GB1330962A - Apparatus for coding digital information - Google Patents

Apparatus for coding digital information

Info

Publication number
GB1330962A
GB1330962A GB5473471A GB5473471A GB1330962A GB 1330962 A GB1330962 A GB 1330962A GB 5473471 A GB5473471 A GB 5473471A GB 5473471 A GB5473471 A GB 5473471A GB 1330962 A GB1330962 A GB 1330962A
Authority
GB
United Kingdom
Prior art keywords
bit
pair
gate
data
signal
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
GB5473471A
Other languages
English (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.)
Motors Liquidation Co
Original Assignee
General Motors Corp
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 General Motors Corp filed Critical General Motors Corp
Publication of GB1330962A publication Critical patent/GB1330962A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • 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
    • H04L25/4904—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 self-synchronising codes, e.g. split-phase codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Dc Digital Transmission (AREA)
  • Logic Circuits (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
GB5473471A 1970-12-01 1971-11-25 Apparatus for coding digital information Expired GB1330962A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9403270A 1970-12-01 1970-12-01

Publications (1)

Publication Number Publication Date
GB1330962A true GB1330962A (en) 1973-09-19

Family

ID=22242385

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5473471A Expired GB1330962A (en) 1970-12-01 1971-11-25 Apparatus for coding digital information

Country Status (5)

Country Link
JP (1) JPS5132991B1 (enExample)
DE (1) DE2159367C3 (enExample)
FR (1) FR2116452B1 (enExample)
GB (1) GB1330962A (enExample)
SE (1) SE368127B (enExample)

Also Published As

Publication number Publication date
DE2159367C3 (de) 1975-05-07
FR2116452B1 (enExample) 1975-02-07
DE2159367B2 (de) 1974-09-12
SE368127B (enExample) 1974-06-17
DE2159367A1 (de) 1972-06-15
FR2116452A1 (enExample) 1972-07-13
JPS5132991B1 (enExample) 1976-09-16

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Legal Events

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