JPS5358706A - Office line switching circuit for private automatic branch-exchange - Google Patents

Office line switching circuit for private automatic branch-exchange

Info

Publication number
JPS5358706A
JPS5358706A JP13316176A JP13316176A JPS5358706A JP S5358706 A JPS5358706 A JP S5358706A JP 13316176 A JP13316176 A JP 13316176A JP 13316176 A JP13316176 A JP 13316176A JP S5358706 A JPS5358706 A JP S5358706A
Authority
JP
Japan
Prior art keywords
switching circuit
office line
exchange
line switching
automatic branch
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.)
Pending
Application number
JP13316176A
Other languages
Japanese (ja)
Inventor
Yoshio Ohashi
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 JP13316176A priority Critical patent/JPS5358706A/en
Publication of JPS5358706A publication Critical patent/JPS5358706A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Abstract

PURPOSE:To decrease the number of the contact for the office line switching circuit as well as to reduce the number of the wiring for the switching circuit, by providing the key or the relay contact in common to each office line for a private automatic branch exchange.
JP13316176A 1976-11-08 1976-11-08 Office line switching circuit for private automatic branch-exchange Pending JPS5358706A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13316176A JPS5358706A (en) 1976-11-08 1976-11-08 Office line switching circuit for private automatic branch-exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13316176A JPS5358706A (en) 1976-11-08 1976-11-08 Office line switching circuit for private automatic branch-exchange

Publications (1)

Publication Number Publication Date
JPS5358706A true JPS5358706A (en) 1978-05-26

Family

ID=15098107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13316176A Pending JPS5358706A (en) 1976-11-08 1976-11-08 Office line switching circuit for private automatic branch-exchange

Country Status (1)

Country Link
JP (1) JPS5358706A (en)

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