DE3128686C2 - - Google Patents
Info
- Publication number
- DE3128686C2 DE3128686C2 DE3128686A DE3128686A DE3128686C2 DE 3128686 C2 DE3128686 C2 DE 3128686C2 DE 3128686 A DE3128686 A DE 3128686A DE 3128686 A DE3128686 A DE 3128686A DE 3128686 C2 DE3128686 C2 DE 3128686C2
- Authority
- DE
- Germany
- Prior art keywords
- attachment
- membrane
- converter according
- electrostatic
- counter electrode
- 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.)
- Expired
Links
- 239000012528 membrane Substances 0.000 claims description 24
- 230000005520 electrodynamics Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
- 
        - H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/02—Transducers using more than one principle simultaneously
 
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| AT0392080A AT366862B (de) | 1980-07-28 | 1980-07-28 | Elektroakustischer wandler nach dem zweiwegprinzip | 
Publications (2)
| Publication Number | Publication Date | 
|---|---|
| DE3128686A1 DE3128686A1 (de) | 1982-03-04 | 
| DE3128686C2 true DE3128686C2 (en:Method) | 1989-03-16 | 
Family
ID=3557233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| DE19813128686 Granted DE3128686A1 (de) | 1980-07-28 | 1981-07-21 | "elektroakustischer wandler nach dem zweiwegprinzip" | 
Country Status (8)
| Country | Link | 
|---|---|
| US (1) | US4447678A (en:Method) | 
| JP (1) | JPS5753200A (en:Method) | 
| AT (1) | AT366862B (en:Method) | 
| CA (1) | CA1178365A (en:Method) | 
| DE (1) | DE3128686A1 (en:Method) | 
| ES (1) | ES504303A0 (en:Method) | 
| FR (1) | FR2487619B1 (en:Method) | 
| GB (1) | GB2081052B (en:Method) | 
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| DK146770C (da) * | 1981-11-13 | 1984-06-04 | Brueel & Kjaer As | Kapacitiv transducer | 
| GB2122842B (en) * | 1982-05-29 | 1985-08-29 | Tokyo Shibaura Electric Co | An electroacoustic transducer and a method of manufacturing an electroacoustic transducer | 
| US4497981A (en) * | 1982-06-01 | 1985-02-05 | Harman International Industries Incorporated | Multi-driver loudspeaker | 
| US4891843A (en) * | 1983-02-24 | 1990-01-02 | At&T Technologies, Inc. | Electret microphone | 
| USD280022S (en) | 1983-03-10 | 1985-08-06 | Phonic Ear, Inc. | Hearing aid transducer or the like | 
| US4554414A (en) * | 1983-04-28 | 1985-11-19 | Harman International Industries Incorporated | Multi-driver loudspeaker | 
| AT378306B (de) * | 1983-08-29 | 1985-07-25 | Akg Akustische Kino Geraete | Verwendung eines gebuendelten laserstrahles zur herstellung eines akustischen reibungswiderstandesfuer elektroakustische wandler | 
| US4529846A (en) * | 1984-08-22 | 1985-07-16 | Northern Telecom Limited | Dynamic telephone receiver with magnetic shunt | 
| US4764690A (en) * | 1986-06-18 | 1988-08-16 | Lectret S.A. | Electret transducing | 
| DE3852156T2 (de) * | 1987-03-04 | 1995-05-11 | Hosiden Corp | Membraneinheit eines elektrostatischen mikrophons, ein verfahren zu ihrer herstellung und ein elektrostatisches mikrophon. | 
| US4767973A (en) * | 1987-07-06 | 1988-08-30 | Sarcos Incorporated | Systems and methods for sensing position and movement | 
| GB2250658A (en) * | 1990-12-07 | 1992-06-10 | Canon Res Ct Europe Ltd | Loudspeaker | 
| AT411559B (de) * | 2000-05-15 | 2004-02-25 | Akg Acoustics Gmbh | Elektroakustischer wandler mit kleinen abmessungen | 
| US7065224B2 (en) * | 2001-09-28 | 2006-06-20 | Sonionmicrotronic Nederland B.V. | Microphone for a hearing aid or listening device with improved internal damping and foreign material protection | 
| USD511340S1 (en) * | 2004-01-02 | 2005-11-08 | Daka Development Ltd. | Transducer | 
| USD530706S1 (en) * | 2005-08-30 | 2006-10-24 | Shure Acquisition Holdings, Inc. | Microphone housing | 
| USD531171S1 (en) * | 2005-08-30 | 2006-10-31 | Shure Acquisition Holdings, Inc. | Microphone housing | 
| JP4912034B2 (ja) * | 2006-05-22 | 2012-04-04 | 株式会社オーディオテクニカ | マイクロホン | 
| USD628993S1 (en) * | 2007-10-02 | 2010-12-14 | Phitek Systems Limited | Noise reducing earphone capsule | 
| USD605183S1 (en) * | 2007-11-02 | 2009-12-01 | Sennheiser Electronic Gmbh & Co. Kg | Microphone | 
| USD608353S1 (en) * | 2009-04-24 | 2010-01-19 | Lenntek Corporation | Inline microphone for earphone | 
| US8855350B2 (en) * | 2009-04-28 | 2014-10-07 | Cochlear Limited | Patterned implantable electret microphone | 
| US9060229B2 (en) | 2010-03-30 | 2015-06-16 | Cochlear Limited | Low noise electret microphone | 
| DE102013222231A1 (de) | 2013-10-31 | 2015-04-30 | Sennheiser Electronic Gmbh & Co. Kg | Hörer | 
| JP6265538B2 (ja) * | 2014-05-01 | 2018-01-24 | 株式会社オーディオテクニカ | 複合型マイクロホン | 
| US11012788B2 (en) * | 2018-03-27 | 2021-05-18 | Sony Corporation | Loudspeaker system | 
| USD881168S1 (en) * | 2018-11-09 | 2020-04-14 | Ching-Wen Chen | Straight mini microphone | 
| USD895583S1 (en) * | 2019-02-19 | 2020-09-08 | Shure Acquisition Holdings, Inc. | Microphone | 
| USD904023S1 (en) * | 2019-03-26 | 2020-12-08 | Aska Electronics Co., Ltd. | Wireless earphone | 
| TWM610874U (zh) * | 2020-12-14 | 2021-04-21 | 茂宇科技股份有限公司 | 同軸駐極體揚聲器 | 
| USD1009840S1 (en) | 2021-08-06 | 2024-01-02 | Shure Acquisition Holdings, Inc. | Microphone | 
| USD1025030S1 (en) * | 2022-09-19 | 2024-04-30 | Fujian Eastwest Lifewit Technology Co., Ltd | Microphone | 
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US2958078A (en) * | 1957-06-24 | 1960-10-25 | John S Hickman | Sound signaling system having a variable reluctance transmitter-condenser receiver transducer | 
| US3436492A (en) * | 1966-01-17 | 1969-04-01 | Northern Electric Co | Field effect electroacoustic transducer | 
| US3821490A (en) * | 1970-10-09 | 1974-06-28 | Chester C Pond | Electroacoustic transducer especially electrostatic speakers and systems | 
| JPS5121334B2 (en:Method) * | 1971-08-27 | 1976-07-01 | ||
| DE2155026C3 (de) * | 1971-11-05 | 1974-05-30 | Sennheiser Electronic Dr.-Ing. Fritz Sennheiser, 3002 Wennebostel | Schaltungsanordnung zur Schaltung eines Niederfrequenzkondensatormikrofons | 
| AT323823B (de) * | 1973-06-19 | 1975-07-25 | Akg Akustische Kino Geraete | Schallsender nach dem zweinegsystem, insbesondere für kopphörer | 
| JPS5132320A (en) * | 1974-09-11 | 1976-03-18 | Matsushita Electric Industrial Co Ltd | Hoonsupiika | 
| DE2626652C3 (de) * | 1976-06-15 | 1979-11-22 | Friedemann Dipl.-Ing. 8000 Muenchen Meggl | Regelungsanordnung für Schallsender | 
- 
        1980
        - 1980-07-28 AT AT0392080A patent/AT366862B/de not_active IP Right Cessation
 
- 
        1981
        - 1981-07-07 CA CA000381257A patent/CA1178365A/en not_active Expired
- 1981-07-21 DE DE19813128686 patent/DE3128686A1/de active Granted
- 1981-07-22 JP JP56113802A patent/JPS5753200A/ja active Granted
- 1981-07-23 US US06/286,175 patent/US4447678A/en not_active Expired - Fee Related
- 1981-07-24 FR FR8114477A patent/FR2487619B1/fr not_active Expired
- 1981-07-24 GB GB8122878A patent/GB2081052B/en not_active Expired
- 1981-07-27 ES ES504303A patent/ES504303A0/es active Granted
 
Also Published As
| Publication number | Publication date | 
|---|---|
| ATA392080A (de) | 1981-09-15 | 
| AT366862B (de) | 1982-05-10 | 
| GB2081052A (en) | 1982-02-10 | 
| DE3128686A1 (de) | 1982-03-04 | 
| ES8205490A1 (es) | 1982-06-01 | 
| GB2081052B (en) | 1984-05-16 | 
| US4447678A (en) | 1984-05-08 | 
| CA1178365A (en) | 1984-11-20 | 
| FR2487619A1 (fr) | 1982-01-29 | 
| FR2487619B1 (fr) | 1985-12-13 | 
| JPH0335880B2 (en:Method) | 1991-05-29 | 
| ES504303A0 (es) | 1982-06-01 | 
| JPS5753200A (en) | 1982-03-30 | 
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Legal Events
| Date | Code | Title | Description | 
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |