JPH02103950U - - Google Patents
Info
- Publication number
- JPH02103950U JPH02103950U JP1989012815U JP1281589U JPH02103950U JP H02103950 U JPH02103950 U JP H02103950U JP 1989012815 U JP1989012815 U JP 1989012815U JP 1281589 U JP1281589 U JP 1281589U JP H02103950 U JPH02103950 U JP H02103950U
- Authority
- JP
- Japan
- Prior art keywords
- sound hole
- holder
- lower case
- upper case
- handset
- 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
Links
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 210000000078 claw Anatomy 0.000 description 1
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
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
- H04M1/035—Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989012815U JPH0727715Y2 (ja) | 1989-02-06 | 1989-02-06 | ハンドセット |
| KR1019900001309A KR930001820B1 (ko) | 1989-02-06 | 1990-02-03 | 통신기기의 송화장치 |
| GB9002482A GB2228646B (en) | 1989-02-06 | 1990-02-05 | Speech transmitter for communication equipment |
| US07/475,003 US5144656A (en) | 1989-02-06 | 1990-02-05 | Transmitter for communication equipment |
| CA002009293A CA2009293C (en) | 1989-02-06 | 1990-02-05 | Handset transmitter for communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989012815U JPH0727715Y2 (ja) | 1989-02-06 | 1989-02-06 | ハンドセット |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02103950U true JPH02103950U (US20110158925A1-20110630-C00042.png) | 1990-08-17 |
| JPH0727715Y2 JPH0727715Y2 (ja) | 1995-06-21 |
Family
ID=11815884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989012815U Expired - Lifetime JPH0727715Y2 (ja) | 1989-02-06 | 1989-02-06 | ハンドセット |
Country Status (5)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9317982U1 (de) * | 1993-11-24 | 1994-03-10 | Siemens AG, 80333 München | Handapparat für eine Fernsprechstation |
| JP2609822B2 (ja) * | 1994-10-12 | 1997-05-14 | 埼玉日本電気株式会社 | 送話器 |
| US7106876B2 (en) * | 2002-10-15 | 2006-09-12 | Shure Incorporated | Microphone for simultaneous noise sensing and speech pickup |
| KR100831119B1 (ko) * | 2002-12-24 | 2008-05-20 | 엘지노텔 주식회사 | 통신용 단말기의 노이즈 감쇠 핸드셋 |
| US20080170724A1 (en) * | 2007-01-16 | 2008-07-17 | Byron Demetrious Cancelmo | Vocal monitor |
| DE102007021276A1 (de) * | 2007-05-07 | 2008-11-13 | Siemens Medical Instruments Pte. Ltd. | Hörhilfegerät mit einer Abschirmung |
| US9686389B2 (en) * | 2015-11-02 | 2017-06-20 | Cisco Technology, Inc. | Audio transducer and associated holding device for enhanced acoustic and electromagnetic coupling |
| US11785375B2 (en) | 2021-06-15 | 2023-10-10 | Quiet, Inc. | Precisely controlled microphone acoustic attenuator with protective microphone enclosure |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3240883A (en) * | 1961-05-25 | 1966-03-15 | Shure Bros | Microphone |
| ZA728218B (en) * | 1971-11-23 | 1973-07-25 | Plessey Ducon Ltd | Microphone damping |
| CH528197A (de) * | 1971-12-20 | 1972-09-15 | Ibm | Gehäuseanordnung mit einem elektro-akustischen Wandler, und Verwendung derselben in einem Telefonapparat einer Nachrichtenübertragungsanlage mit PCM-Codierung |
| JPS6017191B2 (ja) * | 1977-12-30 | 1985-05-01 | アイホン株式会社 | 風雑音減衰効果を有するマイクロンホンユニツト |
| DE2831401A1 (de) * | 1978-07-17 | 1980-01-31 | Siemens Ag | Elektroakustischer wandler |
| DE2831411C2 (de) * | 1978-07-17 | 1983-10-06 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Elektroakustischer Wandler mit mit piezoelektrischer Schicht versehener Membran |
| GB2064265B (en) * | 1979-11-30 | 1984-01-11 | Pye Electronic Prod Ltd | Microphone unit |
| JPS62141246U (US20110158925A1-20110630-C00042.png) * | 1986-02-28 | 1987-09-05 | ||
| US4776009A (en) * | 1986-06-09 | 1988-10-04 | Northern Telecom Limited | Telephone handset having housings assembled without mechanical fasteners |
| DE3634620A1 (de) * | 1986-10-10 | 1988-04-14 | Siemens Ag | Anordnung zum schutz vor spannungsueberschlaegen bei handapparaten der fernsprechtechnik |
-
1989
- 1989-02-06 JP JP1989012815U patent/JPH0727715Y2/ja not_active Expired - Lifetime
-
1990
- 1990-02-03 KR KR1019900001309A patent/KR930001820B1/ko not_active IP Right Cessation
- 1990-02-05 CA CA002009293A patent/CA2009293C/en not_active Expired - Lifetime
- 1990-02-05 US US07/475,003 patent/US5144656A/en not_active Expired - Lifetime
- 1990-02-05 GB GB9002482A patent/GB2228646B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GB2228646B (en) | 1993-09-08 |
| GB9002482D0 (en) | 1990-04-04 |
| KR930001820B1 (ko) | 1993-03-13 |
| KR900013747A (ko) | 1990-09-06 |
| JPH0727715Y2 (ja) | 1995-06-21 |
| US5144656A (en) | 1992-09-01 |
| CA2009293A1 (en) | 1990-08-06 |
| CA2009293C (en) | 1994-07-26 |
| GB2228646A (en) | 1990-08-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |