JPS63140712U - - Google Patents

Info

Publication number
JPS63140712U
JPS63140712U JP3263987U JP3263987U JPS63140712U JP S63140712 U JPS63140712 U JP S63140712U JP 3263987 U JP3263987 U JP 3263987U JP 3263987 U JP3263987 U JP 3263987U JP S63140712 U JPS63140712 U JP S63140712U
Authority
JP
Japan
Prior art keywords
amplifier
circuit
noise detection
ambient noise
voltage conversion
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
JP3263987U
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 JP3263987U priority Critical patent/JPS63140712U/ja
Publication of JPS63140712U publication Critical patent/JPS63140712U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP3263987U 1987-03-05 1987-03-05 Pending JPS63140712U (US07166745-20070123-C00016.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3263987U JPS63140712U (US07166745-20070123-C00016.png) 1987-03-05 1987-03-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3263987U JPS63140712U (US07166745-20070123-C00016.png) 1987-03-05 1987-03-05

Publications (1)

Publication Number Publication Date
JPS63140712U true JPS63140712U (US07166745-20070123-C00016.png) 1988-09-16

Family

ID=30839510

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3263987U Pending JPS63140712U (US07166745-20070123-C00016.png) 1987-03-05 1987-03-05

Country Status (1)

Country Link
JP (1) JPS63140712U (US07166745-20070123-C00016.png)

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