JPS58157297A - スピ−カ - Google Patents

スピ−カ

Info

Publication number
JPS58157297A
JPS58157297A JP57041285A JP4128582A JPS58157297A JP S58157297 A JPS58157297 A JP S58157297A JP 57041285 A JP57041285 A JP 57041285A JP 4128582 A JP4128582 A JP 4128582A JP S58157297 A JPS58157297 A JP S58157297A
Authority
JP
Japan
Prior art keywords
diaphragm
piezoelectric element
fixed
swelled
frame
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.)
Granted
Application number
JP57041285A
Other languages
English (en)
Japanese (ja)
Other versions
JPS632520B2 (cg-RX-API-DMAC7.html
Inventor
Kazumi Teratani
一三 寺谷
Hideo Takei
武井　英男
Shinichi Oki
信一 大木
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 JP57041285A priority Critical patent/JPS58157297A/ja
Publication of JPS58157297A publication Critical patent/JPS58157297A/ja
Publication of JPS632520B2 publication Critical patent/JPS632520B2/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP57041285A 1982-03-15 1982-03-15 スピ−カ Granted JPS58157297A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57041285A JPS58157297A (ja) 1982-03-15 1982-03-15 スピ−カ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57041285A JPS58157297A (ja) 1982-03-15 1982-03-15 スピ−カ

Publications (2)

Publication Number Publication Date
JPS58157297A true JPS58157297A (ja) 1983-09-19
JPS632520B2 JPS632520B2 (cg-RX-API-DMAC7.html) 1988-01-19

Family

ID=12604168

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57041285A Granted JPS58157297A (ja) 1982-03-15 1982-03-15 スピ−カ

Country Status (1)

Country Link
JP (1) JPS58157297A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01283000A (ja) * 1988-05-10 1989-11-14 Sony Corp スピーカ装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01283000A (ja) * 1988-05-10 1989-11-14 Sony Corp スピーカ装置

Also Published As

Publication number Publication date
JPS632520B2 (cg-RX-API-DMAC7.html) 1988-01-19

Similar Documents

Publication Publication Date Title
US3708702A (en) Electroacoustic transducer
JPS6132879B2 (cg-RX-API-DMAC7.html)
JPS587999A (ja) 圧電型スピ−カ
JPS58157297A (ja) スピ−カ
JPS6299680A (ja) 圧縮機の騒音減衰装置
JPH06241931A (ja) 半導体圧力センサー
JP2580548B2 (ja) 圧電スピ−カ
JPS5831800B2 (ja) ド−ム型スピ−カ−の製造装置
JPS5829675Y2 (ja) スピ−カ
JPS5912880Y2 (ja) 超音波発生装置
JPS633279Y2 (cg-RX-API-DMAC7.html)
JPS5829676Y2 (ja) 圧電型スピ−カ
JPS5946095U (ja) 圧電型スピ−カ−
JPH055755Y2 (cg-RX-API-DMAC7.html)
JPS5834866Y2 (ja) 平板型スピ−カ−
JPS5830384Y2 (ja) 超音波電気音響変換器
KR100336987B1 (ko) 스피커
JPS5883496A (ja) スピ−カ用振動板およびその製造法
JPS6024064Y2 (ja) 圧電スピ−カ−
JPS58133099A (ja) スピ−カ
JPS6142091Y2 (cg-RX-API-DMAC7.html)
JPS59878Y2 (ja) 圧電ブザ−
JPS63314998A (ja) 圧電発音体
JPH05292597A (ja) 超音波送受波器
JPS5822000A (ja) 圧電型スピ−カ