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WO1993017513A1 - Ensemble de fixation pour boitier de telephone et substrat - Google Patents

Ensemble de fixation pour boitier de telephone et substrat Download PDF

Info

Publication number
WO1993017513A1
WO1993017513A1 PCT/US1993/000634 US9300634W WO9317513A1 WO 1993017513 A1 WO1993017513 A1 WO 1993017513A1 US 9300634 W US9300634 W US 9300634W WO 9317513 A1 WO9317513 A1 WO 9317513A1
Authority
WO
WIPO (PCT)
Prior art keywords
hook member
fastener
clip
slotted
slotted portion
Prior art date
Application number
PCT/US1993/000634
Other languages
English (en)
Inventor
Mark W. Schwartz
Scott R. Semenik
Jeffrey F. Kurgan
Original Assignee
Motorola Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc. filed Critical Motorola Inc.
Priority to SK1154-93A priority Critical patent/SK115493A3/sk
Priority to FI934642A priority patent/FI934642L/fi
Priority to JP5514847A priority patent/JP2724518B2/ja
Priority to KR1019930703101A priority patent/KR970007668B1/ko
Publication of WO1993017513A1 publication Critical patent/WO1993017513A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly
    • H04M1/0252—Details of the mechanical connection between the housing parts or relating to the method of assembly by means of a snap-on mechanism

Definitions

  • the present invention relates generally to fasteners, and, more particularly, to a fastener which fastens two or more tandemly- positioned surfaces theretogether, such as, without way of limitation, opposing surfaces of a housing assembly for an electronic device.
  • Advancements in the field of radio electronics have permitted the introduction and commercialization of an ever-increasing array of radio communication apparatus.
  • Advancements in electronic circuitry design have also permitted increased miniaturization of the electronic circuitry comprising such radio communication apparatus.
  • an ever-increasing array of radio communication apparatus comprised of ever-smaller electronic circuitry has permitted such radio communication apparatus to be utilized more conveniently in an increased number of applications.
  • a radio transceiver such as a radiotelephone utilized in a cellular, communication system, is one example of radio communication apparatus which has been miniaturized to be utilized conveniently in an increased number of applications. Additional efforts to miniaturize further the electronic circuitry of similar such radio transceivers, as well as other radio communication apparatus, are being made. Such further miniaturization of the radio transceivers will further increase the convenience of utilization of such apparatus, and will permit such apparatus to be utilized in further increased numbers of applications. Pursuant to such efforts to miniaturize further the electronic circuitry of such radio transceivers (as well as other radio communication apparatus), size minimization of the electronic circuitry is a critical design goal during design of such circuitry. Concomitant with the increased miniaturization of electronic circuitry is a corresponding reduction in the physical dimensions of the housings in which such electronic circuitry is housed as well as other mechanical structure associated therewith.
  • housings of many such electronic devices are comprised of a thermoplastic material.
  • the walls of such housings must be greater than minimal thicknesses to ensure the structural integrity of such walls, and the housings formed therefrom.
  • Other housings and associated mechanical structures comprised of other materials suffer from similar, size-reduction limitations.
  • Many conventional, housing constructions are comprised of a front housing portion and a rear housing portion.
  • the electronic circuitry comprising the electronic device is disposed upon a circuit board (or several circuit boards) and the circuit board is mounted or otherwise affixed to the rear housing portion of the conventional, housing construction.
  • the front housing portion is then placed over the circuit board and a fastening mechanism fastens the front and rear housing portions theretogether, thereby to enclose in supportive containment the circuit board within the housing construction.
  • the fastening mechanism by which the front and rear housing portions of the housing construction are fastened theretogether may be comprised of any of many various designs. Most simply, threaded shaft members may be utilized to affix the housing portions theretogether.
  • the fastening mechanism may be formed integral with the abutting edge surfaces of the sidewalls of the respective housing portions.
  • Such structure is housed within the housing of the radiotelephone, and is operative to receive a card, substantially similar in dimensions to a conventional, credit card.
  • the card contains information which, once received by the card reader assembly, may be utilized by the radiotelephone for any of various purposes. For instance, the information contained on such card could include an identification number to be utilized for billing purposes to bill a phone call made through the radiotelephone to a particular billing address. Because the card having the identification number can be removed from one radiotelephone, and placed in another, calls made from more than one radiotelephone may be billed to a single billing address.
  • Such a card reader assembly incorporated to form a portion of a radiotelephone must be mounted within the housing assembly of the radiotelephone in a precise orientation.
  • the housing assembly must be adapted to permit the card reader assembly to receive the card to obtain the desired information therefrom. That is to say, the card reader assembly must be accessible from the exterior of the housing assembly.
  • the card reader assembly To position precisely the card reader assembly within the housing assembly, the card reader assembly must be fastened to the housing assembly to affix the card reader assembly in position thereby, and in the desired orientation so that the card reader may be accessed from the exterior of the housing assembly.
  • the housing assembly comprised of a front portion and a rear portion, as noted above, must be fastened theretogether by the fastening mechanisms at locations along the abutting surfaces which for the interface between the two housing portions to ensure structural integrity of the housing assembly.
  • Such fastening mechanisms which fasten the front and rear housing portions theretogether must therefore be positioned at spaced intervals along the interface between the two housing portions.
  • the present invention accordingly, advantageously provides a fastener of minimal dimensions for fastening two tandemly- positioned surfaces theretogether.
  • the present invention further advantageously provides a fastener for fastening a substrate between two tandemly-positioned surfaces.
  • the present invention yet further advantageously provides a fastener which fastens two tandemly-positioned surfaces, and a substrate positioned therebetween, theretogether.
  • the present invention provides further advantages and features, the details of which will become more evident by reading the detailed description of the preferred embodiment hereinbelow.
  • a fastener for fastening a first surface and a tandemly-positioned second surface theretogether.
  • the fastener comprises a first hook member positioned beneath the first surface in a fixed relation therewith and a second hook member positioned above the second surface in a fixed relation therewith.
  • a dip capable of clasping engagement with both the first hook member and the second hook member is positioned about both the first hook member and the second hook member to fasten thereby the first surface and the tandemly-positioned second surface theretogether.
  • FIG. 1 is a cut away, isometric view of a hook member forming a portion of the fastener of the preferred embodiment of the present invention
  • FIG. 2 is a cut away, isometric view similar to that of FIG. 1, but illustrating another hook member forming another portion of the fastener of the preferred embodiment of the present invention
  • FIG. 3 is a cut away, isometric view of a clip affixed to a substrate which forms another portion of the fastener of the preferred embodiment of the present invention
  • FIG. 4 is a cut away, isometric view of the clip of FIG. 3, here positioned between front and rear housing portions of a housing assembly wherein the hook members of FIGs. 1 and 2 are formed on sidewalls of the front and rear housing portions, respectively;
  • FIG. 4-1 is a cut away, isometric view, similar with that of FIG. 4, but of an alternate, preferred embodiment of the present invention;
  • FIG. 5 is a cut away, isometric view, similar to that of FIG. 4, but illustrating the dip after attachment to the hook member formed on the sidewall of the front housing portion;
  • FIG. 6 is a cut away, isometric view, similar to those of FIGs. 4-5, but illustrating the relationship between the hook members and the clip after attachment to both the hook member formed on the sidewall of the front housing portion and the hook member formed on the sidewall of the rear housing portion of the housing assembly to fasten thereby the front and rear housing portions thereat, and to fasten the substrate in position within the housing assembly formed thereby;
  • FIG. 7 is cross-sectional view of FIG.6;
  • FIG. 8 is an exploded view of a radiotelephone of the preferred embodiment of the present invention which includes the fastener shown in the preceding figures;
  • FIG. 9 is an isometric view of a portion of the card reader assembly, shown in the exploded view of FIG. 8, which forms the substrate to which the clip of FIG. 3 is affixed in the preferred embodiment of the present invention.
  • FIG. 10 is an isometric view of the radiotelephone shown in exploded form in FIG. 8.
  • FIG. 1 a hook member, referred to generally by reference numeral 100, which forms a portion of the fastener of the preferred embodiment of the present invention, is shown.
  • Hook member 100 is formed at a predetermined distance beneath surface 106, here a top, face surface of a top housing portion of a housing assembly. As illustrated, hook member 100 is formed upon an inner wall of a flange forming sidewall 112 of the front housing assembly portion.
  • Hook member 100 in the preferred embodiment, is comprised of a resilient material and is formed of hook member portions 100-1, 100-2, and 100-3. Adjacent ones of the hook member portions 100-1- 3 are spaced apart by gaps 100-4 and 100-5 to be bifurcated thereby. Hook member 100 is thereby of a comb-like appearance. Hook member 100 alternately may be formed of a single, elongated hook member portion; such bifurcated construction is desirable, however, when hook member 100, surface 106, and sidewall 112 are formed of a thermoplastic material formed during a molding process. Such bifurcated construction prevents scaling of thermoplastic material of dissimilar depths, and is advantageously utilized when smoothness in appearance of the rear surface (not shown in the Figure) of sidewall 112 is of importance.
  • Each hook member portion 100-1-3 includes an upwardly- extending, ramped, face surface, here designated by reference numerals 118-1, 118-2, and 118-3, respectively. Face surfaces 118-1-3 are coplanar in nature, and each face surface 118-1-3 extends to a back- angled, force-receiving surface, here designated by reference numerals 124-1, 124-2, and 124-3. Force receiving surfaces 124-1-3 also form a coplanar surface.
  • FIG. 2 a second hook member, referred to generally by reference numeral 200, which forms another portion of the fastener of the preferred embodiment of the present invention, is shown.
  • Hook member 200 is formed at a predetermined distance above surface 206, here a bottom, face surface of a rear housing portion of a housing assembly. As illustrated, hook member 200 is formed to extend beyond an inner wall of a flange forming sidewall 212 of the rear housing assembly portion. Hook member 200, surface 206 and sidewall 212 of the rear housing assembly portion are preferably integrally formed of a thermoplastic material during a molding process. In contrast to hook member 100 of FIG. 1, hook member 200 is not bifurcated in construction; however, hook member 200 may alternately be constructed to be in such bifurcated form. Analogous to portions 118- 1-3 of hook member 100 of FIG. 1, hook member 200 comprises ramped- face surface 218 which, here, however, is downwardly-extending.
  • FIG. 3 is a cut away, isometric view of a clip, here designated generally by reference numeral 300, which forms another portion of the fastener of the preferred embodiment of the present invention.
  • clip 300 is a multi-slotted plate member, here having a top-slotted portion 306 and bottom-slotted portion 312.
  • Slotted opening 318 extends between front and rear face surfaces (rear face surface 324 is illustrated in the Figure) of top slotted portion 306.
  • Slotted opening 330 extends between front and rear face surfaces (rear face surface 336 is illustrated in the Figure) of bottom slotted portion 312.
  • Inner edge surface 326 of top slotted portion 306 defines one of the perimetal sides of slotted opening 318.
  • inner edge surface 338 of bottom slotted portion 312 defines one of the perimetal sides of slotted opening 330.
  • Clip 300 is affixed to substrate 344 to extend in a direction substantially perpendicular to a planar direction defined by a surface of the substrate.
  • substrate 344 comprises a portion of a card reader assembly and is comprised of a metallic material.
  • Clip 300 in the preferred embodiment is formed integral with substrate 344, and is also comprised of a metallic material.
  • Clip 300 is permitted elastic deformation to allow flexing movement of portions of the clip. While in the preferred embodiment, top slotted portion 306 and bottom slotted portion 312 extend in parallel, but dissimilar planar directions, top and bottom slotted portions 306 and 312, respectively, may alternately be formed to extend in coplanar directions.
  • FIG. 4 is a cut away, isometric view of clip 300 affixed to substrate 344 of FIG. 3 in which substrate 344 and the clip affixed thereto are together positioned between top, face surface 106 of the front housing assembly portion shown in FIG. 1 and bottom, face surface 206 of the rear housing assembly portion shown in FIG. 2.
  • Hook member 100 is again shown to be formed to extend beyond an inner wall of the flange forming sidewall 112.
  • hook member 200 is again shown to be formed to extend beyond an inner wall of a flange forming sidewall 212 of the rear housing assembly portion.
  • hook members 100 and 200 are aligned with one another in a vertical arrangement.
  • Linear translation of substrate 344 positions clip 300 affixed thereto to be also in an aligned relation with both hook member 100 and hook member 200.
  • slotted opening 318 substantially correspond to the perimetal dimensions of hook member 100
  • slotted opening 330 substantially correspond to the perimetal dimensions of hook member 200.
  • FIG.4-1 illustrates an alternate embodiment of the present invention in which hook members 100 and 200 are offset from one another.
  • Clip 300 is comprised of top and bottom slotted portions which are correspondingly offset from one another to permit alignment with respective ones of the hook members.
  • FIG. 4-1 is identical with similarly-numbered structure described with respect to FIG. 4, and will not again be described in detail.
  • the fastener of the preferred embodiment is operative to fasten the front and rear housing assembly portions theretogether.
  • substrate 344 is operative to position clip 300 in an aligned arrangement between hook members 100 and 200.
  • clip 300 could, of course, be alternately positioned in such an aligned relationship by other appropriate means.
  • the fastener of the preferred embodiment is operative not only to fasten the front and rear housing assembly portions of the housing assembly theretogether, but, additionally, to fasten a substrate, here a plate member of a card reader assembly, in position within the housing assembly formed thereby.
  • a substrate here a plate member of a card reader assembly
  • clip 300 is first fastened to hook member 100, and, then, clip 300 is fastened to hook member 200 to fasten thereby surfaces 106 and 206 of the front and rear housing assembly portions, respectively, theretogether.
  • clip 300 is translated vertically in the direction indicated by arrow 348 such that a front, face surface of top slotted portion 306 of clip 300 abuts against, and engages with, ramped-face surface portions 118-1-3 of hook member portions 100-1-3.
  • abutting engagement between the face surfaces 124-1-3 of hook member 100 and the front, face surface of top slotted portion 306 of clip 300 causes bending forces to be exerted against clip 300. Exertion of such bending forces causes elastic deformation of the top slotted portion 306, resulting in flexing movement of the top slotted portion.
  • the housing when the housing is comprised of a thermoplastic material, the housing also bends responsive to translation of clip 300 thereupon.
  • clip 300 results in alignment of slotted opening 318 with ramped-face surface portion 118-1-3. Once aligned, the face surfaces 118-1-3 of hook member 100 no longer abut against a face surface of top slotted portion 306; rather, hook member 10 is positioned to extend through slotted opening 318. As bending forces are no longer exerted against top slotted portion 306, top slotted portion 306 returns to an elastically undeformed state, and clip 300 snaps into position about hook member 100 such that inner edge surface 326 seats against back-angled, force-receiving surface portions 124-1-3 of the hook member.
  • the cut away, isometric view of FIG. 5 illustrates positioning of dip 300 after the just-described translation of the clip to position to-slotted portion 306 of the clip about hook member 100 to seat the inner edge surface 326 of top slotted portion 306 upon force-receiving surface portions 124-1-3 of the hook member.
  • substrate 344 is affixed in a desired relation relative to top, face surface 106 of the front housing assembly portion of the housing assembly.
  • clip 300 Once clip 300 has been suitably affixed to hook member 100 to seat against force-receiving surfaces 124-1-3 thereof, clip 300 together with surface 106 may be lowered into position to engage claspingly with hook member 200. (Alternately, surface 206 of the rear housing assembly portion may be translated to engage claspingly with clip 300.)
  • bottom slotted portion 312 of clip 300 results in alignment of slotted opening 330 with ramped-face surface portion 218.
  • face surface portion 218 of hook member 200 no longer abuts against a face surface of bottom-slotted portion 312; rather, hook member 200 is positioned to extend through slotted opening 330.
  • bottom-slotted portion 312 returns to an elastically undeformed state, and clip 300 snaps into position about hook member 200 such that inner edge surface 338 seats against back-angled, force- receiving surface 224.
  • FIG. 6 The cut away, isometric view of FIG. 6 illustrates the relationship between clip 300 and hook members 100 and 200 once clip 300 is positioned about both hook members.
  • Block 350 shown in hatch, surrounding hook member 100, hook member 200, and clip 300 represen the fastener formed of the hook members 100 and 200 and clip 300.
  • fastener 350 is utilized to fasten two tandemly-positioned surfaces, here surfaces 106 and 206 of front and rear housing assembly portion of a housing assembly, theretogether.
  • the fastener is additionally operative to position a substrate, here substrate 344, which forms a portion of a card reader assembly fastened in position between top and bottom face surfaces 106 and 206.
  • FIG. 7 is a cross-sectional view taken along lines 7-7 of FIG. 6. The relationship between hook members 100 and 200 and dip 300 whidi together form fastener 350 is again illustrated.
  • hook member 100 is shown to be formed to extend within an inner wall of sidewall 112 formed of a flange extending beneath top surface 106 of a front housing assembly portion.
  • hook member 200 is shown to be formed to extend within an inner wall of sidewall 212 formed of a flange portion extending above bottom surface 206 of a rear housing assembly portion. Sidewalls 112 and 212 abut against each other in interfitting engagement therebetween.
  • Clip 300 is formed of a multi-slotted plate member extending beneath substrate 344 at an edge portion thereof in a plane substantially perpendicular to the planar surface defined by substrate 344. A slotted opening formed to extend through a top slotted portion of clip 300 permits hook member 100 to extend therethrough.
  • a slotted opening formed to extend through a bottom slotted portion of clip 300 permits hook member 200 to extend therethrough.
  • top and bottom face surfaces 106 and 206 are fastened theretogether by way of dasping engagement of dip 300 to hook members 100 and 200.
  • No channels are required to be formed along sidewalls 112 or 212 thereby permitting minimization of the depth dimensions of such sidewalls.
  • Radiotelephone 460 indudes a supportive housing assembly for supporting various components of the radiotelephone therewithin.
  • Top housing assembly portion 506 of the housing assembly indudes flange portions extending about perimetal portions thereof which form sidewalls including sidewall 512.
  • Sidewall 512 corresponds with sidewall 112 of the preceding figures, and includes a hook member (not shown in the Figure) formed on an inner wall thereof.
  • Rear housing assembly portion 606 also forms a portion of the housing assembly and indudes flange portions formed about perimetal portions thereof which form sidewalls, including sidewall 612.
  • Sidewall 612 corresponds with sidewall 212 of the preceding figures, and includes a hook member (not shown in the Figure) formed to extend beyond an inner wall thereof.
  • key pad 618 is key pad 618, and directly therebeneath is key pad rircuit board 620. Component portions of a card reader assembly for receiving card 624 are positioned beneath key pad drcuit board 618.
  • the card reader assembly is shown to be comprised of slider plate 630 and cover plate 636.
  • clip member 700 Formed integral with, and extending in a plane substantially perpendicular to, the planar surface defined by cover plate 636 is clip member 700.
  • Clip 700 corresponds to clip 300 shown in the preceding figures and is operative to claspingly engage with hook members formed to extend beyond the inner walls of sidewalls 512 and 612.
  • Circuit board 706 is positioned beneath cover plate 636 of the card reader assembly.
  • Antenna 712 is further shown to extend beyond drcuit board 706.
  • radiotelephone 460 When properly aligned, the component portions of radiotelephone 460 are positioned upon one another, and housed within front and rear housing assembly portions 506 and 606 which are, in turn, tandemly-positioned and fastened theretogether by the fastener of the present invention by way of dasping engagement with clip 700.
  • FIG. 9 is an isolational view of cover plate 636 which comprises a portion of the card reader assembly which is housed within radiotelephone 460 of FIG. 8.
  • Cover plate 636 is shown to indude two clips 700 disposed to extend beyond opposite edge portions of the cover plate.
  • Clips 718 are further illustrated in the Figure to extend beyond opposing edge surfaces of the cover plate 636.
  • Clips 718 are comprised of a single slotted portion, analogous to top slotted portion 306 of the preceding figures, and is operative to a fixed cover plate 636 to a single hook member disposed upon a single one of the housing assembly portions, here front housing assembly portion 506.
  • FIG. 10 is an isometric view of radiotelephone 460 of FIG. 8.
  • Radiotelephone 460 includes front and rear housing assembly portions 506 and 606, key pad 618, and antenna 712.
  • a housing assembly extension 730, pivotally coupled to the front housing assembly portion 506 commonly referred to as a "flip" portion of the radiotelephone is further illustrated in the Figure, as is aperture 736 formed at the interface between sidewalls of the housing assembly.
  • Aperture 736 permits a card to be inserted therewithin to be received by the card reader assembly shown in the previous Figure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Casings For Electric Apparatus (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Insertion Pins And Rivets (AREA)

Abstract

L'invention concerne un dispositif de fixation (100, 200, 300) pour fixer au moins deux surfaces placées en tandem (106, 206) telles que les surfaces opposées d'un ensemble boîtier. Le dispositif de fixation comprend des premier (100) et second (200) éléments d'accrochage qui sont fixés, selon une relation définie, aux surfaces supérieure (106) et inférieure (206) devant être mutuellement rattachées. Un dispositif de retenue (300) formé dans une plaque multifentes (306, 312) comporte des ouvertures en forme de fentes (318, 330) de dimensions correspondant à celles des éléments d'accrochage, et donc, à celles des surfaces supérieure et inférieure réunies. En fixant le dispositif de retenue (300) à un substrat (344) placé entre les surfaces supérieure et inférieure, le dispositif de retenue (300) seul peut être utilisé pour fixer le substrat (344) en position entre les surfaces supérieure (106) et inférieure (206).
PCT/US1993/000634 1992-02-21 1993-01-25 Ensemble de fixation pour boitier de telephone et substrat WO1993017513A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SK1154-93A SK115493A3 (en) 1992-02-21 1993-01-25 Fastener assembly for telephone housing and substrate
FI934642A FI934642L (fi) 1992-02-21 1993-01-25 Faestningsanordning foer hoelje och underlag hos telefon
JP5514847A JP2724518B2 (ja) 1992-02-21 1993-01-25 留め具アセンブリ
KR1019930703101A KR970007668B1 (ko) 1992-02-21 1993-01-25 파스너 조립체

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83801392A 1992-02-21 1992-02-21
US07/838,013 1992-02-21

Publications (1)

Publication Number Publication Date
WO1993017513A1 true WO1993017513A1 (fr) 1993-09-02

Family

ID=25276047

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1993/000634 WO1993017513A1 (fr) 1992-02-21 1993-01-25 Ensemble de fixation pour boitier de telephone et substrat

Country Status (6)

Country Link
JP (1) JP2724518B2 (fr)
KR (1) KR970007668B1 (fr)
CA (1) CA2107770C (fr)
FI (1) FI934642L (fr)
SK (1) SK115493A3 (fr)
WO (1) WO1993017513A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997032424A1 (fr) * 1996-02-28 1997-09-04 Nokia Mobile Phones Limited Radiotelephone
WO1997035414A1 (fr) * 1996-03-20 1997-09-25 Philips Electronics N.V. Appareil pourvu de differentes enveloppes de protection
WO2000064127A1 (fr) * 1999-04-21 2000-10-26 Siemens Aktiengesellschaft Boitier
EP1161061A1 (fr) * 1996-02-28 2001-12-05 Nokia Mobile Phones Ltd. Couvercle remplaçable par l'utilisateur pour un appareil électronique portable
AU760823B2 (en) * 1996-02-28 2003-05-22 Nokia Technologies Oy An attachable/detachable wall element of a communications device
EP0806857A3 (fr) * 1996-05-10 2004-02-04 Nokia Corporation Combiné téléphonique pour un système radiotéléphonique
US7092520B2 (en) 1996-02-28 2006-08-15 Nokia Corporation Radiotelephone

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2199213A (en) * 1986-12-19 1988-06-29 Amalgamated Wireless Australas Telephone handpiece housing
JPS63222552A (ja) * 1987-03-12 1988-09-16 Matsushita Electric Works Ltd 室内間連絡報知器の子器
US5157724A (en) * 1991-10-10 1992-10-20 Northern Telecom Limited Weighted telephone base assembly

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4840286A (en) 1988-02-23 1989-06-20 Hayes Microcomputer Products, Inc. Equipment enclosure with internal fasteners

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2199213A (en) * 1986-12-19 1988-06-29 Amalgamated Wireless Australas Telephone handpiece housing
JPS63222552A (ja) * 1987-03-12 1988-09-16 Matsushita Electric Works Ltd 室内間連絡報知器の子器
US5157724A (en) * 1991-10-10 1992-10-20 Northern Telecom Limited Weighted telephone base assembly

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6487397B2 (en) 1996-02-28 2002-11-26 Nokia Mobile Phones Ltd. Electronic device with housing supplement
AU760823B2 (en) * 1996-02-28 2003-05-22 Nokia Technologies Oy An attachable/detachable wall element of a communications device
US7885403B2 (en) 1996-02-28 2011-02-08 Nokia Corporation Radiotelephone
AU717717B2 (en) * 1996-02-28 2000-03-30 Nokia Technologies Oy Radiotelephone
CN100345429C (zh) * 1996-02-28 2007-10-24 诺基亚流动电话有限公司 无线电话
EP1161061A1 (fr) * 1996-02-28 2001-12-05 Nokia Mobile Phones Ltd. Couvercle remplaçable par l'utilisateur pour un appareil électronique portable
US7239700B2 (en) 1996-02-28 2007-07-03 Nokia Corporation Radiotelephone
US6978123B2 (en) 1996-02-28 2005-12-20 Nokia Mobile Phones Ltd. Electronic device with housing supplement
WO1997032424A1 (fr) * 1996-02-28 1997-09-04 Nokia Mobile Phones Limited Radiotelephone
US7092520B2 (en) 1996-02-28 2006-08-15 Nokia Corporation Radiotelephone
WO1997035414A1 (fr) * 1996-03-20 1997-09-25 Philips Electronics N.V. Appareil pourvu de differentes enveloppes de protection
US6006074A (en) * 1996-03-20 1999-12-21 U.S. Philips Corporation Apparatus having different shielding covers
EP0806857A3 (fr) * 1996-05-10 2004-02-04 Nokia Corporation Combiné téléphonique pour un système radiotéléphonique
US6808239B1 (en) 1999-04-21 2004-10-26 Siemens Aktiengesellschaft Casing
WO2000064127A1 (fr) * 1999-04-21 2000-10-26 Siemens Aktiengesellschaft Boitier

Also Published As

Publication number Publication date
KR970007668B1 (ko) 1997-05-15
FI934642A7 (fi) 1993-10-21
CA2107770A1 (fr) 1993-08-22
JP2724518B2 (ja) 1998-03-09
JPH06507230A (ja) 1994-08-11
FI934642A0 (fi) 1993-10-21
CA2107770C (fr) 1996-03-12
SK115493A3 (en) 1994-05-11
FI934642L (fi) 1993-10-21

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