JPS52129308A - Mutual extension talking system - Google Patents

Mutual extension talking system

Info

Publication number
JPS52129308A
JPS52129308A JP4622876A JP4622876A JPS52129308A JP S52129308 A JPS52129308 A JP S52129308A JP 4622876 A JP4622876 A JP 4622876A JP 4622876 A JP4622876 A JP 4622876A JP S52129308 A JPS52129308 A JP S52129308A
Authority
JP
Japan
Prior art keywords
mutual extension
talking system
extension talking
mutual
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
JP4622876A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5623356B2 (enrdf_load_stackoverflow
Inventor
Yoshinori Ishida
Juichi Shimamori
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.)
Iwatsu Electric Co Ltd
Original Assignee
Iwatsu 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 Iwatsu Electric Co Ltd filed Critical Iwatsu Electric Co Ltd
Priority to JP4622876A priority Critical patent/JPS52129308A/ja
Publication of JPS52129308A publication Critical patent/JPS52129308A/ja
Publication of JPS5623356B2 publication Critical patent/JPS5623356B2/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)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP4622876A 1976-04-23 1976-04-23 Mutual extension talking system Granted JPS52129308A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4622876A JPS52129308A (en) 1976-04-23 1976-04-23 Mutual extension talking system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4622876A JPS52129308A (en) 1976-04-23 1976-04-23 Mutual extension talking system

Publications (2)

Publication Number Publication Date
JPS52129308A true JPS52129308A (en) 1977-10-29
JPS5623356B2 JPS5623356B2 (enrdf_load_stackoverflow) 1981-05-30

Family

ID=12741243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4622876A Granted JPS52129308A (en) 1976-04-23 1976-04-23 Mutual extension talking system

Country Status (1)

Country Link
JP (1) JPS52129308A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5472908A (en) * 1977-11-24 1979-06-11 Oki Electric Ind Co Ltd Interconnection trunk system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5141908A (enrdf_load_stackoverflow) * 1974-10-05 1976-04-08 Oki Electric Ind Co Ltd

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5141908A (enrdf_load_stackoverflow) * 1974-10-05 1976-04-08 Oki Electric Ind Co Ltd

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5472908A (en) * 1977-11-24 1979-06-11 Oki Electric Ind Co Ltd Interconnection trunk system

Also Published As

Publication number Publication date
JPS5623356B2 (enrdf_load_stackoverflow) 1981-05-30

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