FI20060259A0 - Arrangemang för optiks audiomikrofon - Google Patents

Arrangemang för optiks audiomikrofon

Info

Publication number
FI20060259A0
FI20060259A0 FI20060259A FI20060259A FI20060259A0 FI 20060259 A0 FI20060259 A0 FI 20060259A0 FI 20060259 A FI20060259 A FI 20060259A FI 20060259 A FI20060259 A FI 20060259A FI 20060259 A0 FI20060259 A0 FI 20060259A0
Authority
FI
Finland
Prior art keywords
optics
arrangement
audio microphone
microphone
audio
Prior art date
Application number
FI20060259A
Other languages
English (en)
Finnish (fi)
Inventor
Ismo Kauppinen
Original Assignee
Noveltech Solutions Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Noveltech Solutions Oy filed Critical Noveltech Solutions Oy
Priority to FI20060259A priority Critical patent/FI20060259A0/sv
Publication of FI20060259A0 publication Critical patent/FI20060259A0/sv
Priority to EP07103983A priority patent/EP1835783A3/en
Priority to US11/724,201 priority patent/US7521668B2/en
Priority to CNA2007100878139A priority patent/CN101043762A/zh

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/008Transducers other than those covered by groups H04R9/00 - H04R21/00 using optical signals for detecting or generating sound
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00Microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
FI20060259A 2006-03-17 2006-03-17 Arrangemang för optiks audiomikrofon FI20060259A0 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI20060259A FI20060259A0 (sv) 2006-03-17 2006-03-17 Arrangemang för optiks audiomikrofon
EP07103983A EP1835783A3 (en) 2006-03-17 2007-03-13 An optical audio microphone arrangement
US11/724,201 US7521668B2 (en) 2006-03-17 2007-03-15 Optical audio microphone arrangement including a Michelson type interferometer for providing a phase difference between different parts of light beams
CNA2007100878139A CN101043762A (zh) 2006-03-17 2007-03-19 光学音频麦克风设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20060259A FI20060259A0 (sv) 2006-03-17 2006-03-17 Arrangemang för optiks audiomikrofon

Publications (1)

Publication Number Publication Date
FI20060259A0 true FI20060259A0 (sv) 2006-03-17

Family

ID=36191934

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20060259A FI20060259A0 (sv) 2006-03-17 2006-03-17 Arrangemang för optiks audiomikrofon

Country Status (4)

Country Link
US (1) US7521668B2 (sv)
EP (1) EP1835783A3 (sv)
CN (1) CN101043762A (sv)
FI (1) FI20060259A0 (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5507045B2 (ja) * 2006-12-15 2014-05-28 石原産業株式会社 アントラニルアミド系化合物の製造方法
US9277330B2 (en) * 2008-09-29 2016-03-01 Technion Research And Development Foundation Ltd. Optical pin-point microphone
FI20095619A0 (sv) * 2009-06-04 2009-06-04 Gasera Ltd System och förfarande för mätning av relativ rörelse
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
CN102543065B (zh) * 2011-12-31 2013-11-20 中国科学院半导体研究所 基于激光多普勒干涉的语音检测系统
CN102543064A (zh) * 2011-12-31 2012-07-04 中国科学院半导体研究所 基于激光多普勒干涉的语音检测系统
CN105319990B (zh) * 2015-11-19 2018-03-30 北京工业大学 一种音频信号控制输出光信号的方法
CN108426630B (zh) * 2017-12-14 2020-11-10 北京遥测技术研究所 一种双迈克尔逊干涉式测声传感器
EP3628990B1 (en) * 2018-09-26 2021-08-25 ams International AG Integrated optical transducer and method for detecting dynamic pressure changes
US10976151B2 (en) * 2018-12-26 2021-04-13 Industrial Technology Research Institute Optical interferometer with reference arm longer than sample arm

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1709762A (en) 1926-10-07 1929-04-16 Westinghouse Electric & Mfg Co Interferometer microphone
US3470329A (en) 1966-02-09 1969-09-30 Block Engineering Interferometer microphone
US3387494A (en) 1966-04-28 1968-06-11 Marcel J.E. Golay Tensioned membrane
FR2050890A5 (sv) * 1969-06-27 1971-04-02 Bernard Patrice
US3842353A (en) * 1973-02-23 1974-10-15 Nat Res Dev Photoelectric transducer
US4160600A (en) 1976-09-23 1979-07-10 Smiths Industries Limited Pressure-responsive apparatus
US4665747A (en) 1985-04-19 1987-05-19 Muscatell Ralph P Flight instrument using light interference for pressure sensing
US4942767A (en) 1986-11-19 1990-07-24 Massachusetts Institute Of Technology Pressure transducer apparatus
US4926696A (en) * 1986-11-19 1990-05-22 Massachusetts Institute Of Technology Optical micropressure transducer
US5029023A (en) 1989-09-29 1991-07-02 Regents Of The University Of California Laser-amplified motion detector and method
US6014239C1 (en) * 1997-12-12 2002-04-09 Brookhaven Science Ass Llc Optical microphone
KR100437142B1 (ko) 2001-12-07 2004-06-25 에피밸리 주식회사 광 마이크로 폰
FI118548B (sv) * 2002-09-30 2007-12-14 Noveltech Solutions Ltd Fotoakustisk detektor
FI116859B (sv) 2002-09-30 2006-03-15 Noveltech Solutions Ltd Fotoakustisk detektor
US6901176B2 (en) 2002-10-15 2005-05-31 University Of Maryland Fiber tip based sensor system for acoustic measurements

Also Published As

Publication number Publication date
US7521668B2 (en) 2009-04-21
US20070215798A1 (en) 2007-09-20
EP1835783A2 (en) 2007-09-19
EP1835783A3 (en) 2011-01-26
CN101043762A (zh) 2007-09-26

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Legal Events

Date Code Title Description
FD Application lapsed