DK0764387T3 - Akustisk transducer - Google Patents
Akustisk transducerInfo
- Publication number
- DK0764387T3 DK0764387T3 DK95922208T DK95922208T DK0764387T3 DK 0764387 T3 DK0764387 T3 DK 0764387T3 DK 95922208 T DK95922208 T DK 95922208T DK 95922208 T DK95922208 T DK 95922208T DK 0764387 T3 DK0764387 T3 DK 0764387T3
- Authority
- DK
- Denmark
- Prior art keywords
- acoustic transducer
- acoustic
- 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
- H04R19/01—Electrostatic transducers characterised by the use of electrets
- H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/254,583 US5548658A (en) | 1994-06-06 | 1994-06-06 | Acoustic Transducer |
PCT/US1995/007095 WO1995034185A1 (en) | 1994-06-06 | 1995-06-05 | Acoustic transducer |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0764387T3 true DK0764387T3 (da) | 1999-06-07 |
Family
ID=22964844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK95922208T DK0764387T3 (da) | 1994-06-06 | 1995-06-05 | Akustisk transducer |
Country Status (7)
Country | Link |
---|---|
US (1) | US5548658A (da) |
EP (1) | EP0764387B1 (da) |
AU (1) | AU2697695A (da) |
DE (1) | DE69504665T2 (da) |
DK (1) | DK0764387T3 (da) |
TW (1) | TW296532B (da) |
WO (1) | WO1995034185A1 (da) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6031922A (en) * | 1995-12-27 | 2000-02-29 | Tibbetts Industries, Inc. | Microphone systems of reduced in situ acceleration sensitivity |
DE19612481C2 (de) * | 1996-03-29 | 2003-11-13 | Sennheiser Electronic | Elektrostatischer Wandler |
NL1002880C2 (nl) * | 1996-04-16 | 1997-10-17 | Microtronic Nederland Bv | Elektroakoestische transducent. |
US5802198A (en) * | 1997-02-25 | 1998-09-01 | Northrop Grumman Corporation | Hermetically sealed condenser microphone |
GB2330725B (en) * | 1997-10-24 | 2001-08-15 | Sony Uk Ltd | Microphone |
US6093144A (en) * | 1997-12-16 | 2000-07-25 | Symphonix Devices, Inc. | Implantable microphone having improved sensitivity and frequency response |
AU4520401A (en) * | 1999-12-09 | 2001-06-18 | Sonionmicrotronic Nederland B.V. | Miniature microphone |
US6532293B1 (en) | 2000-02-08 | 2003-03-11 | Knowles Electronics Llc | Acoustical transducer with reduced parasitic capacitance |
WO2001067810A1 (en) * | 2000-03-07 | 2001-09-13 | George Raicevich | A double-capacitor microphone |
US7062058B2 (en) | 2001-04-18 | 2006-06-13 | Sonion Nederland B.V. | Cylindrical microphone having an electret assembly in the end cover |
US6937735B2 (en) * | 2001-04-18 | 2005-08-30 | SonionMicrotronic Néderland B.V. | Microphone for a listening device having a reduced humidity coefficient |
US7136496B2 (en) * | 2001-04-18 | 2006-11-14 | Sonion Nederland B.V. | Electret assembly for a microphone having a backplate with improved charge stability |
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 |
US7239714B2 (en) | 2001-10-09 | 2007-07-03 | Sonion Nederland B.V. | Microphone having a flexible printed circuit board for mounting components |
US7072482B2 (en) | 2002-09-06 | 2006-07-04 | Sonion Nederland B.V. | Microphone with improved sound inlet port |
US8280082B2 (en) * | 2002-10-08 | 2012-10-02 | Sonion Nederland B.V. | Electret assembly for a microphone having a backplate with improved charge stability |
US6926672B2 (en) * | 2002-12-18 | 2005-08-09 | Barbara Ann Karmanos Cancer Institute | Electret acoustic transducer array for computerized ultrasound risk evaluation system |
US7184563B2 (en) * | 2003-03-04 | 2007-02-27 | Knowles Electronics Llc. | Electret condenser microphone |
US7415121B2 (en) * | 2004-10-29 | 2008-08-19 | Sonion Nederland B.V. | Microphone with internal damping |
US10201324B2 (en) | 2007-05-04 | 2019-02-12 | Delphinus Medical Technologies, Inc. | Patient interface system |
US8135163B2 (en) * | 2007-08-30 | 2012-03-13 | Klipsch Group, Inc. | Balanced armature with acoustic low pass filter |
US9763641B2 (en) | 2012-08-30 | 2017-09-19 | Delphinus Medical Technologies, Inc. | Method and system for imaging a volume of tissue with tissue boundary detection |
US10123770B2 (en) | 2013-03-13 | 2018-11-13 | Delphinus Medical Technologies, Inc. | Patient support system |
US9398389B2 (en) | 2013-05-13 | 2016-07-19 | Knowles Electronics, Llc | Apparatus for securing components in an electret condenser microphone (ECM) |
US20150181349A1 (en) * | 2013-12-19 | 2015-06-25 | Knowles Electronics Llc | Microphone Circuit And Motor Assembly |
US10285667B2 (en) | 2014-08-05 | 2019-05-14 | Delphinus Medical Technologies, Inc. | Method for generating an enhanced image of a volume of tissue |
USD842845S1 (en) * | 2017-08-21 | 2019-03-12 | Henan Province Hozel Electronics Co., Ltd. | Housing for a voice coil motor used in a focusing product |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4063050A (en) * | 1976-12-30 | 1977-12-13 | Industrial Research Products, Inc. | Acoustic transducer with improved electret assembly |
US4316062A (en) * | 1979-12-28 | 1982-02-16 | Beveridge Harold N | Electrostatic electroacoustic transducer |
US4701640A (en) * | 1985-03-11 | 1987-10-20 | Telex Communications, Inc. | Electret transducer and method of fabrication |
US4764690A (en) * | 1986-06-18 | 1988-08-16 | Lectret S.A. | Electret transducing |
US4730283A (en) * | 1986-09-15 | 1988-03-08 | Industrial Research Products, Inc. | Acoustic transducer with improved electrode spacing |
US4815560A (en) * | 1987-12-04 | 1989-03-28 | Industrial Research Products, Inc. | Microphone with frequency pre-emphasis |
CA2000466A1 (en) * | 1988-10-13 | 1990-04-13 | Gregory J. Wenkman | Front-loading display frame |
NL9101563A (nl) * | 1991-09-17 | 1993-04-16 | Microtel Bv | Elektroacoustische transducent van het elektreet type. |
US5408534A (en) * | 1992-03-05 | 1995-04-18 | Knowles Electronics, Inc. | Electret microphone assembly, and method of manufacturer |
-
1994
- 1994-06-06 US US08/254,583 patent/US5548658A/en not_active Expired - Lifetime
- 1994-12-30 TW TW083112382A patent/TW296532B/zh not_active IP Right Cessation
-
1995
- 1995-06-05 AU AU26976/95A patent/AU2697695A/en not_active Abandoned
- 1995-06-05 EP EP95922208A patent/EP0764387B1/en not_active Expired - Lifetime
- 1995-06-05 DK DK95922208T patent/DK0764387T3/da active
- 1995-06-05 DE DE69504665T patent/DE69504665T2/de not_active Expired - Lifetime
- 1995-06-05 WO PCT/US1995/007095 patent/WO1995034185A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
TW296532B (da) | 1997-01-21 |
WO1995034185A1 (en) | 1995-12-14 |
EP0764387B1 (en) | 1998-09-09 |
EP0764387A1 (en) | 1997-03-26 |
US5548658A (en) | 1996-08-20 |
AU2697695A (en) | 1996-01-04 |
DE69504665D1 (de) | 1998-10-15 |
DE69504665T2 (de) | 1999-05-06 |
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