DE69111459T2 - Akustischer sender. - Google Patents

Akustischer sender.

Info

Publication number
DE69111459T2
DE69111459T2 DE69111459T DE69111459T DE69111459T2 DE 69111459 T2 DE69111459 T2 DE 69111459T2 DE 69111459 T DE69111459 T DE 69111459T DE 69111459 T DE69111459 T DE 69111459T DE 69111459 T2 DE69111459 T2 DE 69111459T2
Authority
DE
Germany
Prior art keywords
acoustic transmitter
acoustic
transmitter
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 - Fee Related
Application number
DE69111459T
Other languages
English (en)
Other versions
DE69111459D1 (de
Inventor
Gunnar Molund
Rune Tenghamn
Magnus Zetterlund
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.)
Westinghouse Electric Sweden AB
Original Assignee
ASEA Atom AB
ABB Atom 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 ASEA Atom AB, ABB Atom AB filed Critical ASEA Atom AB
Publication of DE69111459D1 publication Critical patent/DE69111459D1/de
Application granted granted Critical
Publication of DE69111459T2 publication Critical patent/DE69111459T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Toys (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
DE69111459T 1990-09-28 1991-09-16 Akustischer sender. Expired - Fee Related DE69111459T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9003086A SE467081B (sv) 1990-09-28 1990-09-28 Drivpaket ingaaende i akustiska saendare
PCT/SE1991/000612 WO1992006567A1 (en) 1990-09-28 1991-09-16 Acoustic transmitter

Publications (2)

Publication Number Publication Date
DE69111459D1 DE69111459D1 (de) 1995-08-24
DE69111459T2 true DE69111459T2 (de) 1996-04-04

Family

ID=20380480

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69111459T Expired - Fee Related DE69111459T2 (de) 1990-09-28 1991-09-16 Akustischer sender.

Country Status (10)

Country Link
US (1) US5329499A (de)
EP (1) EP0550684B1 (de)
JP (1) JPH06501596A (de)
CN (1) CN1027949C (de)
CA (1) CA2091892C (de)
DE (1) DE69111459T2 (de)
FI (1) FI931381A (de)
NO (1) NO306437B1 (de)
SE (1) SE467081B (de)
WO (1) WO1992006567A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5497357A (en) * 1988-12-23 1996-03-05 Alliedsignal Inc. Shock-resistant flextensional transducer
SE468967B (sv) * 1991-08-29 1993-04-19 Asea Atom Ab Drivsystem foer akustiska aparater baserat paa en magnetkrets med en cylindrisk magnetostriktiv kuts som drivcell
NO176457C (no) * 1993-03-15 1995-04-05 Pgs Seres As Drivenhet for akustiske sendere
NO301354B1 (no) * 1994-11-02 1997-10-13 Petroleum Geo Services As Akustisk kildeanordning
NO301796B1 (no) * 1995-05-18 1997-12-08 Unaco Systems Ab Drivenhet for akustiske sendere
NO301795B1 (no) * 1995-06-28 1997-12-08 Unaco Systems Ab Elektrodynamisk drivenhet for akustiske sendere
FR2740276B1 (fr) * 1995-10-20 1997-12-26 Cedrat Rech Actionneur piezoactif amplifie a raideur elevee
US5566132A (en) * 1995-12-11 1996-10-15 The United Sates Of America As Represented By The Secretary Of The Navy Acoustic transducer
GB0229954D0 (en) * 2002-12-20 2003-01-29 Newlands Technology Ltd Actuator
US7466066B2 (en) * 2004-11-05 2008-12-16 Lockheed Martin Corporation Longitudinally driven slotted cylinder transducer
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
US9562982B1 (en) 2012-08-13 2017-02-07 Applied Physical Sciences Corp. Coherent sound source for marine seismic surveys
WO2015101643A1 (en) * 2013-12-30 2015-07-09 Pgs Geophysical As Control system for marine vibrators
CN107039026B (zh) * 2017-05-23 2020-04-14 西北核技术研究所 一种可调节弯张换能器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4384351A (en) * 1978-12-11 1983-05-17 Sanders Associates, Inc. Flextensional transducer
EP0207095A4 (de) * 1984-12-19 1989-03-13 Gould Inc Flextensioneller umwandler aus seltenen erden.
AU597052B2 (en) * 1986-03-19 1990-05-24 Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland, The Flextensional transducers
WO1987005772A1 (en) * 1986-03-19 1987-09-24 The Secretary Of State For Defence In Her Britanni Sonar transducers
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
CA1294360C (en) * 1988-03-11 1992-01-14 Garfield W. Mcmahon Ring-shell projector
US4845688A (en) * 1988-03-21 1989-07-04 Image Acoustics, Inc. Electro-mechanical transduction apparatus

Also Published As

Publication number Publication date
CN1060192A (zh) 1992-04-08
CN1027949C (zh) 1995-03-15
SE9003086L (sv) 1992-03-29
DE69111459D1 (de) 1995-08-24
CA2091892A1 (en) 1992-03-29
NO306437B1 (no) 1999-11-01
NO931148D0 (no) 1993-03-26
JPH06501596A (ja) 1994-02-17
US5329499A (en) 1994-07-12
EP0550684B1 (de) 1995-07-19
EP0550684A1 (de) 1993-07-14
NO931148L (no) 1993-03-26
SE467081B (sv) 1992-05-18
CA2091892C (en) 1995-03-14
FI931381A0 (fi) 1993-03-26
FI931381A (fi) 1993-03-26
WO1992006567A1 (en) 1992-04-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee