JPS5696593A - Representative selection system - Google Patents

Representative selection system

Info

Publication number
JPS5696593A
JPS5696593A JP17284679A JP17284679A JPS5696593A JP S5696593 A JPS5696593 A JP S5696593A JP 17284679 A JP17284679 A JP 17284679A JP 17284679 A JP17284679 A JP 17284679A JP S5696593 A JPS5696593 A JP S5696593A
Authority
JP
Japan
Prior art keywords
lead
telephone set
group
marker
memory
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
JP17284679A
Other languages
Japanese (ja)
Other versions
JPS6244759B2 (en
Inventor
Shiyuuji Oka
Nobuo Odaka
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
NEC Corp
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP17284679A priority Critical patent/JPS5696593A/en
Publication of JPS5696593A publication Critical patent/JPS5696593A/en
Publication of JPS6244759B2 publication Critical patent/JPS6244759B2/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 reduce the decrease in the rate of call end, by providing presence/ absence display memory, allowing to transmit callout signal only to a telephone set for the present subscribers in vacant state in the representative group. CONSTITUTION:A telephone set 11 is accomodated in a line relay group 12 and further connected to a link 14 via the group 12. The group 12 is provided with a presence/absence display memory 13 every telephone set 11. Vacant information or busy and absence information is input to the marker 16 via the lead 21 and representative selection circuit 17, and the dial information from an outgoing resistor 15 is input to the marker 16 via the lead 22. Further, the dial information with specific number from the register 15 is fed to the marker 16, and ground is fed to the memory 13 corresponding to the telephone set 11 via the lead 20. The memory 13 opens the lead 21 to the circuit 17 with the ground, and the contact 18 of a cut- off relay is open when busy to open the lead 21, and the call out signal is transmitted only to the telephone set 11 for present subscriber.
JP17284679A 1979-12-28 1979-12-28 Representative selection system Granted JPS5696593A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17284679A JPS5696593A (en) 1979-12-28 1979-12-28 Representative selection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17284679A JPS5696593A (en) 1979-12-28 1979-12-28 Representative selection system

Publications (2)

Publication Number Publication Date
JPS5696593A true JPS5696593A (en) 1981-08-04
JPS6244759B2 JPS6244759B2 (en) 1987-09-22

Family

ID=15949395

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17284679A Granted JPS5696593A (en) 1979-12-28 1979-12-28 Representative selection system

Country Status (1)

Country Link
JP (1) JPS5696593A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63155873U (en) * 1987-03-31 1988-10-13

Also Published As

Publication number Publication date
JPS6244759B2 (en) 1987-09-22

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