NO893824D0 - TRANSDUCERS, SPECIAL VOLTAGE FLEXIBLE TRANSDUCERS. - Google Patents

TRANSDUCERS, SPECIAL VOLTAGE FLEXIBLE TRANSDUCERS.

Info

Publication number
NO893824D0
NO893824D0 NO893824A NO893824A NO893824D0 NO 893824 D0 NO893824 D0 NO 893824D0 NO 893824 A NO893824 A NO 893824A NO 893824 A NO893824 A NO 893824A NO 893824 D0 NO893824 D0 NO 893824D0
Authority
NO
Norway
Prior art keywords
transducers
special voltage
voltage flexible
special
flexible
Prior art date
Application number
NO893824A
Other languages
Norwegian (no)
Other versions
NO893824L (en
Inventor
John Robert Oswin
Original Assignee
British Aerospace
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 British Aerospace filed Critical British Aerospace
Publication of NO893824D0 publication Critical patent/NO893824D0/en
Publication of NO893824L publication Critical patent/NO893824L/en

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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/04—Acoustic filters ; Acoustic resonators
    • 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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
NO89893824A 1988-10-04 1989-09-26 TRANSDUCERS, SPECIAL VOLTAGE FLEXIBLE TRANSDUCERS. NO893824L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888823245A GB8823245D0 (en) 1988-10-04 1988-10-04 Flextensional transducer

Publications (2)

Publication Number Publication Date
NO893824D0 true NO893824D0 (en) 1989-09-26
NO893824L NO893824L (en) 1990-04-05

Family

ID=10644674

Family Applications (1)

Application Number Title Priority Date Filing Date
NO89893824A NO893824L (en) 1988-10-04 1989-09-26 TRANSDUCERS, SPECIAL VOLTAGE FLEXIBLE TRANSDUCERS.

Country Status (4)

Country Link
EP (1) EP0363032A3 (en)
JP (1) JPH02123900A (en)
GB (1) GB8823245D0 (en)
NO (1) NO893824L (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2237477A (en) * 1989-10-06 1991-05-01 British Aerospace Sonar transducer
FR2697710B1 (en) * 1992-11-05 1995-01-20 France Etat Armement Method and transducer for emitting very low frequency acoustic waves in a liquid in unlimited immersion.
FR2713430B1 (en) * 1993-12-03 1996-03-08 France Etat Armement Method for emitting very low frequency acoustic waves at high power, and corresponding transducers.
FR2720589B1 (en) * 1994-05-27 1996-07-05 France Etat Armement Method and transducer for emitting wideband and low frequency acoustic waves in unlimited immersion depth.
AT403219B (en) * 1995-02-01 1997-12-29 Scheidl Rudolf Dipl Ing Dr Tec DEVICE FOR DRIVING A HYDROSTATIC DRIVE
US6643222B2 (en) * 2002-01-10 2003-11-04 Bae Systems Information And Electronic Systems Integration Inc Wave flextensional shell configuration
FR2850217A1 (en) * 2003-01-17 2004-07-23 Cedrat Technologies PIEZOACTIVE ACTUATOR WITH AMPLIFIED MOVEMENT
FI121764B (en) * 2008-12-31 2011-03-31 Patria Aviat Oy Vibrator in liquid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3274537A (en) * 1963-10-17 1966-09-20 William J Toulis Flexural-extensional electro-mechanical transducer
US4409681A (en) * 1979-03-15 1983-10-11 Sanders Associates, Inc. Transducer

Also Published As

Publication number Publication date
EP0363032A3 (en) 1990-10-24
JPH02123900A (en) 1990-05-11
EP0363032A2 (en) 1990-04-11
GB8823245D0 (en) 1989-04-19
NO893824L (en) 1990-04-05

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