JPS63152344U - - Google Patents

Info

Publication number
JPS63152344U
JPS63152344U JP4383987U JP4383987U JPS63152344U JP S63152344 U JPS63152344 U JP S63152344U JP 4383987 U JP4383987 U JP 4383987U JP 4383987 U JP4383987 U JP 4383987U JP S63152344 U JPS63152344 U JP S63152344U
Authority
JP
Japan
Prior art keywords
counter
speaker
panel
microphone
microphones
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
JP4383987U
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 JP4383987U priority Critical patent/JPS63152344U/ja
Publication of JPS63152344U publication Critical patent/JPS63152344U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP4383987U 1987-03-25 1987-03-25 Pending JPS63152344U (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4383987U JPS63152344U (enExample) 1987-03-25 1987-03-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4383987U JPS63152344U (enExample) 1987-03-25 1987-03-25

Publications (1)

Publication Number Publication Date
JPS63152344U true JPS63152344U (enExample) 1988-10-06

Family

ID=30861079

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4383987U Pending JPS63152344U (enExample) 1987-03-25 1987-03-25

Country Status (1)

Country Link
JP (1) JPS63152344U (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01125098A (ja) * 1987-11-09 1989-05-17 Sony Corp マイクロホン装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49131506A (enExample) * 1973-04-20 1974-12-17
JPS54124904A (en) * 1978-03-22 1979-09-28 Aiphone Co Ltd Method of eliminating howling of speaker type simultaneous talking interphone and speaker type simultaneous talking interphone

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49131506A (enExample) * 1973-04-20 1974-12-17
JPS54124904A (en) * 1978-03-22 1979-09-28 Aiphone Co Ltd Method of eliminating howling of speaker type simultaneous talking interphone and speaker type simultaneous talking interphone

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01125098A (ja) * 1987-11-09 1989-05-17 Sony Corp マイクロホン装置

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