JPH0354475Y2 - - Google Patents

Info

Publication number
JPH0354475Y2
JPH0354475Y2 JP1981028976U JP2897681U JPH0354475Y2 JP H0354475 Y2 JPH0354475 Y2 JP H0354475Y2 JP 1981028976 U JP1981028976 U JP 1981028976U JP 2897681 U JP2897681 U JP 2897681U JP H0354475 Y2 JPH0354475 Y2 JP H0354475Y2
Authority
JP
Japan
Prior art keywords
microphone
output
electret
unit
microphone unit
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
JP1981028976U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57143782U (ru
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 JP1981028976U priority Critical patent/JPH0354475Y2/ja
Publication of JPS57143782U publication Critical patent/JPS57143782U/ja
Application granted granted Critical
Publication of JPH0354475Y2 publication Critical patent/JPH0354475Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP1981028976U 1981-03-04 1981-03-04 Expired JPH0354475Y2 (ru)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981028976U JPH0354475Y2 (ru) 1981-03-04 1981-03-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981028976U JPH0354475Y2 (ru) 1981-03-04 1981-03-04

Publications (2)

Publication Number Publication Date
JPS57143782U JPS57143782U (ru) 1982-09-09
JPH0354475Y2 true JPH0354475Y2 (ru) 1991-12-02

Family

ID=29826601

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981028976U Expired JPH0354475Y2 (ru) 1981-03-04 1981-03-04

Country Status (1)

Country Link
JP (1) JPH0354475Y2 (ru)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5689194A (en) * 1979-12-20 1981-07-20 Victor Co Of Japan Ltd Secondary acoustic pressure inclination unidirectional microphone system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5689194A (en) * 1979-12-20 1981-07-20 Victor Co Of Japan Ltd Secondary acoustic pressure inclination unidirectional microphone system

Also Published As

Publication number Publication date
JPS57143782U (ru) 1982-09-09

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