JPS53130942A - Electric key control system in multiplex system - Google Patents

Electric key control system in multiplex system

Info

Publication number
JPS53130942A
JPS53130942A JP4540377A JP4540377A JPS53130942A JP S53130942 A JPS53130942 A JP S53130942A JP 4540377 A JP4540377 A JP 4540377A JP 4540377 A JP4540377 A JP 4540377A JP S53130942 A JPS53130942 A JP S53130942A
Authority
JP
Japan
Prior art keywords
multiplex
key control
electric
electric key
control 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.)
Granted
Application number
JP4540377A
Other languages
Japanese (ja)
Other versions
JPS5741741B2 (en
Inventor
Hiroshi Ozawa
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
Original Assignee
Fujitsu 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 filed Critical Fujitsu Ltd
Priority to JP4540377A priority Critical patent/JPS53130942A/en
Publication of JPS53130942A publication Critical patent/JPS53130942A/en
Publication of JPS5741741B2 publication Critical patent/JPS5741741B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Hardware Redundancy (AREA)
  • Multi Processors (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

PURPOSE: To make connectable the multiplex unit for spare use, by connecting one set of electric key information transmitter with a multiplex unit without cable removal, and by automatically disconnecting the unit in operation by only turning on the electric keys making the electric information effective.
COPYRIGHT: (C)1978,JPO&Japio
JP4540377A 1977-04-20 1977-04-20 Electric key control system in multiplex system Granted JPS53130942A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4540377A JPS53130942A (en) 1977-04-20 1977-04-20 Electric key control system in multiplex system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4540377A JPS53130942A (en) 1977-04-20 1977-04-20 Electric key control system in multiplex system

Publications (2)

Publication Number Publication Date
JPS53130942A true JPS53130942A (en) 1978-11-15
JPS5741741B2 JPS5741741B2 (en) 1982-09-04

Family

ID=12718278

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4540377A Granted JPS53130942A (en) 1977-04-20 1977-04-20 Electric key control system in multiplex system

Country Status (1)

Country Link
JP (1) JPS53130942A (en)

Also Published As

Publication number Publication date
JPS5741741B2 (en) 1982-09-04

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