JPH0581106B2 - - Google Patents

Info

Publication number
JPH0581106B2
JPH0581106B2 JP60099073A JP9907385A JPH0581106B2 JP H0581106 B2 JPH0581106 B2 JP H0581106B2 JP 60099073 A JP60099073 A JP 60099073A JP 9907385 A JP9907385 A JP 9907385A JP H0581106 B2 JPH0581106 B2 JP H0581106B2
Authority
JP
Japan
Prior art keywords
intercom
call
telephone
conversation
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.)
Expired - Lifetime
Application number
JP60099073A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61257057A (ja
Inventor
Junichi Kamei
Yoshiaki Ichikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 by Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP9907385A priority Critical patent/JPS61257057A/ja
Publication of JPS61257057A publication Critical patent/JPS61257057A/ja
Publication of JPH0581106B2 publication Critical patent/JPH0581106B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP9907385A 1985-05-10 1985-05-10 インタ−ホンシステム Granted JPS61257057A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9907385A JPS61257057A (ja) 1985-05-10 1985-05-10 インタ−ホンシステム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9907385A JPS61257057A (ja) 1985-05-10 1985-05-10 インタ−ホンシステム

Publications (2)

Publication Number Publication Date
JPS61257057A JPS61257057A (ja) 1986-11-14
JPH0581106B2 true JPH0581106B2 (enExample) 1993-11-11

Family

ID=14237730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9907385A Granted JPS61257057A (ja) 1985-05-10 1985-05-10 インタ−ホンシステム

Country Status (1)

Country Link
JP (1) JPS61257057A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07264328A (ja) * 1994-03-17 1995-10-13 Nitsuko Corp 端末切替装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5211333B2 (enExample) * 1972-05-02 1977-03-30
JPS56141652A (en) * 1980-04-08 1981-11-05 Taiko Denki Seisakusho:Kk Interphone equipment

Also Published As

Publication number Publication date
JPS61257057A (ja) 1986-11-14

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