JPS5038518A - - Google Patents
Info
- Publication number
- JPS5038518A JPS5038518A JP49071926A JP7192674A JPS5038518A JP S5038518 A JPS5038518 A JP S5038518A JP 49071926 A JP49071926 A JP 49071926A JP 7192674 A JP7192674 A JP 7192674A JP S5038518 A JPS5038518 A JP S5038518A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
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 |
|---|---|---|---|
| AT562473A AT323257B (de) | 1973-06-26 | 1973-06-26 | Kondensatormikrophon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5038518A true JPS5038518A (ja) | 1975-04-10 |
Family
ID=3577829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49071926A Pending JPS5038518A (ja) | 1973-06-26 | 1974-06-25 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3930128A (ja) |
| JP (1) | JPS5038518A (ja) |
| AT (1) | AT323257B (ja) |
| DE (1) | DE2430068C2 (ja) |
| GB (1) | GB1445504A (ja) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4311881A (en) * | 1979-07-05 | 1982-01-19 | Polaroid Corporation | Electrostatic transducer backplate having open ended grooves |
| US4495385A (en) * | 1982-12-02 | 1985-01-22 | Honeywell Inc. | Acoustic microphone |
| US4610062A (en) * | 1982-12-02 | 1986-09-09 | Honeywell Inc. | Method of making an acoustic microphone |
| AT385386B (de) * | 1986-07-24 | 1988-03-25 | Akg Akustische Kino Geraete | Elektrostatischer wandler |
| US6201874B1 (en) * | 1998-12-07 | 2001-03-13 | American Technology Corporation | Electrostatic transducer with nonplanar configured diaphragm |
| AT411513B (de) * | 2000-01-27 | 2004-01-26 | Akg Acoustics Gmbh | Elektroakustischer wandler |
| KR100675508B1 (ko) * | 2005-03-10 | 2007-01-30 | 주식회사 비에스이 | 개선된 콘덴서 마이크로폰 |
| TWI305998B (en) * | 2006-04-10 | 2009-02-01 | Touch Micro System Tech | Method of fabricating a diaphragm of a capacitive microphone device |
| US8472650B2 (en) * | 2008-10-15 | 2013-06-25 | Htc Corporation | Electro-acoustic transducer |
| US8243965B2 (en) * | 2008-10-15 | 2012-08-14 | Htc Corporation | Electro-acoustic transducer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1437420C3 (de) * | 1964-07-21 | 1978-06-22 | Elly 1000 Berlin Neumann Geb. Kosak | Kondensator-Richtmikrophonkapsel |
| US3328653A (en) * | 1966-09-22 | 1967-06-27 | Budd Co | Thin film pressure transducer |
| DE1639444B2 (de) * | 1967-05-15 | 1972-08-03 | Thermo Electron Engineering Corp., Waltham, Mass. (V.StA.) | Elektroakustischer wandler |
-
1973
- 1973-06-26 AT AT562473A patent/AT323257B/de not_active IP Right Cessation
-
1974
- 1974-06-12 US US478735A patent/US3930128A/en not_active Expired - Lifetime
- 1974-06-22 DE DE2430068A patent/DE2430068C2/de not_active Expired
- 1974-06-24 GB GB2799274A patent/GB1445504A/en not_active Expired
- 1974-06-25 JP JP49071926A patent/JPS5038518A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2430068C2 (de) | 1983-05-05 |
| AT323257B (de) | 1975-07-10 |
| DE2430068A1 (de) | 1975-01-16 |
| GB1445504A (en) | 1976-08-11 |
| US3930128A (en) | 1975-12-30 |