JPH01146653U - - Google Patents

Info

Publication number
JPH01146653U
JPH01146653U JP4234088U JP4234088U JPH01146653U JP H01146653 U JPH01146653 U JP H01146653U JP 4234088 U JP4234088 U JP 4234088U JP 4234088 U JP4234088 U JP 4234088U JP H01146653 U JPH01146653 U JP H01146653U
Authority
JP
Japan
Prior art keywords
monitor
switch
telephone device
door intercom
intercom function
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
JP4234088U
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 JP4234088U priority Critical patent/JPH01146653U/ja
Publication of JPH01146653U publication Critical patent/JPH01146653U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP4234088U 1988-03-30 1988-03-30 Pending JPH01146653U (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4234088U JPH01146653U (fr) 1988-03-30 1988-03-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4234088U JPH01146653U (fr) 1988-03-30 1988-03-30

Publications (1)

Publication Number Publication Date
JPH01146653U true JPH01146653U (fr) 1989-10-09

Family

ID=31268750

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4234088U Pending JPH01146653U (fr) 1988-03-30 1988-03-30

Country Status (1)

Country Link
JP (1) JPH01146653U (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03109462U (fr) * 1990-02-23 1991-11-11

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5726958A (en) * 1980-07-25 1982-02-13 Toshiba Electric Equip Corp Interphone device
JPS5946057B2 (ja) * 1977-07-11 1984-11-10 松下電器産業株式会社 磁気記録再生装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5946057B2 (ja) * 1977-07-11 1984-11-10 松下電器産業株式会社 磁気記録再生装置
JPS5726958A (en) * 1980-07-25 1982-02-13 Toshiba Electric Equip Corp Interphone device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03109462U (fr) * 1990-02-23 1991-11-11

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