JPS522106A - Loop around connection control system - Google Patents

Loop around connection control system

Info

Publication number
JPS522106A
JPS522106A JP7660275A JP7660275A JPS522106A JP S522106 A JPS522106 A JP S522106A JP 7660275 A JP7660275 A JP 7660275A JP 7660275 A JP7660275 A JP 7660275A JP S522106 A JPS522106 A JP S522106A
Authority
JP
Japan
Prior art keywords
loop around
control system
connection control
around connection
therefor
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
JP7660275A
Other languages
Japanese (ja)
Other versions
JPS562998B2 (en
Inventor
Sadayuki Hiraki
Kazuo Yoshida
Hiroshi Chikira
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7660275A priority Critical patent/JPS522106A/en
Publication of JPS522106A publication Critical patent/JPS522106A/en
Publication of JPS562998B2 publication Critical patent/JPS562998B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/48—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using markers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)

Abstract

PURPOSE:To provide an economic loop around connection to offer special service to many subscribers therefor.
JP7660275A 1975-06-24 1975-06-24 Loop around connection control system Granted JPS522106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7660275A JPS522106A (en) 1975-06-24 1975-06-24 Loop around connection control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7660275A JPS522106A (en) 1975-06-24 1975-06-24 Loop around connection control system

Publications (2)

Publication Number Publication Date
JPS522106A true JPS522106A (en) 1977-01-08
JPS562998B2 JPS562998B2 (en) 1981-01-22

Family

ID=13609864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7660275A Granted JPS522106A (en) 1975-06-24 1975-06-24 Loop around connection control system

Country Status (1)

Country Link
JP (1) JPS522106A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53116013A (en) * 1977-03-18 1978-10-11 Fujitsu Ltd Register sender trunk circuit
JPS5444406A (en) * 1977-09-14 1979-04-07 Fujitsu Ltd Relay system for selection signal
JPS5535736U (en) * 1978-08-30 1980-03-07
JPS5563103U (en) * 1978-10-20 1980-04-30
JPS5739180U (en) * 1981-07-16 1982-03-02

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53116013A (en) * 1977-03-18 1978-10-11 Fujitsu Ltd Register sender trunk circuit
JPS5444406A (en) * 1977-09-14 1979-04-07 Fujitsu Ltd Relay system for selection signal
JPS5750119B2 (en) * 1977-09-14 1982-10-26
JPS5535736U (en) * 1978-08-30 1980-03-07
JPS6035984Y2 (en) * 1978-08-30 1985-10-25 日本碍子株式会社 Lightning arrester
JPS5563103U (en) * 1978-10-20 1980-04-30
JPS5756482Y2 (en) * 1978-10-20 1982-12-04
JPS5739180U (en) * 1981-07-16 1982-03-02

Also Published As

Publication number Publication date
JPS562998B2 (en) 1981-01-22

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