FR2466931B1 - Transducteur electro-acoustique directionnel - Google Patents

Transducteur electro-acoustique directionnel

Info

Publication number
FR2466931B1
FR2466931B1 FR8019735A FR8019735A FR2466931B1 FR 2466931 B1 FR2466931 B1 FR 2466931B1 FR 8019735 A FR8019735 A FR 8019735A FR 8019735 A FR8019735 A FR 8019735A FR 2466931 B1 FR2466931 B1 FR 2466931B1
Authority
FR
France
Prior art keywords
electroacoustic transducer
directional
directional electroacoustic
transducer
electroacoustic
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.)
Expired
Application number
FR8019735A
Other languages
English (en)
Other versions
FR2466931A1 (fr
Inventor
John L Butler
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.)
BAE Systems Aerospace Inc
Original Assignee
Hazeltine Corp
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 Hazeltine Corp filed Critical Hazeltine Corp
Publication of FR2466931A1 publication Critical patent/FR2466931A1/fr
Application granted granted Critical
Publication of FR2466931B1 publication Critical patent/FR2466931B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
    • G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
    • G01V1/181—Geophones

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Transducers For Ultrasonic Waves (AREA)
FR8019735A 1979-09-27 1980-09-12 Transducteur electro-acoustique directionnel Expired FR2466931B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/079,768 US4326275A (en) 1979-09-27 1979-09-27 Directional transducer

Publications (2)

Publication Number Publication Date
FR2466931A1 FR2466931A1 (fr) 1981-04-10
FR2466931B1 true FR2466931B1 (fr) 1986-05-23

Family

ID=22152693

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8019735A Expired FR2466931B1 (fr) 1979-09-27 1980-09-12 Transducteur electro-acoustique directionnel

Country Status (8)

Country Link
US (1) US4326275A (fr)
JP (1) JPS5657400A (fr)
AU (1) AU532310B2 (fr)
CA (1) CA1139424A (fr)
DE (1) DE3032221A1 (fr)
FR (1) FR2466931B1 (fr)
GB (1) GB2063006B (fr)
NZ (1) NZ194664A (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4525819A (en) * 1982-12-06 1985-06-25 Oyo Corporation, U.S.A. Horizontal geophone transducer assembly
GB8816979D0 (en) * 1988-07-16 1988-08-17 Arnott M G Motion transducers
JPH04248468A (ja) * 1991-02-04 1992-09-03 Takata Kk 衝撃感知装置
GB2305065B (en) * 1995-09-11 1999-04-21 Ultra Electronics Ltd Difar sensor
US6922374B2 (en) * 2001-04-09 2005-07-26 Input/Output, Inc. Double-ended geophone
US6814179B2 (en) * 2001-05-25 2004-11-09 Input/Output, Inc. Seismic sensing apparatus and method with high-g shock isolation
US6654316B1 (en) 2002-05-03 2003-11-25 John L. Butler Single-sided electro-mechanical transduction apparatus
US6734604B2 (en) * 2002-06-05 2004-05-11 Image Acoustics, Inc. Multimode synthesized beam transduction apparatus
US6950373B2 (en) * 2003-05-16 2005-09-27 Image Acoustics, Inc. Multiply resonant wideband transducer apparatus
US7292503B2 (en) * 2004-05-03 2007-11-06 Image Acoustics, Inc. Multi piston electro-mechanical transduction apparatus
US7372776B2 (en) * 2006-02-23 2008-05-13 Image Acoustics, Inc. Modal acoustic array transduction apparatus
US7692363B2 (en) * 2006-10-02 2010-04-06 Image Acoustics, Inc. Mass loaded dipole transduction apparatus
FR2908329B1 (fr) * 2006-11-14 2011-01-07 Telemaq Dispositif et methode de distribution de fluide par ultrasons
US7453186B1 (en) 2007-10-17 2008-11-18 Image Acoustics, Inc Cantilever driven transduction apparatus
DE102008054533B8 (de) 2007-12-26 2013-02-14 Denso Corporation Ultraschallsensor
CN104919339B (zh) 2012-03-08 2018-01-12 国际壳牌研究有限公司 集成地震监控系统和方法
US10378934B2 (en) * 2015-02-02 2019-08-13 Goodrich Corporation Sensor systems
US9267824B1 (en) * 2015-02-02 2016-02-23 Goodrich Corporation Sensor systems
EP3190389B1 (fr) * 2016-01-08 2019-12-25 Goodrich Corporation Systèmes de capteurs

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB593457A (en) * 1940-09-25 1947-10-17 Sperry Gyroscope Co Inc Improvements in or relating to sensitive instruments particularly vibrometers and accelerometers
US2650991A (en) * 1947-11-14 1953-09-01 Bell Telephone Labor Inc Accelerometer
US2913602A (en) * 1955-11-03 1959-11-17 Ivan L Joy Method and means for transmitting elastic waves
US3283590A (en) * 1964-06-17 1966-11-08 Gen Precision Inc Telemetric accelerometer
US3328752A (en) * 1965-12-20 1967-06-27 Claude C Sims Extended frequency range pressure balanced hydrophone
US3545283A (en) * 1966-07-25 1970-12-08 Electra Scient Corp Non-linear accelerometer
FR95688E (fr) * 1967-05-16 1971-04-16 Inst Francais Du Petrole Nouveau capteur de pression.
US3739327A (en) * 1970-12-16 1973-06-12 Dynamics Corp Massa Div Electroacoustic transducers of the mass loaded vibratile piston type
FR2223926B1 (fr) * 1973-03-27 1978-12-01 Inst Francais Du Petrole
US3893342A (en) * 1973-05-21 1975-07-08 Mark Products Accelerometer
US3891871A (en) * 1974-05-24 1975-06-24 Us Navy Pressure release hemispherical piezoelectric type transducer

Also Published As

Publication number Publication date
JPS5657400A (en) 1981-05-19
GB2063006A (en) 1981-05-28
AU532310B2 (en) 1983-09-22
GB2063006B (en) 1984-02-22
DE3032221A1 (de) 1981-04-16
CA1139424A (fr) 1983-01-11
AU6104780A (en) 1981-04-02
US4326275A (en) 1982-04-20
FR2466931A1 (fr) 1981-04-10
NZ194664A (en) 1983-11-30

Similar Documents

Publication Publication Date Title
DK416277A (da) Elektro-akustisk transducer
DK330580A (da) Elektroakustisk transducer til hoereapparater
NL7903908A (nl) Elektro-akoustische transducent.
KR840005297A (ko) 전기 음향 변환기
BR8006417A (pt) Transdutor de deslocamento
AR216604A1 (es) Transductor electroacustico
FR2466931B1 (fr) Transducteur electro-acoustique directionnel
FR2462837B1 (fr) Transducteur ultrasonore
ES494331A0 (es) Perfeccionamientos en transductores electroacusticos
BE886850A (fr) Transducteur magnetique
DK491680A (da) Lyddaempende maatte
FR2472899B1 (fr) Transducteur electro-acoustique
ES496947A0 (es) Un transductor electroacustico
FI801064A (fi) Helisolerad klaemma foer isolerade ledningar
NL7703582A (nl) Elektro-akoestische transducent.
AT383682B (de) Kraftmesswandler
IT1080558B (it) Trasduttore elettroacustico
BE895154Q (fr) Transducteur de force
AR216250A1 (es) Transductor electroacustico
IT1154054B (it) Trasduttore elettroacustico
AR228018A1 (es) Transductor electroacustico
IT1122128B (it) Trasduttore elettroacustico
PL211844A1 (pl) Magnetoelektryczny przetwornik elektroakustyczny
ES244853Y (es) Megafono
KR830000824U (ko) 전기음향 변환기

Legal Events

Date Code Title Description
ST Notification of lapse