JPH0197699U - - Google Patents

Info

Publication number
JPH0197699U
JPH0197699U JP19243187U JP19243187U JPH0197699U JP H0197699 U JPH0197699 U JP H0197699U JP 19243187 U JP19243187 U JP 19243187U JP 19243187 U JP19243187 U JP 19243187U JP H0197699 U JPH0197699 U JP H0197699U
Authority
JP
Japan
Prior art keywords
microphone
selection
devices
microphone device
signal
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
JP19243187U
Other languages
English (en)
Japanese (ja)
Other versions
JPH057838Y2 (US06534493-20030318-C00166.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 JP19243187U priority Critical patent/JPH057838Y2/ja
Publication of JPH0197699U publication Critical patent/JPH0197699U/ja
Application granted granted Critical
Publication of JPH057838Y2 publication Critical patent/JPH057838Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Circuit For Audible Band Transducer (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP19243187U 1987-12-18 1987-12-18 Expired - Lifetime JPH057838Y2 (US06534493-20030318-C00166.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19243187U JPH057838Y2 (US06534493-20030318-C00166.png) 1987-12-18 1987-12-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19243187U JPH057838Y2 (US06534493-20030318-C00166.png) 1987-12-18 1987-12-18

Publications (2)

Publication Number Publication Date
JPH0197699U true JPH0197699U (US06534493-20030318-C00166.png) 1989-06-29
JPH057838Y2 JPH057838Y2 (US06534493-20030318-C00166.png) 1993-02-26

Family

ID=31483290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19243187U Expired - Lifetime JPH057838Y2 (US06534493-20030318-C00166.png) 1987-12-18 1987-12-18

Country Status (1)

Country Link
JP (1) JPH057838Y2 (US06534493-20030318-C00166.png)

Also Published As

Publication number Publication date
JPH057838Y2 (US06534493-20030318-C00166.png) 1993-02-26

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