JPS5768998A - Piezoelectric type electro-acoustic converter - Google Patents

Piezoelectric type electro-acoustic converter

Info

Publication number
JPS5768998A
JPS5768998A JP14481680A JP14481680A JPS5768998A JP S5768998 A JPS5768998 A JP S5768998A JP 14481680 A JP14481680 A JP 14481680A JP 14481680 A JP14481680 A JP 14481680A JP S5768998 A JPS5768998 A JP S5768998A
Authority
JP
Japan
Prior art keywords
center
metallic plate
diaphragm
distortion
sound
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
JP14481680A
Other languages
Japanese (ja)
Inventor
Fumikazu Murakami
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP14481680A priority Critical patent/JPS5768998A/en
Publication of JPS5768998A publication Critical patent/JPS5768998A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00Piezoelectric transducers; Electrostrictive transducers

Abstract

PURPOSE:To prevent the production of distortion in sound, so that large amplitude oscillation can be obtained at the center of a diaphragm, by incorporating a diaphragm bent symmetrical to the center and a diaphragm sticked with a piezoelectric element through center coupling. CONSTITUTION:A disc shape piezoelectric element 4 provided with holes at the center is bonded on a flat metallic plate 5. Edge and cone shape are formed to a thin film metallic plate 6 with contraction, and the center of the metallic plate 6 and that of the plate 5 are welded. The surrounding of this metallic plate 5 is clipped with an elastic member 7 and a support 10. A dust proof sheet 8 having a number of small holes and a cover 9 having sound hole are fixed to the support 10. By supporting the surrounding the metallic plate 6 as the diaphragm with an elastic member 7, oscillation with large amplitude is produced at the center without distortion, allowing to reduce sound distortion.
JP14481680A 1980-10-16 1980-10-16 Piezoelectric type electro-acoustic converter Pending JPS5768998A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14481680A JPS5768998A (en) 1980-10-16 1980-10-16 Piezoelectric type electro-acoustic converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14481680A JPS5768998A (en) 1980-10-16 1980-10-16 Piezoelectric type electro-acoustic converter

Publications (1)

Publication Number Publication Date
JPS5768998A true JPS5768998A (en) 1982-04-27

Family

ID=15371122

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14481680A Pending JPS5768998A (en) 1980-10-16 1980-10-16 Piezoelectric type electro-acoustic converter

Country Status (1)

Country Link
JP (1) JPS5768998A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60124200U (en) * 1984-01-26 1985-08-21 オンキヨー株式会社 piezoelectric speaker
US6179155B1 (en) 1994-02-03 2001-01-30 Nippon Sanso Corporation Insulated vessel and method of production therefor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60124200U (en) * 1984-01-26 1985-08-21 オンキヨー株式会社 piezoelectric speaker
US6179155B1 (en) 1994-02-03 2001-01-30 Nippon Sanso Corporation Insulated vessel and method of production therefor

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