NO962131L - Hydrofon med lav forvrengning - Google Patents

Hydrofon med lav forvrengning

Info

Publication number
NO962131L
NO962131L NO962131A NO962131A NO962131L NO 962131 L NO962131 L NO 962131L NO 962131 A NO962131 A NO 962131A NO 962131 A NO962131 A NO 962131A NO 962131 L NO962131 L NO 962131L
Authority
NO
Norway
Prior art keywords
elements
hydrophone
amplifying
pressure signal
piezoelectric element
Prior art date
Application number
NO962131A
Other languages
English (en)
Norwegian (no)
Other versions
NO962131D0 (no
Inventor
Louis W Erath
Original Assignee
Syntron Inc
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 Syntron Inc filed Critical Syntron Inc
Publication of NO962131D0 publication Critical patent/NO962131D0/no
Publication of NO962131L publication Critical patent/NO962131L/no

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0603Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a piezoelectric bender, e.g. bimorph
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • G01H11/08Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/122Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
NO962131A 1995-05-26 1996-05-24 Hydrofon med lav forvrengning NO962131L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/452,386 US5541894A (en) 1995-05-26 1995-05-26 Low distortion hydrophone

Publications (2)

Publication Number Publication Date
NO962131D0 NO962131D0 (no) 1996-05-24
NO962131L true NO962131L (no) 1996-11-27

Family

ID=23796255

Family Applications (1)

Application Number Title Priority Date Filing Date
NO962131A NO962131L (no) 1995-05-26 1996-05-24 Hydrofon med lav forvrengning

Country Status (4)

Country Link
US (1) US5541894A (fr)
CA (1) CA2176162C (fr)
GB (1) GB2301258A (fr)
NO (1) NO962131L (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5675556A (en) * 1995-10-19 1997-10-07 Syntron, Inc. Hydrophone structure and method
US5815466A (en) * 1995-12-27 1998-09-29 Syntron, Inc. Hydrophone structure with reverse bend of piezoelectric element
FR2796514B1 (fr) * 1999-07-13 2001-08-17 Inst Francais Du Petrole Hydrophone a faible taux de distorsion
US6498769B1 (en) 2000-08-04 2002-12-24 Input/Output, Inc. Method and apparatus for a non-oil-filled towed array with a novel hydrophone design and uniform buoyancy technique
US7206258B1 (en) 2005-04-13 2007-04-17 United States Of America As Represented By The Secretary Of The Navy Dual response acoustical sensor system
EP2690468B1 (fr) 2012-07-27 2019-03-27 Sercel Flûte de prospection sismique comprenant une compensation d'inclinaison de capteurs directionnels
CN106404158A (zh) * 2016-08-31 2017-02-15 北京越音速科技有限公司 水听器及换能方法、水听装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3187300A (en) * 1963-01-29 1965-06-01 Chesapeake Instr Corp Pressure-compensated transducer
US5029147A (en) * 1969-02-26 1991-07-02 The United States Of America As Represented By The Secretary Of The Navy Acoustic, underwater, telemetry system
US3988620A (en) * 1971-11-26 1976-10-26 Aquatronics, Inc. Transducer having enhanced acceleration cancellation characteristics
GB1435125A (en) * 1972-05-22 1976-05-12 Texas Instruments Inc Seismic cable
US4017824A (en) * 1975-06-06 1977-04-12 The Bendix Corporation Acceleration-insensitive hydrophone
CA1069189A (fr) * 1977-11-25 1980-01-01 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government Preamplificateur modulaire a faible bruit
DE3267853D1 (en) * 1981-02-06 1986-01-23 Emi Ltd Device sensitive to pressure waves
US4509037A (en) * 1981-06-12 1985-04-02 Gould Inc. Enhanced delta modulation encoder
US4977546A (en) * 1982-01-29 1990-12-11 The United States Of America As Represented By The Secretary Of The Navy Signal stabilization in optical hydrophones
US4464739A (en) * 1982-07-26 1984-08-07 The United States Of America As Represented By The Secretary Of The Navy Sampled towed array telemetry
US4799201A (en) * 1983-12-16 1989-01-17 Hydroacoustics, Inc. Methods and apparatus for reducing correlation sidelobe interference in seismic profiling systems
US4833659A (en) * 1984-12-27 1989-05-23 Westinghouse Electric Corp. Sonar apparatus
US5363344A (en) * 1987-08-10 1994-11-08 Sofen Michael E Acoustic sensor having a shell-mounted transducer
US4876675A (en) * 1987-09-12 1989-10-24 Ngk Spark Plug Co., Ltd. Towed piezoelectric cable
US5051799A (en) * 1989-02-17 1991-09-24 Paul Jon D Digital output transducer
US5193077A (en) * 1989-05-15 1993-03-09 Atlantic Richfield Company Method and apparatus for improved seismic prospecting
US5335548A (en) * 1992-06-19 1994-08-09 The United States Of America As Represented By The Department Of Energy Non-linear optical crystal vibration sensing device

Also Published As

Publication number Publication date
GB2301258A (en) 1996-11-27
GB9610607D0 (en) 1996-07-31
CA2176162C (fr) 1998-10-27
NO962131D0 (no) 1996-05-24
CA2176162A1 (fr) 1996-11-27
US5541894A (en) 1996-07-30

Similar Documents

Publication Publication Date Title
KR970707648A (ko) 방향성 음성 신호 프로세서 및 방법(A directional acoustic signal processor and method therefor)
US5649019A (en) Digital apparatus for reducing acoustic feedback
CN101743759A (zh) 串联麦克风
KR840008072A (ko) 자동 등화 장치
NO962131L (no) Hydrofon med lav forvrengning
CN113409810B (zh) 一种联合去混响的回声消除方法
US4069395A (en) Analog dereverberation system
US2198424A (en) Microphone apparatus
KR880004711A (ko) 압전형 필름스피커의 스테레오 시스템
GB1248937A (en) A method of and apparatus for translating voice frequency sound signals into a form audible and comprehensible to severely deaf persons
CN109951766A (zh) 麦克风阵列矫正系统及方法
JP2870176B2 (ja) 光音響セル
Chazan et al. M Veterans
SU712974A1 (ru) Электростатический микрофон
SU698169A1 (ru) Устройство дл приема звука
Lin et al. System of microphone arrays and neural networks for robust speech recognition in multimedia environments
SU784026A1 (ru) Слуховой аппарат
SU1525948A1 (ru) Головка стереофонического микрофона
KR890700298A (ko) 전기음향교환기의 진폭/주파수응답을 보정하는 방법 및 그전기음향교환기
KR970008443B1 (ko) 음성에 의한 음원 발생장치
Kroschel et al. Subband array processing for speech enhancement
SU712826A1 (ru) Способ обнаружени групповых признаком фонем
SU1638801A1 (ru) Устройство коррекции нелинейных искажений электроакустического преобразовател
KR19990016276A (ko) 능동소음제어에서의 제어신호 합성장치
SU862393A1 (ru) Устройство дл воспроизведени звука