JPS52133711A - Circuit two-way operation system - Google Patents

Circuit two-way operation system

Info

Publication number
JPS52133711A
JPS52133711A JP4993476A JP4993476A JPS52133711A JP S52133711 A JPS52133711 A JP S52133711A JP 4993476 A JP4993476 A JP 4993476A JP 4993476 A JP4993476 A JP 4993476A JP S52133711 A JPS52133711 A JP S52133711A
Authority
JP
Japan
Prior art keywords
circuit
operation system
way operation
way
twoway
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
JP4993476A
Other languages
Japanese (ja)
Other versions
JPS5754034B2 (en
Inventor
Tadashi Koshiba
Yasuo Sakurai
Hiroshi Ito
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
Nippon Telegraph and Telephone Corp
Original Assignee
Hitachi Ltd
Nippon Telegraph and Telephone Corp
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, Nippon Telegraph and Telephone Corp filed Critical Hitachi Ltd
Priority to JP4993476A priority Critical patent/JPS52133711A/en
Publication of JPS52133711A publication Critical patent/JPS52133711A/en
Publication of JPS5754034B2 publication Critical patent/JPS5754034B2/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
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme

Landscapes

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

Abstract

PURPOSE:To realize a uniform use of the circuit and thus to secure the circuit twoway operation with no double catch by selecting the idle two-way circuit in the adverse order at the opposite exchange.
JP4993476A 1976-05-04 1976-05-04 Circuit two-way operation system Granted JPS52133711A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4993476A JPS52133711A (en) 1976-05-04 1976-05-04 Circuit two-way operation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4993476A JPS52133711A (en) 1976-05-04 1976-05-04 Circuit two-way operation system

Publications (2)

Publication Number Publication Date
JPS52133711A true JPS52133711A (en) 1977-11-09
JPS5754034B2 JPS5754034B2 (en) 1982-11-16

Family

ID=12844837

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4993476A Granted JPS52133711A (en) 1976-05-04 1976-05-04 Circuit two-way operation system

Country Status (1)

Country Link
JP (1) JPS52133711A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156494A (en) * 1979-05-24 1980-12-05 Kokusai Denshin Denwa Co Ltd <Kdd> Alternation system between exchange unit
JPS56117466A (en) * 1980-02-22 1981-09-14 Nippon Telegr & Teleph Corp <Ntt> Circuit selection/catch system for two-way circuit exchange network
JPS5755652A (en) * 1980-09-20 1982-04-02 Mitsubishi Electric Corp Junction line selection system
JPS61222395A (en) * 1985-03-27 1986-10-02 Nec Corp Electronic key telephone equipment
JPS6251395A (en) * 1985-08-30 1987-03-06 Hitachi Ltd Two-way line selection system
JPS62250791A (en) * 1986-04-23 1987-10-31 Nec Corp Call controlling system for time of call-incomming collision
US5046181A (en) * 1989-03-17 1991-09-03 Fujitsu Limited Switching system with two-way line managing system
JPH07162458A (en) * 1993-10-15 1995-06-23 Internatl Business Mach Corp <Ibm> Method for eliminating confliction of cascade switch and itsdevice
JPH07284131A (en) * 1994-04-13 1995-10-27 Nec Corp Line selection device for two-way operating line group

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5412653A (en) * 1993-10-15 1995-05-02 International Business Machines Corporation Dynamic switch cascading system

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156494A (en) * 1979-05-24 1980-12-05 Kokusai Denshin Denwa Co Ltd <Kdd> Alternation system between exchange unit
JPS6145920B2 (en) * 1979-05-24 1986-10-11 Kokusai Denshin Denwa Co Ltd
JPS56117466A (en) * 1980-02-22 1981-09-14 Nippon Telegr & Teleph Corp <Ntt> Circuit selection/catch system for two-way circuit exchange network
JPS5755652A (en) * 1980-09-20 1982-04-02 Mitsubishi Electric Corp Junction line selection system
JPS61222395A (en) * 1985-03-27 1986-10-02 Nec Corp Electronic key telephone equipment
JPS6251395A (en) * 1985-08-30 1987-03-06 Hitachi Ltd Two-way line selection system
JPS62250791A (en) * 1986-04-23 1987-10-31 Nec Corp Call controlling system for time of call-incomming collision
US5046181A (en) * 1989-03-17 1991-09-03 Fujitsu Limited Switching system with two-way line managing system
JPH07162458A (en) * 1993-10-15 1995-06-23 Internatl Business Mach Corp <Ibm> Method for eliminating confliction of cascade switch and itsdevice
JPH07284131A (en) * 1994-04-13 1995-10-27 Nec Corp Line selection device for two-way operating line group

Also Published As

Publication number Publication date
JPS5754034B2 (en) 1982-11-16

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