JPH0434051U - - Google Patents

Info

Publication number
JPH0434051U
JPH0434051U JP7483790U JP7483790U JPH0434051U JP H0434051 U JPH0434051 U JP H0434051U JP 7483790 U JP7483790 U JP 7483790U JP 7483790 U JP7483790 U JP 7483790U JP H0434051 U JPH0434051 U JP H0434051U
Authority
JP
Japan
Prior art keywords
call
signal
door intercom
hook detection
hook
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
JP7483790U
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 JP7483790U priority Critical patent/JPH0434051U/ja
Publication of JPH0434051U publication Critical patent/JPH0434051U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP7483790U 1990-07-13 1990-07-13 Pending JPH0434051U (enrdf_load_html_response)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7483790U JPH0434051U (enrdf_load_html_response) 1990-07-13 1990-07-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7483790U JPH0434051U (enrdf_load_html_response) 1990-07-13 1990-07-13

Publications (1)

Publication Number Publication Date
JPH0434051U true JPH0434051U (enrdf_load_html_response) 1992-03-19

Family

ID=31614882

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7483790U Pending JPH0434051U (enrdf_load_html_response) 1990-07-13 1990-07-13

Country Status (1)

Country Link
JP (1) JPH0434051U (enrdf_load_html_response)

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