JPS623152U - - Google Patents

Info

Publication number
JPS623152U
JPS623152U JP9469585U JP9469585U JPS623152U JP S623152 U JPS623152 U JP S623152U JP 9469585 U JP9469585 U JP 9469585U JP 9469585 U JP9469585 U JP 9469585U JP S623152 U JPS623152 U JP S623152U
Authority
JP
Japan
Prior art keywords
transmission line
signal transmission
switch
intercom
speaker
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
JP9469585U
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 JP9469585U priority Critical patent/JPS623152U/ja
Publication of JPS623152U publication Critical patent/JPS623152U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Circuits Of Receivers In General (AREA)
JP9469585U 1985-06-22 1985-06-22 Pending JPS623152U (da)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9469585U JPS623152U (da) 1985-06-22 1985-06-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9469585U JPS623152U (da) 1985-06-22 1985-06-22

Publications (1)

Publication Number Publication Date
JPS623152U true JPS623152U (da) 1987-01-09

Family

ID=30653401

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9469585U Pending JPS623152U (da) 1985-06-22 1985-06-22

Country Status (1)

Country Link
JP (1) JPS623152U (da)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS493389A (da) * 1972-05-06 1974-01-12
JPS58164365A (ja) * 1982-03-24 1983-09-29 Seikosha Co Ltd ラジオ付インタ−ホン

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS493389A (da) * 1972-05-06 1974-01-12
JPS58164365A (ja) * 1982-03-24 1983-09-29 Seikosha Co Ltd ラジオ付インタ−ホン

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