JPS52123104A - Digital data transmission system - Google Patents

Digital data transmission system

Info

Publication number
JPS52123104A
JPS52123104A JP3933676A JP3933676A JPS52123104A JP S52123104 A JPS52123104 A JP S52123104A JP 3933676 A JP3933676 A JP 3933676A JP 3933676 A JP3933676 A JP 3933676A JP S52123104 A JPS52123104 A JP S52123104A
Authority
JP
Japan
Prior art keywords
data transmission
transmission system
digital data
transmission
circuit
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
JP3933676A
Other languages
Japanese (ja)
Inventor
Kenji Ando
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 JP3933676A priority Critical patent/JPS52123104A/en
Publication of JPS52123104A publication Critical patent/JPS52123104A/en
Pending 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

PURPOSE:To realize DC transmission by use of light combination element to bus line transmission circuit, and thus to minimize the signal attenuation as well as to simplify the transfer circuit.
JP3933676A 1976-04-09 1976-04-09 Digital data transmission system Pending JPS52123104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3933676A JPS52123104A (en) 1976-04-09 1976-04-09 Digital data transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3933676A JPS52123104A (en) 1976-04-09 1976-04-09 Digital data transmission system

Publications (1)

Publication Number Publication Date
JPS52123104A true JPS52123104A (en) 1977-10-17

Family

ID=12550240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3933676A Pending JPS52123104A (en) 1976-04-09 1976-04-09 Digital data transmission system

Country Status (1)

Country Link
JP (1) JPS52123104A (en)

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