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 (en]
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

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

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=31367209

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPH0416545Y2 (en])

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 (en]) 1992-04-14

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