JPS51113512A - A method to transfer information to b-board - Google Patents

A method to transfer information to b-board

Info

Publication number
JPS51113512A
JPS51113512A JP3800475A JP3800475A JPS51113512A JP S51113512 A JPS51113512 A JP S51113512A JP 3800475 A JP3800475 A JP 3800475A JP 3800475 A JP3800475 A JP 3800475A JP S51113512 A JPS51113512 A JP S51113512A
Authority
JP
Japan
Prior art keywords
board
transfer information
boards
nothing
transfer system
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
JP3800475A
Other languages
Japanese (ja)
Inventor
Tatsumasa Onuma
Hidetaka Yamashita
Koshu Yoshizaki
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 JP3800475A priority Critical patent/JPS51113512A/en
Publication of JPS51113512A publication Critical patent/JPS51113512A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Exchange Systems With Centralized Control (AREA)

Abstract

PURPOSE:Information transfer system of B-board, where in the number of signal wires leading between main exchange and B-boards connected thereto has nothing to do with the number of B-boards and their incidental equipments.
JP3800475A 1975-03-31 1975-03-31 A method to transfer information to b-board Pending JPS51113512A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3800475A JPS51113512A (en) 1975-03-31 1975-03-31 A method to transfer information to b-board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3800475A JPS51113512A (en) 1975-03-31 1975-03-31 A method to transfer information to b-board

Publications (1)

Publication Number Publication Date
JPS51113512A true JPS51113512A (en) 1976-10-06

Family

ID=12513416

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3800475A Pending JPS51113512A (en) 1975-03-31 1975-03-31 A method to transfer information to b-board

Country Status (1)

Country Link
JP (1) JPS51113512A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5378104A (en) * 1976-12-21 1978-07-11 Nec Corp Control system for attendant board

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5378104A (en) * 1976-12-21 1978-07-11 Nec Corp Control system for attendant board

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