JPH0136315B2 - - Google Patents

Info

Publication number
JPH0136315B2
JPH0136315B2 JP55155906A JP15590680A JPH0136315B2 JP H0136315 B2 JPH0136315 B2 JP H0136315B2 JP 55155906 A JP55155906 A JP 55155906A JP 15590680 A JP15590680 A JP 15590680A JP H0136315 B2 JPH0136315 B2 JP H0136315B2
Authority
JP
Japan
Prior art keywords
plate
piezoelectric
transducer
thin film
present
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
JP55155906A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5780898A (en
Inventor
Akio Kumada
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 JP55155906A priority Critical patent/JPS5780898A/ja
Priority to DE8181109306T priority patent/DE3169146D1/de
Priority to EP81109306A priority patent/EP0051832B1/fr
Priority to KR1019810004221A priority patent/KR880000403B1/ko
Priority to US06/319,312 priority patent/US4471258A/en
Publication of JPS5780898A publication Critical patent/JPS5780898A/ja
Publication of JPH0136315B2 publication Critical patent/JPH0136315B2/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
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Transducers For Ultrasonic Waves (AREA)
JP55155906A 1980-11-07 1980-11-07 Piezoelectric ceramic transducer Granted JPS5780898A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP55155906A JPS5780898A (en) 1980-11-07 1980-11-07 Piezoelectric ceramic transducer
DE8181109306T DE3169146D1 (en) 1980-11-07 1981-10-29 Piezoelectric ceramic transducer
EP81109306A EP0051832B1 (fr) 1980-11-07 1981-10-29 Transducteur piézoélectrique céramique
KR1019810004221A KR880000403B1 (ko) 1980-11-07 1981-11-04 압전성(壓電性)세라믹 트랜스듀우서
US06/319,312 US4471258A (en) 1980-11-07 1981-11-09 Piezoelectric ceramic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55155906A JPS5780898A (en) 1980-11-07 1980-11-07 Piezoelectric ceramic transducer

Publications (2)

Publication Number Publication Date
JPS5780898A JPS5780898A (en) 1982-05-20
JPH0136315B2 true JPH0136315B2 (fr) 1989-07-31

Family

ID=15616094

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55155906A Granted JPS5780898A (en) 1980-11-07 1980-11-07 Piezoelectric ceramic transducer

Country Status (2)

Country Link
JP (1) JPS5780898A (fr)
KR (1) KR880000403B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6232699U (fr) * 1985-08-09 1987-02-26
JPH0518791U (ja) * 1991-08-26 1993-03-09 株式会社ジヨーニシ 空き缶処理装置
EP1769887B1 (fr) 2000-03-16 2008-07-30 Makita Corporation Outils de puissance
WO2002021881A1 (fr) * 2000-09-04 2002-03-14 Applied Electronics Laboratories, Inc. Fenetre d'affichage presentant une fonction d'entree-sortie
JP4149444B2 (ja) * 2005-01-12 2008-09-10 富士通メディアデバイス株式会社 圧電薄膜共振子及びこれを用いたフィルタ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4944658A (fr) * 1972-09-01 1974-04-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4944658A (fr) * 1972-09-01 1974-04-26

Also Published As

Publication number Publication date
KR830008624A (ko) 1983-12-10
KR880000403B1 (ko) 1988-03-21
JPS5780898A (en) 1982-05-20

Similar Documents

Publication Publication Date Title
JP3489509B2 (ja) 電気音響変換器
CN101626537B (zh) 声音产生装置
US4471258A (en) Piezoelectric ceramic transducer
JPS6132879B2 (fr)
WO2012011238A1 (fr) Dispositif de vibration
JP2004007400A (ja) 圧電型電気音響変換器
CN103270776B (zh) 振荡装置和电子设备
JP2002010393A (ja) 圧電型電気音響変換器
JPH0136315B2 (fr)
JPH09271096A (ja) 圧電スピーカ
JP3202169B2 (ja) 圧電発音体
JP2004096225A (ja) 圧電発音素子
JPS58166900A (ja) 圧電式音響発生装置
JP2001036993A (ja) 圧電型電気音響変換器
JPS6161759B2 (fr)
JP3924777B2 (ja) フラットスピーカ
JPH0332958B2 (fr)
JP2623643B2 (ja) 超音波セラミックマイクロホン
JPS5983498A (ja) 電気−音響変換装置
JPH09307996A (ja) 圧電スピーカ
JPH0623116Y2 (ja) 薄形スピーカ
JPH0554318B2 (fr)
JPS60182300A (ja) 圧電型電気音響変換器
JPS5819099A (ja) 圧電型スピ−カ
JPS5830385Y2 (ja) 超音波セラミックマイクロホン