JPH01162963U - - Google Patents

Info

Publication number
JPH01162963U
JPH01162963U JP5919288U JP5919288U JPH01162963U JP H01162963 U JPH01162963 U JP H01162963U JP 5919288 U JP5919288 U JP 5919288U JP 5919288 U JP5919288 U JP 5919288U JP H01162963 U JPH01162963 U JP H01162963U
Authority
JP
Japan
Prior art keywords
calling
call
signal
detection
reception
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
JP5919288U
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 JP5919288U priority Critical patent/JPH01162963U/ja
Publication of JPH01162963U publication Critical patent/JPH01162963U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Closed-Circuit Television Systems (AREA)
JP5919288U 1988-04-30 1988-04-30 Pending JPH01162963U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5919288U JPH01162963U (enrdf_load_stackoverflow) 1988-04-30 1988-04-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5919288U JPH01162963U (enrdf_load_stackoverflow) 1988-04-30 1988-04-30

Publications (1)

Publication Number Publication Date
JPH01162963U true JPH01162963U (enrdf_load_stackoverflow) 1989-11-14

Family

ID=31284977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5919288U Pending JPH01162963U (enrdf_load_stackoverflow) 1988-04-30 1988-04-30

Country Status (1)

Country Link
JP (1) JPH01162963U (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03171890A (ja) * 1989-11-29 1991-07-25 Sugiyama Jiyogakuen 遠隔受付応対システム
JP2000134341A (ja) * 1998-10-27 2000-05-12 Matsushita Electric Works Ltd インターホン、テレビインターホン、及びインターホン通話システム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03171890A (ja) * 1989-11-29 1991-07-25 Sugiyama Jiyogakuen 遠隔受付応対システム
JP2000134341A (ja) * 1998-10-27 2000-05-12 Matsushita Electric Works Ltd インターホン、テレビインターホン、及びインターホン通話システム

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