DE69713169D1 - Akustische quelle - Google Patents

Akustische quelle

Info

Publication number
DE69713169D1
DE69713169D1 DE69713169T DE69713169T DE69713169D1 DE 69713169 D1 DE69713169 D1 DE 69713169D1 DE 69713169 T DE69713169 T DE 69713169T DE 69713169 T DE69713169 T DE 69713169T DE 69713169 D1 DE69713169 D1 DE 69713169D1
Authority
DE
Germany
Prior art keywords
acoustic source
acoustic
source
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 - Lifetime
Application number
DE69713169T
Other languages
English (en)
Inventor
Rune Tenghamn
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.)
PGS Geophysical AS
Original Assignee
UNACO SYSTEMS VASTERAS AB
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 UNACO SYSTEMS VASTERAS AB filed Critical UNACO SYSTEMS VASTERAS AB
Application granted granted Critical
Publication of DE69713169D1 publication Critical patent/DE69713169D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01V1/02—Generating seismic energy
    • G01V1/143—Generating seismic energy using mechanical driving means, e.g. motor driven shaft
    • G01V1/145—Generating seismic energy using mechanical driving means, e.g. motor driven shaft by deforming or displacing surfaces, e.g. by mechanically driven vibroseis™
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/121—Flextensional transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/44—Special adaptations for subaqueous use, e.g. for hydrophone
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/30—Assessment of water resources
DE69713169T 1996-04-30 1997-03-05 Akustische quelle Expired - Lifetime DE69713169D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO961764A NO303472B1 (no) 1996-04-30 1996-04-30 Akustisk sender
PCT/NO1997/000063 WO1997041453A1 (en) 1996-04-30 1997-03-05 Acoustic source i

Publications (1)

Publication Number Publication Date
DE69713169D1 true DE69713169D1 (de) 2002-07-11

Family

ID=19899330

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69713169T Expired - Lifetime DE69713169D1 (de) 1996-04-30 1997-03-05 Akustische quelle

Country Status (6)

Country Link
US (1) US6041888A (de)
EP (1) EP1015912B1 (de)
AU (1) AU2106897A (de)
DE (1) DE69713169D1 (de)
NO (1) NO303472B1 (de)
WO (1) WO1997041453A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2786957B1 (fr) * 1998-12-07 2001-02-23 Sfim Ind Actionneur piezo-electrique ou electrostrictif
FI119455B (fi) * 2003-06-18 2008-11-14 Patria Advanced Solutions Oy Vedenalainen äänilähde
US7551518B1 (en) 2008-02-26 2009-06-23 Pgs Geophysical As Driving means for acoustic marine vibrator
US8094514B2 (en) * 2008-11-07 2012-01-10 Pgs Geophysical As Seismic vibrator array and method for using
US7974152B2 (en) * 2009-06-23 2011-07-05 Pgs Geophysical As Control system for marine vibrators and seismic acquisition system using such control system
US8335127B2 (en) * 2009-08-12 2012-12-18 Pgs Geophysical As Method for generating spread spectrum driver signals for a seismic vibrator array using multiple biphase modulation operations in each driver signal chip
US8446798B2 (en) 2010-06-29 2013-05-21 Pgs Geophysical As Marine acoustic vibrator having enhanced low-frequency amplitude
US8670292B2 (en) 2011-08-12 2014-03-11 Pgs Geophysical As Electromagnetic linear actuators for marine acoustic vibratory sources
US10473803B2 (en) * 2013-02-08 2019-11-12 Pgs Geophysical As Marine seismic vibrators and methods of use
US9995834B2 (en) 2013-05-07 2018-06-12 Pgs Geophysical As Variable mass load marine vibrator
US9645264B2 (en) 2013-05-07 2017-05-09 Pgs Geophysical As Pressure-compensated sources
US9864080B2 (en) 2013-05-15 2018-01-09 Pgs Geophysical As Gas spring compensation marine acoustic vibrator
US9618637B2 (en) 2013-09-20 2017-04-11 Pgs Geophysical As Low frequency marine acoustic vibrator
US9507037B2 (en) 2013-09-20 2016-11-29 Pgs Geophysical As Air-spring compensation in a piston-type marine vibrator
US9360574B2 (en) 2013-09-20 2016-06-07 Pgs Geophysical As Piston-type marine vibrators comprising a compliance chamber
US9341725B2 (en) 2013-09-20 2016-05-17 Pgs Geophysical As Piston integrated variable mass load
BR112016015182B1 (pt) * 2013-12-30 2022-10-04 Pgs Geophysical As Sistema e método de controle para vibradores marinhos que operam próximo de fontes de sinais sísmicos impulsivos
US9612347B2 (en) 2014-08-14 2017-04-04 Pgs Geophysical As Compliance chambers for marine vibrators
US9389327B2 (en) 2014-10-15 2016-07-12 Pgs Geophysical As Compliance chambers for marine vibrators
US10488542B2 (en) 2014-12-02 2019-11-26 Pgs Geophysical As Use of external driver to energize a seismic source

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941202A (en) * 1982-09-13 1990-07-10 Sanders Associates, Inc. Multiple segment flextensional transducer shell
US4764907A (en) * 1986-04-30 1988-08-16 Allied Corporation Underwater transducer
US4706230A (en) * 1986-08-29 1987-11-10 Nec Corporation Underwater low-frequency ultrasonic wave transmitter
US4763307A (en) * 1987-01-20 1988-08-09 Frank Massa Wide-range audio frequency underwater transducer
US4894811A (en) * 1987-05-18 1990-01-16 Raytheon Company Outboard-driven flextensional transducer
FR2688112B1 (fr) * 1988-04-28 1996-10-11 France Etat Armement Transducteurs electro-acoustiques directifs comportant une coque etanche en deux parties.
FR2688972B1 (fr) * 1988-04-28 1996-10-11 France Etat Armement Transducteurs electro-acoustiques comportant une coque emettrice flexible et etanche.
US4862429A (en) * 1988-10-04 1989-08-29 Raytheon Company Flextensional electroacoustic transducer with hydrostatically compression-loaded driver
US4932008A (en) * 1988-10-04 1990-06-05 Raytheon Company Hinge-modified flextensional transducer
US5126979A (en) * 1991-10-07 1992-06-30 Westinghouse Electric Corp. Variable reluctance actuated flextension transducer
US5375101A (en) * 1992-08-21 1994-12-20 Westinghouse Electric Corporation Electromagnetic sonar transmitter apparatus and method utilizing offset frequency drive
NO176457C (no) * 1993-03-15 1995-04-05 Pgs Seres As Drivenhet for akustiske sendere
NO301796B1 (no) * 1995-05-18 1997-12-08 Unaco Systems Ab Drivenhet for akustiske sendere

Also Published As

Publication number Publication date
NO961764D0 (no) 1996-04-30
AU2106897A (en) 1997-11-19
EP1015912B1 (de) 2002-06-05
NO303472B1 (no) 1998-07-13
NO961764L (no) 1997-10-31
US6041888A (en) 2000-03-28
WO1997041453A1 (en) 1997-11-06
EP1015912A1 (de) 2000-07-05

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PGS GEOPHYSICAL AS, LYSAKER, NO

8332 No legal effect for de