IL134096A - Echo cancelling optical microphone - Google Patents
Echo cancelling optical microphoneInfo
- Publication number
- IL134096A IL134096A IL13409600A IL13409600A IL134096A IL 134096 A IL134096 A IL 134096A IL 13409600 A IL13409600 A IL 13409600A IL 13409600 A IL13409600 A IL 13409600A IL 134096 A IL134096 A IL 134096A
- Authority
- IL
- Israel
- Prior art keywords
- source
- light
- signals
- acoustical
- circuit
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 15
- 239000012528 membrane Substances 0.000 claims abstract description 14
- 230000003111 delayed effect Effects 0.000 claims abstract description 4
- 238000002592 echocardiography Methods 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 230000035945 sensitivity Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Circuit For Audible Band Transducer (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL13409600A IL134096A (en) | 2000-01-18 | 2000-01-18 | Echo cancelling optical microphone |
| EP01300256A EP1118840B1 (de) | 2000-01-18 | 2001-01-12 | Optisches Mikrophon mit Echokompensation |
| DE60100135T DE60100135T2 (de) | 2000-01-18 | 2001-01-12 | Optisches Mikrophon mit Echokompensation |
| AT01300256T ATE235671T1 (de) | 2000-01-18 | 2001-01-12 | Optisches mikrophon mit echokompensation |
| US09/764,531 US6498853B2 (en) | 2000-01-18 | 2001-01-16 | Echo-cancelling optical microphone |
| JP2001009442A JP2001244854A (ja) | 2000-01-18 | 2001-01-17 | エコー打消光マイクロフォン |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL13409600A IL134096A (en) | 2000-01-18 | 2000-01-18 | Echo cancelling optical microphone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL134096A0 IL134096A0 (en) | 2001-04-30 |
| IL134096A true IL134096A (en) | 2004-05-12 |
Family
ID=11073721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL13409600A IL134096A (en) | 2000-01-18 | 2000-01-18 | Echo cancelling optical microphone |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6498853B2 (de) |
| EP (1) | EP1118840B1 (de) |
| JP (1) | JP2001244854A (de) |
| AT (1) | ATE235671T1 (de) |
| DE (1) | DE60100135T2 (de) |
| IL (1) | IL134096A (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7668322B2 (en) * | 2001-05-18 | 2010-02-23 | Tpo Hong Kong Holding Limited | Device for detecting pressure fluctuations, display device, recording device and sound reproduction system |
| US10201760B2 (en) | 2002-12-10 | 2019-02-12 | Sony Interactive Entertainment America Llc | System and method for compressing video based on detected intraframe motion |
| CN102543093B (zh) * | 2010-12-29 | 2014-03-12 | 上海博泰悦臻电子设备制造有限公司 | 麦克风装置 |
| WO2011064411A2 (en) | 2011-03-17 | 2011-06-03 | Advanced Bionics Ag | Implantable microphone |
| US8594507B2 (en) * | 2011-06-16 | 2013-11-26 | Honeywell International Inc. | Method and apparatus for measuring gas concentrations |
| US20120321322A1 (en) * | 2011-06-16 | 2012-12-20 | Honeywell International Inc. | Optical microphone |
| US9800985B1 (en) * | 2016-06-01 | 2017-10-24 | Harman International Industries, Incorporated | Wireless microphone locator light |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2247032A1 (en) * | 1973-10-03 | 1975-05-02 | Reibaud Jean | Telephonic system with light modulating microphone - uses optic fibres between microphone and receiver |
| US5333205A (en) * | 1993-03-01 | 1994-07-26 | Motorola, Inc. | Microphone assembly |
| JPH09326730A (ja) * | 1996-06-05 | 1997-12-16 | Matsushita Electric Ind Co Ltd | エコーキャンセル装置 |
-
2000
- 2000-01-18 IL IL13409600A patent/IL134096A/en not_active IP Right Cessation
-
2001
- 2001-01-12 EP EP01300256A patent/EP1118840B1/de not_active Expired - Lifetime
- 2001-01-12 DE DE60100135T patent/DE60100135T2/de not_active Expired - Fee Related
- 2001-01-12 AT AT01300256T patent/ATE235671T1/de not_active IP Right Cessation
- 2001-01-16 US US09/764,531 patent/US6498853B2/en not_active Expired - Fee Related
- 2001-01-17 JP JP2001009442A patent/JP2001244854A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US6498853B2 (en) | 2002-12-24 |
| EP1118840B1 (de) | 2003-03-26 |
| IL134096A0 (en) | 2001-04-30 |
| EP1118840A1 (de) | 2001-07-25 |
| US20010043378A1 (en) | 2001-11-22 |
| DE60100135T2 (de) | 2003-12-18 |
| ATE235671T1 (de) | 2003-04-15 |
| JP2001244854A (ja) | 2001-09-07 |
| DE60100135D1 (de) | 2003-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| KB | Patent renewed | ||
| MM9K | Patent not in force due to non-payment of renewal fees |