IL138460A0 - Directional optical microphones - Google Patents
Directional optical microphonesInfo
- Publication number
- IL138460A0 IL138460A0 IL13846000A IL13846000A IL138460A0 IL 138460 A0 IL138460 A0 IL 138460A0 IL 13846000 A IL13846000 A IL 13846000A IL 13846000 A IL13846000 A IL 13846000A IL 138460 A0 IL138460 A0 IL 138460A0
- Authority
- IL
- Israel
- Prior art keywords
- directional optical
- optical microphones
- microphones
- directional
- optical
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/008—Transducers other than those covered by groups H04R9/00 - H04R21/00 using optical signals for detecting or generating sound
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL13846000A IL138460A0 (en) | 2000-09-14 | 2000-09-14 | Directional optical microphones |
DE1191811T DE1191811T1 (de) | 2000-09-14 | 2001-03-27 | Optische Richtmikrofonen |
EP01302814A EP1191811A1 (en) | 2000-09-14 | 2001-03-27 | Directional optical microphones |
JP2002526796A JP2004509495A (ja) | 2000-09-14 | 2001-09-10 | 指向性光マイク |
AU2001290218A AU2001290218A1 (en) | 2000-09-14 | 2001-09-10 | Directional optical microphones |
US10/129,731 US20020164043A1 (en) | 2000-09-14 | 2001-09-10 | Directional optical microphones |
PCT/IL2001/000853 WO2002023947A1 (en) | 2000-09-14 | 2001-09-10 | Directional optical microphones |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL13846000A IL138460A0 (en) | 2000-09-14 | 2000-09-14 | Directional optical microphones |
Publications (1)
Publication Number | Publication Date |
---|---|
IL138460A0 true IL138460A0 (en) | 2001-10-31 |
Family
ID=11074629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL13846000A IL138460A0 (en) | 2000-09-14 | 2000-09-14 | Directional optical microphones |
Country Status (7)
Country | Link |
---|---|
US (1) | US20020164043A1 (xx) |
EP (1) | EP1191811A1 (xx) |
JP (1) | JP2004509495A (xx) |
AU (1) | AU2001290218A1 (xx) |
DE (1) | DE1191811T1 (xx) |
IL (1) | IL138460A0 (xx) |
WO (1) | WO2002023947A1 (xx) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7903835B2 (en) * | 2006-10-18 | 2011-03-08 | The Research Foundation Of State University Of New York | Miniature non-directional microphone |
DE102006059850B4 (de) * | 2006-12-15 | 2008-10-23 | Diehl Ako Stiftung & Co. Kg | Optischer Sensor |
US9181086B1 (en) | 2012-10-01 | 2015-11-10 | The Research Foundation For The State University Of New York | Hinged MEMS diaphragm and method of manufacture therof |
US20150365770A1 (en) * | 2014-06-11 | 2015-12-17 | Knowles Electronics, Llc | MEMS Device With Optical Component |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3127406C2 (de) * | 1981-07-10 | 1986-03-27 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Modulationsvorrichtung zur optischen Signalübertragung |
JP2541621B2 (ja) * | 1988-04-20 | 1996-10-09 | 株式会社プリモ | 指向性マイクロホン |
US5282245A (en) * | 1990-08-13 | 1994-01-25 | Shure Brothers, Incorporated | Tubular bi-directional microphone with flared entries |
US5732143A (en) * | 1992-10-29 | 1998-03-24 | Andrea Electronics Corp. | Noise cancellation apparatus |
US5226076A (en) * | 1993-02-28 | 1993-07-06 | At&T Bell Laboratories | Directional microphone assembly |
DE19623504C1 (de) * | 1996-06-13 | 1997-07-10 | Deutsche Forsch Luft Raumfahrt | Optisches Mikrophon |
IL120464A (en) * | 1997-03-17 | 2000-01-31 | Phone Or Ltd | Sensor and method for measuring distances to and/or physical properties of a medium |
US6301034B1 (en) * | 1997-10-22 | 2001-10-09 | John R. Speciale | Pulsed laser microphone |
US6014239C1 (en) * | 1997-12-12 | 2002-04-09 | Brookhaven Science Ass Llc | Optical microphone |
US6154551A (en) * | 1998-09-25 | 2000-11-28 | Frenkel; Anatoly | Microphone having linear optical transducers |
-
2000
- 2000-09-14 IL IL13846000A patent/IL138460A0/xx unknown
-
2001
- 2001-03-27 DE DE1191811T patent/DE1191811T1/de active Pending
- 2001-03-27 EP EP01302814A patent/EP1191811A1/en not_active Withdrawn
- 2001-09-10 US US10/129,731 patent/US20020164043A1/en not_active Abandoned
- 2001-09-10 JP JP2002526796A patent/JP2004509495A/ja active Pending
- 2001-09-10 WO PCT/IL2001/000853 patent/WO2002023947A1/en active Application Filing
- 2001-09-10 AU AU2001290218A patent/AU2001290218A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE1191811T1 (de) | 2002-10-17 |
WO2002023947A1 (en) | 2002-03-21 |
US20020164043A1 (en) | 2002-11-07 |
EP1191811A1 (en) | 2002-03-27 |
JP2004509495A (ja) | 2004-03-25 |
AU2001290218A1 (en) | 2002-03-26 |
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