NO932840L - Hydrofon - Google Patents

Hydrofon

Info

Publication number
NO932840L
NO932840L NO932840A NO932840A NO932840L NO 932840 L NO932840 L NO 932840L NO 932840 A NO932840 A NO 932840A NO 932840 A NO932840 A NO 932840A NO 932840 L NO932840 L NO 932840L
Authority
NO
Norway
Prior art keywords
pressure sensor
hydrophone
steel discs
overloadable
extensively
Prior art date
Application number
NO932840A
Other languages
English (en)
Norwegian (no)
Other versions
NO932840D0 (no
Inventor
Helmut Weichart
Manfred Technau
Original Assignee
Prakla Seismos Gmbh
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 Prakla Seismos Gmbh filed Critical Prakla Seismos Gmbh
Publication of NO932840D0 publication Critical patent/NO932840D0/no
Publication of NO932840L publication Critical patent/NO932840L/no

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
    • G01V1/186—Hydrophones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods 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 single piezoelectric element
    • B06B1/0651—Methods 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 single piezoelectric element of circular shape
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
    • G01L9/0052—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0082—Transmitting or indicating the displacement of capsules by electric, electromechanical, magnetic, or electromechanical means
    • G01L9/0083—Transmitting or indicating the displacement of capsules by electric, electromechanical, magnetic, or electromechanical means using variations in ohmic resistance
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49005—Acoustic transducer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
NO932840A 1992-08-11 1993-08-10 Hydrofon NO932840L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4226485A DE4226485C1 (de) 1992-08-11 1992-08-11 Hydrophon, Verfahren zu seiner Herstellung und Verwendung

Publications (2)

Publication Number Publication Date
NO932840D0 NO932840D0 (no) 1993-08-10
NO932840L true NO932840L (no) 1994-02-14

Family

ID=6465258

Family Applications (1)

Application Number Title Priority Date Filing Date
NO932840A NO932840L (no) 1992-08-11 1993-08-10 Hydrofon

Country Status (7)

Country Link
US (1) US5394379A (fr)
EP (1) EP0586828B1 (fr)
AU (1) AU4458093A (fr)
CA (1) CA2103598A1 (fr)
DE (2) DE4226485C1 (fr)
ES (1) ES2102556T3 (fr)
NO (1) NO932840L (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5677894A (en) * 1995-12-27 1997-10-14 Syntron Inc. Hydrophone structure with center pin
US5815466A (en) * 1995-12-27 1998-09-29 Syntron, Inc. Hydrophone structure with reverse bend of piezoelectric element
FR2748183B1 (fr) * 1996-04-29 1998-05-22 Inst Francais Du Petrole Hydrophone et procede pour sa fabrication
US6049511A (en) * 1999-05-07 2000-04-11 Geosensor Corporation High sensitivity fiber optic hydrophone
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
GB0020072D0 (en) 2000-08-16 2000-10-04 Geco As A housing for a seismic sensing element and a seismic sensor
EP1350276A2 (fr) * 2000-10-25 2003-10-08 Washington State University Research Foundation Microtransducteurs piezo-electriques, procedes d'utilisation et procedes de fabrication correspondants
US6571598B2 (en) * 2001-08-13 2003-06-03 The United States Of America As Represented By The Secretary Of The Navy Calibration circuit for use with a differential input preamplifier in a sensor system
US7029488B2 (en) * 2001-08-22 2006-04-18 Gore Enterprise Holdings, Inc. Mechanical thrombectomy device for use in cerebral vessels
FR2853968B1 (fr) * 2003-04-17 2005-06-24 Geophysique Cie Gle Dispositif et procede de mesure d'ondes sismiques
US7573781B2 (en) * 2004-07-30 2009-08-11 Teledyne Technologies Incorporation Streamer cable with enhanced properties
DE202005011044U1 (de) * 2005-07-06 2006-11-16 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Sensorsystem für eine Einklemmschutzvorrichtung
US20080191584A1 (en) * 2007-02-08 2008-08-14 Malkin Matthew C Spring disc energy harvester apparatus and method
US8415860B2 (en) 2007-02-08 2013-04-09 The Boeing Company Spring disc energy harvester apparatus and method
US9321630B2 (en) * 2013-02-20 2016-04-26 Pgs Geophysical As Sensor with vacuum-sealed cavity
EP3739305B1 (fr) * 2016-07-26 2023-06-07 Kistler Holding AG Capteur wim et boitier
CN111337117B (zh) * 2020-04-14 2022-07-05 青岛海洋科学与技术国家实验室发展中心 一种光纤激光水听器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3360664A (en) * 1964-10-30 1967-12-26 Gen Dynamics Corp Electromechanical apparatus
FR2122675A5 (fr) * 1971-01-19 1972-09-01 Inst Francais Du Petrole
US3832762A (en) * 1972-05-22 1974-09-03 Texas Instruments Inc Method of producing a matched parameter acceleration cancelling hydrophone
GB1435125A (en) * 1972-05-22 1976-05-12 Texas Instruments Inc Seismic cable
US5003285A (en) * 1972-09-08 1991-03-26 The United States Of America As Represented By The Secretary Of The Navy Transducer array
US3970878A (en) * 1975-03-31 1976-07-20 Teledyne Exploration Company Piezoelectric transducer unit and hydrophone assembly
DE2941028A1 (de) * 1979-10-10 1981-04-23 Honeywell Inc., Minneapolis, Minn. Hydrophon-schleppkoerper
US4639283A (en) * 1983-12-02 1987-01-27 Nippon Gakki Seizo Kabushiki Kaisha Method for making a diaphragm for an electro-acoustic transducer
NO155599C (no) * 1984-09-19 1987-04-22 Norway Geophysical Co Anordning ved hydrofon.
NO160959C (no) * 1986-09-26 1991-01-29 Geco As Piezoelektrisk hydrofon.
US4709361A (en) * 1986-10-30 1987-11-24 Allied Corporation Flexural disk transducer
DE3931578A1 (de) * 1989-09-22 1991-04-04 Wolf Gmbh Richard Piezoelektrisches membran-hydrophon

Also Published As

Publication number Publication date
CA2103598A1 (fr) 1994-02-12
DE59305576D1 (de) 1997-04-10
EP0586828A2 (fr) 1994-03-16
EP0586828B1 (fr) 1997-03-05
US5394379A (en) 1995-02-28
ES2102556T3 (es) 1997-08-01
AU4458093A (en) 1994-02-17
DE4226485C1 (de) 1993-12-23
NO932840D0 (no) 1993-08-10
EP0586828A3 (fr) 1995-01-18

Similar Documents

Publication Publication Date Title
NO932840L (no) Hydrofon
Tobias Acoustic-emission source location in two dimensions by an array of three sensors
Fox et al. Acoustic detection of a seafloor spreading episode on the Juan de Fuca Ridge using military hydrophone arrays
CA1201524A (fr) Dispositif de diagraphie acoustique a ondes de distorsion quadrupolaires
AU2007201214B2 (en) System and method for determining positions of towed marine source-array elements
CA2401983C (fr) Mosaique de capteurs sagnac repliee
GB2363459A (en) Method and system for reducing effects of sea surface ghost contamination in seismic data
US4536862A (en) Seismic cable assembly having improved transducers
NO20070861L (no) System for demping av havbunnsmultipler i seismiske data.
PT823111E (pt) Aparelho para teste de ultra-sons utilizando meio de acoplamento liquido
GB2410551A8 (en) Determining the orientation of hydrophones in a marine seismic streamer
NO970231L (no) Prosesseringsmetode for kalibrering av et hydrofon-geofon sensor-par
CA2216079A1 (fr) Detection des anomalies de surface d'elements conducteurs allonges par analyse d'impulsions de propagation
NO20010138L (no) Kryssmaling av signaler i en akustisk stromningsmaler
Bungum et al. An exceptional intraplate earthquake sequence in Meløy, Northern Norway
WO2002025260A3 (fr) Procede de controle de soudures par resistance electrique au moyen de capteurs magnetostrictifs
CA2192009A1 (fr) Methode utilisant des donnees sismiques pour corriger des donnees provenant de deux capteurs geophoniques imparfaitement couples
Boccotti et al. A field experiment on the mechanics of irregular gravity waves
NO338813B1 (no) Apparat og fremgangsmåte for å behandle optiske signaler fra to forsinkelsesspoler for å øke det dynamiske området for en Sagnac-basert fiberoptisk sensorgruppering.
CA2395098A1 (fr) Systeme et methodes de detection des signaux de pression generes par un declencheur de puits
EP0209495A3 (fr) Transmetteur de pression de fluide utilisable dans une atmosphère potentiellement explosive
JP2009281892A (ja) インフラサウンド測定センサ
BR9908879A (pt) Sistema de formação de imagem para detecção de objetos subterrâneos e sumarinos e método associado
NO930338L (no) Pakningsanordning til tetting av hull i veggen av et rör i en avviksbrönn, en forankringsinnretning for pakningsanordningen og et verktöy til montering av pakningsanordningen og forankringsinnretningen
Yang et al. Matched-beam processing: Application to a horizontal line array in shallow water