GB8611573D0 - Acoustic transducer - Google Patents

Acoustic transducer

Info

Publication number
GB8611573D0
GB8611573D0 GB868611573A GB8611573A GB8611573D0 GB 8611573 D0 GB8611573 D0 GB 8611573D0 GB 868611573 A GB868611573 A GB 868611573A GB 8611573 A GB8611573 A GB 8611573A GB 8611573 D0 GB8611573 D0 GB 8611573D0
Authority
GB
United Kingdom
Prior art keywords
acoustic transducer
acoustic
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.)
Granted
Application number
GB868611573A
Other versions
GB2190561A (en
GB2190561B (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 GB8611573A priority Critical patent/GB2190561B/en
Publication of GB8611573D0 publication Critical patent/GB8611573D0/en
Priority to AU73953/87A priority patent/AU7395387A/en
Priority to PCT/GB1987/000326 priority patent/WO1987007069A1/en
Priority to EP19870902672 priority patent/EP0267223A1/en
Publication of GB2190561A publication Critical patent/GB2190561A/en
Application granted granted Critical
Publication of GB2190561B publication Critical patent/GB2190561B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
    • G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
    • 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
    • B06B1/0607—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 using multiple elements
    • B06B1/0622—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 using multiple elements on one surface
    • B06B1/0629—Square array

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB8611573A 1986-05-12 1986-05-12 Acoustic transducer Expired GB2190561B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB8611573A GB2190561B (en) 1986-05-12 1986-05-12 Acoustic transducer
AU73953/87A AU7395387A (en) 1986-05-12 1987-05-12 Acoustic transducer
PCT/GB1987/000326 WO1987007069A1 (en) 1986-05-12 1987-05-12 Acoustic transducer
EP19870902672 EP0267223A1 (en) 1986-05-12 1987-05-12 Acoustic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8611573A GB2190561B (en) 1986-05-12 1986-05-12 Acoustic transducer

Publications (3)

Publication Number Publication Date
GB8611573D0 true GB8611573D0 (en) 1986-10-01
GB2190561A GB2190561A (en) 1987-11-18
GB2190561B GB2190561B (en) 1989-12-20

Family

ID=10597747

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8611573A Expired GB2190561B (en) 1986-05-12 1986-05-12 Acoustic transducer

Country Status (4)

Country Link
EP (1) EP0267223A1 (en)
AU (1) AU7395387A (en)
GB (1) GB2190561B (en)
WO (1) WO1987007069A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2212693B (en) * 1987-11-18 1991-08-14 Plessey Co Plc Transducer array

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB632286A (en) * 1939-08-02 1949-11-21 Submarine Signal Co Improvements in or relating to apparatus for transmitting and receiving compressional wave energy
FR888785A (en) * 1941-12-08 1943-12-22 Atlas Werke Ag Device for the directed emission or reception of wave energy
GB637157A (en) * 1945-06-08 1950-05-17 Submaring Signal Company Improvements in means for sending and receiving compressional waves
US3585579A (en) * 1969-07-09 1971-06-15 Westinghouse Electric Corp Side looking sonar transducer
US3715711A (en) * 1970-09-14 1973-02-06 Dynamics Corp Massa Div High power,low frequency underwater transducer array
US3863201A (en) * 1973-05-29 1975-01-28 Amoco Prod Co Seismometer arrays using operational amplifiers
GB1578800A (en) * 1977-07-05 1980-11-12 Mobil Oil Corp Vertically directive arrays for marine seismic exploration
US4380808A (en) * 1981-02-06 1983-04-19 Canadian Patents & Development Limited Thinned array transducer for sonar
GB2132762B (en) * 1982-12-30 1986-09-03 Muhammed Shafiqul Alam Seismic exploration
JPS61172081A (en) * 1984-10-15 1986-08-02 エド　コ−ポレ−シヨン／ウエスタン　デイヴイジヨン Flexible piezoelectric transducer assembly and sonar piezoelectric transducer assembly

Also Published As

Publication number Publication date
EP0267223A1 (en) 1988-05-18
GB2190561A (en) 1987-11-18
WO1987007069A1 (en) 1987-11-19
GB2190561B (en) 1989-12-20
AU7395387A (en) 1987-12-01

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930512