WO1997048119A1 - WIRING OF TWO-SIDED FILM TYPE TOROIDAL DEFLECTION MEMBERS FOR CRTs AND DEFLECTION APPARATUS - Google Patents
WIRING OF TWO-SIDED FILM TYPE TOROIDAL DEFLECTION MEMBERS FOR CRTs AND DEFLECTION APPARATUS Download PDFInfo
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- WO1997048119A1 WO1997048119A1 PCT/KR1996/000269 KR9600269W WO9748119A1 WO 1997048119 A1 WO1997048119 A1 WO 1997048119A1 KR 9600269 W KR9600269 W KR 9600269W WO 9748119 A1 WO9748119 A1 WO 9748119A1
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- 238000005452 bending Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 229910052709 silver Inorganic materials 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/70—Arrangements for deflecting ray or beam
- H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
- H01J29/76—Deflecting by magnetic fields only
- H01J29/768—Deflecting by magnetic fields only using printed windings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/70—Electron beam control outside the vessel
- H01J2229/703—Electron beam control outside the vessel by magnetic fields
- H01J2229/7032—Conductor design and distribution
- H01J2229/7035—Wires and conductors
- H01J2229/7036—Form of conductor
- H01J2229/7037—Form of conductor flat, e.g. foil, or ribbon type
Definitions
- the present invention relates to a cathode ray tube, and more particularly to a wiring method and an apparatus employing the method, which can prevent potential difference or capacitance from being formed between the wires of arranged in a film of a toroidal deflection member and between laminated films thereof.
- Said wires may be arranged in both sides of a two-sided film of a toroidal deflection member.
- a color picture tube 10 generally comprises a panel 12 having a face plate 18, a phosphor screen 20 formed on the back of the face plate 18, a neck 14 containing, an electron gun 11 for producing electron beams 19a, 19b directed towards the phosphor screen 20, a funnel 13 for connecting the neck 14 and the panel 12, and a deflection yoke 17.
- the funnel 13 has an internal conductive layer (not shown) contacting an anode 15.
- a shadow mask 16 with a plurality of slots 16a formed in a desired arrangement is placed directly behind the screen 20 and detachably fixed to the panel 12.
- the deflection yoke 17 includes a horizontal deflection coil structure and a vertical deflection coil structure.
- the horizontal deflection coil structure produces horizontal deflection magnetic field to deflect the electron beams 19a, 19b horizontally when horizontal current is applied thereto, while the vertical deflection coil structure produces vertical deflection magnetic field to deflect them vertically by vertical deflection current.
- the change of the magnetic fields according to the change of currents applied to the deflection yoke make the electron beams 19a and 19b be properly varied to scan over the entire phosphor screen 22, thus providing two dimensional images through the panel 12.
- a toroidal type method and a saddle type method are used in winding the horizontal deflection coil and the vertical deflection coil, and the horizontal deflection coil is usually wound in a saddle type while the vertical deflection coil in a saddle type or a toroidal type.
- a deflection yoke 17 comprises a pair of toroidal-type vertical deflection coils 31, 32 and a pair of saddle-type horizontal deflection coils 33, 34 as shown in Figs. 2 and 3.
- the pair of saddle horizontal deflection coils 33 and 34 are oppositely arranged on the upper and the lower of the inside wall of a bobbin 35, and the pair of vertical deflection coils 31 and 32 wound oppositely around a core structure 36, 37 in a toroidal type so as to form a predetermined deflection circuit.
- the vertical deflection coils may be fixed to the outer surface of the bobbin 31 while the core structure 36, 37 is mounted on the vertical deflection coils, when the vertical deflection coils are wound in a saddle-type.
- the core structure for the toroidal vertical deflection coils 31 and 32 includes an upper and a lower cores 36 and 37 separated from each other, which facilitate the winding of the coils therearound. That is, the vertical deflection coils 31 and 32 are firstly wound around the upper and the lower cores 36 and 37 separately from each other, and then the upper and the lower cores 36 and 37 are assembled together.
- the left coil portions 33b and 34b and the right coil portions 33a and 34a should be so wound as to make currents flow in opposite directions. Since the coils are symmetrically distributed at the upper and lower portions with respect to the X-Z plane, the saddle horizontal deflection coils are divided into upper and lower saddle horizontal deflection coils 33 and 34 and are respectively arranged at upper inner wall and lower inner wall of the bobbin 35 about a pair of projections 35a and 35b of the bobbin 35, in consideration of the fabrication of the coils onto the bobbin. That is, by arranging the upper saddle horizontal deflection coil 33 at the upper inner wall of the bobbin 35 in such a manner as shown in FIG.
- the current can flow in the opposite directions through left and right coil portions 33a and 33b of the upper saddle horizontal deflection coil 33. Likewise, the current can flow in the opposite directions through left and right coil portions 34a and 34b of the lower saddle horizontal deflection coil 34. Accordingly, when the pair of the upper and the lower saddle horizontal deflection coils 33 and 34 are assembled up and down together, the current through the left coil portions 33a and 34a can flow in an opposite direction to that through the right coil portions 33b and 34b.
- a film F- ⁇ comprises a deflection portion TF and connection portions A and B.
- the deflection portion TF has a plurality of wires therein which are arranged in a predetermined pattern.
- the connection portions A 2 to A 6 and B- j ⁇ to B 5 preferably separated from each other respectively extend from each of the wires so as to electrically connect the wires.
- Upper ends of the connection portions A 2 to Ag and lower ends of the connection portions B- ⁇ to B 5 are not coated but exposed, thereby respectively forming connection terminals.
- Each of the connection terminals A 2 to Ag makes an electrical contact with the corresponding one of previous number of the connection terminals B- ⁇ to B 5 , that is, A2 with B j , A 2 with B 2 , ...
- connection terminal Bg protruding downward from a left wire is connected in series through a separate connection member to an exposed end of the first connection terminal A- ⁇ protruding upward from a right wire of the next film layer.
- the first and second connection terminals are connected to a power source so as to allow deflection current applied thereto.
- FIG. 8 shows a circuit diagram of a two-sided film type deflection member of the above patent application, in which all the wires in each film are connected in series and at the same time all the films in series.
- a connection though it facilitates the connection of wires in each film, allows a large potential difference between upper wires and lower wires in each film, thereby large capacitance formed therebetween, because wires in one side of each film is connected with each other in series and then to wires in the other side which are connected in series. Accordingly, the higher frequency the electric current applied thereto has, the larger ringing or cross talk phenomenon happens, so that strips may be displayed on the screen and the characteristic of the screen deteriorated.
- the present invention has been made to overcome the above described problems, and accordingly, it is an object of the present invention to provide a wiring method and an apparatus employing the method, which can prevent potential difference or capacitance from being formed between the wires arranged in a film of a toroidal deflection member or arranged in both sides of a two-sided film of a toroidal deflection member and between laminated films thereof. It is another object of the present invention to provide a wiring method and an apparatus employing the method, which can prevent potential difference or capacitance from being formed between laminated films of a film type toroidal deflection member or between laminated films of a two-sided film type toroidal deflection member.
- the present invention provides a method for wiring in a film type deflection member for a cathode ray tube having a plurality of films laminated with each other, each of the films including a deflection section and a pair of connection sections, the deflection section containing plural pairs of wires arranged in a predetermined pattern so as to form a desired magnetic field pattern when electric current flows through said wires, the connection sections respectively extending outward from the deflection section to connect the wires with each other and to power source, the method comprising the steps of: (1) connecting each said wires in parallel with each other so as to prevent formation of capacitance between said wires, said each wire being disposed respectively at an upper side and a lower side of each of the films; (2) connecting said plural wires in said each of the films in series to each other; and (3) connecting said wires in said each of the films in series with respect to said each of the films.
- the present invention further provides a method for wiring in a film type deflection member for a cathode ray tube having a first to Nth films laminated with each other, each of the films containing a first to Mth wires arranged in a predetermined pattern so as to form a desired magnetic field pattern when electric current flows through said wires, the method comprising the steps of: (1) connecting a front end of a first wire of a first film to power source; (2) connecting a rear end of said first wire of the first films to a front end of a first wire of a second film next to the first film; (3) connecting each first wire of the first to Nth films to each first wire of next film in like manner with step 2 from a rear end of a first wire of the second film to a front end of a first wire of an Nth film; (4) respectively connecting rear ends of the first to (M-l)th wires of the Nth film to front ends of following wires of the first film, said following wires having orders next to those of said first to (M-l
- the present invention still further provides a method for wiring in a film type deflection member for a cathode ray tube having a first to Nth films laminated with each other, each of the films containing a first to Mth wires arranged in a predetermined pattern so as to form a desired magnetic field pattern when electric current flows through said wires, the method comprising the steps of:
- the power source is applied through external jumper terminals and said connecting is performed by using connectors attached to one of the upper end and the lower end of the first to Nth films at one ends thereof and inserting other one of the upper end and the lower end of following film at other ends of the connectors respectively, said following film having orders next to those of said first to Nth films.
- each of the films may be a two-sided film, in which the same number of wires are arranged at the upper and lower sides thereof and each pair of front and lower wires are connected in parallel with each other through one connection hole, one of said each pair of upper and lower wires having connection terminals for each of the upper end and the lower end of each film.
- the present invention still further provides deflection apparatuses for a cathode ray tube, having a pair of film type deflection members having a plurality of films laminated with each other, at least one of the film type deflection members employing a toroidal type for horizontal and vertical deflection, each of the films comprising a deflection section containing plural pairs of wires arranged in a predetermined pattern so as to form a desired magnetic field pattern when electric current flows through said wires, and a pair of connection sections respectively extending outward from the deflection section to connect the wires with each other and to power source, said wires and said films are connected between said wires and between said films in the manner as described in the foregoing methods.
- FIG. 1 is a partial longitudinal section of a color- picture cathode ray tube for schematically illustrating the structure thereof;
- FIG. 2 is a sectional view taken along line 2-2 of FIG. 1 for illustrating a pair of conventional saddle horizontal deflection coils and a pair of conventional toroidal vertical deflection coils;
- FIG. 3 is a sectional view taken along line 3-3 of FIG. 3;
- FIG. 4 is a plan view of a film employed in a film- type deflection member;
- FIG. 5 is a plan view of a flatted two-sided film used for wiring the film-type toroidal deflection member according to one embodiment of the present invention
- FIG. 6 is a plan view of a flatted two-sided film used for wiring the film-type toroidal deflection member according to another embodiment of the present invention
- FIG. 7 is a sectional view taken along line 7-7 of FIG. 6;
- FIG. 8 is a circuit diagram of the conventional two- sided film type deflection member;
- FIGs. 9A and 9B are plan and sectional views of a two-sided film shown in FIGs. 5 and 6, for showing the construction of one pair of wires in the film;
- FIG. 10 is a circuit diagram of a toroidal deflection member wired by a wiring method according to another embodiment of the present invention.
- FIG. 11 is a plan view, in which the laminated films are flatted and extended separately from each other, for illustrating the wiring method of FIG. 10;
- FIGs. 12A and 12B are circuit diagrams of a toroidal deflection member wired by a wiring method according to another embodiment of the present invention.
- FIG. 13 is a sectional view for showing the wiring between the connection sections of films by the wiring method according to the embodiment shown in FIG. 12A;
- FIG. 14 is a plan view, in which the laminated films are flatted and extended separately from each other, for illustrating the wiring method of FIG. 12A.
- FIGs. 5 and 6 show two kinds of flatted two-sided films F 1 (Fn) used for manufacturing the deflection member and having a wire arrangement according to the present invention. Though only two types of films are illustrated, the present invention is not limited to those types of films.
- FIGs. 9A and 9B show a toroidal deflection member F which is fabricated by using the two-sided film F ⁇ (Fn) and is mounted around a core 36.
- the two-sided film F- ⁇ (Fn) having at least one wire E arranged in a predetermined pattern comprises a deflection section TF, a pair of bending sections BF and BF', and a pair of connection sections CF and CF'.
- the deflection section TF is shown in its flatted state in FIG. 5 and is installed at an inner predetermined position of the core 36 (see FIG. 2) with forming a three- dimensional curvature shape so as to make a predetermined magnetic field pattern.
- the bending sections BF and BF' respectively extend from both ends of the deflection section TF in its longitudinal direction, and are bent outward from both ends of the core 36 when mounted thereon.
- connection sections CF and CF' extend in the longitudinal direction from both ends of the bending sections BF and BF' and include connection terminals CE ⁇ , . . . , CEq ⁇ and CE' Q , ...CE' 40 , plug-type support members RP, RP ⁇ , and RP 2/ and connectors C, C ⁇ , and C 2 , so as to electrically interconnect the films or wires.
- Each wire E ] _, ...,E 4Q is patterned in the deflection section TF in such a manner that it can produce a predetermined magnetic field when it makes a three-dimensional curvature shape.
- the bending sections BF and BF' of the film F 1 (Fn) have a plurality of slits S formed in the longitudinal direction. Each of the slits S is formed at both ends thereof with a hole for preventing the bending sections from rupturing.
- the connection terminals CE T _...CE 4 J and CE' Q , ...CE' 40 to be connected to the connector C are formed at front ends of wires E, the upper end in FIG. 5.
- the connection terminals CE 1 -..CE 41 and CE' 0 , ...CE' 4Q have a width larger than that of wires of the connection sections, and they are more widely spaced from each other as compared with the wires so as to facilitate the connection of the connectors.
- connection terminals CE-. and CE 4 - ⁇ of the connection terminals CE ⁇ ...CE 4 - ⁇ are formed with jumper wires JE- ⁇ and JE 2 extending outward.
- the jumper wires JE- ⁇ and JE 2 are accommodated in the connection terminals in the same manner as the wires. End portions of the jumper wires JE- ⁇ and JE 2 are externally exposed to form external jumper terminals 0E- j _ and 0E 2 .
- the connection terminals CE 41 does have wires connected thereto only in the connection section CF, but not in the bending sections, deflection section, and connection section CF'. Namely, forty wires are provided in the deflection section.
- FIG. 6 shows another embodiment of the present invention.
- This embodiment is different from the embodiment shown in FIG. 5, in that each slit CS formed at the center of slits S extends towards the connection sections CF and CF' thereby dividing the connection sections CF and CF', and the divided connection sections CF and CF' are spaced at a predetermined distance from each other.
- connection terminals CE-i .. ICETI , CEno. • • CE/ ⁇ , CE n • • • CE on / and CE 9 1 • • .CE 4 Q are formed on each end of the divided connection sections CF and CF', respectively.
- connection terminals CE- ⁇ and CE 4i' which are disposed outermost of the connection terminals CE 1 ...CE 41 , are formed with jumper wires JE- ⁇ and JE 2 extending outward.
- the jumper wires JE1 and JE 2 are accommodated in the connection terminals in the same manner as the wires. End portions of the jumper wires JE ⁇ and JE 2 are externally exposed to form external jumper terminals OE- ⁇ and 0E 2 .
- connection terminals CE 41 does have wires connected thereto only in the connection section CF, but not in the bending sections, deflection section, and connection section CF'. Namely, forty wires are provided in the deflection section.
- a wire E 21 positioned to the left of the center slit CS, or a center jumper wire E j is arranged across the center line of the film or the wire structure and located in the right side of the center slit CS at least at the deflection section TF.
- the wires can be symmetrically arranged, for example, each twenty wires may be arranged at both sides of the center line in the same patterns.
- FIG. 7 shows a transverse cross section of the two- sided film F 1 (Fn) shown in FIGs. 5 and 6, in which the same number of wires UE ⁇ to UE 40 and LE- ⁇ to LE 40 are arranged at the upper and lower sides thereof.
- Each pair of upper and lower wires UE ⁇ and LE- ⁇ to UE 40 and LE 40 are connected in parallel with each other through one connection hole CH, as shown in FIGs. 9A and 9B.
- Said each pair of upper and lower wires UE- and LE- ⁇ to UE 40 and LE 40 are connected to each of the connection terminals CE ⁇ _...CE 41 , and CE' Q ...CE' 4Q by means of each connection hole CH disposed at the connection sections, as shown in FIGs. 5 and 6, though they may be connected in parallel with each other through connection terminals or connectors formed on both sides of the film without a connection hole CH.
- FIGs. 9A and 9B illustrate the construction of the connection hole H in detail.
- the same number of wires UE ⁇ to UE 40 and LE- to LE 4o are arranged at upper and lower sides.
- every two of the upper and lower wires are electrically connected to each other at the connection sections CF and CF' by means of at least one connection hole CH, so that the upper and lower wires in the deflection section TF are connected in parallel with each other.
- each of the wires UE ⁇ to UE 4Q and LE ⁇ to LE 40 is branched out into two parallel strands at least in the deflection section. Accordingly, even when one connection terminal is formed at each connection section CF and CF' with respect to two wires, four strands of ampere turns can be obtained at the deflection section TF.
- the electric conductive material PL for electrically connecting the upper wires to the lower wires is provided in the connection hole CH.
- the electric conductive material PL can be made by a silver or a gold.
- the upper wires UE- ⁇ to UE 40 respectively have the same potential as that of the lower wires LE- ⁇ to LE 40 , as apparent by the circuit shown in FIG. 10, thereby eliminating the capacitance therebetween.
- FIG. 11 shows a plan view, in which the laminated films F ⁇ _ to Fn are flatted and extended separately from each other, for illustrating one wiring method capable of forming the above circuit in each film.
- the wires E in each film are connected in series to each other by connecting each of the upper connection terminals CE 1 ...CE 4 - ⁇ to each previous one of the lower connection terminals CE' Q ...CE' 4Q , and then the films F- to Fn are connected in series to each other by means of the external jumper terminals OE ⁇ and 0E 2 .
- FIG. 10 depicts a circuit diagram of a toroidal deflection member wired by the above method.
- the wiring in the above described manner provides a two-sided film type toroidal deflection member without capacitance between upper and lower wires thereof, thereby capable of preventing the characteristic of the screen from being deteriorated.
- FIGs. 12A and 12B are circuit diagrams of a two-sided film type deflection member according to other embodiments of the present invention.
- first wires UE- ⁇ and LE- ⁇ of the uppermost film F- ⁇ is connected to power source, while the other end thereof to first wires UE- ⁇ and LE- ⁇ of a film F 2 next to the uppermost film F ⁇
- every first wires of films F 2 ...F n are connected in series in like manner, and the other end of first wires UE- j ⁇ and LE- ⁇ of the lowermost film F n is connected to one end of second wires UE 2 and LE 2 of the uppermost film F- ⁇ .
- every wires after second wires of the second film are connected in the same manner as above, before the other end of the last wires UE 40 and LE 4 g of the lowermost film is connected again to the power source.
- first wires UE- and LE- j ⁇ of all films F- ⁇ to F n are connected to power source altogether, while each of the other-side ends thereof is to second wires UE 2 and LE 2 of each film.
- all the wires from the second wires of all films are connected in the same manner as above, before the other-side ends of the last wires UE 40 and LE 40 are connected again to power source altogether. Therefore, the wires are connected in series in each film while in parallel between the films.
- FIG. 14 is a plan view, in which the laminated films F- j ⁇ to Fn are flatted and extended separately from each other, and shows, together with FIG. 14, the wiring method of forming the circuit shown in FIG. 12A.
- the lower connection terminals CF n ;CE' n ...CE' 40 of the lowermost film F n are respectively connected to the following one of the upper connection terminals CF 1 ;CE 2 ...CE 4 - ⁇ of the uppermost film F- ⁇ by means of connectors C, C- ⁇ , and C 2 .
- the the lower connection terminals CF n ;CE' 0 ...CE' 4Q of the uppermost film F- are respectively connected to the upper connection terminals CF ⁇ ;CE 2 ...CE 41 of the second film F 2 by means of connectors C, C j _, and C 2 .
- the connection terminals in the second, the third, and the following films are connected, so as to complete the circuit in FIG. 12A.
- the electric power is applied through the external jumper terminals OE ⁇ and OE 2 to the first wire E ⁇ of the uppermost film F- ⁇ and the last wire E 40 of the lowermost film F n .
- each of the upper connection terminals CE 1 ...CE 41 is connected in series through connectors C, C- j _, and C 2 to each previous one of the lower connection terminals CE' Q ...CE' 40 in each film as shown in FIG. 5 or FIG. 6.
- the electric power is applied to the external jumper terminals OE- and 0E 2 of the films F- j _...F n .
- the wiring in the above described manner eliminates the potential difference or capacitance between upper and lower wires of a two-sided film type toroidal deflection member, thereby preventing the characteristic of the screen from being deteriorated.
- the wiring method and the apparatus employing the method of the present invention provide an advantage of greatly improving the characteristic of the screen.
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Abstract
Disclosed are wiring methods and apparatuses employing the methods, which can prevent potential difference or capacitance from being formed between the wires arranged in a film of a toroidal deflection member or arranged in both sides of a two-sided film of a toroidal deflection member and between laminated films thereof. One of the methods comprises the steps of: (1) connecting each said wires in parallel with each other so as to prevent formation of capacitance between said wires, said each wire being disposed respectively at an upper side and a lower side of each of the films; (2) connecting said plural wires in said each of the films in series to each other; and (3) connecting said wires in said each of the films in series with respect to said each of the films.
Description
TITLE OF THE INVENTION
WIRING OF TWO-SIDED FILM TYPE TOROIDAL DEFLECTION MEMBERS FOR CRTs AND DEFLECTION APPARATUS
DEFLECTION APPARATUS EMPLOYING THE METHOD
BACKGROUND OF THE INVENTION
The present invention relates to a cathode ray tube, and more particularly to a wiring method and an apparatus employing the method, which can prevent potential difference or capacitance from being formed between the wires of arranged in a film of a toroidal deflection member and between laminated films thereof. Said wires may be arranged in both sides of a two-sided film of a toroidal deflection member.
Referring to Fig. 1, a color picture tube 10 generally comprises a panel 12 having a face plate 18, a phosphor screen 20 formed on the back of the face plate 18, a neck 14 containing, an electron gun 11 for producing electron beams 19a, 19b directed towards the phosphor screen 20, a funnel 13 for connecting the neck 14 and the panel 12, and a deflection yoke 17.
The funnel 13 has an internal conductive layer (not shown) contacting an anode 15. A shadow mask 16 with a plurality of slots 16a formed in a desired arrangement is placed directly behind the screen 20 and detachably fixed to the panel 12.
The deflection yoke 17 includes a horizontal deflection coil structure and a vertical deflection coil
structure. The horizontal deflection coil structure produces horizontal deflection magnetic field to deflect the electron beams 19a, 19b horizontally when horizontal current is applied thereto, while the vertical deflection coil structure produces vertical deflection magnetic field to deflect them vertically by vertical deflection current. The change of the magnetic fields according to the change of currents applied to the deflection yoke make the electron beams 19a and 19b be properly varied to scan over the entire phosphor screen 22, thus providing two dimensional images through the panel 12.
Conventionally, a toroidal type method and a saddle type method are used in winding the horizontal deflection coil and the vertical deflection coil, and the horizontal deflection coil is usually wound in a saddle type while the vertical deflection coil in a saddle type or a toroidal type.
Referring to FIGs. 2 and 3, a deflection yoke 17 comprises a pair of toroidal-type vertical deflection coils 31, 32 and a pair of saddle-type horizontal deflection coils 33, 34 as shown in Figs. 2 and 3. The pair of saddle horizontal deflection coils 33 and 34 are oppositely arranged on the upper and the lower of the inside wall of a bobbin 35, and the pair of vertical deflection coils 31 and 32 wound oppositely around a core structure 36, 37 in a toroidal type so as to form a predetermined deflection circuit. Although not shown, the vertical deflection coils may be fixed to the outer
surface of the bobbin 31 while the core structure 36, 37 is mounted on the vertical deflection coils, when the vertical deflection coils are wound in a saddle-type.
The core structure for the toroidal vertical deflection coils 31 and 32 includes an upper and a lower cores 36 and 37 separated from each other, which facilitate the winding of the coils therearound. That is, the vertical deflection coils 31 and 32 are firstly wound around the upper and the lower cores 36 and 37 separately from each other, and then the upper and the lower cores 36 and 37 are assembled together.
In the saddle horizontal deflection coils 33 and 34, the left coil portions 33b and 34b and the right coil portions 33a and 34a should be so wound as to make currents flow in opposite directions. Since the coils are symmetrically distributed at the upper and lower portions with respect to the X-Z plane, the saddle horizontal deflection coils are divided into upper and lower saddle horizontal deflection coils 33 and 34 and are respectively arranged at upper inner wall and lower inner wall of the bobbin 35 about a pair of projections 35a and 35b of the bobbin 35, in consideration of the fabrication of the coils onto the bobbin. That is, by arranging the upper saddle horizontal deflection coil 33 at the upper inner wall of the bobbin 35 in such a manner as shown in FIG. 4, the current can flow in the opposite directions through left and right coil portions 33a and 33b of the upper saddle horizontal deflection coil 33. Likewise, the
current can flow in the opposite directions through left and right coil portions 34a and 34b of the lower saddle horizontal deflection coil 34. Accordingly, when the pair of the upper and the lower saddle horizontal deflection coils 33 and 34 are assembled up and down together, the current through the left coil portions 33a and 34a can flow in an opposite direction to that through the right coil portions 33b and 34b.
In order to make an improved film-type deflection yoke which can easily make a various magnetic-field patterns, which can be easily designed and precisely manufactured according to the design, which can remove a bad influence of the end turns, and which can be uniformly manufactured regardless of manufacturing conditions, various attempts and efforts have been tried. However, such attempts and efforts have revealed many problems in achieving the above aims, and especially in manufacturing a deflection member of a cathode ray tube by using the film, so the film-type deflection member has not yet commercially produced. In order to solve the above problems, the applicant of the present invention has suggested a Korean patent application No. 96-10972, entitled "a film-type toroidal deflection member of a cathode ray tube and an apparatus using the same" as shown in FIG. 4.
Referring to FIG. 4, a film F-^ comprises a deflection portion TF and connection portions A and B. The deflection portion TF has a plurality of wires therein which are
arranged in a predetermined pattern. The connection portions A2 to A6 and B-j^ to B5 preferably separated from each other respectively extend from each of the wires so as to electrically connect the wires. Upper ends of the connection portions A2 to Ag and lower ends of the connection portions B-^ to B5 are not coated but exposed, thereby respectively forming connection terminals. Each of the connection terminals A2 to Ag makes an electrical contact with the corresponding one of previous number of the connection terminals B-^ to B5, that is, A2 with Bj, A2 with B2, ... , Ag with B5, when the film is wound around a core so that the connection portions are respectively rounded about the axes X and Y. The contacts in this way enables a serial connection of all the wires in the film. In addition, the second connection terminal Bg protruding downward from a left wire is connected in series through a separate connection member to an exposed end of the first connection terminal A-^ protruding upward from a right wire of the next film layer. In the meantime, in the uppermost and lowest film layers, the first and second connection terminals are connected to a power source so as to allow deflection current applied thereto.
FIG. 8 shows a circuit diagram of a two-sided film type deflection member of the above patent application, in which all the wires in each film are connected in series and at the same time all the films in series. However, such a connection, though it facilitates the connection of wires in each film, allows a large potential difference
between upper wires and lower wires in each film, thereby large capacitance formed therebetween, because wires in one side of each film is connected with each other in series and then to wires in the other side which are connected in series. Accordingly, the higher frequency the electric current applied thereto has, the larger ringing or cross talk phenomenon happens, so that strips may be displayed on the screen and the characteristic of the screen deteriorated.
SUMMARY OF THE INVENTION
The present invention has been made to overcome the above described problems, and accordingly, it is an object of the present invention to provide a wiring method and an apparatus employing the method, which can prevent potential difference or capacitance from being formed between the wires arranged in a film of a toroidal deflection member or arranged in both sides of a two-sided film of a toroidal deflection member and between laminated films thereof. It is another object of the present invention to provide a wiring method and an apparatus employing the method, which can prevent potential difference or capacitance from being formed between laminated films of a film type toroidal deflection member or between laminated films of a two-sided film type toroidal deflection member.
In order to attain the above object, the present
invention provides a method for wiring in a film type deflection member for a cathode ray tube having a plurality of films laminated with each other, each of the films including a deflection section and a pair of connection sections, the deflection section containing plural pairs of wires arranged in a predetermined pattern so as to form a desired magnetic field pattern when electric current flows through said wires, the connection sections respectively extending outward from the deflection section to connect the wires with each other and to power source, the method comprising the steps of: (1) connecting each said wires in parallel with each other so as to prevent formation of capacitance between said wires, said each wire being disposed respectively at an upper side and a lower side of each of the films; (2) connecting said plural wires in said each of the films in series to each other; and (3) connecting said wires in said each of the films in series with respect to said each of the films. The present invention further provides a method for wiring in a film type deflection member for a cathode ray tube having a first to Nth films laminated with each other, each of the films containing a first to Mth wires arranged in a predetermined pattern so as to form a desired magnetic field pattern when electric current flows through said wires, the method comprising the steps of: (1) connecting a front end of a first wire of a first film to power source; (2) connecting a rear end of said first
wire of the first films to a front end of a first wire of a second film next to the first film; (3) connecting each first wire of the first to Nth films to each first wire of next film in like manner with step 2 from a rear end of a first wire of the second film to a front end of a first wire of an Nth film; (4) respectively connecting rear ends of the first to (M-l)th wires of the Nth film to front ends of following wires of the first film, said following wires having orders next to those of said first to (M-l)th wires; and (5) connecting a rear end of an Mth wire of the Nth film to power source.
The present invention still further provides a method for wiring in a film type deflection member for a cathode ray tube having a first to Nth films laminated with each other, each of the films containing a first to Mth wires arranged in a predetermined pattern so as to form a desired magnetic field pattern when electric current flows through said wires, the method comprising the steps of:
(1) connecting a front end of said second to Mth wires to a rear end of a first to (M-l)th wires in each film; and
(2) connecting a front end of a first wire in each film and a rear end of an Mth wire in each film to power source.
In the methods, the power source is applied through external jumper terminals and said connecting is performed by using connectors attached to one of the upper end and the lower end of the first to Nth films at one ends thereof and inserting other one of the upper end and the
lower end of following film at other ends of the connectors respectively, said following film having orders next to those of said first to Nth films.
Also, in the methods mentioned above, each of the films may be a two-sided film, in which the same number of wires are arranged at the upper and lower sides thereof and each pair of front and lower wires are connected in parallel with each other through one connection hole, one of said each pair of upper and lower wires having connection terminals for each of the upper end and the lower end of each film.
The present invention still further provides deflection apparatuses for a cathode ray tube, having a pair of film type deflection members having a plurality of films laminated with each other, at least one of the film type deflection members employing a toroidal type for horizontal and vertical deflection, each of the films comprising a deflection section containing plural pairs of wires arranged in a predetermined pattern so as to form a desired magnetic field pattern when electric current flows through said wires, and a pair of connection sections respectively extending outward from the deflection section to connect the wires with each other and to power source, said wires and said films are connected between said wires and between said films in the manner as described in the foregoing methods.
BRIEF DESCRIPTION OF THE ATTACHED DRAWINGS
FIG. 1 is a partial longitudinal section of a color- picture cathode ray tube for schematically illustrating the structure thereof;
FIG. 2 is a sectional view taken along line 2-2 of FIG. 1 for illustrating a pair of conventional saddle horizontal deflection coils and a pair of conventional toroidal vertical deflection coils;
FIG. 3 is a sectional view taken along line 3-3 of FIG. 3; FIG. 4 is a plan view of a film employed in a film- type deflection member;
FIG. 5 is a plan view of a flatted two-sided film used for wiring the film-type toroidal deflection member according to one embodiment of the present invention; FIG. 6 is a plan view of a flatted two-sided film used for wiring the film-type toroidal deflection member according to another embodiment of the present invention;
FIG. 7 is a sectional view taken along line 7-7 of FIG. 6; FIG. 8 is a circuit diagram of the conventional two- sided film type deflection member;
FIGs. 9A and 9B are plan and sectional views of a two-sided film shown in FIGs. 5 and 6, for showing the construction of one pair of wires in the film; FIG. 10 is a circuit diagram of a toroidal deflection member wired by a wiring method according to another embodiment of the present invention;
FIG. 11 is a plan view, in which the laminated films
are flatted and extended separately from each other, for illustrating the wiring method of FIG. 10;
FIGs. 12A and 12B are circuit diagrams of a toroidal deflection member wired by a wiring method according to another embodiment of the present invention;
FIG. 13 is a sectional view for showing the wiring between the connection sections of films by the wiring method according to the embodiment shown in FIG. 12A; and
FIG. 14 is a plan view, in which the laminated films are flatted and extended separately from each other, for illustrating the wiring method of FIG. 12A.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS
Hereinafter, the preferred embodiments of the present invention will be described with reference to the attached drawings.
FIGs. 5 and 6 show two kinds of flatted two-sided films F1(Fn) used for manufacturing the deflection member and having a wire arrangement according to the present invention. Though only two types of films are illustrated, the present invention is not limited to those types of films. FIGs. 9A and 9B show a toroidal deflection member F which is fabricated by using the two-sided film F^(Fn) and is mounted around a core 36.
Referring to FIG. 5, the two-sided film F-^(Fn) having at least one wire E arranged in a predetermined pattern comprises a deflection section TF, a pair of bending sections BF and BF', and a pair of connection sections CF
and CF'. The deflection section TF is shown in its flatted state in FIG. 5 and is installed at an inner predetermined position of the core 36 (see FIG. 2) with forming a three- dimensional curvature shape so as to make a predetermined magnetic field pattern. The bending sections BF and BF' respectively extend from both ends of the deflection section TF in its longitudinal direction, and are bent outward from both ends of the core 36 when mounted thereon. The connection sections CF and CF' extend in the longitudinal direction from both ends of the bending sections BF and BF' and include connection terminals CE^ , . . . , CEq^ and CE'Q, ...CE'40, plug-type support members RP, RP^, and RP2/ and connectors C, Cη, and C2 , so as to electrically interconnect the films or wires. Each wire E]_, ...,E4Q is patterned in the deflection section TF in such a manner that it can produce a predetermined magnetic field when it makes a three-dimensional curvature shape.
The bending sections BF and BF' of the film F1(Fn) have a plurality of slits S formed in the longitudinal direction. Each of the slits S is formed at both ends thereof with a hole for preventing the bending sections from rupturing. The connection terminals CET_...CE4J and CE'Q, ...CE'40 to be connected to the connector C are formed at front ends of wires E, the upper end in FIG. 5. Preferably, the connection terminals CE1-..CE41 and CE'0, ...CE'4Q have a width larger than that of wires of the connection sections, and they are more widely spaced from each other as compared with the wires so as to
facilitate the connection of the connectors.
The outermost connection terminals CE-. and CE4-^ of the connection terminals CE^...CE4-ι are formed with jumper wires JE-^ and JE2 extending outward. The jumper wires JE-^ and JE2 are accommodated in the connection terminals in the same manner as the wires. End portions of the jumper wires JE-^ and JE2 are externally exposed to form external jumper terminals 0E-j_ and 0E2. In addition, the connection terminals CE41 does have wires connected thereto only in the connection section CF, but not in the bending sections, deflection section, and connection section CF'. Namely, forty wires are provided in the deflection section.
FIG. 6 shows another embodiment of the present invention. This embodiment is different from the embodiment shown in FIG. 5, in that each slit CS formed at the center of slits S extends towards the connection sections CF and CF' thereby dividing the connection sections CF and CF', and the divided connection sections CF and CF' are spaced at a predetermined distance from each other. In this embodiment, connection terminals CE-i .. ICETI , CEno. • •CE/ι , CE n • • • CE on/ and CE 91 • • .CE 4Q are formed on each end of the divided connection sections CF and CF', respectively. The connection terminals CE-^ and CE4i' which are disposed outermost of the connection terminals CE1...CE41, are formed with jumper wires JE-^ and JE2 extending outward. The jumper wires JE1 and JE2 are accommodated in the connection terminals in the same
manner as the wires. End portions of the jumper wires JE^ and JE2 are externally exposed to form external jumper terminals OE-^ and 0E2.
In addition, the wire connected to the connection terminals CE41 does have wires connected thereto only in the connection section CF, but not in the bending sections, deflection section, and connection section CF'. Namely, forty wires are provided in the deflection section. In FIG. 6, since each center slit CS extends towards the connection sections CF and CF' , a wire E21 positioned to the left of the center slit CS, or a center jumper wire Ej, is arranged across the center line of the film or the wire structure and located in the right side of the center slit CS at least at the deflection section TF. Accordingly, at the deflection section of one side of the film, the wires can be symmetrically arranged, for example, each twenty wires may be arranged at both sides of the center line in the same patterns. FIG. 7 shows a transverse cross section of the two- sided film F1(Fn) shown in FIGs. 5 and 6, in which the same number of wires UE^ to UE40 and LE-^ to LE40 are arranged at the upper and lower sides thereof.
Each pair of upper and lower wires UE^ and LE-^ to UE40 and LE40 are connected in parallel with each other through one connection hole CH, as shown in FIGs. 9A and 9B. Said each pair of upper and lower wires UE- and LE-^ to UE40 and LE40 are connected to each of the connection
terminals CEη_...CE41, and CE'Q...CE'4Q by means of each connection hole CH disposed at the connection sections, as shown in FIGs. 5 and 6, though they may be connected in parallel with each other through connection terminals or connectors formed on both sides of the film without a connection hole CH.
FIGs. 9A and 9B illustrate the construction of the connection hole H in detail. Referring to FIGs. 5, 6, and 9A and 9B, the same number of wires UE^ to UE40 and LE- to LE4o are arranged at upper and lower sides. Among those wires, every two of the upper and lower wires are electrically connected to each other at the connection sections CF and CF' by means of at least one connection hole CH, so that the upper and lower wires in the deflection section TF are connected in parallel with each other. In addition, each of the wires UE^ to UE4Q and LE^ to LE40 is branched out into two parallel strands at least in the deflection section. Accordingly, even when one connection terminal is formed at each connection section CF and CF' with respect to two wires, four strands of ampere turns can be obtained at the deflection section TF.
An electric conductive material PL for electrically connecting the upper wires to the lower wires is provided in the connection hole CH. The electric conductive material PL can be made by a silver or a gold.
Accordingly, the upper wires UE-^ to UE40 respectively have the same potential as that of the lower wires LE-^ to LE40, as apparent by the circuit shown in FIG. 10, thereby
eliminating the capacitance therebetween.
FIG. 11 shows a plan view, in which the laminated films Fη_ to Fn are flatted and extended separately from each other, for illustrating one wiring method capable of forming the above circuit in each film. As shown, the wires E in each film are connected in series to each other by connecting each of the upper connection terminals CE1...CE4-^ to each previous one of the lower connection terminals CE'Q...CE'4Q, and then the films F- to Fn are connected in series to each other by means of the external jumper terminals OE^ and 0E2. FIG. 10 depicts a circuit diagram of a toroidal deflection member wired by the above method.
The wiring in the above described manner provides a two-sided film type toroidal deflection member without capacitance between upper and lower wires thereof, thereby capable of preventing the characteristic of the screen from being deteriorated.
According to the present embodiment of wiring method as mentioned above, there still remains a large capacitance every between the films because the films are connected in series, though the capacitance between the upper and lower wires in the same film is eliminated.
FIGs. 12A and 12B are circuit diagrams of a two-sided film type deflection member according to other embodiments of the present invention.
Referring to FIG. 12A, one end of first wires UE-^ and LE-^ of the uppermost film F-^ is connected to power source,
while the other end thereof to first wires UE-^ and LE-^ of a film F2 next to the uppermost film F^ Then, every first wires of films F2...Fn are connected in series in like manner, and the other end of first wires UE-j^ and LE-^ of the lowermost film Fn is connected to one end of second wires UE2 and LE2 of the uppermost film F-^. Then again, every wires after second wires of the second film are connected in the same manner as above, before the other end of the last wires UE40 and LE4g of the lowermost film is connected again to the power source.
This way of wiring minimizes the potential difference every between the films F-^ to Fn, thereby nearly eliminating the capacitance therebetween.
Meanwhile, referring to FIG. 12B, one-side ends of first wires UE- and LE-j^ of all films F-^ to Fn are connected to power source altogether, while each of the other-side ends thereof is to second wires UE2 and LE2 of each film. Thereafter, all the wires from the second wires of all films are connected in the same manner as above, before the other-side ends of the last wires UE40 and LE40 are connected again to power source altogether. Therefore, the wires are connected in series in each film while in parallel between the films.
This way of wiring, parallel between the films F1 to Fn, eliminates the potential difference every between the films F-L to Fn, thereby preventing formation of the capacitance therebetween.
FIG. 14 is a plan view, in which the laminated films
F-j^ to Fn are flatted and extended separately from each other, and shows, together with FIG. 14, the wiring method of forming the circuit shown in FIG. 12A.
Referring to FIGs. 13 and 14, the lower connection terminals CFn;CE'n...CE'40 of the lowermost film Fn are respectively connected to the following one of the upper connection terminals CF1;CE2...CE4-^ of the uppermost film F-^ by means of connectors C, C-^, and C2. The the lower connection terminals CFn;CE'0...CE'4Q of the uppermost film F- are respectively connected to the upper connection terminals CF^;CE2...CE41 of the second film F2 by means of connectors C, Cj_, and C2. Likewise, the connection terminals in the second, the third, and the following films are connected, so as to complete the circuit in FIG. 12A. The electric power is applied through the external jumper terminals OE^ and OE2 to the first wire E^ of the uppermost film F-^ and the last wire E40 of the lowermost film Fn.
To construct the circuit as shown in FIG. 12B, each of the upper connection terminals CE1...CE41 is connected in series through connectors C, C-j_, and C2 to each previous one of the lower connection terminals CE'Q...CE'40 in each film as shown in FIG. 5 or FIG. 6. The electric power is applied to the external jumper terminals OE- and 0E2 of the films F-j_...Fn.
The wiring in the above described manner eliminates the potential difference or capacitance between upper and lower wires of a two-sided film type toroidal deflection
member, thereby preventing the characteristic of the screen from being deteriorated.
As described above, in a two-sided film type toroidal deflection member wired according to the present invention, there remains no potential difference or capacitance between the wires arranged in both sides of a film. Moreover, there is least or no potential difference or capacitance also between laminated films. Accordingly, the wiring method and the apparatus employing the method of the present invention provide an advantage of greatly improving the characteristic of the screen.
While the present invention has been particularly shown and described with reference to a preferred embodiment thereof, it will be understood by those skilled in the art that various changes in form and detail may be effected therein without departing from the spirit and scope of the invention as defined by the appended claims, for example the present invention can be adopted to the saddle type.
Claims
1. A method for wiring in a film type deflection member for a cathode ray tube having a plurality of films laminated with each other, each of the films including a deflection section and a pair of connection sections, the deflection section containing plural pairs of wires arranged in a predetermined pattern so as to form a desired magnetic field pattern when electric current flows through said wires, the connection sections respectively extending outward from the deflection section to connect the wires with each other and to power source, the method comprising the steps of:
(1) connecting each said wires in parallel with each other so as to prevent formation of capacitance between said wires, said each wire being disposed respectively at an upper side and a lower side of each of the films;
(2) connecting said plural wires in said each of the films in series to each other; and
(3) connecting said wires in said each of the films in series with respect to said each of the films.
2. The method as claimed in claim 1, wherein, in step 3, said wires in said each of the films are connected in series with respect to said each of the films through external jumper terminals every between adjoining two of the films.
3. The method as claimed in claim 1, wherein said wires have respectively a pair of wires which are connected in parallel with each other through a pair of connection holes in step 1, and an upper end of said each pair of said wires is connected to a lower end of another pair of said wires just prior to said each pair of said wires in step 2.
4. A deflection apparatus for a cathode ray tube, having a pair of two-sided film type deflection members having a plurality of films laminated with each other, at least one of the pair two-sided film type deflection members employing a toroidal type for horizontal and vertical deflection, each of the films comprising: a deflection section containing plural pairs of wires arranged in a predetermined pattern so as to form a desired magnetic field pattern when electric current flows through said wires; and a pair of connection sections respectively extending outward from the deflection section to connect the wires with each other and to power source, wherein each pair of said wires are connected in parallel with each other so as to prevent formation of capacitance between said each pair of said wires, said each pair of said wires being disposed respectively at an upper side and a lower side of each of the films, said plural pairs of said wires in said each of the films are connected in series to each other, and then said wires in said each of the films are connected in series with respect to said each of the films.
5. The apparatus as claimed in claim 4, wherein said wires in said each of the films are connected in series with respect to said each of the films through external jumper terminals every between adjoining two of the films.
6. The method as claimed in claim 4, wherein said wires in said each of the films are connected in series with respect to said each of the films through external jumper terminals every between adjoining two of the films, said each pair of said wires are connected in parallel with each other through a pair of connection holes, and an upper end of said each pair of said wires is connected to a lower end of another pair of said wires just prior to said each pair of said wires.
7. A method for wiring in a film type deflection member for a cathode ray tube having a first to Nth films laminated with each other, each of the films containing a first to Mth wires arranged in a predetermined pattern so as to form a desired magnetic field pattern when electric current flows through said wires, the method comprising the steps of:
(1) connecting a front end of a first wire of a first film to power source; (2) connecting a rear end of said first wire of the first films to a front end of a first wire of a second film next to the first film;
(3) connecting each first wire of the first to Nth films to each first wire of next film in like manner with step 2 from a rear end of a first wire of the second film to a front end of a first wire of an Nth film;
(4) respectively connecting rear ends of the first to (M-l)th wires of the Nth film to front ends of following wires of the first film, said following wires having orders next to those of said first to (M-l)th wires; and
(5) connecting a rear end of an Mth wire of the Nth film to power source.
8. The method as claimed in claim 7, wherein, in step 1 and 5, the power source is applied through external jumper terminals formed in the first wire of the first film and the Mth wire of the Nth film, and wherein, in said steps 2 to 4, said connecting is performed by using connectors attached to one of the upper end and the lower end of the first to Nth films and inserting other one of the lower end and the upper one of following film, said following film having orders next to those of said first to Nth films.
9. The method as claimed in claim 8 or 9, wherein said each of the films is a two-sided film, in which the same number of wires are arranged at the upper and lower sides thereof and each pair of upper and lower wires are connected in parallel with each other through one connection hole, one of said each pair of upper and lower wires having connection terminals for each of the upper end and the lower end of each film.
10. A method for wiring in a film type deflection member for a cathode ray tube having a first to Nth films laminated with each other, each of the films containing a first to Mth wires arranged in a predetermined pattern so as to form a desired magnetic field pattern when electric current flows through said wires, the method comprising the steps of:
(1) connecting a front end of said second to Mth wires to a rear end of a first to (M-l)th wires in each film; and
(2) connecting a front end of a first wire in each film and a rear end of an Mth wire in each film to power source.
11. The method as claimed in claim 10, wherein, in step 2, the power source is applied through external jumper terminals formed in the first wire of the one of the films and the Mth wire of one of the films, and wherein, in step 1, said connecting is performed by using connectors attached to one of the upper end and the lower end of the first to Nth films at one ends thereof and inserting other one of the upper end and the lower end of following film at other ends of the connectors respectively, said following film having orders next to those of said first to Nth films.
12. The method as claimed in claim 10 or 11, wherein said each of the films is a two-sided film, in which the same number of wires are arranged at the upper and lower sides thereof and each pair of front and lower wires are connected in parallel with each other through one connection hole, one of said each pair of upper and lower wires having connection terminals for each of the upper end and the lower end of each film.
13. A deflection apparatus for a cathode ray tube, having a pair of film type deflection members having a plurality of films laminated with each other, at least one of the film type deflection members employing a toroidal type for horizontal and vertical deflection, each of the films comprising: a deflection section containing plural pairs of wires arranged in a predetermined pattern so as to form a desired magnetic field pattern when electric current flows through said wires; and a pair of connection sections respectively extending outward from the deflection section to connect the wires with each other and to power source, wherein a front end of a first wire of a first film is connected to power source, a rear end of said first wire of the first films is connected to a front end of a first wire of a second film next to the first film, each first wire of the first to Nth films is connected to each first wire of next film in like manner with step 2 from a rear end of a first wire of the second film to a front end of a first wire of an Nth film, rear ends of the first to (M-l)th wires of the Nth film are respectively connected to front ends of following wires of the first film, said following wires having orders next to those of said first to (M-l)th wires, and a rear end of an Mth wire of the Nth film is connected to power source.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1996/21078 | 1996-06-12 | ||
KR1019960021078A KR980005228A (en) | 1996-06-12 | 1996-06-12 | Connection method of double-sided film type toroidal type deflection member of cathode ray tube and deflection device |
KR1019960021079A KR980005229A (en) | 1996-06-12 | 1996-06-12 | Wiring method of film-type toroidal deflection member of cathode ray tube and its deflection device |
KR1996/21079 | 1996-06-12 |
Publications (1)
Publication Number | Publication Date |
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WO1997048119A1 true WO1997048119A1 (en) | 1997-12-18 |
Family
ID=26631906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR1996/000269 WO1997048119A1 (en) | 1996-06-12 | 1996-12-30 | WIRING OF TWO-SIDED FILM TYPE TOROIDAL DEFLECTION MEMBERS FOR CRTs AND DEFLECTION APPARATUS |
Country Status (1)
Country | Link |
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WO (1) | WO1997048119A1 (en) |
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US3234631A (en) * | 1960-06-15 | 1966-02-15 | Hazeltine Research Inc | Methods of manufacturing magnetic deflection coils and yokes |
US3754322A (en) * | 1970-05-14 | 1973-08-28 | Marconi Co Ltd | Methods of making printed circuit coil |
US4543553A (en) * | 1983-05-18 | 1985-09-24 | Murata Manufacturing Co., Ltd. | Chip-type inductor |
US4815990A (en) * | 1987-04-10 | 1989-03-28 | Rogers Corporation | Flexible circuit having termination features and method of making the same |
-
1996
- 1996-12-30 WO PCT/KR1996/000269 patent/WO1997048119A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US3234631A (en) * | 1960-06-15 | 1966-02-15 | Hazeltine Research Inc | Methods of manufacturing magnetic deflection coils and yokes |
US3754322A (en) * | 1970-05-14 | 1973-08-28 | Marconi Co Ltd | Methods of making printed circuit coil |
US4543553A (en) * | 1983-05-18 | 1985-09-24 | Murata Manufacturing Co., Ltd. | Chip-type inductor |
US4815990A (en) * | 1987-04-10 | 1989-03-28 | Rogers Corporation | Flexible circuit having termination features and method of making the same |
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