JPH0429280B2 - - Google Patents

Info

Publication number
JPH0429280B2
JPH0429280B2 JP29959886A JP29959886A JPH0429280B2 JP H0429280 B2 JPH0429280 B2 JP H0429280B2 JP 29959886 A JP29959886 A JP 29959886A JP 29959886 A JP29959886 A JP 29959886A JP H0429280 B2 JPH0429280 B2 JP H0429280B2
Authority
JP
Japan
Prior art keywords
diaphragm
vibration
length
piezoelectric
piezoelectric ceramic
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
JP29959886A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63151298A (ja
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
Priority to JP29959886A priority Critical patent/JPS63151298A/ja
Publication of JPS63151298A publication Critical patent/JPS63151298A/ja
Publication of JPH0429280B2 publication Critical patent/JPH0429280B2/ja
Granted 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
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
JP29959886A 1986-12-16 1986-12-16 捩れ振動子 Granted JPS63151298A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29959886A JPS63151298A (ja) 1986-12-16 1986-12-16 捩れ振動子

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29959886A JPS63151298A (ja) 1986-12-16 1986-12-16 捩れ振動子

Publications (2)

Publication Number Publication Date
JPS63151298A JPS63151298A (ja) 1988-06-23
JPH0429280B2 true JPH0429280B2 (en]) 1992-05-18

Family

ID=17874707

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29959886A Granted JPS63151298A (ja) 1986-12-16 1986-12-16 捩れ振動子

Country Status (1)

Country Link
JP (1) JPS63151298A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100610181B1 (ko) 2004-10-27 2006-08-09 경북대학교 산학협력단 이식형 보청기에 구비되는 마이크로폰

Also Published As

Publication number Publication date
JPS63151298A (ja) 1988-06-23

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees