GB2151025B - Transducer - Google Patents

Transducer

Info

Publication number
GB2151025B
GB2151025B GB08414282A GB8414282A GB2151025B GB 2151025 B GB2151025 B GB 2151025B GB 08414282 A GB08414282 A GB 08414282A GB 8414282 A GB8414282 A GB 8414282A GB 2151025 B GB2151025 B GB 2151025B
Authority
GB
United Kingdom
Prior art keywords
transducer
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
Application number
GB08414282A
Other versions
GB2151025A (en
GB8414282D0 (en
Inventor
Leslie Kay
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB8414282D0 publication Critical patent/GB8414282D0/en
Priority to US06/676,818 priority Critical patent/US4704556A/en
Priority to AU36090/84A priority patent/AU573655B2/en
Priority to EP84308392A priority patent/EP0144234B1/en
Priority to DE8484308392T priority patent/DE3477287D1/en
Priority to AT84308392T priority patent/ATE41542T1/en
Publication of GB2151025A publication Critical patent/GB2151025A/en
Application granted granted Critical
Publication of GB2151025B publication Critical patent/GB2151025B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • 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
    • B06B1/08—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction
    • B06B1/085—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction using multiple elements, e.g. arrays

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB08414282A 1983-12-05 1984-06-05 Transducer Expired GB2151025B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US06/676,818 US4704556A (en) 1983-12-05 1984-11-30 Transducers
AU36090/84A AU573655B2 (en) 1983-12-05 1984-11-30 Transducer array
EP84308392A EP0144234B1 (en) 1983-12-05 1984-12-04 Improvements relating to transducers
DE8484308392T DE3477287D1 (en) 1983-12-05 1984-12-04 Improvements relating to transducers
AT84308392T ATE41542T1 (en) 1983-12-05 1984-12-04 CONVERTER.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ20647583A NZ206475A (en) 1983-12-05 1983-12-05 Ultrasonic transducer array provides beam steering

Publications (3)

Publication Number Publication Date
GB8414282D0 GB8414282D0 (en) 1984-07-11
GB2151025A GB2151025A (en) 1985-07-10
GB2151025B true GB2151025B (en) 1987-10-07

Family

ID=19920605

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08414282A Expired GB2151025B (en) 1983-12-05 1984-06-05 Transducer

Country Status (3)

Country Link
JP (1) JPS60157060A (en)
GB (1) GB2151025B (en)
NZ (1) NZ206475A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU573655B2 (en) * 1983-12-05 1988-06-16 Kay, L. Transducer array
US6775388B1 (en) 1998-07-16 2004-08-10 Massachusetts Institute Of Technology Ultrasonic transducers
JP2000050387A (en) 1998-07-16 2000-02-18 Massachusetts Inst Of Technol <Mit> Parameteric audio system
US7391872B2 (en) 1999-04-27 2008-06-24 Frank Joseph Pompei Parametric audio system
WO2003032678A2 (en) 2001-10-09 2003-04-17 Frank Joseph Pompei Ultrasonic transducer for parametric array
US20040114770A1 (en) 2002-10-30 2004-06-17 Pompei Frank Joseph Directed acoustic sound system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7802688A (en) * 1978-03-13 1979-09-17 Philips Nv DEVICE FOR CONVERSION FROM ACOUSTIC TO ELECTRICAL VIBRATIONS AND VERSIONS, EQUIPPED WITH AT LEAST ONE CONDENSER ELECTRICAL ELEMENT CONNECTED TO AN ELECTRONIC CIRCUIT.
DE3103357C2 (en) * 1981-01-31 1982-10-21 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Ultrasonic transducer

Also Published As

Publication number Publication date
JPS60157060A (en) 1985-08-17
GB2151025A (en) 1985-07-10
GB8414282D0 (en) 1984-07-11
NZ206475A (en) 1988-09-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee