JPS5825677Y2 - 圧電形スピ−カ - Google Patents

圧電形スピ−カ

Info

Publication number
JPS5825677Y2
JPS5825677Y2 JP1978046203U JP4620378U JPS5825677Y2 JP S5825677 Y2 JPS5825677 Y2 JP S5825677Y2 JP 1978046203 U JP1978046203 U JP 1978046203U JP 4620378 U JP4620378 U JP 4620378U JP S5825677 Y2 JPS5825677 Y2 JP S5825677Y2
Authority
JP
Japan
Prior art keywords
piezoelectric speaker
resonance
piezoelectric
bimorph element
piezoelectric bimorph
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
JP1978046203U
Other languages
English (en)
Japanese (ja)
Other versions
JPS54149236U (enrdf_load_stackoverflow
Inventor
正二 中島
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 JP1978046203U priority Critical patent/JPS5825677Y2/ja
Priority to GB7910335A priority patent/GB2018548B/en
Priority to CA324,125A priority patent/CA1124830A/en
Priority to US06/026,539 priority patent/US4283605A/en
Priority to DE2913957A priority patent/DE2913957C3/de
Publication of JPS54149236U publication Critical patent/JPS54149236U/ja
Application granted granted Critical
Publication of JPS5825677Y2 publication Critical patent/JPS5825677Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP1978046203U 1978-04-07 1978-04-07 圧電形スピ−カ Expired JPS5825677Y2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1978046203U JPS5825677Y2 (ja) 1978-04-07 1978-04-07 圧電形スピ−カ
GB7910335A GB2018548B (en) 1978-04-07 1979-03-23 Piezoelectric speaker
CA324,125A CA1124830A (en) 1978-04-07 1979-03-26 Piezoelectric speaker
US06/026,539 US4283605A (en) 1978-04-07 1979-04-02 Piezoelectric speaker
DE2913957A DE2913957C3 (de) 1978-04-07 1979-04-06 Piezoelektrischer Lautsprecher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1978046203U JPS5825677Y2 (ja) 1978-04-07 1978-04-07 圧電形スピ−カ

Publications (2)

Publication Number Publication Date
JPS54149236U JPS54149236U (enrdf_load_stackoverflow) 1979-10-17
JPS5825677Y2 true JPS5825677Y2 (ja) 1983-06-02

Family

ID=28925895

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1978046203U Expired JPS5825677Y2 (ja) 1978-04-07 1978-04-07 圧電形スピ−カ

Country Status (1)

Country Link
JP (1) JPS5825677Y2 (enrdf_load_stackoverflow)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3645402A (en) * 1970-12-10 1972-02-29 Mack Trucks Liquid coolant conditioner
US3786202A (en) * 1972-04-10 1974-01-15 Motorola Inc Acoustic transducer including piezoelectric driving element
JPS5148042U (enrdf_load_stackoverflow) * 1974-10-09 1976-04-09
JPS51143317A (en) * 1975-06-03 1976-12-09 Sanyo Electric Co Ltd Speeker
JPS565438Y2 (enrdf_load_stackoverflow) * 1975-08-15 1981-02-05
JPS5512556Y2 (enrdf_load_stackoverflow) * 1975-12-18 1980-03-19
JPS5551115Y2 (enrdf_load_stackoverflow) * 1976-03-25 1980-11-28

Also Published As

Publication number Publication date
JPS54149236U (enrdf_load_stackoverflow) 1979-10-17

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