AU7471087A - A system for transmitting a data stream - Google Patents

A system for transmitting a data stream

Info

Publication number
AU7471087A
AU7471087A AU74710/87A AU7471087A AU7471087A AU 7471087 A AU7471087 A AU 7471087A AU 74710/87 A AU74710/87 A AU 74710/87A AU 7471087 A AU7471087 A AU 7471087A AU 7471087 A AU7471087 A AU 7471087A
Authority
AU
Australia
Prior art keywords
bit
polarity
negative
positive
data stream
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
AU74710/87A
Other versions
AU588469B2 (en
Inventor
Jean-Maurice Lutz
Andreas Wildhaber
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of AU7471087A publication Critical patent/AU7471087A/en
Application granted granted Critical
Publication of AU588469B2 publication Critical patent/AU588469B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4906—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes
    • H04L25/4908—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes using mBnB codes
    • H04L25/491—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes using mBnB codes using 1B2B codes
    • H04L25/4912—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes using mBnB codes using 1B2B codes using CMI or 2-HDB-3 code

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Circuits Of Receivers In General (AREA)
  • Selective Calling Equipment (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Paper (AREA)

Abstract

The arrangement is provided with a system coder (SC), which combines the positive-polarity signals (pc) to be transmitted with the negative-polarity signals (nc) to be transmitted in order to generate from them a 1-bit-to-2-bit coded data stream, with which an additional information signal (Sz) is transmitted along with the main data (Sb). The system coder (SC) comprises a logic circuit (LC) and, once this circuit has been activated by the additional information signal (Sz), on the arrival, without polarity violation, of the first incoming bit of the positive-polarity signal (pc), an additional bit is generated among the negative-polarity signals (nc') whereafter, on the arrival of the first bit of the negative-polarity signal (nc), an additional bit is generated among the positive-polarity signals (pc'). <IMAGE>
AU74710/87A 1986-06-27 1987-06-25 A system for transmitting a data stream Ceased AU588469B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH261386 1986-06-27
CH02613/86 1986-06-27

Publications (2)

Publication Number Publication Date
AU7471087A true AU7471087A (en) 1988-01-07
AU588469B2 AU588469B2 (en) 1989-09-14

Family

ID=4237705

Family Applications (1)

Application Number Title Priority Date Filing Date
AU74710/87A Ceased AU588469B2 (en) 1986-06-27 1987-06-25 A system for transmitting a data stream

Country Status (7)

Country Link
EP (1) EP0250729B1 (en)
JP (1) JPS637048A (en)
AT (1) ATE70150T1 (en)
AU (1) AU588469B2 (en)
DE (1) DE3774941D1 (en)
ES (1) ES2026475T3 (en)
GR (1) GR3003925T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0403856B1 (en) * 1989-06-15 1995-01-04 Siemens-Albis Aktiengesellschaft Method and circuit for auxiliary data flow transmission

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408325A (en) * 1980-11-28 1983-10-04 Northern Telecom Limited Transmitting additional signals using violations of a redundant code used for transmitting digital signals
IT1151667B (en) * 1982-06-24 1986-12-24 Italtel Spa TRANSMISSION SYSTEM, ON A PHYSICAL FIBER OPTIC CARRIER, OF A MAIN DATA FLOW AND A SECONDARY DATA FLOW

Also Published As

Publication number Publication date
AU588469B2 (en) 1989-09-14
EP0250729A1 (en) 1988-01-07
EP0250729B1 (en) 1991-12-04
ES2026475T3 (en) 1992-05-01
ATE70150T1 (en) 1991-12-15
DE3774941D1 (en) 1992-01-16
JPS637048A (en) 1988-01-12
GR3003925T3 (en) 1993-03-16

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