GB8910111D0 - Improvements relating to transducers - Google Patents

Improvements relating to transducers

Info

Publication number
GB8910111D0
GB8910111D0 GB898910111A GB8910111A GB8910111D0 GB 8910111 D0 GB8910111 D0 GB 8910111D0 GB 898910111 A GB898910111 A GB 898910111A GB 8910111 A GB8910111 A GB 8910111A GB 8910111 D0 GB8910111 D0 GB 8910111D0
Authority
GB
United Kingdom
Prior art keywords
transducers
improvements relating
relating
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.)
Withdrawn
Application number
GB898910111A
Other versions
GB2233190A (en
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.)
Plessey Co Ltd
Original Assignee
Plessey Co 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB8910111A priority Critical patent/GB2233190A/en
Publication of GB8910111D0 publication Critical patent/GB8910111D0/en
Priority to PCT/GB1990/000661 priority patent/WO1990013367A1/en
Priority to EP90907302A priority patent/EP0423308A1/en
Priority to CA002034500A priority patent/CA2034500A1/en
Priority to AU55624/90A priority patent/AU5562490A/en
Publication of GB2233190A publication Critical patent/GB2233190A/en
Priority to NO91910803A priority patent/NO910803L/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0688—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction with foil-type piezoelectric elements, e.g. PVDF
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/01—Manufacture or treatment
    • H10N30/09—Forming piezoelectric or electrostrictive materials
    • H10N30/098—Forming organic materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
GB8910111A 1989-05-03 1989-05-03 Improvements relating to transducers. Withdrawn GB2233190A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB8910111A GB2233190A (en) 1989-05-03 1989-05-03 Improvements relating to transducers.
PCT/GB1990/000661 WO1990013367A1 (en) 1989-05-03 1990-04-27 PVdF/TrFE PIEZOELECTRIC TRANSDUCER
EP90907302A EP0423308A1 (en) 1989-05-03 1990-04-27 PVdF/TrFE PIEZOELECTRIC TRANSDUCER
CA002034500A CA2034500A1 (en) 1989-05-03 1990-04-27 Pvdf/trfe piezoelectric transducer
AU55624/90A AU5562490A (en) 1989-05-03 1990-04-27 Pvdf/trfe piezoelectric transducer
NO91910803A NO910803L (en) 1989-05-03 1991-02-28 LARGE RADIATION SURFACES.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8910111A GB2233190A (en) 1989-05-03 1989-05-03 Improvements relating to transducers.

Publications (2)

Publication Number Publication Date
GB8910111D0 true GB8910111D0 (en) 1989-11-08
GB2233190A GB2233190A (en) 1991-01-02

Family

ID=10656123

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8910111A Withdrawn GB2233190A (en) 1989-05-03 1989-05-03 Improvements relating to transducers.

Country Status (5)

Country Link
EP (1) EP0423308A1 (en)
AU (1) AU5562490A (en)
CA (1) CA2034500A1 (en)
GB (1) GB2233190A (en)
WO (1) WO1990013367A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012016378B4 (en) * 2012-08-13 2020-06-18 Technische Universität Dresden Dielectric elastomer actuator and process for its manufacture
US9772220B1 (en) 2013-12-06 2017-09-26 Harris Corporation Hydrophone
US10324173B2 (en) 2015-02-13 2019-06-18 Airmar Technology Corporation Acoustic transducer element

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816774A (en) * 1972-01-28 1974-06-11 Victor Company Of Japan Curved piezoelectric elements
NL7508534A (en) * 1975-07-17 1977-01-19 Philips Nv Transducer for loudspeakers or microphones - provided with independently acting but adjacently located transducer membrane films
GB1593273A (en) * 1977-09-13 1981-07-15 Standard Telephones Cables Ltd Electro-acoustic transducers
FR2409654B1 (en) * 1977-11-17 1985-10-04 Thomson Csf PIEZOELECTRIC TRANSDUCER DEVICE AND MANUFACTURING METHOD THEREOF
US4322877A (en) * 1978-09-20 1982-04-06 Minnesota Mining And Manufacturing Company Method of making piezoelectric polymeric acoustic transducer
US4692285A (en) * 1985-07-01 1987-09-08 Pennwalt Corporation Process of preparing nonfibrous, piezoelectric polymer sheet of improved activity
US4789971A (en) * 1986-04-07 1988-12-06 The United States Of America As Represented By The Secretary Of The Navy Broadband, acoustically transparent, nonresonant PVDF hydrophone

Also Published As

Publication number Publication date
WO1990013367A1 (en) 1990-11-15
CA2034500A1 (en) 1990-11-04
EP0423308A1 (en) 1991-04-24
GB2233190A (en) 1991-01-02
AU5562490A (en) 1990-11-29

Similar Documents

Publication Publication Date Title
GR1002037B (en) Improvents relating to the sacharose 6-estere chlorization
GB2215840B (en) Transducer
GB2233093B (en) Improvements relating to acoustic sensing arrangements
AU110744S (en) Transducer
GB8711223D0 (en) Transducers
GB8909702D0 (en) Improvements relating to biosensors
GB8706396D0 (en) Transducer
GB9009843D0 (en) Improvements relating to rotary position transducers
GB8603030D0 (en) Transducer
EP0422458A3 (en) Displacement transducer
EP0278753A3 (en) Improvements relating to transducers
EP0255263A3 (en) Transducer
GB8809757D0 (en) Transducer
GB8910111D0 (en) Improvements relating to transducers
GB8623886D0 (en) Displacement transducers
GB8903120D0 (en) Improvements relating to glasswalled structures
GB9208862D0 (en) Improvements relating to transducers
GB8822490D0 (en) Transducers
GB8907576D0 (en) Improvements relating to biosensors
GB8906961D0 (en) Improvements relating to skips
GB2196126B (en) Displacement transducers
GB9018799D0 (en) Improvements relating to transducers
GB8927562D0 (en) Improvements relating to strain transducers
GB9112106D0 (en) Improvements relating to transducers
PL280652A1 (en) Transducer

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)