JPS5825754A - 事業所集団電話装置 - Google Patents

事業所集団電話装置

Info

Publication number
JPS5825754A
JPS5825754A JP12403481A JP12403481A JPS5825754A JP S5825754 A JPS5825754 A JP S5825754A JP 12403481 A JP12403481 A JP 12403481A JP 12403481 A JP12403481 A JP 12403481A JP S5825754 A JPS5825754 A JP S5825754A
Authority
JP
Japan
Prior art keywords
operator
digital
signal
memory
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
JP12403481A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6239867B2 (cs
Inventor
Kazuhiro Kasama
笠間　和博
Yasumasa Iwase
岩瀬　康政
Junji Asakura
朝倉　純二
Kaoru Tokunaga
徳永　馥
Hiroshi Oki
博 大木
Takaaki Osaki
大崎　隆昭
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.)
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Original Assignee
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
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 Fujitsu Ltd, Hitachi Ltd, NEC Corp, Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP12403481A priority Critical patent/JPS5825754A/ja
Publication of JPS5825754A publication Critical patent/JPS5825754A/ja
Publication of JPS6239867B2 publication Critical patent/JPS6239867B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
JP12403481A 1981-08-10 1981-08-10 事業所集団電話装置 Granted JPS5825754A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12403481A JPS5825754A (ja) 1981-08-10 1981-08-10 事業所集団電話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12403481A JPS5825754A (ja) 1981-08-10 1981-08-10 事業所集団電話装置

Publications (2)

Publication Number Publication Date
JPS5825754A true JPS5825754A (ja) 1983-02-16
JPS6239867B2 JPS6239867B2 (cs) 1987-08-25

Family

ID=14875382

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12403481A Granted JPS5825754A (ja) 1981-08-10 1981-08-10 事業所集団電話装置

Country Status (1)

Country Link
JP (1) JPS5825754A (cs)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55151850A (en) * 1979-05-17 1980-11-26 Fujitsu Ltd Digital conference telephone system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55151850A (en) * 1979-05-17 1980-11-26 Fujitsu Ltd Digital conference telephone system

Also Published As

Publication number Publication date
JPS6239867B2 (cs) 1987-08-25

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