JPS5347815A - Electro-acoustic converter of piezoelectric type - Google Patents

Electro-acoustic converter of piezoelectric type

Info

Publication number
JPS5347815A
JPS5347815A JP12191676A JP12191676A JPS5347815A JP S5347815 A JPS5347815 A JP S5347815A JP 12191676 A JP12191676 A JP 12191676A JP 12191676 A JP12191676 A JP 12191676A JP S5347815 A JPS5347815 A JP S5347815A
Authority
JP
Japan
Prior art keywords
electro
piezoelectric type
acoustic converter
acoustic
converter
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.)
Pending
Application number
JP12191676A
Other languages
Japanese (ja)
Inventor
Hideo Onuki
Toshitaka Sugimoto
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12191676A priority Critical patent/JPS5347815A/en
Publication of JPS5347815A publication Critical patent/JPS5347815A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)

Abstract

PURPOSE:To produce a diaphragm of high sensitivity by laminating plural sheets of piezoelectric thin films and by using the outermost two electrode surfaces as electric terminals.
JP12191676A 1976-10-13 1976-10-13 Electro-acoustic converter of piezoelectric type Pending JPS5347815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12191676A JPS5347815A (en) 1976-10-13 1976-10-13 Electro-acoustic converter of piezoelectric type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12191676A JPS5347815A (en) 1976-10-13 1976-10-13 Electro-acoustic converter of piezoelectric type

Publications (1)

Publication Number Publication Date
JPS5347815A true JPS5347815A (en) 1978-04-28

Family

ID=14823075

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12191676A Pending JPS5347815A (en) 1976-10-13 1976-10-13 Electro-acoustic converter of piezoelectric type

Country Status (1)

Country Link
JP (1) JPS5347815A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465387A1 (en) * 1979-09-12 1981-03-20 Audax Piezoelectric transducer for e.g. ultrasonic generator - has superposed polymer layers with one or more metal coatings to provide enhanced capacitance
JPS60241399A (en) * 1984-05-16 1985-11-30 Nec Corp Underwater sound wave transmitter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4924125A (en) * 1972-06-26 1974-03-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4924125A (en) * 1972-06-26 1974-03-04

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465387A1 (en) * 1979-09-12 1981-03-20 Audax Piezoelectric transducer for e.g. ultrasonic generator - has superposed polymer layers with one or more metal coatings to provide enhanced capacitance
JPS60241399A (en) * 1984-05-16 1985-11-30 Nec Corp Underwater sound wave transmitter

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