JPH0241580U - - Google Patents

Info

Publication number
JPH0241580U
JPH0241580U JP12078688U JP12078688U JPH0241580U JP H0241580 U JPH0241580 U JP H0241580U JP 12078688 U JP12078688 U JP 12078688U JP 12078688 U JP12078688 U JP 12078688U JP H0241580 U JPH0241580 U JP H0241580U
Authority
JP
Japan
Prior art keywords
timer
signal
switch
circuit
call switch
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
JP12078688U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0416545Y2 (pm
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 JP12078688U priority Critical patent/JPH0416545Y2/ja
Publication of JPH0241580U publication Critical patent/JPH0241580U/ja
Application granted granted Critical
Publication of JPH0416545Y2 publication Critical patent/JPH0416545Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Burglar Alarm Systems (AREA)
JP12078688U 1988-09-13 1988-09-13 Expired JPH0416545Y2 (pm)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12078688U JPH0416545Y2 (pm) 1988-09-13 1988-09-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12078688U JPH0416545Y2 (pm) 1988-09-13 1988-09-13

Publications (2)

Publication Number Publication Date
JPH0241580U true JPH0241580U (pm) 1990-03-22
JPH0416545Y2 JPH0416545Y2 (pm) 1992-04-14

Family

ID=31367209

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12078688U Expired JPH0416545Y2 (pm) 1988-09-13 1988-09-13

Country Status (1)

Country Link
JP (1) JPH0416545Y2 (pm)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04150391A (ja) * 1990-10-11 1992-05-22 Aiphone Co Ltd テレビドアホン装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04150391A (ja) * 1990-10-11 1992-05-22 Aiphone Co Ltd テレビドアホン装置

Also Published As

Publication number Publication date
JPH0416545Y2 (pm) 1992-04-14

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