DK216582A - Fremgangsmaade og apparat til omsaetning af binaersignaler til flerniveausignaler - Google Patents

Fremgangsmaade og apparat til omsaetning af binaersignaler til flerniveausignaler Download PDF

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Publication number
DK216582A
DK216582A DK216582A DK216582A DK216582A DK 216582 A DK216582 A DK 216582A DK 216582 A DK216582 A DK 216582A DK 216582 A DK216582 A DK 216582A DK 216582 A DK216582 A DK 216582A
Authority
DK
Denmark
Prior art keywords
signals
procedure
multiple level
reversing binary
reversing
Prior art date
Application number
DK216582A
Other languages
English (en)
Inventor
M C Betts
A F Graves
F M Pascoe
J E 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 DK216582A publication Critical patent/DK216582A/da

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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)
DK216582A 1981-05-14 1982-05-13 Fremgangsmaade og apparat til omsaetning af binaersignaler til flerniveausignaler DK216582A (da)

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 (1)

Publication Number Publication Date
DK216582A true DK216582A (da) 1982-11-15

Family

ID=4119942

Family Applications (1)

Application Number Title Priority Date Filing Date
DK216582A DK216582A (da) 1981-05-14 1982-05-13 Fremgangsmaade og apparat til omsaetning af binaersignaler til flerniveausignaler

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
NO156919C (no) 1987-12-16
NO821603L (no) 1982-11-15

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Legal Events

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AHS Application shelved for other reasons than non-payment