JPS63174755U - - Google Patents

Info

Publication number
JPS63174755U
JPS63174755U JP15415986U JP15415986U JPS63174755U JP S63174755 U JPS63174755 U JP S63174755U JP 15415986 U JP15415986 U JP 15415986U JP 15415986 U JP15415986 U JP 15415986U JP S63174755 U JPS63174755 U JP S63174755U
Authority
JP
Japan
Prior art keywords
circuit
notification sound
activated
destination device
timer circuit
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
JP15415986U
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 JP15415986U priority Critical patent/JPS63174755U/ja
Publication of JPS63174755U publication Critical patent/JPS63174755U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP15415986U 1986-10-07 1986-10-07 Pending JPS63174755U (US06623731-20030923-C00052.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15415986U JPS63174755U (US06623731-20030923-C00052.png) 1986-10-07 1986-10-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15415986U JPS63174755U (US06623731-20030923-C00052.png) 1986-10-07 1986-10-07

Publications (1)

Publication Number Publication Date
JPS63174755U true JPS63174755U (US06623731-20030923-C00052.png) 1988-11-14

Family

ID=31073700

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15415986U Pending JPS63174755U (US06623731-20030923-C00052.png) 1986-10-07 1986-10-07

Country Status (1)

Country Link
JP (1) JPS63174755U (US06623731-20030923-C00052.png)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53149702A (en) * 1978-03-02 1978-12-27 Aiphone Co Ltd Circuit for calling interphone
JPS57141167A (en) * 1981-02-26 1982-09-01 Fujitsu Ltd Calling bell ringing system of interphone

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53149702A (en) * 1978-03-02 1978-12-27 Aiphone Co Ltd Circuit for calling interphone
JPS57141167A (en) * 1981-02-26 1982-09-01 Fujitsu Ltd Calling bell ringing system of interphone

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