JPH01112821U - - Google Patents

Info

Publication number
JPH01112821U
JPH01112821U JP783088U JP783088U JPH01112821U JP H01112821 U JPH01112821 U JP H01112821U JP 783088 U JP783088 U JP 783088U JP 783088 U JP783088 U JP 783088U JP H01112821 U JPH01112821 U JP H01112821U
Authority
JP
Japan
Prior art keywords
circuit
power amplifier
amplifier circuit
microphone
amplifies
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.)
Pending
Application number
JP783088U
Other languages
English (en)
Japanese (ja)
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 JP783088U priority Critical patent/JPH01112821U/ja
Publication of JPH01112821U publication Critical patent/JPH01112821U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Networks Using Active Elements (AREA)
JP783088U 1988-01-25 1988-01-25 Pending JPH01112821U (US07993877-20110809-P00003.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP783088U JPH01112821U (US07993877-20110809-P00003.png) 1988-01-25 1988-01-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP783088U JPH01112821U (US07993877-20110809-P00003.png) 1988-01-25 1988-01-25

Publications (1)

Publication Number Publication Date
JPH01112821U true JPH01112821U (US07993877-20110809-P00003.png) 1989-07-28

Family

ID=31213176

Family Applications (1)

Application Number Title Priority Date Filing Date
JP783088U Pending JPH01112821U (US07993877-20110809-P00003.png) 1988-01-25 1988-01-25

Country Status (1)

Country Link
JP (1) JPH01112821U (US07993877-20110809-P00003.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5676946A (en) * 1979-11-30 1981-06-24 Kanagawa Prefecture Hearing sense auxiliary device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5676946A (en) * 1979-11-30 1981-06-24 Kanagawa Prefecture Hearing sense auxiliary device

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