ATE70632T1 - Akustischer wandler. - Google Patents

Akustischer wandler.

Info

Publication number
ATE70632T1
ATE70632T1 AT86309520T AT86309520T ATE70632T1 AT E70632 T1 ATE70632 T1 AT E70632T1 AT 86309520 T AT86309520 T AT 86309520T AT 86309520 T AT86309520 T AT 86309520T AT E70632 T1 ATE70632 T1 AT E70632T1
Authority
AT
Austria
Prior art keywords
barrier
sub
central region
potting material
coaxial cable
Prior art date
Application number
AT86309520T
Other languages
English (en)
Inventor
Richard John Penneck
Peter Nicholas Barnett
David Richard Fox
Michael Charles Booth
Edward Browell Atkinson
Original Assignee
Focas Ltd
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 Focas Ltd filed Critical Focas Ltd
Application granted granted Critical
Publication of ATE70632T1 publication Critical patent/ATE70632T1/de

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
    • G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
    • G01V1/201—Constructional details of seismic cables, e.g. streamers
    • G01V1/208—Constructional details of seismic cables, e.g. streamers having a continuous structure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S310/00—Electrical generator or motor structure
    • Y10S310/80—Piezoelectric polymers, e.g. PVDF

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Engineering & Computer Science (AREA)
  • Geophysics (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measuring Fluid Pressure (AREA)
  • Surgical Instruments (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
AT86309520T 1985-12-05 1986-12-05 Akustischer wandler. ATE70632T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8529976 1985-12-05
EP86309520A EP0225798B1 (de) 1985-12-05 1986-12-05 Akustischer Wandler

Publications (1)

Publication Number Publication Date
ATE70632T1 true ATE70632T1 (de) 1992-01-15

Family

ID=10589288

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86309520T ATE70632T1 (de) 1985-12-05 1986-12-05 Akustischer wandler.

Country Status (7)

Country Link
US (1) US4794295A (de)
EP (1) EP0225798B1 (de)
JP (1) JPS62176300A (de)
AT (1) ATE70632T1 (de)
CA (2) CA1284210C (de)
DE (1) DE3683023D1 (de)
ES (1) ES2027963T3 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5448232A (en) * 1989-05-03 1995-09-05 Mitron Systems Corporation Roadway sensors and method of installing same
JPH03253273A (ja) * 1990-03-01 1991-11-12 Canon Inc 振動波モータの電線接続装置
US5214967A (en) * 1991-03-08 1993-06-01 Helm Instrument Co., Inc. Cylindrical piezoelectric load sensor
US5554907A (en) * 1992-05-08 1996-09-10 Mitron Systems Corporation Vehicle speed measurement apparatus
US5471192A (en) * 1994-01-24 1995-11-28 Dash; Glen Sound producing device stimulated by petting
GB9402878D0 (en) * 1994-02-15 1994-04-06 Colebrand Ltd Piezo-electric transducer
US5646470A (en) * 1994-04-01 1997-07-08 Benthos, Inc. Acoustic transducer
US5552657A (en) * 1995-02-14 1996-09-03 Ocean Power Technologies, Inc. Generation of electrical energy by weighted, resilient piezoelectric elements
US6431591B1 (en) * 1999-02-26 2002-08-13 Wacker Silicones Corporation Airbag sensor deactivator suitable for use in smart airbag system
KR20040077656A (ko) * 2001-10-22 2004-09-06 마이크로제닉스 가부시키가이샤 감압센서 및 그 감압센서를 사용한 모니터
EP1576342A2 (de) * 2002-11-12 2005-09-21 CiDra Corporation Apparat mit einer reihe von aufsteckbaren piezoelektrischen film sensoren zur messung von parametern eines prozessflusses in einem rohr
WO2005015135A2 (en) * 2003-08-08 2005-02-17 Cidra Corporation Piezocable based sensor for measuring unsteady pressures inside a pipe
US7367239B2 (en) 2004-03-23 2008-05-06 Cidra Corporation Piezocable based sensor for measuring unsteady pressures inside a pipe
US7440873B2 (en) * 2005-03-17 2008-10-21 Expro Meters, Inc. Apparatus and method of processing data to improve the performance of a flow monitoring system
US7249525B1 (en) 2005-06-22 2007-07-31 Cidra Corporation Apparatus for measuring parameters of a fluid in a lined pipe
US7503227B2 (en) * 2005-07-13 2009-03-17 Cidra Corporate Services, Inc Method and apparatus for measuring parameters of a fluid flow using an array of sensors
US7675819B2 (en) * 2005-10-17 2010-03-09 The Johns Hopkins University Volumetric passive sonobuoy array of polyvinylidene fluoride (PVDF) wires
BR112012005842A8 (pt) * 2009-09-17 2018-06-26 Quantum Tech Sciences Inc Qtsi método para fazer uma classificação de identidade associado a uma fonte de dados, sistema de sensibilidade responsivo a sinais acústicos ou sísmicos, método para identificar sinais sísmicos ou acústicos de interesse que se originam de veículos de movimento motorizados, método para identificar sinais sísmicos ou acústicos de interesse que se originam do movimento de passos, e, método para identificar sinais sísmicos ou acústicos de interesse que se originam de maquinário fixo ou de movimento
CN102623627B (zh) * 2012-04-06 2014-06-11 天津大学 新型压电复合材料
CN102610740B (zh) * 2012-04-06 2014-02-19 天津大学 螺旋并联高性能压电复合材料的制备方法
US9772220B1 (en) 2013-12-06 2017-09-26 Harris Corporation Hydrophone
US11616190B2 (en) 2017-12-22 2023-03-28 B&L Sensor Technologies, Llc Device and method for sensing underwater sound pressure

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2127311A5 (de) * 1971-03-03 1972-10-13 Inst Francais Du Petrole
FR2145099A5 (de) * 1971-07-08 1973-02-16 Inst Francais Du Petrole
US3750127A (en) * 1971-10-28 1973-07-31 Gen Dynamics Corp Method and means for sensing strain with a piezoelectric strain sensing element
US3862477A (en) * 1973-08-16 1975-01-28 Gen Dynamics Corp Poling process for linear piezoelectric strain transducers
US4183010A (en) * 1975-12-08 1980-01-08 Gte Sylvania Incorporated Pressure compensating coaxial line hydrophone and method
US4322877A (en) * 1978-09-20 1982-04-06 Minnesota Mining And Manufacturing Company Method of making piezoelectric polymeric acoustic transducer
US4300219A (en) * 1979-04-26 1981-11-10 Raytheon Company Bowed elastomeric window
FR2458909B1 (de) * 1979-06-13 1982-12-31 Thomson Csf
US4509947A (en) * 1982-08-02 1985-04-09 Medtronic, Inc. Self-cleaning drug delivery catheter and storage bladder
US4568851A (en) * 1984-09-11 1986-02-04 Raychem Corporation Piezoelectric coaxial cable having a helical inner conductor
US4638207A (en) * 1986-03-19 1987-01-20 Pennwalt Corporation Piezoelectric polymeric film balloon speaker

Also Published As

Publication number Publication date
DE3683023D1 (de) 1992-01-30
EP0225798B1 (de) 1991-12-18
EP0225798A2 (de) 1987-06-16
JPS62176300A (ja) 1987-08-03
EP0225798A3 (en) 1989-01-11
ES2027963T3 (es) 1992-07-01
US4794295A (en) 1988-12-27
CA1288612C (en) 1991-09-10
CA1284210C (en) 1991-05-14

Similar Documents

Publication Publication Date Title
ATE70632T1 (de) Akustischer wandler.
GB2104345B (en) An electroacoustic transducer of the piezoelectric polymer type
MY103630A (en) Electro-acoustic transducer
EP0142215A3 (de) Ultraschallwandler mit verbesserten Schwingungsweisen
DE3486151T2 (de) Piezoelektrische Koaxialkabel.
GB1513530A (en) Piezoelectric transducers
GB1434794A (en) Acoustic energy transmission device
DE69013266T2 (de) Elektrischer Verbinder und Vorrichtung, die einen elektrischen Verbinder und einen gemeinsamen Kontakt einschliesst.
DE3685859T2 (de) Vibrationsempfindlicher transduktor.
IT8209482A0 (it) Sistema per trasformare in segnali elettrici gli spostamenti di una massa di mercurio, per apparecchi di misura ed altro
MX153713A (es) Mejoras en transductor generador de una senal electrica correspondiente a una fuerza de entrada
WO1990016087A3 (en) Piezoelectric device with air-filled kerf
IT8421409A0 (it) Trasduttore di segnali elettrici con un generatore di hall.
EP0251599A3 (de) Akustischer Wandler
GB1061157A (en) Improvements in or relating to the manufacture of an electrically polarised slotted toroid
IT8422757A0 (it) Sistema per la trasmissione bidirezionale di segnali elettrici su una linea conduttrice e strumento indicatore incorporante un tale sistema.
KR910010952A (ko) 전화기 링 신호의 음량 조절회로
DE69841423D1 (de) Hochleistungs-ultraschallmotor
CH612786A5 (en) Composite wire for fencing
JPS6450608A (en) Surface acoustic wave device
SU1420343A1 (ru) Преобразователь неэлектрических величин в электрический сигнал
SU688877A1 (ru) Составной пьезоэлектрический преобразователь
SU620282A1 (ru) Ультразвуковой приемник
JPS6445009A (en) Piezoelectric cable for towing
RO98817B1 (ro) Traductor de nivel antiex

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties