JPS5787647A - Data communication system - Google Patents

Data communication system

Info

Publication number
JPS5787647A
JPS5787647A JP16358180A JP16358180A JPS5787647A JP S5787647 A JPS5787647 A JP S5787647A JP 16358180 A JP16358180 A JP 16358180A JP 16358180 A JP16358180 A JP 16358180A JP S5787647 A JPS5787647 A JP S5787647A
Authority
JP
Japan
Prior art keywords
transmission
counter
transmission line
collision
terminal
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
JP16358180A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6367379B2 (enExample
Inventor
Kanji Kanai
Koichi Tsuruoka
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP16358180A priority Critical patent/JPS5787647A/ja
Publication of JPS5787647A publication Critical patent/JPS5787647A/ja
Publication of JPS6367379B2 publication Critical patent/JPS6367379B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/407—Bus networks with decentralised control
    • H04L12/413—Bus networks with decentralised control with random access, e.g. carrier-sense multiple-access with collision detection [CSMA-CD]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
JP16358180A 1980-11-20 1980-11-20 Data communication system Granted JPS5787647A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16358180A JPS5787647A (en) 1980-11-20 1980-11-20 Data communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16358180A JPS5787647A (en) 1980-11-20 1980-11-20 Data communication system

Publications (2)

Publication Number Publication Date
JPS5787647A true JPS5787647A (en) 1982-06-01
JPS6367379B2 JPS6367379B2 (enExample) 1988-12-26

Family

ID=15776623

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16358180A Granted JPS5787647A (en) 1980-11-20 1980-11-20 Data communication system

Country Status (1)

Country Link
JP (1) JPS5787647A (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51114804A (en) * 1975-03-31 1976-10-08 Xerox Corp Data communication system
JPS5493339A (en) * 1977-12-30 1979-07-24 Fujitsu Ltd Priority control system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51114804A (en) * 1975-03-31 1976-10-08 Xerox Corp Data communication system
JPS5493339A (en) * 1977-12-30 1979-07-24 Fujitsu Ltd Priority control system

Also Published As

Publication number Publication date
JPS6367379B2 (enExample) 1988-12-26

Similar Documents

Publication Publication Date Title
JPS55109042A (en) Selective individual calling system
WO1996008941A3 (en) Efficient paging system
HK80189A (en) Radio paging system capable of accepting message with access of paging receiver
EP0924921A4 (en) CONTROL FOR INFORMATION TRANSFER AND CORRESPONDING SYSTEM
JPS5787647A (en) Data communication system
JPS57124959A (en) Telephone exchange system
JPS6429050A (en) Electronic exchange system
JPS55147851A (en) Communication controlling system
JPS57185754A (en) Button telephone device
JPS54104710A (en) Information transmission system
JPS5758442A (en) Communication controller
JPS55121774A (en) Telephone communication system
JPS52125213A (en) Absence transfer system
JPS5647164A (en) Facsimile communication control system
JPS5732149A (en) Class discrimination system of terminal telephone set of mobile communication system
JPS6411459A (en) Communication mode switching device
JPS6423643A (en) Communication system
JPS648736A (en) Answer-back system
JPS57174726A (en) Data transfer controlling system
JPS57107655A (en) Line concentrating connection system
JPS57178447A (en) Loop data transmission system
JPS5754453A (en) Traffic regulating system
JPS5514712A (en) Communication system for record information of telephone circuit
JPS56119557A (en) Communication mode switching system
JPS5690639A (en) Selection system for radio channel