DK1343353T3 - Capacitive transducer - Google Patents
Capacitive transducerInfo
- Publication number
- DK1343353T3 DK1343353T3 DK03076316T DK03076316T DK1343353T3 DK 1343353 T3 DK1343353 T3 DK 1343353T3 DK 03076316 T DK03076316 T DK 03076316T DK 03076316 T DK03076316 T DK 03076316T DK 1343353 T3 DK1343353 T3 DK 1343353T3
- Authority
- DK
- Denmark
- Prior art keywords
- capacitive transducer
- capacitive
- transducer
- Prior art date
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
- H04R19/04—Microphones
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 (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA200001567 | 2000-10-20 | ||
US24567200P | 2000-11-06 | 2000-11-06 | |
EP01978227A EP1329129B1 (en) | 2000-10-20 | 2001-10-19 | A capacitive transducer |
Publications (1)
Publication Number | Publication Date |
---|---|
DK1343353T3 true DK1343353T3 (en) | 2005-04-25 |
Family
ID=27761044
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK03076316T DK1343353T3 (en) | 2000-10-20 | 2001-10-19 | Capacitive transducer |
DK01978227T DK1329129T3 (en) | 2000-10-20 | 2001-10-19 | Capacitive transducer |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK01978227T DK1329129T3 (en) | 2000-10-20 | 2001-10-19 | Capacitive transducer |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1343353B1 (en) |
DK (2) | DK1343353T3 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100604093B1 (en) * | 2004-03-18 | 2006-07-28 | 주식회사 비에스이 | Back plate structure of directional electret condenser microphone |
CN101141832B (en) * | 2006-09-06 | 2011-04-20 | 歌尔声学股份有限公司 | Single membrane capacitance type microphone chip |
CN101272636B (en) * | 2007-03-21 | 2012-07-18 | 歌尔声学股份有限公司 | Capacitor type microphone chip |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3588382A (en) * | 1967-10-11 | 1971-06-28 | Northern Electric Co | Directional electret transducer |
NL7313455A (en) * | 1973-10-01 | 1975-04-03 | Philips Nv | MICROPHONE WITH ELECTROSTATIC CAPSULE. |
DK146770C (en) * | 1981-11-13 | 1984-06-04 | Brueel & Kjaer As | CAPACITY TRANSDUCER |
US5854846A (en) * | 1996-09-06 | 1998-12-29 | Northrop Grumman Corporation | Wafer fabricated electroacoustic transducer |
-
2001
- 2001-10-19 EP EP03076316A patent/EP1343353B1/en not_active Expired - Lifetime
- 2001-10-19 DK DK03076316T patent/DK1343353T3/en active
- 2001-10-19 DK DK01978227T patent/DK1329129T3/en active
Also Published As
Publication number | Publication date |
---|---|
EP1343353A1 (en) | 2003-09-10 |
DK1329129T3 (en) | 2005-04-25 |
EP1343353B1 (en) | 2004-12-15 |
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