SE358801B - - Google Patents
Info
- Publication number
- SE358801B SE358801B SE12992/71A SE1299271A SE358801B SE 358801 B SE358801 B SE 358801B SE 12992/71 A SE12992/71 A SE 12992/71A SE 1299271 A SE1299271 A SE 1299271A SE 358801 B SE358801 B SE 358801B
- Authority
- SE
- Sweden
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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE12992/71A SE358801B (en:Method) | 1971-10-13 | 1971-10-13 | |
| US00293123A US3835264A (en) | 1971-10-13 | 1972-09-28 | Semiconductor transducer comprising an electret |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE12992/71A SE358801B (en:Method) | 1971-10-13 | 1971-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE358801B true SE358801B (en:Method) | 1973-08-06 |
Family
ID=20296642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE12992/71A SE358801B (en:Method) | 1971-10-13 | 1971-10-13 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3835264A (en:Method) |
| SE (1) | SE358801B (en:Method) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3921167A (en) * | 1974-06-14 | 1975-11-18 | Ibm | Capacitive circuitboard |
| US4495385A (en) * | 1982-12-02 | 1985-01-22 | Honeywell Inc. | Acoustic microphone |
| US4767973A (en) * | 1987-07-06 | 1988-08-30 | Sarcos Incorporated | Systems and methods for sensing position and movement |
| US4783821A (en) * | 1987-11-25 | 1988-11-08 | The Regents Of The University Of California | IC processed piezoelectric microphone |
| DE3807251A1 (de) * | 1988-03-05 | 1989-09-14 | Sennheiser Electronic | Kapazitiver schallwandler |
| EP1843626A2 (en) * | 2000-04-26 | 2007-10-10 | Hosiden Corporation | Semiconductor electret capacitor microphone |
| US20050224902A1 (en) * | 2002-02-06 | 2005-10-13 | Ramsey Craig C | Wireless substrate-like sensor |
| US7289230B2 (en) | 2002-02-06 | 2007-10-30 | Cyberoptics Semiconductors, Inc. | Wireless substrate-like sensor |
| CN101410690B (zh) * | 2006-02-21 | 2011-11-23 | 赛博光学半导体公司 | 半导体加工工具中的电容性距离感测 |
| US7893697B2 (en) * | 2006-02-21 | 2011-02-22 | Cyberoptics Semiconductor, Inc. | Capacitive distance sensing in semiconductor processing tools |
| WO2008042199A2 (en) | 2006-09-29 | 2008-04-10 | Cyberoptics Semiconductor, Inc. | Particles sensor integrated with substrate |
| TW200849444A (en) * | 2007-04-05 | 2008-12-16 | Cyberoptics Semiconductor Inc | Semiconductor processing system with integrated showerhead distance measuring device |
| US20090015268A1 (en) * | 2007-07-13 | 2009-01-15 | Gardner Delrae H | Device and method for compensating a capacitive sensor measurement for variations caused by environmental conditions in a semiconductor processing environment |
| US8855350B2 (en) * | 2009-04-28 | 2014-10-07 | Cochlear Limited | Patterned implantable electret microphone |
| WO2011123552A1 (en) * | 2010-03-30 | 2011-10-06 | Otologics, Llc | Low noise electret microphone |
| US9241227B2 (en) * | 2011-01-06 | 2016-01-19 | Bose Corporation | Transducer with integrated sensor |
| US10152152B2 (en) * | 2014-10-02 | 2018-12-11 | National Institute Of Advanced Industrial Science And Technology | Electret element and manufacturing method therefor, sensor, electronic circuit, and input device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3436492A (en) * | 1966-01-17 | 1969-04-01 | Northern Electric Co | Field effect electroacoustic transducer |
| US3356915A (en) * | 1966-04-01 | 1967-12-05 | Mallory & Co Inc P R | Mechanical and thermoelectric transducers |
-
1971
- 1971-10-13 SE SE12992/71A patent/SE358801B/xx unknown
-
1972
- 1972-09-28 US US00293123A patent/US3835264A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3835264A (en) | 1974-09-10 |