NO156919C - Kodeomformer innbefattende innretning for omforming av blokker med binaere biter til ord av flernivaasymboler. - Google Patents

Kodeomformer innbefattende innretning for omforming av blokker med binaere biter til ord av flernivaasymboler.

Info

Publication number
NO156919C
NO156919C NO821603A NO821603A NO156919C NO 156919 C NO156919 C NO 156919C NO 821603 A NO821603 A NO 821603A NO 821603 A NO821603 A NO 821603A NO 156919 C NO156919 C NO 156919C
Authority
NO
Norway
Prior art keywords
bites
binary
words
including device
multi level
Prior art date
Application number
NO821603A
Other languages
English (en)
Norwegian (no)
Other versions
NO156919B (no
NO821603L (no
Inventor
Malcolm Charles Betts
Alan Frank Graves
Frederick Michael Pascoe
James Ernest Dilley
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of NO821603L publication Critical patent/NO821603L/no
Publication of NO156919B publication Critical patent/NO156919B/no
Publication of NO156919C publication Critical patent/NO156919C/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/048—Speed or phase control by synchronisation signals using the properties of error detecting or error correcting codes, e.g. parity as synchronisation signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J7/00—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels
    • 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
    • H04L25/4917—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 multilevel codes
    • H04L25/4919—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 multilevel codes using balanced multilevel codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Dc Digital Transmission (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
NO821603A 1981-05-14 1982-05-13 Kodeomformer innbefattende innretning for omforming av blokker med binaere biter til ord av flernivaasymboler. NO156919C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000377543A CA1153118A (en) 1981-05-14 1981-05-14 Method and apparatus for code conversion of binary to multilevel signals

Publications (3)

Publication Number Publication Date
NO821603L NO821603L (no) 1982-11-15
NO156919B NO156919B (no) 1987-09-07
NO156919C true NO156919C (no) 1987-12-16

Family

ID=4119942

Family Applications (1)

Application Number Title Priority Date Filing Date
NO821603A NO156919C (no) 1981-05-14 1982-05-13 Kodeomformer innbefattende innretning for omforming av blokker med binaere biter til ord av flernivaasymboler.

Country Status (4)

Country Link
EP (1) EP0065849B1 (da)
CA (1) CA1153118A (da)
DK (1) DK216582A (da)
NO (1) NO156919C (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2974678B2 (ja) * 1988-06-23 1999-11-10 ソニー株式会社 データ誤り検出方式
GB2357408B (en) * 1996-07-11 2001-08-08 4Links Ltd Communications system
US5943365A (en) * 1996-10-16 1999-08-24 Cirrus Logic, Inc. Device, system, and method for modem communication utilizing DC or near-DC signal suppression
US5926505A (en) * 1996-10-16 1999-07-20 Cirrus Logic, Inc. Device, system, and method for modem communication utilizing two-step mapping
US7450040B2 (en) * 2006-03-20 2008-11-11 Marvell International Ltd. Method and apparatus for generating non-binary balanced codes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3753113A (en) * 1970-06-20 1973-08-14 Nippon Electric Co Multilevel code signal transmission system
FR2128131B1 (da) * 1971-03-05 1975-02-21 Lignes Telegraph Telephon

Also Published As

Publication number Publication date
EP0065849A1 (en) 1982-12-01
CA1153118A (en) 1983-08-30
NO156919B (no) 1987-09-07
EP0065849B1 (en) 1985-09-04
DK216582A (da) 1982-11-15
NO821603L (no) 1982-11-15

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