JPS56122539A - System switching method - Google Patents

System switching method

Info

Publication number
JPS56122539A
JPS56122539A JP2642280A JP2642280A JPS56122539A JP S56122539 A JPS56122539 A JP S56122539A JP 2642280 A JP2642280 A JP 2642280A JP 2642280 A JP2642280 A JP 2642280A JP S56122539 A JPS56122539 A JP S56122539A
Authority
JP
Japan
Prior art keywords
transmission lines
slave station
switching information
system switching
master station
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
JP2642280A
Other languages
English (en)
Other versions
JPS6242419B2 (ja
Inventor
Yoshihiro Nakamura
Akira Takei
Hajime Yamada
Atsushi Minato
Kimifumi Kojima
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 JP2642280A priority Critical patent/JPS56122539A/ja
Publication of JPS56122539A publication Critical patent/JPS56122539A/ja
Publication of JPS6242419B2 publication Critical patent/JPS6242419B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
JP2642280A 1980-03-03 1980-03-03 System switching method Granted JPS56122539A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2642280A JPS56122539A (en) 1980-03-03 1980-03-03 System switching method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2642280A JPS56122539A (en) 1980-03-03 1980-03-03 System switching method

Publications (2)

Publication Number Publication Date
JPS56122539A true JPS56122539A (en) 1981-09-26
JPS6242419B2 JPS6242419B2 (ja) 1987-09-08

Family

ID=12193081

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2642280A Granted JPS56122539A (en) 1980-03-03 1980-03-03 System switching method

Country Status (1)

Country Link
JP (1) JPS56122539A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4665477A (en) * 1983-01-20 1987-05-12 Mors Method for ensuring safe operation of a programmable automatic control device and automatic control device for carrying out the said method

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04216U (ja) * 1990-04-18 1992-01-06
JPH0432113U (ja) * 1990-07-13 1992-03-16
JPH0531616U (ja) * 1991-10-04 1993-04-27 有限会社大一創芸 雨傘の外装袋体

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4665477A (en) * 1983-01-20 1987-05-12 Mors Method for ensuring safe operation of a programmable automatic control device and automatic control device for carrying out the said method

Also Published As

Publication number Publication date
JPS6242419B2 (ja) 1987-09-08

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