JPS5221823A - Piezo electric type electric sound exchanger - Google Patents

Piezo electric type electric sound exchanger

Info

Publication number
JPS5221823A
JPS5221823A JP9716075A JP9716075A JPS5221823A JP S5221823 A JPS5221823 A JP S5221823A JP 9716075 A JP9716075 A JP 9716075A JP 9716075 A JP9716075 A JP 9716075A JP S5221823 A JPS5221823 A JP S5221823A
Authority
JP
Japan
Prior art keywords
electric
piezo
exchanger
sound exchanger
type electric
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
JP9716075A
Other languages
Japanese (ja)
Inventor
Yoshio Shiratori
Mizuhiro Hida
Toshiro Oga
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP9716075A priority Critical patent/JPS5221823A/en
Publication of JPS5221823A publication Critical patent/JPS5221823A/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 raise the confidence for a long period with an even sensitive frequency characteristic by fixing to a fixed equipment, a vibration film made up to a film of polymer material plactic molded beforehand and of an electrode layer installed on both of its sides.
JP9716075A 1975-08-12 1975-08-12 Piezo electric type electric sound exchanger Pending JPS5221823A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9716075A JPS5221823A (en) 1975-08-12 1975-08-12 Piezo electric type electric sound exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9716075A JPS5221823A (en) 1975-08-12 1975-08-12 Piezo electric type electric sound exchanger

Publications (1)

Publication Number Publication Date
JPS5221823A true JPS5221823A (en) 1977-02-18

Family

ID=14184808

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9716075A Pending JPS5221823A (en) 1975-08-12 1975-08-12 Piezo electric type electric sound exchanger

Country Status (1)

Country Link
JP (1) JPS5221823A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002161A2 (en) * 1977-11-17 1979-05-30 Thomson-Csf Piezo-electric transducing device and process for its manufacture
JPS5920800U (en) * 1982-07-27 1984-02-08 澤藤　正 Speaker using biaxially stretched piezoelectric film
JPS6091157U (en) * 1983-11-28 1985-06-21 田中　更治 High place cleaning equipment
FR2572616A1 (en) * 1984-10-30 1986-05-02 Thomson Csf PIEZOELECTRIC DIAPHRAGM ELECTRO-ACOUSTIC TRANSDUCER
US5410789A (en) * 1992-11-13 1995-05-02 Murata Manufacturing Co., Ltd. Method of manufacturing piezoelectric-resonator having vibrating spaces formed therein
US5412854A (en) * 1993-06-18 1995-05-09 Humphrey Instruments, Inc. Method of making a high frequency focused transducer
WO2008084685A1 (en) * 2007-01-11 2008-07-17 Murata Manufacturing Co., Ltd. Piezoelectric speaker and its manufacturing method
US20100327699A1 (en) * 2008-02-05 2010-12-30 Muhammed Hassanali Encapsulation coating to reduce particle shedding
JP2014241628A (en) * 2011-09-30 2014-12-25 富士フイルム株式会社 Electroacoustic transducer and display device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4856128A (en) * 1971-11-11 1973-08-07
JPS4924125A (en) * 1972-06-26 1974-03-04

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4856128A (en) * 1971-11-11 1973-08-07
JPS4924125A (en) * 1972-06-26 1974-03-04

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0002161A2 (en) * 1977-11-17 1979-05-30 Thomson-Csf Piezo-electric transducing device and process for its manufacture
FR2409654A1 (en) * 1977-11-17 1979-06-15 Thomson Csf PIEZOELECTRIC TRANSDUCER DEVICE AND ITS MANUFACTURING PROCESS
JPS5920800U (en) * 1982-07-27 1984-02-08 澤藤　正 Speaker using biaxially stretched piezoelectric film
JPS6091157U (en) * 1983-11-28 1985-06-21 田中　更治 High place cleaning equipment
FR2572616A1 (en) * 1984-10-30 1986-05-02 Thomson Csf PIEZOELECTRIC DIAPHRAGM ELECTRO-ACOUSTIC TRANSDUCER
US5410789A (en) * 1992-11-13 1995-05-02 Murata Manufacturing Co., Ltd. Method of manufacturing piezoelectric-resonator having vibrating spaces formed therein
US5412854A (en) * 1993-06-18 1995-05-09 Humphrey Instruments, Inc. Method of making a high frequency focused transducer
WO2008084685A1 (en) * 2007-01-11 2008-07-17 Murata Manufacturing Co., Ltd. Piezoelectric speaker and its manufacturing method
JPWO2008084685A1 (en) * 2007-01-11 2010-04-30 株式会社村田製作所 Piezoelectric speaker and manufacturing method thereof
US20100327699A1 (en) * 2008-02-05 2010-12-30 Muhammed Hassanali Encapsulation coating to reduce particle shedding
JP2014241628A (en) * 2011-09-30 2014-12-25 富士フイルム株式会社 Electroacoustic transducer and display device

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