JPS63183792U - - Google Patents

Info

Publication number
JPS63183792U
JPS63183792U JP7447487U JP7447487U JPS63183792U JP S63183792 U JPS63183792 U JP S63183792U JP 7447487 U JP7447487 U JP 7447487U JP 7447487 U JP7447487 U JP 7447487U JP S63183792 U JPS63183792 U JP S63183792U
Authority
JP
Japan
Prior art keywords
optical reflector
acoustoelectric transducer
speaker
input
microphone
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
JP7447487U
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 JP7447487U priority Critical patent/JPS63183792U/ja
Publication of JPS63183792U publication Critical patent/JPS63183792U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Audible-Bandwidth Transducers (AREA)
JP7447487U 1987-05-20 1987-05-20 Pending JPS63183792U (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7447487U JPS63183792U (en]) 1987-05-20 1987-05-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7447487U JPS63183792U (en]) 1987-05-20 1987-05-20

Publications (1)

Publication Number Publication Date
JPS63183792U true JPS63183792U (en]) 1988-11-25

Family

ID=30919726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7447487U Pending JPS63183792U (en]) 1987-05-20 1987-05-20

Country Status (1)

Country Link
JP (1) JPS63183792U (en])

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