JPS5337737B2 - - Google Patents
Info
- Publication number
- JPS5337737B2 JPS5337737B2 JP11695577A JP11695577A JPS5337737B2 JP S5337737 B2 JPS5337737 B2 JP S5337737B2 JP 11695577 A JP11695577 A JP 11695577A JP 11695577 A JP11695577 A JP 11695577A JP S5337737 B2 JPS5337737 B2 JP S5337737B2
- 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.)
- Expired
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
- H04R19/01—Electrostatic transducers characterised by the use of electrets
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 |
|---|---|---|---|
| US05/728,604 US4046974A (en) | 1976-10-01 | 1976-10-01 | Electroacoustic transducer with springs forming electrical interconnections as a result of assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5343514A JPS5343514A (en) | 1978-04-19 |
| JPS5337737B2 true JPS5337737B2 (US20090163788A1-20090625-C00002.png) | 1978-10-11 |
Family
ID=24927526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11695577A Granted JPS5343514A (en) | 1976-10-01 | 1977-09-30 | Electroacoustic transducer |
Country Status (4)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5754399Y2 (US20090163788A1-20090625-C00002.png) * | 1978-02-20 | 1982-11-25 | ||
| NL7802688A (nl) * | 1978-03-13 | 1979-09-17 | Philips Nv | Inrichting voor het omzetten van akoestische in elektrische trillingen en omgekeerd, voor- zien van tenminste een kondensator elektreet- element aangesloten op een elektronische schakeling. |
| US4443666A (en) * | 1980-11-24 | 1984-04-17 | Gentex Corporation | Electret microphone assembly |
| US4436648A (en) * | 1980-12-22 | 1984-03-13 | Bell Telephone Laboratories, Incorporated | Electrically conducting thermoplastic material, its manufacture, and resulting article |
| US4492825A (en) * | 1982-07-28 | 1985-01-08 | At&T Bell Laboratories | Electroacoustic transducer |
| GB2234135A (en) * | 1989-07-21 | 1991-01-23 | Micro Metallic Ltd | Improved electrode and method of production thereof |
| FI103747B (fi) * | 1998-01-29 | 1999-08-31 | Emf Acoustics Oy Ltd | Värähtelymuunninyksikkö |
| JP2007043327A (ja) * | 2005-08-01 | 2007-02-15 | Star Micronics Co Ltd | コンデンサマイクロホン |
| US10856084B2 (en) | 2016-03-04 | 2020-12-01 | Frank Joseph Pompei | Ultrasonic transducer with tensioned film |
| JP7130980B2 (ja) | 2018-02-22 | 2022-09-06 | 横河電機株式会社 | ハウジング |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3430146A (en) * | 1966-11-02 | 1969-02-25 | Admiral Corp | Remote control microphone biasing circuit |
| US3663768A (en) * | 1971-01-15 | 1972-05-16 | Northern Electric Co | Electret transducer |
| US3816671A (en) * | 1972-04-06 | 1974-06-11 | Thermo Electron Corp | Electret transducer cartridge and case |
-
1976
- 1976-10-01 US US05/728,604 patent/US4046974A/en not_active Expired - Lifetime
-
1977
- 1977-09-14 CA CA286,751A patent/CA1082350A/en not_active Expired
- 1977-09-29 GB GB40509/77A patent/GB1567408A/en not_active Expired
- 1977-09-30 JP JP11695577A patent/JPS5343514A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5343514A (en) | 1978-04-19 |
| CA1082350A (en) | 1980-07-22 |
| US4046974A (en) | 1977-09-06 |
| GB1567408A (en) | 1980-05-14 |
