JPS5412213B2 - - Google Patents

Info

Publication number
JPS5412213B2
JPS5412213B2 JP5401374A JP5401374A JPS5412213B2 JP S5412213 B2 JPS5412213 B2 JP S5412213B2 JP 5401374 A JP5401374 A JP 5401374A JP 5401374 A JP5401374 A JP 5401374A JP S5412213 B2 JPS5412213 B2 JP S5412213B2
Authority
JP
Japan
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
JP5401374A
Other languages
Japanese (ja)
Other versions
JPS50146324A (el
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 JP5401374A priority Critical patent/JPS5412213B2/ja
Publication of JPS50146324A publication Critical patent/JPS50146324A/ja
Publication of JPS5412213B2 publication Critical patent/JPS5412213B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)
JP5401374A 1974-05-15 1974-05-15 Expired JPS5412213B2 (el)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5401374A JPS5412213B2 (el) 1974-05-15 1974-05-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5401374A JPS5412213B2 (el) 1974-05-15 1974-05-15

Publications (2)

Publication Number Publication Date
JPS50146324A JPS50146324A (el) 1975-11-25
JPS5412213B2 true JPS5412213B2 (el) 1979-05-21

Family

ID=12958691

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5401374A Expired JPS5412213B2 (el) 1974-05-15 1974-05-15

Country Status (1)

Country Link
JP (1) JPS5412213B2 (el)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7502453A (nl) * 1975-03-03 1976-09-07 Philips Nv Inrichting voor het omzetten van elektrische in akoestische trillingen en omgekeerd, voorzien van een membraan, bevattende tenminste een laag piezo-elektrisch polymeer materiaal.
JPS5274332A (en) * 1975-12-17 1977-06-22 Matsushita Electric Ind Co Ltd Electric acoustic converter
JPS5288326A (en) * 1976-01-19 1977-07-23 Matsushita Electric Ind Co Ltd Microphone
NL7703836A (nl) * 1977-04-07 1977-06-30 Philips Nv Een membraan bestaande uit tenminste een folie van een piezoelektrisch polymeermateriaal.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4856128A (el) * 1971-11-11 1973-08-07
JPS4890723A (el) * 1972-03-07 1973-11-27

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4856128A (el) * 1971-11-11 1973-08-07
JPS4890723A (el) * 1972-03-07 1973-11-27

Also Published As

Publication number Publication date
JPS50146324A (el) 1975-11-25

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