NO20015552D0 - Hyperfölsom forskyvningssensor I - diffraktivt mönster - Google Patents
Hyperfölsom forskyvningssensor I - diffraktivt mönsterInfo
- Publication number
- NO20015552D0 NO20015552D0 NO20015552A NO20015552A NO20015552D0 NO 20015552 D0 NO20015552 D0 NO 20015552D0 NO 20015552 A NO20015552 A NO 20015552A NO 20015552 A NO20015552 A NO 20015552A NO 20015552 D0 NO20015552 D0 NO 20015552D0
- Authority
- NO
- Norway
- Prior art keywords
- hyper
- displacement sensor
- diffractive pattern
- sensing displacement
- sensing
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0076—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means
- G01L9/0077—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measuring Fluid Pressure (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Optical Transform (AREA)
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20015552A NO315397B1 (no) | 2001-11-13 | 2001-11-13 | Optisk forskyvnings-sensor |
ES02780194T ES2279894T3 (es) | 2001-11-13 | 2002-11-13 | Elemento sensor de desplazamiento optico. |
SI200230512T SI1446979T1 (sl) | 2001-11-13 | 2002-11-13 | Optični element senzorja premikov |
PCT/NO2002/000422 WO2003043377A1 (en) | 2001-11-13 | 2002-11-13 | Optical displacement sensor element |
PT02780194T PT1446979E (pt) | 2001-11-13 | 2002-11-13 | Elemento óptico de detecção de movimento |
US10/495,224 US7184368B2 (en) | 2001-11-13 | 2002-11-13 | Optical displacement sensor element |
EP02780194A EP1446979B1 (en) | 2001-11-13 | 2002-11-13 | Optical displacement sensor element |
DE60217535T DE60217535T2 (de) | 2001-11-13 | 2002-11-13 | Optisches versetzungssensorelement |
CA002465299A CA2465299C (en) | 2001-11-13 | 2002-11-13 | Optical displacement sensor element |
DK02780194T DK1446979T3 (da) | 2001-11-13 | 2002-11-13 | Oprisk forskydningssensorelement |
CY20071100462T CY1106434T1 (el) | 2001-11-13 | 2007-04-03 | Στοιχειο αισθητηρα οπτικης μετατοπισης |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20015552A NO315397B1 (no) | 2001-11-13 | 2001-11-13 | Optisk forskyvnings-sensor |
Publications (3)
Publication Number | Publication Date |
---|---|
NO20015552D0 true NO20015552D0 (no) | 2001-11-13 |
NO20015552L NO20015552L (no) | 2003-05-14 |
NO315397B1 NO315397B1 (no) | 2003-08-25 |
Family
ID=19913018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO20015552A NO315397B1 (no) | 2001-11-13 | 2001-11-13 | Optisk forskyvnings-sensor |
Country Status (11)
Country | Link |
---|---|
US (1) | US7184368B2 (no) |
EP (1) | EP1446979B1 (no) |
CA (1) | CA2465299C (no) |
CY (1) | CY1106434T1 (no) |
DE (1) | DE60217535T2 (no) |
DK (1) | DK1446979T3 (no) |
ES (1) | ES2279894T3 (no) |
NO (1) | NO315397B1 (no) |
PT (1) | PT1446979E (no) |
SI (1) | SI1446979T1 (no) |
WO (1) | WO2003043377A1 (no) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO315397B1 (no) * | 2001-11-13 | 2003-08-25 | Sinvent As | Optisk forskyvnings-sensor |
NO321281B1 (no) * | 2004-09-15 | 2006-04-18 | Sintef | Infrarod kilde |
US7355720B1 (en) | 2005-12-20 | 2008-04-08 | Sandia Corporation | Optical displacement sensor |
US7583390B2 (en) * | 2006-03-02 | 2009-09-01 | Symphony Acoustics, Inc. | Accelerometer comprising an optically resonant cavity |
US7355723B2 (en) * | 2006-03-02 | 2008-04-08 | Symphony Acoustics, Inc. | Apparatus comprising a high-signal-to-noise displacement sensor and method therefore |
US7359067B2 (en) * | 2006-04-07 | 2008-04-15 | Symphony Acoustics, Inc. | Optical displacement sensor comprising a wavelength-tunable optical source |
US7551295B2 (en) * | 2006-06-01 | 2009-06-23 | Symphony Acoustics, Inc. | Displacement sensor |
US7894618B2 (en) * | 2006-07-28 | 2011-02-22 | Symphony Acoustics, Inc. | Apparatus comprising a directionality-enhanced acoustic sensor |
US7626707B2 (en) * | 2007-10-29 | 2009-12-01 | Symphony Acoustics, Inc. | Dual cavity displacement sensor |
US8007609B2 (en) * | 2007-10-31 | 2011-08-30 | Symphony Acoustics, Inc. | Parallel plate arrangement and method of formation |
US8390916B2 (en) | 2010-06-29 | 2013-03-05 | Qualcomm Mems Technologies, Inc. | System and method for false-color sensing and display |
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 |
NO20130884A1 (no) | 2013-06-21 | 2014-12-22 | Sinvent As | Sensorelement med optisk forskyvning |
NO20140263A1 (no) | 2014-02-28 | 2015-08-31 | Pgs Geophysical As | Optisk bevegelsessensor |
JP6839648B2 (ja) * | 2014-07-15 | 2021-03-10 | ルミレッズ ホールディング ベーフェー | 車両照明モジュール |
GB201506046D0 (en) | 2015-04-09 | 2015-05-27 | Sinvent As | Speech recognition |
NO343314B1 (no) | 2015-11-29 | 2019-01-28 | Tunable As | Optisk trykksensor |
GB201708100D0 (en) * | 2017-05-19 | 2017-07-05 | Sintef | Input device |
GB201807889D0 (en) | 2018-05-15 | 2018-06-27 | Sintef Tto As | Microphone housing |
CN112449295A (zh) * | 2019-08-30 | 2021-03-05 | 华为技术有限公司 | 麦克风芯片、麦克风及终端设备 |
GB202016827D0 (en) * | 2020-10-23 | 2020-12-09 | Ams Int Ag | Acoustic sensor |
CN114623918A (zh) * | 2022-02-28 | 2022-06-14 | 浙江大学 | 一种采用抗拉涂层增敏的低通滤波光纤光栅水听器 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8320629D0 (en) | 1983-07-30 | 1983-09-01 | Pa Consulting Services | Displacement measuring apparatus |
US4496425A (en) | 1984-01-30 | 1985-01-29 | At&T Technologies, Inc. | Technique for determining the end point of an etching process |
JP2862417B2 (ja) | 1990-11-16 | 1999-03-03 | キヤノン株式会社 | 変位測定装置及び方法 |
NL9400974A (nl) | 1994-06-15 | 1996-01-02 | Hollandse Signaalapparaten Bv | Instelbare Fresnel zoneplaat. |
DE19523526C2 (de) * | 1995-06-28 | 1999-03-25 | Fraunhofer Ges Forschung | Mikrooptisches Bauelement |
US5794023A (en) | 1996-05-31 | 1998-08-11 | International Business Machines Corporation | Apparatus utilizing a variably diffractive radiation element |
US5748564A (en) * | 1997-04-09 | 1998-05-05 | General Electric Company | Amplified acousto-optical vibration sensor and ultrasonic transducer array |
WO1999029139A2 (de) * | 1997-12-03 | 1999-06-10 | Sennheiser Electronic Gmbh & Co. Kg | Optischer schallsensor, insbesondere mikrofon, mit zusätzlicher spiegelungseinrichtung |
IL137069A0 (en) * | 2000-06-28 | 2001-06-14 | Phone Or Ltd | Optical microphone sensor |
IL139065A0 (en) * | 2000-10-16 | 2001-11-25 | Phone Or Ltd | Optical heads for optical microphone sensors |
US6643025B2 (en) * | 2001-03-29 | 2003-11-04 | Georgia Tech Research Corporation | Microinterferometer for distance measurements |
NO315397B1 (no) * | 2001-11-13 | 2003-08-25 | Sinvent As | Optisk forskyvnings-sensor |
US7116430B2 (en) * | 2002-03-29 | 2006-10-03 | Georgia Technology Research Corporation | Highly-sensitive displacement-measuring optical device |
-
2001
- 2001-11-13 NO NO20015552A patent/NO315397B1/no not_active IP Right Cessation
-
2002
- 2002-11-13 CA CA002465299A patent/CA2465299C/en not_active Expired - Lifetime
- 2002-11-13 US US10/495,224 patent/US7184368B2/en not_active Expired - Lifetime
- 2002-11-13 EP EP02780194A patent/EP1446979B1/en not_active Expired - Lifetime
- 2002-11-13 DK DK02780194T patent/DK1446979T3/da active
- 2002-11-13 ES ES02780194T patent/ES2279894T3/es not_active Expired - Lifetime
- 2002-11-13 WO PCT/NO2002/000422 patent/WO2003043377A1/en active IP Right Grant
- 2002-11-13 PT PT02780194T patent/PT1446979E/pt unknown
- 2002-11-13 DE DE60217535T patent/DE60217535T2/de not_active Expired - Lifetime
- 2002-11-13 SI SI200230512T patent/SI1446979T1/sl unknown
-
2007
- 2007-04-03 CY CY20071100462T patent/CY1106434T1/el unknown
Also Published As
Publication number | Publication date |
---|---|
EP1446979B1 (en) | 2007-01-10 |
NO315397B1 (no) | 2003-08-25 |
WO2003043377A1 (en) | 2003-05-22 |
NO20015552L (no) | 2003-05-14 |
US20050018541A1 (en) | 2005-01-27 |
ES2279894T3 (es) | 2007-09-01 |
DE60217535D1 (de) | 2007-02-22 |
CA2465299C (en) | 2009-03-24 |
US7184368B2 (en) | 2007-02-27 |
SI1446979T1 (sl) | 2007-06-30 |
EP1446979A1 (en) | 2004-08-18 |
CY1106434T1 (el) | 2011-10-12 |
PT1446979E (pt) | 2007-04-30 |
DE60217535T2 (de) | 2007-11-15 |
DK1446979T3 (da) | 2007-05-14 |
CA2465299A1 (en) | 2003-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CHAD | Change of the owner's name or address (par. 44 patent law, par. patentforskriften) |
Owner name: SINTEF TTO, NO |
|
MM1K | Lapsed by not paying the annual fees |