GB2185663B - 3 level line transmission code - Google Patents

3 level line transmission code

Info

Publication number
GB2185663B
GB2185663B GB8600971A GB8600971A GB2185663B GB 2185663 B GB2185663 B GB 2185663B GB 8600971 A GB8600971 A GB 8600971A GB 8600971 A GB8600971 A GB 8600971A GB 2185663 B GB2185663 B GB 2185663B
Authority
GB
United Kingdom
Prior art keywords
line transmission
level line
transmission code
code
level
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.)
Expired
Application number
GB8600971A
Other versions
GB2185663A (en
Inventor
Peter John Dyke
Andrew Michael Robinson
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.)
STC PLC
Original Assignee
STC PLC
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 STC PLC filed Critical STC PLC
Priority to GB8600971A priority Critical patent/GB2185663B/en
Publication of GB2185663A publication Critical patent/GB2185663A/en
Application granted granted Critical
Publication of GB2185663B publication Critical patent/GB2185663B/en
Expired 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
    • H04L25/497—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 by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
GB8600971A 1986-01-16 1986-01-16 3 level line transmission code Expired GB2185663B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8600971A GB2185663B (en) 1986-01-16 1986-01-16 3 level line transmission code

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8600971A GB2185663B (en) 1986-01-16 1986-01-16 3 level line transmission code

Publications (2)

Publication Number Publication Date
GB2185663A GB2185663A (en) 1987-07-22
GB2185663B true GB2185663B (en) 1989-10-25

Family

ID=10591451

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8600971A Expired GB2185663B (en) 1986-01-16 1986-01-16 3 level line transmission code

Country Status (1)

Country Link
GB (1) GB2185663B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0748675B2 (en) * 1987-08-21 1995-05-24 日本電気株式会社 Digital transmission system
JP4877312B2 (en) * 2008-11-05 2012-02-15 ソニー株式会社 Information processing apparatus and full-duplex transmission method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1592556A (en) * 1976-10-28 1981-07-08 Rixon Quadrature-amplitude-modulation data transmission systems and transmitters

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1592556A (en) * 1976-10-28 1981-07-08 Rixon Quadrature-amplitude-modulation data transmission systems and transmitters

Also Published As

Publication number Publication date
GB2185663A (en) 1987-07-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee