JPS6294059A - ドアホン電話切換装置 - Google Patents

ドアホン電話切換装置

Info

Publication number
JPS6294059A
JPS6294059A JP23420885A JP23420885A JPS6294059A JP S6294059 A JPS6294059 A JP S6294059A JP 23420885 A JP23420885 A JP 23420885A JP 23420885 A JP23420885 A JP 23420885A JP S6294059 A JPS6294059 A JP S6294059A
Authority
JP
Japan
Prior art keywords
call
circuit
switch
central office
office line
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
JP23420885A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0342827B2 (enrdf_load_stackoverflow
Inventor
Akihiro Kojima
小島　明宏
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.)
AIHON KK
Aiphone Co Ltd
Original Assignee
AIHON KK
Aiphone 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 AIHON KK, Aiphone Co Ltd filed Critical AIHON KK
Priority to JP23420885A priority Critical patent/JPS6294059A/ja
Publication of JPS6294059A publication Critical patent/JPS6294059A/ja
Publication of JPH0342827B2 publication Critical patent/JPH0342827B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP23420885A 1985-10-18 1985-10-18 ドアホン電話切換装置 Granted JPS6294059A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23420885A JPS6294059A (ja) 1985-10-18 1985-10-18 ドアホン電話切換装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23420885A JPS6294059A (ja) 1985-10-18 1985-10-18 ドアホン電話切換装置

Publications (2)

Publication Number Publication Date
JPS6294059A true JPS6294059A (ja) 1987-04-30
JPH0342827B2 JPH0342827B2 (enrdf_load_stackoverflow) 1991-06-28

Family

ID=16967386

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23420885A Granted JPS6294059A (ja) 1985-10-18 1985-10-18 ドアホン電話切換装置

Country Status (1)

Country Link
JP (1) JPS6294059A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63304757A (ja) * 1987-06-05 1988-12-13 Aihon Kk 電話機能付ナ−スコ−ル端末装置
JPS6484960A (en) * 1987-09-25 1989-03-30 Matsushita Electric Works Ltd Telephone device
JPH0235559U (enrdf_load_stackoverflow) * 1988-08-26 1990-03-07

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63304757A (ja) * 1987-06-05 1988-12-13 Aihon Kk 電話機能付ナ−スコ−ル端末装置
JPS6484960A (en) * 1987-09-25 1989-03-30 Matsushita Electric Works Ltd Telephone device
JPH0235559U (enrdf_load_stackoverflow) * 1988-08-26 1990-03-07

Also Published As

Publication number Publication date
JPH0342827B2 (enrdf_load_stackoverflow) 1991-06-28

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Legal Events

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