GB1230156A - - Google Patents

Info

Publication number
GB1230156A
GB1230156A GB1230156DA GB1230156A GB 1230156 A GB1230156 A GB 1230156A GB 1230156D A GB1230156D A GB 1230156DA GB 1230156 A GB1230156 A GB 1230156A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
plate
oct
ceramic
glass
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
Other languages
English (en)
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 filed Critical
Publication of GB1230156A publication Critical patent/GB1230156A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/06—Arranging circuit leads; Relieving strain on circuit leads

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
GB1230156D 1968-10-22 1968-10-22 Expired GB1230156A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4997768 1968-10-22

Publications (1)

Publication Number Publication Date
GB1230156A true GB1230156A (https=) 1971-04-28

Family

ID=10454190

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1230156D Expired GB1230156A (https=) 1968-10-22 1968-10-22

Country Status (1)

Country Link
GB (1) GB1230156A (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2530108A1 (fr) * 1982-07-12 1984-01-13 Geophysique Cie Gle Nouvel hydrophone
WO1997002720A1 (en) * 1995-07-06 1997-01-23 Bo Nilsson Ultrasonic transducers method for fixing ultrasonic transducers and high output power ultrasonic transducers
WO1999010110A1 (en) * 1997-08-22 1999-03-04 Danfoss A/S Ultrasonic transducer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2530108A1 (fr) * 1982-07-12 1984-01-13 Geophysique Cie Gle Nouvel hydrophone
WO1997002720A1 (en) * 1995-07-06 1997-01-23 Bo Nilsson Ultrasonic transducers method for fixing ultrasonic transducers and high output power ultrasonic transducers
WO1999010110A1 (en) * 1997-08-22 1999-03-04 Danfoss A/S Ultrasonic transducer
RU2185253C2 (ru) * 1997-08-22 2002-07-20 Данфосс А/С Ультразвуковой преобразователь

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees