CN1364376A - Surface mounting of mobile telephone speaker uint - Google Patents
Surface mounting of mobile telephone speaker uint Download PDFInfo
- Publication number
- CN1364376A CN1364376A CN00810722.XA CN00810722A CN1364376A CN 1364376 A CN1364376 A CN 1364376A CN 00810722 A CN00810722 A CN 00810722A CN 1364376 A CN1364376 A CN 1364376A
- Authority
- CN
- China
- Prior art keywords
- sealing gasket
- loudspeaker
- loudspeaker unit
- protecgulum
- assembly according
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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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
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
A cellular telephone handset's speaker is secured to and maintained in electrical contact with the printed circuit board (PCB) of the telephone by surface mounting a carrier to the PCB, press-fitting a gasket into the carrier, and press-fitting the speaker into the gasket.
Description
Technical field
The present invention relates to mobile phone, specifically, the present invention relates to a kind of syndeton of electro-mechanical loudspeaker of mobile phone.
Background technology
Mobile phone particularly portable cellular phone is popularized rapidly, therefore, the demand of novel mobile phone structure is increased rapidly, and its turn of the market is very swift and violent.The continuous increase of asking along with consumer adversary is confidential, the life cycle of handset structure also reduce rapidly, and therefore, the design cycle that must shorten mobile phone is to cater to this demand.
In exploitation mobile phone institute must the multiple design specification of consideration, must make mobile phone have the function that to change its protecgulum, to satisfy different consumption demands economical and practically.And in manufacture process,, also the protecgulum of mobile phone must be taken off usually in order to change the protecgulum of damage.In addition, for repairing and change the mobile phone sub-element effectively, after assembling, usually also must can be in the process of making mobile phone near the printed circuit board (PCB) (PCB) of mobile phone.Therefore original mobile phone, is not easy near PCB in unloading process owing to be provided with a non-ornamental inner cap below the protecgulum of loud speaker is installed.In assembling process, cover in loud speaker is fixed to, and then Rotate 180 ° is reattached on the PCB.Although the consumer can change protecgulum easily, if must keep in repair, inner cap can hinder people to touch PCB.
In the prior art, people have proposed the structure that a lot of ways is improved mobile phone.For example, in JP8-079348A, WO91/18465A1, JP9-055971A, US5832371, WO97/29528A1 and GB2199213A, put down in writing various handset structure, these mobile phones all include the various device that loud speaker can be fixed on the mobile phone, as a reference they are quoted here.
Summary of the invention
In the mobile phone of prior art, when protecgulum is taken off in maintenance, be not easy to directly near PCB.Therefore, must spend the extra time in process of production to take off non-ornamental inner cap, so that near PCB.In addition, inner cap need be reorientated (180 °) when assembling, thereby (along the Z axle) installed vertically, and has increased production cost and time.
The present invention is exactly the basic problem for the assembly and disassembly that solve mobile phone.According to an exemplary embodiment of the present invention, loudspeaker unit is inserted in the mobile phone, and securely by being surface mounted on the PCB, and in the process that can carry out fully automatically, be connected with the PCB rigid electric, and need not on the mobile phone protecgulum, to install other extra sub-element.With loud speaker by being surface mounted on the PCB, like this, can be in the time must keeping in repair easily near PCB, under the situation that needn't reinstall loud speaker, the consumer just can change protecgulum simultaneously.
In other advantage, phone of the present invention also is convenient to the consumer more cheap protecgulum is replaced with another kind of protecgulum attractive in appearance, and keeps in repair under the situation about damaging with protecgulum opening phone, and comparatively cheap protecgulum is discarded.In addition, adopt the present invention can install along vertical Z axle when producing phone (only installs at vertical direction more conveniently, reorientate and needn't rotate), just, all elements all can be installed on the vertical aspect, and with the base portion of bonnet (being also referred to as rear portion lid or framework) as Telephone Package.
According to an exemplary embodiment of the present invention, with a less loudspeaker support by being surface mounted on the PCB.This support (for example, PPS) is made, and is realized mechanical connection from the hardware to PCB by mounted on surface by the heat resistant plastic material that comprises hardware.Loudspeaker support also can be used as the electrical connector between loud speaker and the PCB.Loud speaker is press fit in the elastic rubber gasket, and then sealing gasket is press fit in the loudspeaker support.The size of sealing gasket and support, shape and attribute make them be suitable for installing in suppliers, and are installed on the PCB as a unit.
The present invention is convenient to reduce the cost of protecgulum, thereby improve its market competitiveness, and it is more convenient and change protecgulum economically, because this phone is more attractive on market, if maintenance need discard protecgulum in process of production, so, so just improved the cost efficiency of maintenance mobile phone in the production process, and (only install at vertical direction, and needn't reorientate) after taking off protecgulum, can be installed along vertical Z axle also directly near PCB.Therefore, compare, only need carry out demounting procedure seldom, thereby improve time efficiency, and allow to install along vertical Z axle with existing telephone.
Clearly draw in the detailed description that other purpose of the present invention, characteristics and advantage can be in conjunction with the drawings carried out the embodiment of the invention.
Description of drawings
Below in conjunction with accompanying drawing and example only by providing, and the application of the present invention of the detailed description of preferred embodiment of comparable device and method, wherein:
Fig. 1 is the partial cross section view of the phone of first embodiment of the invention;
Fig. 2 is the partial cross section view of the phone of second embodiment of the invention;
Fig. 3 is the flow chart of first embodiment of assembling process of the present invention; And
Fig. 4 is the flow chart of second embodiment of assembling process of the present invention.
Embodiment
In whole accompanying drawing, identical label is represented identical or corresponding element.
Fig. 1 is the partial cross section view of the phone of first embodiment of the invention.Assembly 100 comprises a PCB102 and a protecgulum 104, is formed with at least one preferably a plurality of hole 106 on protecgulum 104, so that sound wave 108 passes protecgulum.As shown in Figure 1, the bonnet (not shown) is arranged on the below of PCB102.
Loudspeaker support 110, sealing gasket 112 and loudspeaker unit 114 are arranged between protecgulum 104 and the PCB102, and sealing gasket is close to protecgulum, and loudspeaker support is by being surface mounted on the PCB, and loudspeaker unit is clamped between sealing gasket and the loudspeaker support.Although showing, Fig. 1 has bigger gap between sealing gasket 112, loudspeaker unit 114 and the loudspeaker support, but be to be understood that loud speaker is that mode with interference fit is accommodated in the sealing gasket, and sealing gasket and loudspeaker unit combination also are press fit on the loudspeaker support similarly, and the gap is very little or very close to each other between these elements.The concrete structure of loudspeaker unit 1 14 has been known, therefore, for simplicity's sake, just no longer has been described in greater detail here.
Loudspeaker support 110 is roughly cup-shaped elements, and it comprises a columnar upright perisporium 116 and a base portion 118 that links to each other with above-mentioned perisporium in its bottom.As mentioned above, loudspeaker unit 114 and part sealing gasket 112 are contained in the inner chamber that upright perisporium 116 limited.Protrude upward a projection, scotch or like 120 from base portion 118, with limiting loudspeaker unit 114 to upper/lower positions.Although projection 120 is horizontally set in the drawings and abuts on the loudspeaker unit 114, but also can select to make projection 120 to abut on the sealing gasket 112, perhaps on loudspeaker support 110, be provided with a plurality of such projections 120 come the limiting loudspeaker unit to upper/lower positions.Under the situation that includes a plurality of projections 120, at least three equally spaced projections can guarantee loudspeaker unit 114 is pressed in the loudspeaker support 110 equably.
Loudspeaker support 110 also comprises a flexible spring-like electrical connector 122, and this electrical connector 122 stretches out from the top of base portion 118 and electrically contacts with loudspeaker unit 114.Electrical connector 122 partly extend in the base portion 118, and with the PCB102 electric connection.For example, base portion 118 can comprise a contact part 124 with the PCB102 electric connection.Certainly understand as those of ordinary skill, electrical contacts 124 only is typical electrical connection between loudspeaker support 110 of the present invention and PCB102.Therefore, form electric pathway from the conductor (not shown) and the electrical contacts 124 to PCB102 of loudspeaker unit 114 through electrical connector 122, loudspeaker support 110, thereby make the signal of telecommunication be sent to loudspeaker unit from PCB.Except the above-mentioned electric conductor that passes loudspeaker support, loudspeaker support 110 is preferably made by heat-resisting electrical insulating material.Loudspeaker support 110 preferably is welded on the PCB102.
Sealing gasket 112 roughly is cylindrical circular element, and for example natural or synthetic rubber of its elastomeric material by elastically deformable or similar material form, and are nonconducting.Sealing gasket 112 comprises the part 126 of a columnar downward extension, a part that cylindrical shape extends internally 128 and a upwardly extending stopping part 130 that is positioned at upper end, downward extension, loudspeaker unit 114 can be contained in the space that downward extension 126 limited, and the part that extends internally 128 is being connected with above-mentioned downward extension 126 near the upper end of extension 126 downwards.The part that extends internally 128 can be dish type, and it comprises a hole or a space 132 in it, and when installing with protecgulum 104, hole 106 is just pressed close in above-mentioned hole or space 132, thus make sound wave that loudspeaker unit 1 14 sent can be through the space 132 and hole 106 spread out of.
As shown in Figure 1, the part that extends internally 128 action moves up with limiting loudspeaker unit 114, and because it has elasticity, therefore matches with the connector 122 of spring-like and fixes with the loudspeaker unit that electrically contacts with connector 122.When installing with protecgulum 104, stopping part 130 is pressed against on the bottom surface of protecgulum, and further pushes sealing gasket 112 and loudspeaker unit 114 to loudspeaker support 110.Certainly understand as those of ordinary skill, the elasticity of sealing gasket 112 can allow sealing gasket to have bigger size with respect to the space that is limited between protecgulum 104 and the PCB102, and can be pressed in the above-mentioned space, thereby help when making protecgulum and PCB, to reduce requirement to its tight tolerance.
Installation process below in conjunction with Fig. 3 and 4 pairs of assemblies shown in Figure 1 is described embodiment.Because sealing gasket 112, loudspeaker unit 114 and loudspeaker support 110 vertically arrange along the Z axle, therefore, can be easily with these three elements by being surface mounted on the PCB102, and needn't in installation process, carry out reorientation.Therefore, as shown in Figure 3, loudspeaker support 110 welds or is fixed on the PCB102 firmly, and perisporium 116 leaves from the direction extension of PCB.Loudspeaker unit 114 is force-fitted in the sealing gasket 112, and preferably the top of loudspeaker unit abuts in the part or coil on 128 of extending internally.Then, when clamping loudspeaker unit 114, sealing gasket 112 is press fit in the loudspeaker support 110, at least before the bottom that makes loudspeaker unit and connector 122 electrically contact, determines and 120 allowed but be no more than stop.Then protecgulum 104 is installed being positioned on the sealing gasket 112, and contacted with it and press thereon.
As mentioned above, before whole mobile phone is installed, selectively can be assembled into an independently loudspeaker assembly to sealing gasket 112, loudspeaker unit 114 and loudspeaker support 110 in advance, and then directly by being surface mounted on the PCB102.Therefore, as shown in Figure 4, as mentioned above loudspeaker support 110, sealing gasket 112 and loudspeaker unit 114 are installed together, after this, again loudspeaker support are welded or is connected on the PCB102 securely.And then protecgulum 104 is installed, as mentioned above.
Get back to Fig. 2 now, Fig. 2 is the partial cross section view of the phone of second embodiment of the invention.Assembly 200 is similar substantially and as mentioned above with assembly 100 shown in Figure 1, is that it comprises loudspeaker unit is clamped in structure in the space between the protecgulum of PCB and telephone receiver.Assembly 200 comprises support 210, sealing gasket 212 and loudspeaker unit 214.Loudspeaker unit 214 can be identical with the type of above-mentioned loudspeaker unit 114, also can be a kind of dissimilar loud speaker.
Support 210 is a pipe, and relative as mentioned above loudspeaker support 110 is like that by being surface mounted on the PCB202.Support 210 defines an inner chamber that holds sealing gasket 212, and sealing gasket 212 holds loudspeaker unit 214.Best, make the interior diameter of sealing gasket 212 and support 210 be provided with to such an extent that sealing gasket 212 must be press fit in the support 212 each other.Support 210 is preferably made by heat-resisting electrically non-conductive material, and can be by being surface mounted on the PCB202.
Sealing gasket 212 is cup-shaped parts, and it comprises a columnar upwardly extending straight wall 216 and a bottom 218 that is arranged on the Zhi Bi lower end.Columnar straight wall 216 portion within it defines one and makes its size to hold the space of the loudspeaker unit 214 in it; As the relation between sealing gasket 212 and the support 210, with the size of the overall diameter of the interior diameter of sealing gasket and loudspeaker unit 214 each other in when above-mentioned two elements are installed together, loudspeaker unit being press fit in the sealing gasket.
The bottom 218 of sealing gasket 212 comprises a Flexible Connector 220 in it, and it extends between the upper and lower side of bottom.If must form electric loop with PCB202, connector 220 can comprise 218 parts 222 of extending from the bottom downwards, so that contact with the selected part of PCB.Connector 220 constitutes a part of sealing gasket 212, and forms from PCB202 through the pathway for electrical signals of sealing gasket to the lower surface of loudspeaker unit 214.
Although loud speaker 214, sealing gasket 212 and support 210 are force-fitted in just to be enough to together make and set up between loud speaker and the PCB202 and the maintenance electric connection, but when being surface mounted on the PCB, assembly 200 can be provided with the additional structure that can be used for keeping this connection selectively at support.According to one embodiment of present invention, protecgulum 204 is provided with the structure of downward extension, and when protecgulum being installed or navigate on the assembly 200, its auxiliary loudspeaker unit 214 and connector 220 of making keeps electrically contacting.As shown in Figure 2, first convex shoulder 224 that protecgulum 204 comprises around hole 206 and extends downwards from protecgulum, and make its size become to recline cylindrical wall 216 of sealing gasket 212.
Owing to form the relation of interference fit between sealing gasket, support and the loud speaker, therefore, first convex shoulder 224 abuts in mutually with wall 216 and just pushes away sealing gasket, support 210 and loud speaker 214 together downwards.First convex shoulder 224 can be a continuous or discontinuous element, and just, it can form a contacted continuous press strip in the whole tops with sealing gasket 212, perhaps forms the flange of a series of discontinuous downward extensions.
Protecgulum 204 also can be selectively the radially inner side of first convex shoulder 224 be provided with add in addition second extend convex shoulder 226 downwards, and make its size with the loud speaker 214 that reclines.Second convex shoulder 226 is kept a space 228 above loud speaker 214, sound wave 208 can 206 pass to protecgulum 204 outsides by this space and through the hole.When sealing gasket 212, support 210, loudspeaker unit 214, PCB202 and protecgulum 204 fitted together, second convex shoulder 226 preferably was pressed against on the loudspeaker unit slightly, kept electrically contacting to make loudspeaker unit and connector 220 again.
To in conjunction with the accompanying drawings below, the installation process of 3 and 4 pairs of assemblies shown in Figure 2 is described embodiment again.Because sealing gasket 212, loudspeaker unit 214 and loudspeaker support 210 are vertically arranged along the Z axle, therefore, can easily these three elements be installed on the PCB202, and needn't carry out reorientation in installation process.Therefore, as shown in Figure 3, with support 210 by mounted on surface, welding or be fixed on the PCB202 firmly.Loudspeaker unit 214 is force-fitted in the sealing gasket 212, preferably the bottom of the loudspeaker unit part 220 that is posted by connecting.Behind clamping loudspeaker unit 214, sealing gasket 212 is press fit in the loudspeaker support 210, electrically contact until the bottom and the PCB202 of connector 220.Then protecgulum 204 is connected,, may contact with it and press on it to be positioned on the sealing gasket 212 that has convex shoulder 224,226.
As mentioned above, before whole mobile phone is installed, selectively sealing gasket 212, loudspeaker unit 214 and loudspeaker support 210 are assembled into an independently loudspeaker assembly in advance, and then with it directly by being surface mounted on the PCB202.Therefore, as shown in Figure 4, earlier loudspeaker support 210, sealing gasket 212 and loud speaker 214 are installed together, as mentioned above, after this, again this support are welded or is connected on the PCB202 securely.And then protecgulum 204 is installed, as mentioned above.
Although in conjunction with the preferred embodiments the present invention is described in detail above, those skilled in the art can obviously find out, can do various changes and adopt equivalent, and not exceed scope of the present invention.
Claims (17)
1. loudspeaker assembly that is used for telephone receiver, it comprises:
A columnar support, and limit a space therein;
An elastic sealing gasket, and limit a space therein, described sealing gasket is press fit in the described rack space; And
A loudspeaker unit that is press fit in the described sealing gasket space.
2. loudspeaker assembly according to claim 1, it also comprises a printed circuit board (PCB), described cylinder-shaped bracket is by being surface mounted on the described printed circuit board (PCB).
3. loudspeaker assembly according to claim 1, wherein, described support is cup-shaped, and also comprises the bottom in a described space of sealing at the one end.
4. loudspeaker assembly according to claim 3, wherein, described bottom comprises the elasticity electrical connector that stretches out from described bottom and electrically contact with described loudspeaker unit.
5. loudspeaker assembly according to claim 3, wherein, described bottom comprises the scotch that extends upwardly from described bottom to described loudspeaker unit.
6. loudspeaker assembly according to claim 1, wherein, described sealing is paid somebody's debt and expected repayment later and is comprised a part of inwardly stretching to described sealing gasket space and abutting in described loud speaker, and the described part that extends internally comprises a hole in it.
7. loudspeaker assembly according to claim 1, wherein, described sealing is paid somebody's debt and expected repayment later and is comprised a stopping part that stretches out and leave described loudspeaker unit from described sealing gasket.
8. loudspeaker assembly according to claim 1, wherein, described sealing is paid somebody's debt and expected repayment later and is comprised a part of inwardly stretching to described sealing gasket space and reclining with described loudspeaker unit, and the described part that extends internally comprises an electrical connector that passes described sealing gasket.
9. loudspeaker assembly according to claim 1, wherein, described sealing gasket is cup-shaped.
10. loudspeaker assembly according to claim 1, it also comprises a phone protecgulum, described protecgulum comprises a part of stretching to described sealing gasket, and this extension comprises the convex shoulder of being close to described sealing gasket, to limit described sealing gasket moving up with respect to described protecgulum.
11. loudspeaker assembly according to claim 10, wherein, described protecgulum extension convex shoulder is first convex shoulder, and described protecgulum extension also comprises second convex shoulder that is positioned to be close to described loud speaker, moves up with respect to described protecgulum to limit described loud speaker.
12. the method for the loud speaker of having a telephone installed, it may further comprise the steps:
Loudspeaker unit is press fit in the sealing gasket; And
Described sealing gasket is press fit in the cylinder-shaped bracket.
13. the method for installation loudspeaker unit according to claim 12, it also comprises described support by being surface mounted to the step on the printed circuit board (PCB).
14. the method for the loudspeaker unit of having a telephone installed according to claim 13, it also comprises described phone protecgulum near described sealing gasket localization step.
15. the method for installation loudspeaker unit according to claim 13, wherein, the step of the described loudspeaker unit of described interference fit is carried out before by the step of mounted on surface described.
16. the method for installation loudspeaker unit according to claim 15, wherein, the step of the described sealing gasket of described interference fit was carried out before described step of installing by the surface.
17. the method for installation loudspeaker unit according to claim 13, wherein, the step of the described loud speaker of described interference fit is carried out after described step of installing by the surface.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US32482999A | 1999-06-03 | 1999-06-03 | |
| US09/324,829 | 1999-06-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1364376A true CN1364376A (en) | 2002-08-14 |
| CN1145339C CN1145339C (en) | 2004-04-07 |
Family
ID=23265277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB00810722XA Expired - Fee Related CN1145339C (en) | 1999-06-03 | 2000-05-29 | Surface mounting of mobile telephone speaker uint |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2003501962A (en) |
| CN (1) | CN1145339C (en) |
| AU (1) | AU5676400A (en) |
| DE (1) | DE10084646T1 (en) |
| WO (1) | WO2000076183A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340577A (en) * | 2011-07-29 | 2012-02-01 | 瑞声声学科技(深圳)有限公司 | Acoustical generator front cover and manufacturing method thereof |
| CN108418912A (en) * | 2018-02-14 | 2018-08-17 | 广东欧珀移动通信有限公司 | Electronic building brick and electronic equipment |
| CN108429827A (en) * | 2018-02-26 | 2018-08-21 | 广东欧珀移动通信有限公司 | Electronic building brick and electronic equipment |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4158347B2 (en) | 2001-03-21 | 2008-10-01 | 日本電気株式会社 | Electronic component mounting structure |
| EP1251592A1 (en) * | 2001-04-21 | 2002-10-23 | Ascom AG | System for securing and connecting modules of electrical apparatuses |
| JP2003050642A (en) * | 2001-08-03 | 2003-02-21 | Nec Corp | Portable information terminal |
| DE10254644B4 (en) * | 2001-11-24 | 2016-02-18 | Tenovis Gmbh & Co. Kg | Telecommunication device with an acoustically decoupled microphone |
| DE60208600D1 (en) * | 2002-04-05 | 2006-04-06 | Ipm Internat S A | Chocolate tasting device for converter capsule of a telephone handset |
| EP1401236A1 (en) * | 2002-09-11 | 2004-03-24 | Siemens Aktiengesellschaft | Transducer mounting element and method |
| GB2405767A (en) * | 2003-09-03 | 2005-03-09 | Sendo Int Ltd | Mobile phone multi-directional sound porting mechanism |
| KR20080010625A (en) * | 2006-07-27 | 2008-01-31 | 삼성전자주식회사 | Mobile appliance |
| CN102572038A (en) * | 2012-01-13 | 2012-07-11 | 广东步步高电子工业有限公司 | Position-limitation protection device of telephone receiver and mobile phone with position-limitation protection device |
| TWI489881B (en) * | 2012-08-27 | 2015-06-21 | Askey Computer Corp | Fixer for loudspeaker and electronic device using the same |
| CN111182437B (en) * | 2020-01-04 | 2021-09-28 | 陈瑞鸣 | Automatic assembly process for portable sound equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4984268A (en) * | 1988-11-21 | 1991-01-08 | At&T Bell Laboratories | Telephone handset construction |
| US5081674A (en) * | 1990-05-14 | 1992-01-14 | Motorola, Inc. | Double annular ring speaker gasket |
| EP0740878B1 (en) * | 1993-08-18 | 2000-01-05 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Telephone handset |
| JP3283226B2 (en) * | 1997-12-26 | 2002-05-20 | ポリマテック株式会社 | How to make a holder |
-
2000
- 2000-05-29 JP JP2001502335A patent/JP2003501962A/en not_active Withdrawn
- 2000-05-29 AU AU56764/00A patent/AU5676400A/en not_active Abandoned
- 2000-05-29 CN CNB00810722XA patent/CN1145339C/en not_active Expired - Fee Related
- 2000-05-29 WO PCT/EP2000/004864 patent/WO2000076183A1/en active Application Filing
- 2000-05-29 DE DE10084646T patent/DE10084646T1/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340577A (en) * | 2011-07-29 | 2012-02-01 | 瑞声声学科技(深圳)有限公司 | Acoustical generator front cover and manufacturing method thereof |
| CN102340577B (en) * | 2011-07-29 | 2014-02-26 | 瑞声声学科技(深圳)有限公司 | Acoustical generator front cover and manufacturing method thereof |
| CN108418912A (en) * | 2018-02-14 | 2018-08-17 | 广东欧珀移动通信有限公司 | Electronic building brick and electronic equipment |
| CN108418912B (en) * | 2018-02-14 | 2020-07-07 | Oppo广东移动通信有限公司 | Electronic component and electronic device |
| CN108429827A (en) * | 2018-02-26 | 2018-08-21 | 广东欧珀移动通信有限公司 | Electronic building brick and electronic equipment |
| CN108429827B (en) * | 2018-02-26 | 2020-07-07 | Oppo广东移动通信有限公司 | Electronic component and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000076183A1 (en) | 2000-12-14 |
| JP2003501962A (en) | 2003-01-14 |
| AU5676400A (en) | 2000-12-28 |
| DE10084646T1 (en) | 2002-05-08 |
| CN1145339C (en) | 2004-04-07 |
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| C10 | Entry into substantive examination | ||
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