JPS61174243U - - Google Patents

Info

Publication number
JPS61174243U
JPS61174243U JP5669085U JP5669085U JPS61174243U JP S61174243 U JPS61174243 U JP S61174243U JP 5669085 U JP5669085 U JP 5669085U JP 5669085 U JP5669085 U JP 5669085U JP S61174243 U JPS61174243 U JP S61174243U
Authority
JP
Japan
Prior art keywords
output
microphone
variable gain
gain amplifier
detection circuit
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
JP5669085U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0419869Y2 (US07943777-20110517-C00090.png
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 JP1985056690U priority Critical patent/JPH0419869Y2/ja
Publication of JPS61174243U publication Critical patent/JPS61174243U/ja
Application granted granted Critical
Publication of JPH0419869Y2 publication Critical patent/JPH0419869Y2/ja
Expired legal-status Critical Current

Links

JP1985056690U 1985-04-15 1985-04-15 Expired JPH0419869Y2 (US07943777-20110517-C00090.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985056690U JPH0419869Y2 (US07943777-20110517-C00090.png) 1985-04-15 1985-04-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985056690U JPH0419869Y2 (US07943777-20110517-C00090.png) 1985-04-15 1985-04-15

Publications (2)

Publication Number Publication Date
JPS61174243U true JPS61174243U (US07943777-20110517-C00090.png) 1986-10-30
JPH0419869Y2 JPH0419869Y2 (US07943777-20110517-C00090.png) 1992-05-07

Family

ID=30580529

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985056690U Expired JPH0419869Y2 (US07943777-20110517-C00090.png) 1985-04-15 1985-04-15

Country Status (1)

Country Link
JP (1) JPH0419869Y2 (US07943777-20110517-C00090.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525581U (US07943777-20110517-C00090.png) * 1978-08-10 1980-02-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525581U (US07943777-20110517-C00090.png) * 1978-08-10 1980-02-19

Also Published As

Publication number Publication date
JPH0419869Y2 (US07943777-20110517-C00090.png) 1992-05-07

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