FR2269757A1 - Bidirectional data transmission system - has interface module between line and each emitter-transmitter - Google Patents

Bidirectional data transmission system - has interface module between line and each emitter-transmitter

Info

Publication number
FR2269757A1
FR2269757A1 FR7415363A FR7415363A FR2269757A1 FR 2269757 A1 FR2269757 A1 FR 2269757A1 FR 7415363 A FR7415363 A FR 7415363A FR 7415363 A FR7415363 A FR 7415363A FR 2269757 A1 FR2269757 A1 FR 2269757A1
Authority
FR
France
Prior art keywords
line
interface module
transmitter
emitter
data transmission
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
FR7415363A
Other languages
French (fr)
Other versions
FR2269757B1 (en
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.)
TRINDEL FR
Original Assignee
TRINDEL FR
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 TRINDEL FR filed Critical TRINDEL FR
Priority to FR7415363A priority Critical patent/FR2269757A1/en
Publication of FR2269757A1 publication Critical patent/FR2269757A1/en
Application granted granted Critical
Publication of FR2269757B1 publication Critical patent/FR2269757B1/fr
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
    • H04L12/403—Bus networks with centralised control, e.g. polling
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/16—Half-duplex systems; Simplex/duplex switching; Transmission of break signals non-automatically inverting the direction of transmission

Landscapes

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

Abstract

The system has a transmission line (1) and at least two transmitter-receiver stations (2) connected onto this line, data being transmitted in the form of words of a predetermined format. The line is a coaxial cable (1) having a low characteristic impedance of the order of 50 ohms. The system has, between the line and each receiving transmitting station, a interface module (3) having means for transmitting to the corresponding station all data circulating in the line, means for transmitting to the line data received from the station and means for controlling and cycling the transmissions. The interface module is coupled to the line by means of a centre tapped transformer (5).
FR7415363A 1974-05-03 1974-05-03 Bidirectional data transmission system - has interface module between line and each emitter-transmitter Granted FR2269757A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7415363A FR2269757A1 (en) 1974-05-03 1974-05-03 Bidirectional data transmission system - has interface module between line and each emitter-transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7415363A FR2269757A1 (en) 1974-05-03 1974-05-03 Bidirectional data transmission system - has interface module between line and each emitter-transmitter

Publications (2)

Publication Number Publication Date
FR2269757A1 true FR2269757A1 (en) 1975-11-28
FR2269757B1 FR2269757B1 (en) 1977-06-24

Family

ID=9138429

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7415363A Granted FR2269757A1 (en) 1974-05-03 1974-05-03 Bidirectional data transmission system - has interface module between line and each emitter-transmitter

Country Status (1)

Country Link
FR (1) FR2269757A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2326802A1 (en) * 1975-10-04 1977-04-29 Dornier System Gmbh DIAGRAM OF THE COUPLING CIRCUITS OF SEVERAL TRANSMITTERS, DISTRIBUTED IN SPACE, TO A COMMON TRANSMISSION LINE
FR2342526A1 (en) * 1976-02-27 1977-09-23 Data General Corp TRANSMITTER-RECEIVER DEVICE FOR DATA PROCESSING SYSTEM
EP0132644A2 (en) * 1983-07-28 1985-02-13 International Business Machines Corporation Method and apparatus for interfacing between a multiple access bus and user devices
EP0250035A1 (en) * 1986-06-18 1987-12-23 Koninklijke Philips Electronics N.V. Telecommunication system comprising a bus conductor and telecommunication stations connected to this bus conductor through transformers

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2326802A1 (en) * 1975-10-04 1977-04-29 Dornier System Gmbh DIAGRAM OF THE COUPLING CIRCUITS OF SEVERAL TRANSMITTERS, DISTRIBUTED IN SPACE, TO A COMMON TRANSMISSION LINE
FR2342526A1 (en) * 1976-02-27 1977-09-23 Data General Corp TRANSMITTER-RECEIVER DEVICE FOR DATA PROCESSING SYSTEM
EP0132644A2 (en) * 1983-07-28 1985-02-13 International Business Machines Corporation Method and apparatus for interfacing between a multiple access bus and user devices
EP0132644A3 (en) * 1983-07-28 1987-10-21 International Business Machines Corporation Method and apparatus for interfacing between a multiple access bus and user devices
EP0250035A1 (en) * 1986-06-18 1987-12-23 Koninklijke Philips Electronics N.V. Telecommunication system comprising a bus conductor and telecommunication stations connected to this bus conductor through transformers

Also Published As

Publication number Publication date
FR2269757B1 (en) 1977-06-24

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Legal Events

Date Code Title Description
ST Notification of lapse