AU3548497A - Acoustic transducers using a working fluid - Google Patents

Acoustic transducers using a working fluid

Info

Publication number
AU3548497A
AU3548497A AU35484/97A AU3548497A AU3548497A AU 3548497 A AU3548497 A AU 3548497A AU 35484/97 A AU35484/97 A AU 35484/97A AU 3548497 A AU3548497 A AU 3548497A AU 3548497 A AU3548497 A AU 3548497A
Authority
AU
Australia
Prior art keywords
working fluid
acoustic transducers
transducers
acoustic
fluid
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.)
Abandoned
Application number
AU35484/97A
Inventor
James Edward Stangroom
Rex Walton
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.)
ER Fluid Developments Ltd
Original Assignee
ER Fluid Developments 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 ER Fluid Developments Ltd filed Critical ER Fluid Developments Ltd
Publication of AU3548497A publication Critical patent/AU3548497A/en
Abandoned 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
    • G10K9/08—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by water or other liquids
    • 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
    • G10K7/00—Sirens
    • G10K7/06—Sirens in which the sound-producing member is driven by a fluid, e.g. by a compressed gas

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
AU35484/97A 1996-06-22 1997-06-20 Acoustic transducers using a working fluid Abandoned AU3548497A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9613150 1996-06-22
GBGB9613150.3A GB9613150D0 (en) 1996-06-22 1996-06-22 Improvements in or relating to acoustic transducers
PCT/GB1997/001684 WO1997050077A1 (en) 1996-06-22 1997-06-20 Acoustic transducers using a working fluid

Publications (1)

Publication Number Publication Date
AU3548497A true AU3548497A (en) 1998-01-14

Family

ID=10795747

Family Applications (1)

Application Number Title Priority Date Filing Date
AU35484/97A Abandoned AU3548497A (en) 1996-06-22 1997-06-20 Acoustic transducers using a working fluid

Country Status (4)

Country Link
EP (1) EP0906611A1 (en)
AU (1) AU3548497A (en)
GB (1) GB9613150D0 (en)
WO (1) WO1997050077A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7823689B2 (en) * 2001-07-27 2010-11-02 Baker Hughes Incorporated Closed-loop downhole resonant source
US7403628B2 (en) * 2004-04-07 2008-07-22 Sony Ericsson Mobile Communications Ab Transducer assembly and loudspeaker including rheological material

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1571378A (en) * 1923-10-23 1926-02-02 Drahtlose Telegraphie Gmbh Sound-reproducing arrangement
AU1748083A (en) * 1983-08-01 1985-02-07 Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland, The Electroorhelogical fluid actuator
US5218576A (en) * 1992-05-22 1993-06-08 The United States Of America As Represented By The Secretary Of The Navy Underwater transducer
WO1994001979A1 (en) * 1992-07-14 1994-01-20 Noise Cancellation Technologies, Inc. Hydraulic powered loudspeaker

Also Published As

Publication number Publication date
GB9613150D0 (en) 1996-08-28
EP0906611A1 (en) 1999-04-07
WO1997050077A1 (en) 1997-12-31

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