AU2002221368A1 - Digital vibration transducer - Google Patents

Digital vibration transducer

Info

Publication number
AU2002221368A1
AU2002221368A1 AU2002221368A AU2136802A AU2002221368A1 AU 2002221368 A1 AU2002221368 A1 AU 2002221368A1 AU 2002221368 A AU2002221368 A AU 2002221368A AU 2136802 A AU2136802 A AU 2136802A AU 2002221368 A1 AU2002221368 A1 AU 2002221368A1
Authority
AU
Australia
Prior art keywords
vibration transducer
digital vibration
digital
transducer
vibration
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU2002221368A
Inventor
Gerry M. Kane
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
K AND H INNOVATIONS
Original Assignee
K AND H INNOVATIONS
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 K AND H INNOVATIONS filed Critical K AND H INNOVATIONS
Publication of AU2002221368A1 publication Critical patent/AU2002221368A1/en
Abandoned legal-status Critical Current

Links

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)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
AU2002221368A 2000-10-26 2001-10-26 Digital vibration transducer Abandoned AU2002221368A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002324572A CA2324572A1 (en) 2000-10-26 2000-10-26 Digital vibration transducer
PCT/CA2001/001524 WO2002035194A1 (en) 2000-10-26 2001-10-26 Digital vibration transducer

Publications (1)

Publication Number Publication Date
AU2002221368A1 true AU2002221368A1 (en) 2002-05-06

Family

ID=4167476

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002221368A Abandoned AU2002221368A1 (en) 2000-10-26 2001-10-26 Digital vibration transducer

Country Status (4)

Country Link
US (1) US20020093881A1 (en)
AU (1) AU2002221368A1 (en)
CA (1) CA2324572A1 (en)
WO (1) WO2002035194A1 (en)

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JP2005157059A (en) * 2003-11-27 2005-06-16 Seiko Epson Corp Illuminating apparatus and projector
US7502481B2 (en) 2004-08-31 2009-03-10 Microsoft Corporation Microphone with ultrasound/audible mixing chamber to secure audio path
SE528004C2 (en) * 2004-12-17 2006-08-01 Totalfoersvarets Forskningsins Device for optical remote listening and systems including such device
US8643846B2 (en) 2007-07-12 2014-02-04 Defence Research And Development Organisation Method and apparatus for the simultaneous generation and detection of optical diffraction interference pattern on a detector
DE102007036262A1 (en) * 2007-08-02 2009-02-05 Robert Bosch Gmbh Radar sensor for motor vehicles
CN101810010B (en) * 2008-10-14 2013-04-17 日本先锋公司 Speaker
US20110233392A1 (en) * 2010-03-26 2011-09-29 Measurement Specialties, Inc. Method and system for using light pulsed sequences to calibrate an encoder
US9372173B2 (en) * 2013-03-14 2016-06-21 Orbital Atk, Inc. Ultrasonic testing phased array inspection fixture and related methods
US9831844B2 (en) * 2014-09-19 2017-11-28 Knowles Electronics, Llc Digital microphone with adjustable gain control
WO2016170723A1 (en) * 2015-04-20 2016-10-27 パナソニックＩｐマネジメント株式会社 Vibration visualization element, vibration measurement system, and method for measuring vibration
FI129285B (en) * 2020-02-11 2021-11-15 Photono Oy Device and method for detecting motion of a surface
CN112461353B (en) * 2020-12-15 2022-07-12 成都陆迪盛华科技有限公司 Encoding device and method for distributed optical fiber vibration sensing under light amplification
CN113340403B (en) * 2021-05-31 2022-08-16 福州大学 Rotating shaft radial vibration measuring method based on circumferential stripes and linear array camera

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3286032A (en) * 1963-06-03 1966-11-15 Itt Digital microphone
US4016556A (en) * 1975-03-31 1977-04-05 Gte Laboratories Incorporated Optically encoded acoustic to digital transducer
JPS57149000U (en) * 1981-03-12 1982-09-18
US4500979A (en) * 1981-09-16 1985-02-19 Western Geophysical Co Of America Optical seismic transducer
US4479265A (en) * 1982-11-26 1984-10-23 Muscatell Ralph P Laser microphone
GB8405638D0 (en) * 1984-03-03 1984-04-04 Monicell Ltd Optical transducer and measuring device
GB2185359B (en) * 1986-01-10 1990-01-17 Rosemount Ltd Optical displacement transducer
US4831376A (en) * 1987-08-05 1989-05-16 Center For Innovative Technology Optical analog-to-digital converter and transducer
US4872348A (en) * 1988-01-28 1989-10-10 Avco Corporation Signal added vibration transducer
ATE106138T1 (en) * 1988-08-12 1994-06-15 Consiglio Nazionale Ricerche FIBEROPTIC VIBRATION SENSOR.
US5146776A (en) * 1990-11-26 1992-09-15 Westinghouse Electric Corp. Method for continuously calibrating an optical vibration sensor
US5262884A (en) * 1991-10-09 1993-11-16 Micro-Optics Technologies, Inc. Optical microphone with vibrating optical element
US5339289A (en) * 1992-06-08 1994-08-16 Erickson Jon W Acoustic and ultrasound sensor with optical amplification
US5333205A (en) * 1993-03-01 1994-07-26 Motorola, Inc. Microphone assembly
GB9405355D0 (en) * 1994-03-18 1994-05-04 Lucas Ind Plc Vibrating element transducer
US5590090A (en) * 1995-03-31 1996-12-31 General Electric Company Ultrasonic detector using vertical cavity surface emitting lasers
US5566135A (en) * 1995-07-11 1996-10-15 The United States Of America As Represented By The Secretary Of The Navy Digital transducer
DE19623504C1 (en) * 1996-06-13 1997-07-10 Deutsche Forsch Luft Raumfahrt Optical microphone using Fabry-Perot interferometer and fibre=optics feed line
US5995260A (en) * 1997-05-08 1999-11-30 Ericsson Inc. Sound transducer and method having light detector for detecting displacement of transducer diaphragm
US5949740A (en) * 1997-06-06 1999-09-07 Litton Systems, Inc. Unbalanced fiber optic Michelson interferometer as an optical pick-off
US6014239C1 (en) * 1997-12-12 2002-04-09 Brookhaven Science Ass Llc Optical microphone
US6147787A (en) * 1997-12-12 2000-11-14 Brookhaven Science Associates Laser microphone
US6154551A (en) * 1998-09-25 2000-11-28 Frenkel; Anatoly Microphone having linear optical transducers
US6590661B1 (en) * 1999-01-20 2003-07-08 J. Mitchell Shnier Optical methods for selectively sensing remote vocal sound waves

Also Published As

Publication number Publication date
CA2324572A1 (en) 2002-04-26
WO2002035194A1 (en) 2002-05-02
US20020093881A1 (en) 2002-07-18

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