JPH0444793U - - Google Patents

Info

Publication number
JPH0444793U
JPH0444793U JP8713890U JP8713890U JPH0444793U JP H0444793 U JPH0444793 U JP H0444793U JP 8713890 U JP8713890 U JP 8713890U JP 8713890 U JP8713890 U JP 8713890U JP H0444793 U JPH0444793 U JP H0444793U
Authority
JP
Japan
Prior art keywords
microphone
level
detection circuit
housing
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.)
Pending
Application number
JP8713890U
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 JP8713890U priority Critical patent/JPH0444793U/ja
Publication of JPH0444793U publication Critical patent/JPH0444793U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP8713890U 1990-08-21 1990-08-21 Pending JPH0444793U (US07488766-20090210-C00029.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8713890U JPH0444793U (US07488766-20090210-C00029.png) 1990-08-21 1990-08-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8713890U JPH0444793U (US07488766-20090210-C00029.png) 1990-08-21 1990-08-21

Publications (1)

Publication Number Publication Date
JPH0444793U true JPH0444793U (US07488766-20090210-C00029.png) 1992-04-16

Family

ID=31819240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8713890U Pending JPH0444793U (US07488766-20090210-C00029.png) 1990-08-21 1990-08-21

Country Status (1)

Country Link
JP (1) JPH0444793U (US07488766-20090210-C00029.png)

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