JPS52132704A - Loop duplex totally switching method - Google Patents

Loop duplex totally switching method

Info

Publication number
JPS52132704A
JPS52132704A JP4859776A JP4859776A JPS52132704A JP S52132704 A JPS52132704 A JP S52132704A JP 4859776 A JP4859776 A JP 4859776A JP 4859776 A JP4859776 A JP 4859776A JP S52132704 A JPS52132704 A JP S52132704A
Authority
JP
Japan
Prior art keywords
totally
switching method
loop duplex
duplex
loop
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
JP4859776A
Other languages
Japanese (ja)
Inventor
Takeshi Nakano
Toshiyuki Ide
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 JP4859776A priority Critical patent/JPS52132704A/en
Publication of JPS52132704A publication Critical patent/JPS52132704A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42Loop networks
    • H04L12/437Ring fault isolation or reconfiguration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)

Abstract

PURPOSE:To realize a system suitable for the ON-line processing, by switching with the synchronism to the data transmission means on the lines thru the putting out of the changeover command from the control station.
JP4859776A 1976-04-30 1976-04-30 Loop duplex totally switching method Pending JPS52132704A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4859776A JPS52132704A (en) 1976-04-30 1976-04-30 Loop duplex totally switching method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4859776A JPS52132704A (en) 1976-04-30 1976-04-30 Loop duplex totally switching method

Publications (1)

Publication Number Publication Date
JPS52132704A true JPS52132704A (en) 1977-11-07

Family

ID=12807806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4859776A Pending JPS52132704A (en) 1976-04-30 1976-04-30 Loop duplex totally switching method

Country Status (1)

Country Link
JP (1) JPS52132704A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5445502A (en) * 1977-09-17 1979-04-10 Fujitsu Ltd Data delivery system of loop system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5022505A (en) * 1973-05-30 1975-03-11
JPS5177017A (en) * 1974-12-27 1976-07-03 Fujitsu Ltd DEETADENSOROKIRIKAE HOSHIKI

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5022505A (en) * 1973-05-30 1975-03-11
JPS5177017A (en) * 1974-12-27 1976-07-03 Fujitsu Ltd DEETADENSOROKIRIKAE HOSHIKI

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5445502A (en) * 1977-09-17 1979-04-10 Fujitsu Ltd Data delivery system of loop system
JPS5746699B2 (en) * 1977-09-17 1982-10-05

Similar Documents

Publication Publication Date Title
JPS5372403A (en) Loop communication system
JPS5336116A (en) Loop transmission system
JPS53123601A (en) Data transmission system
JPS52132704A (en) Loop duplex totally switching method
JPS53142804A (en) Control system for in-plant delivery system
JPS53101904A (en) Permission system for transmission in loop communication system
JPS51150245A (en) Loop transmission control system
JPS5335411A (en) Communicating method for dual directions
JPS5341906A (en) Transmission system
JPS536A (en) Different program signal transmission system
JPS5336118A (en) Loop transmission system
JPS52142937A (en) Data transfer priority control system
JPS5375708A (en) Data communication system providing signal transfer function
JPS5387637A (en) Loop control system
JPS53148304A (en) Data transmission unit
JPS5439502A (en) Loop delivery system
JPS5357908A (en) Communicating system for moving objects
JPS52132705A (en) Error control system
JPS5351905A (en) Loop communication system
JPS52115104A (en) Data transmission control device
JPS5324203A (en) Loop transmission control system
JPS52127015A (en) Line selection system
JPS5348185A (en) Remote supervisory control system
JPS5213704A (en) Children station control system
JPS5368009A (en) Control information transmission system for out-trunk

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R371 Transfer withdrawn

Free format text: JAPANESE INTERMEDIATE CODE: R371

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 9

Free format text: PAYMENT UNTIL: 20090407

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090407

Year of fee payment: 9

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 10

Free format text: PAYMENT UNTIL: 20100407

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110407

Year of fee payment: 11

LAPS Cancellation because of no payment of annual fees