JPS5666986A - Remote control system - Google Patents

Remote control system

Info

Publication number
JPS5666986A
JPS5666986A JP14259479A JP14259479A JPS5666986A JP S5666986 A JPS5666986 A JP S5666986A JP 14259479 A JP14259479 A JP 14259479A JP 14259479 A JP14259479 A JP 14259479A JP S5666986 A JPS5666986 A JP S5666986A
Authority
JP
Japan
Prior art keywords
data
station
maintenance
ram
number group
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
JP14259479A
Other languages
Japanese (ja)
Inventor
Masahiro Ito
Atsushi Hariki
Hidefumi Takahashi
Junji Nakamura
Saburo Ikeda
Shizuo Murakoshi
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.)
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Original Assignee
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
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 Fujitsu Ltd, Hitachi Ltd, NEC Corp, Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP14259479A priority Critical patent/JPS5666986A/en
Publication of JPS5666986A publication Critical patent/JPS5666986A/en
Pending 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 reduce the working amount such as maintenance, etc., by removing several thousands of jumper wires of NG (number group) through substituting the electronic memory for the expansion circuit of NG. CONSTITUTION:When a data of the random access memory RAM in the number group NG of a switchboard of the remote station is optionally changed by a typewriter provided in the master station, a person in charge of maintenance typewrites a command by operating TYP in the master station, and inputs a data for changing a data of the optional address in the main memory MM. The data change command is sent to the ramote station through the modulator and demodulator M/D. In the remote station the data change command which has been received, is placed on the common BUS by the information transfer control unit ITC, and the No. corresponding to the No. to be called of the main memory MM constituted of RAM is changed by means of the well knowned technique.
JP14259479A 1979-11-02 1979-11-02 Remote control system Pending JPS5666986A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14259479A JPS5666986A (en) 1979-11-02 1979-11-02 Remote control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14259479A JPS5666986A (en) 1979-11-02 1979-11-02 Remote control system

Publications (1)

Publication Number Publication Date
JPS5666986A true JPS5666986A (en) 1981-06-05

Family

ID=15318929

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14259479A Pending JPS5666986A (en) 1979-11-02 1979-11-02 Remote control system

Country Status (1)

Country Link
JP (1) JPS5666986A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9269336B2 (en) 2013-09-27 2016-02-23 Yamaha Corporation Operating element device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9269336B2 (en) 2013-09-27 2016-02-23 Yamaha Corporation Operating element device

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