JPS5274332A - Electric acoustic converter - Google Patents

Electric acoustic converter

Info

Publication number
JPS5274332A
JPS5274332A JP15145575A JP15145575A JPS5274332A JP S5274332 A JPS5274332 A JP S5274332A JP 15145575 A JP15145575 A JP 15145575A JP 15145575 A JP15145575 A JP 15145575A JP S5274332 A JPS5274332 A JP S5274332A
Authority
JP
Japan
Prior art keywords
acoustic converter
electric acoustic
films
electric
ilnearity
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
JP15145575A
Other languages
Japanese (ja)
Inventor
Hiroyuki Naono
Satoru Ibaraki
Michio Matsumoto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP15145575A priority Critical patent/JPS5274332A/en
Publication of JPS5274332A publication Critical patent/JPS5274332A/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 improve the ilnearity and strain of input and output by applying a voltage to two sheets of vibrating films composed of a piezoelectric high polymer material so that while one of the films is elongating the other shrinks accordin according to their polarity.
JP15145575A 1975-12-17 1975-12-17 Electric acoustic converter Pending JPS5274332A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15145575A JPS5274332A (en) 1975-12-17 1975-12-17 Electric acoustic converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15145575A JPS5274332A (en) 1975-12-17 1975-12-17 Electric acoustic converter

Publications (1)

Publication Number Publication Date
JPS5274332A true JPS5274332A (en) 1977-06-22

Family

ID=15518937

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15145575A Pending JPS5274332A (en) 1975-12-17 1975-12-17 Electric acoustic converter

Country Status (1)

Country Link
JP (1) JPS5274332A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53125821A (en) * 1977-04-07 1978-11-02 Philips Nv Electric sound apparatus
JPS5530244A (en) * 1978-08-24 1980-03-04 Nec Corp Sound transmitter-receiver
JP2007503742A (en) * 2003-08-21 2007-02-22 アメリカン・テクノロジー・コーポレーション Parametric transducer with emitter film

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50146324A (en) * 1974-05-15 1975-11-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50146324A (en) * 1974-05-15 1975-11-25

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53125821A (en) * 1977-04-07 1978-11-02 Philips Nv Electric sound apparatus
JPS5761239B2 (en) * 1977-04-07 1982-12-23 Fuiritsupusu Furuuiranpenfuaburiken Nv
JPS5530244A (en) * 1978-08-24 1980-03-04 Nec Corp Sound transmitter-receiver
JP2007503742A (en) * 2003-08-21 2007-02-22 アメリカン・テクノロジー・コーポレーション Parametric transducer with emitter film

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