JP4107095B2 - Misoperation prevention device and playback device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a portable playback device and an erroneous operation prevention device using a semiconductor memory such as a flash memory or a memory stick as a recording medium.
[0002]
[Prior art]
Conventionally, various recording / playback apparatuses for memo recorders that have no drive part and are equipped with a semiconductor memory such as a flash memory as a recording medium have been proposed, and their shapes are also designed as key holder type, rod type, and animal. Is known. In addition, “ICD-80” proposed by the present applicant, which can be linked with a personal computer, can easily store and manage the contents transferred to the personal computer with a hard disk.
[0003]
The recording / reproducing apparatus described above is used as a memo recorder, but in order to expand to not only audio but also music applications, compression techniques such as MPEG1 / Audio Layer 3 (usually MP3) and “Twin VQ” of international standards Non-Patent Document 1 discloses a network and audio in which the compression ratio is set to about 1/10 to 1/18 using the above.
[0004]
Further, a remote control device is provided in the middle of a connection cord between a portable playback device and headphones.
This remote control device is a push button type playback start button, playback stop button, forward track jump button, reverse track jump button, volume increasing volume to allow basic operations of the playback device. A group of operation buttons such as a button and a volume minus button for decreasing the volume is provided, and it is possible to operate with a remote operation device without having to operate with an operation unit provided in the main body of the playback device. However, since each operation button provided on the remote control device is a push button type, various objects are unexpectedly pressed when hit, and various functions are executed against the intention of the user. Patent Document 2 discloses a remote control device that has a substantially cylindrical shape as a whole and has a shape that prevents an object from being caught on an operation button or the like when being carried.
[0005]
[Non-Patent Document 1]
Masamichi Aihara, music is downloaded, and no more cassette tapes are needed. Monthly Semiconductor World November 1998, p20-23
[Patent Document 2]
JP-A-2002-93142 [0006]
[Problems to be solved by the invention]
Since the recorder and the like used for the network audio shown in Non-Patent Document 1 described above are miniaturized so as to be portable, various operation buttons for reproduction, recording, etc. are described in Non-Patent Document 1. Similarly, a function operation against the user's will is performed by hitting various objects when carrying it, and normally a hold button is provided to prevent the battery from being consumed, and this hold button is locked when not in use. The operation button group has an erroneous operation prevention mechanism configured to be in a non-operating state. Many of such hold buttons are also added to the remote control device disclosed in Patent Document 2.
[0007]
However, since such a hold button is disposed in the miniaturized playback device main body or the remote control device, the user cannot easily confirm that the hold button is in the locked state, and the operation button group For example, even when the playback button or the like is operated, the playback device in the locked state does not operate, and thus there are problems that are mistaken for failure or that cause various confusions associated with battery exhaustion.
[0008]
The present invention has been made to solve the above-mentioned problems. The present invention is (1) The holding member is enlarged so that the locked or unlocked state can be recognized at a glance. But make sure you know the hold by touch.
(2) The holding member protects the operation unit and the display unit so as to surround at least a semicircular circumference, and prevents various operations from hitting the cylindrical operation unit when being carried, thereby preventing erroneous operation.
(3) The casing and the cover containing the memory flash, etc. constituting the main body of the playback device are integrated by the hold member so that the cover can be seen seamlessly, producing an effect like a seamless case, and the casing and the cover are integrated. The configuration is as follows.
(4) Let the holder member function as a stand or escutcheon.
Accordingly, it is also an object to obtain a small-sized and easy-to-use erroneous operation preventing apparatus and reproducing apparatus.
[0009]
[Means for Solving the Problems]
The erroneous operation preventing apparatus and the reproducing apparatus according to the present invention are configured such that the holder is slidably provided so as to cover at least a semicircumference of the operating means so that the operating means is not erroneously operated by the holder disposed between the casing and the cover. It is.
[0010]
That is, the erroneous operation preventing apparatus of the present invention is formed in a casing having an opening on one side, a semi-cylindrical shape so as to cover the opening of the casing, and provided at least with a display, and disposed at one end of the cover. Operation means for performing various operations and a semi-cylindrical holder slidably disposed between the casing and the cover, the holder is slid toward the operation means side to protect the operation means, and erroneous operation It was made to prevent this.
[0011]
The reproducing apparatus of the present invention includes at least a microcomputer and a semiconductor memory, a casing having an opening formed in one of the casings, a cover formed at a semi-cylindrical shape so as to cover the opening of the casing, and provided with at least a display unit; And an operating means for performing various operations disposed at one end of the cover and a semi-cylindrical holder slidably disposed between the casing and the cover, and the holder is slid to the opposite side of the operating means. The operation means is unlocked.
[0012]
Thus, according to the holder of the present invention, even if it is put in a bag or the like, the buttons in the operating means do not operate by mistake, and the holder is enlarged so that the hold or unhold state can be determined by touch, etc. It is possible to obtain a small-sized erroneous operation prevention device and a reproduction device that are easy to use.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, as one embodiment of the present invention, a reproducing apparatus (including a recording / reproducing apparatus) and an erroneous operation preventing apparatus in which a flash memory is incorporated as network audio and an external stick memory can be inserted will be described with reference to FIGS. I will write.
[0014]
FIG. 1 is a perspective view showing the appearance of the reproducing apparatus of the present invention, FIG. 2 is a rear view of FIG. 1, FIG. 3 is a plan view of FIG. 1, and FIG.
[0015]
1 to 4, the playback apparatus 1 of this example is similar to network audio (solid or silicon audio), and the playback apparatus 1 stores music data stored on a hard disk of a personal computer (hereinafter referred to as PC). It is transferred to semiconductor memory (DRAM) such as 256MB flash memory built in the CD-ROM or semiconductor memory (DRAM) such as memory stick that can be inserted into the playback device 1, so that music data of 11 hours or more (of course, sound quality equivalent to CD) ) Can be recorded / reproduced, and the compression method uses ATRAC3Plus with high sound quality and high compression.
[0016]
In FIG. 1, 2 is a casing, and a thin plate such as titanium is deeply drawn to form an opening 3 on the upper surface as shown in FIG. Its shape is a substantially rectangular parallelepiped box shape whose bottom surface is semicircular and widens toward the opening 3 side.
[0017]
As shown in FIG. 2, the lower surface of the casing 2 has an opening 5 into which an external memory stick or the like can be inserted. The opening 5 is a mounting member (not shown) that is mounted in the casing 2 so that the shutter 4 can be opened and closed. The shutter 4 is configured to cover the opening 5.
[0018]
In FIG. 1, 6a is a protector for fitting a plug on a cradle connected to a PC via a USB (Universal Serial Bus) cradle (not shown), and 6b shown in FIG. An eject button 8 for ejecting the stick memory, a menu button 8 for displaying various menus on the display unit 7 such as an LCD, and an access lamp 14 lit during data communication with the PC.
[0019]
The upper surfaces of the left and right side plates of the opening 3 of the casing 2 are formed with cut portions 9L and 9R cut downward in a semicircular shape as shown in FIG. 15 is a preset button hole formed on the left side surface, 16 is a through hole for the eject button 6b and a through hole for holding an operation unit to be described later. An upper side of the opening 3 of the front plate of the casing 2 is described later. A shallow kerf 10 serving as a stopper for regulating a sliding range when the holder 11 to be slid left and right is formed.
[0020]
Further, as shown in FIG. 4, a holder frame 13 for holding a main board 12 on which a flash memory, a work microcomputer or the like is mounted is provided in the casing 2 as described above, and the holder frame 13 is inserted into the casing 2. Although not shown, it is inserted together with a rechargeable battery such as a rechargeable nickel metal hydride battery, and can be continuously regenerated for 11 hours.
[0021]
As shown in FIG. 4 and FIGS. 5 to 8 to be described later, an L-shaped metal fitting with a ball 17 embedded in the center is fixed to the upper surface side of the holder frame 13 to constitute a click motion member 18. A switch 19 is disposed on the upper surface side of the main board 12.
[0022]
As shown in FIGS. 1 to 4, the holder 11 is formed of a substantially rectangular frame body and upper and lower frames 21 </ b> U and 21 </ b> D arranged in parallel with each other in the long side direction. The left and right ends of the upper and lower frames 21U and 21D are formed in a substantially rectangular shape by the substantially semicircular left and right horizontal frames 20L and 20R which are convex downward so as to be joined to each other as shown in FIGS. Nickel plating or the like is applied after a heavy and relatively soft material such as a zinc alloy is integrally formed by casting.
[0023]
The width W (see FIG. 4) of the right horizontal frame 20R of the holder 11 is configured to be substantially cylindrical as shown in FIG. The width is selected so as to cover the width W ₁ (see FIG. 1) portion of the operation knob 22 constituting the operation means 23.
[0024]
The operation means 23 comprises an operation knob 22 and a play / stop button 24. The operation knob 22 can be pulled out in the direction indicated by the arrow engraved on the operation knob 22 in FIG. When the operation knob 22 is pulled out in this way, the music to be listened to is grouped into a group such as a CD album or an artist and checked out / check-in (transfer music data of the PC to the semiconductor memory or music data in the semiconductor memory to the PC To the left or right in the pulled out state, the first song in the group being played is cued or the first song in the next group is cued. Next, when the operation knob 22 is pushed in, the operation knob 22 is turned to the left or right so that various operations such as cueing the next song, cueing the song being played, fast-forwarding, rewinding, etc. can be performed. .
[0025]
The operation means 23 is mounted on the right side of the cover 25 having the display unit 7 disposed on the surface.
[0026]
1 to 3, reference numeral 26 denotes a volume knob for adjusting the volume, and 28 denotes a plug to which a headphone wire 27 is connected, which are also attached to the left side of the cover 25.
[0027]
Next, the cover 25 and the holder 11 will be described with reference to FIGS. 1 to 3 and FIG. FIG. 9 is an assembly perspective view showing a state in which the cover 25 is assembled on the casing 2 via the holder 11.
[0028]
The upper frame 21U and the lower frame 21D of the holder 11 not described in FIG. 4 have projecting pieces formed integrally with the upper and lower frame bodies 21U and 21D. These protrusions will be described below with reference to FIG.
[0029]
In FIG. 9, projecting pieces 29 and 30 are formed inwardly at substantially central portions of the upper frame 21U and the lower frame 21D of the holder 11. A groove 31 is formed in the longitudinal direction on the back side of the projecting piece 29, and the groove 31 is fitted into the upper side of the cut groove 10 formed on the upper surface of the casing 2 and slides while sliding in the cut groove 10. Therefore, the length L in the longitudinal direction of the projecting piece 29 is selected to be shorter than the length L ₁ of the cut groove 10 of the casing 2, and the length L ₁ -L defines the stroke over which the holder 11 slides. The left and right ends of the groove serve as a stopper in the kerf 10.
[0030]
On the other hand, the protrusion 30 formed inward so as to face the protrusion 29 at a substantially central position in the longitudinal direction of the lower frame 21D has an upper side (opening 3) on which the groove 10 on the back surface side of the casing 2 is not formed. 4 is formed so that the ball 32 of the click motion member 18 described with reference to FIG. 4 is held and unheld on the right end side of the projecting piece 30. A notch 33 to be clicked at a position is formed, and a pressing piece 34 for operating the switch 19 described in FIG. 4 is formed on the left end side.
[0031]
A cut groove 35 is formed in the cover 25 so that the above-described protruding piece 30 is inserted and a predetermined stroke can be moved, and the cover 25 is disposed on the long side of the opening 3 of the casing 2 so as to be opposed to each other. The operating means 23 and the plug 28 integrated with the cover 25 are connected through the through holes 16 formed in the left and right walls on the side of the opening 3 shown in FIG. 4 through projecting pieces (not shown) provided on these members. Since the cover 25 and the casing 2 are screwed, the holder 11 can slide for a predetermined stroke in FIG.
[0032]
The cover 25 is formed of a titanium thin plate similar to the casing 2 in a semi-cylindrical cylinder as shown in FIG. 9, and a window hole 36 for disposing the display unit 7 such as an LCD is formed on the upper surface side at the left and right ends. Are provided with semicircular cutouts 37L and 37R similar to those formed in the casing 2 in order to arrange the columnar operating means 23 and the plug 28. Although not shown in FIG. 9, this cover includes an LSI substrate for operating each function such as the display unit 7, the operation means 23, and the volume knob 26, and these input / output terminals are connected via a flexible cord 38. The main circuit in the casing is connected to the main circuit.
[0033]
Next, an erroneous operation preventing configuration in the above-described reproducing apparatus 1 will be described with reference to FIGS.
5 and 6 are viewed from the upper surface side of the holder showing the hold state of the holder 11 in the state where the holder frame 13 including the main board 12 described in FIG. 4 is inserted into the casing 2 and the unhold state such as the reproduction state. FIG. 7 and FIG. 8 are perspective views seen from the upper surface side of the holder 11 for explaining the operation state of the operation means 23 in the holder unhold state.
[0034]
In the state shown in FIGS. 5 and 6, the cover 25 is not shown. However, as described above, the holder 11 can be made to look like the case 2 integrated seamlessly between the casing 2 and the cover 25. Thus, the holder 11 is slidable left and right between the cover 25 and the casing 2.
[0035]
FIG. 5 shows a hold state, in which the holder 11 is slid in the direction of arrow A. A notch 33 on the left side of the projecting piece 30 is brought to the position of the ball 17 of the click motion member 18, and the projecting piece 29 and The right end of 30 comes into contact with the right ends of the kerfs 10 and 35 of the casing 2 and the cover 25 to be in a stop state, and the pressing piece 34 of the projecting piece 30 presses the switch 19 disposed on the main board 12, The electric operation function of the operating means 23 is set to a hold state in which the electric operation function is locked or frozen, but “hold” is displayed on the display unit 7 so that the user can understand that the holder 11 is being held. Has been.
[0036]
In this hold state, the operation knob 22 and the play / stop button 24 of the operation means 23 are formed in a cylindrical shape, so that not only is it difficult to be caught on an object, but the lower half is a semicircular right horizontal frame 20R of the holder 11. Since it is covered, the number of times it hits other objects when it is put in a bag or pocket is reduced, and since it is electrically held, no operation against the user's will is performed.
[0037]
Next, as shown in FIG. 6, when the holder 11 is slid as shown by arrow B, the left notch 33 gets over the position of the ball 17 of the click motion member 18, and the ball 17 hits the notch 33 on the right side of the protruding piece 30. When the click piece 34 is clicked and the switch 19 is turned off, the hold state is released, and the operation means 23 and the volume knob 26 can be put into an operation state.
[0038]
7 and 8 show an operation knob 22 of the operating means 23 which is fixed to a cover 25 (not shown) in the unhold state similar to that in FIG. 6 and is rotatable and slidable. The state of the group mode in which the operation knob 22 is pulled in the direction of arrow A is shown. In this state, various selections in the group mode can be performed by rotating the operation knob 22 in the clockwise or counterclockwise direction. Further, as shown in FIG. 8, even when the operation knob 22 is not pulled in the direction of arrow A, the holder 11 is moved in the direction of arrow B as in FIG. It can be done easily.
[0039]
Since the above-described holder 11 of the present invention uses a titanium thin plate for the casing 2 and the cover 25, and has high hardness and high wear resistance, the holder 11 made of a material softer than the cover 25 and the casing 2 is directly used without using a bearing or the like. It can be slid.
[0040]
In addition, when placed on a desk or table, the holder 11 can also function as a stand base. Further, when the cover 25 is viewed as a panel surface, it also has a function as an escutcheon (decorative frame) of the display unit 7. Although the above-described configuration has been described as a playback device, it is clear that the holder of the present invention can be applied to a recording / playback device or a portable personal information terminal device such as a PDA.
[0041]
【The invention's effect】
According to the present invention, the following effects can be obtained.
(1) Since the hold member is enlarged so that the hold or unhold state can be understood at a glance, the hold state can be recognized by touch even in a pocket or a bag.
(2) The holding member protects the operation unit and the display unit so as to surround at least a semicircular circumference, and prevents various operations from hitting the cylindrical operation unit when being carried, thereby preventing erroneous operation. I can do it.
(3) The casing and the cover that incorporate the memory flash, etc. constituting the main body of the playback device are integrated by the hold member so that the cover and the cover can be seen seamlessly. The configuration can be as follows.
(4) By causing the holder member to function as a stand base or an escutcheon, it is possible to obtain a small and easy-to-use erroneous operation preventing device and a reproducing device.
[Brief description of the drawings]
FIG. 1 is a perspective view showing the appearance of a playback apparatus showing an embodiment of the present invention.
FIG. 2 is a rear view of a playback apparatus showing an embodiment of the present invention.
FIG. 3 is a plan view of a playback apparatus showing an embodiment of the present invention.
FIG. 4 is a perspective view showing an assembled state of the main part of the reproducing apparatus according to one embodiment of the present invention.
FIG. 5 is an explanatory diagram (I) of a holder operation of a playback apparatus showing an embodiment of the present invention.
FIG. 6 is an explanatory diagram (II) of the holder operation of the playback apparatus showing an embodiment of the present invention.
FIG. 7 is an operation explanatory diagram (I) of the operation means in the unhold state of the playback apparatus showing one embodiment of the present invention.
FIG. 8 is an operation explanatory diagram (II) of the operating means in the unhold state of the playback apparatus showing one embodiment of the present invention.
FIG. 9 is a perspective view showing an assembled state of the holder according to one embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Playback apparatus, 2 ... Casing, 7 ... Display part, 11 ... Holder, 19 ... Switch, 22 ... Operation knob, 23 ... Operating means, 24 ... Play / stop button, 25 ... Cover, 26 ... Volume control knob, 29, 30 ... Projection

Claims (11)

A casing having an opening on one side;
A cover that is formed in a semi-cylindrical shape so as to cover the opening of the casing, and provided with at least a display;
Operating means for performing various operations disposed at one end of the cover;
Comprising a semi-cylindrical holder slidably disposed between the casing and the cover;
An erroneous operation prevention device characterized in that the holder is slid toward the operation means to protect the erroneous operation means and prevent an erroneous operation. A holder frame for holding a memory or the like inserted into the casing is provided,
Click motion members are arranged on the holder frame,
2. The erroneous operation preventing apparatus according to claim 1, wherein a projecting piece provided on the holder is slid on the click motion member when the holder is slid to apply a click motion to the holder. A switching means is provided on the substrate inserted into the casing,
3. The erroneous operation preventing apparatus according to claim 1, wherein the operation means is held when the holder is slid through a protrusion provided on the holder to hold the operation means. 4. The erroneous operation preventing device according to claim 1, wherein a kerf is provided in the cover or / and the casing, and the holder is slidably contacted in the kerf. . The erroneous operation preventing device according to any one of claims 1 to 4, wherein the cover and the casing are made of titanium, and the holder is made of a semi-cylindrical frame member of a cast member. 6. The malfunction preventing apparatus according to claim 1, wherein the holder is also used as a stand. A casing containing at least a microcomputer and a semiconductor memory, and having an opening formed on one side;
A cover that is formed in a semi-cylindrical shape so as to cover the opening of the casing, and provided with at least a display;
An operation means for performing various operations disposed at one end of the cover; and a semi-cylindrical holder slidably disposed between the casing and the cover;
A reproducing apparatus characterized in that the holder is slid to the opposite side to the operation means to release the hold state of the operation means. 8. The reproducing apparatus according to claim 7, wherein the holder is also used as a stand base. The reproducing apparatus according to claim 7, wherein the holder is an escutcheon. 8. The playback apparatus according to claim 7, wherein a display indicating that the display is being held is performed on the display unit when another operation button is operated in the hold state of the holder. The playback apparatus according to claim 7, wherein the playback apparatus is an information terminal device.

Images