GB1239113A - - Google Patents

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Publication number
GB1239113A
GB1239113A GB1239113DA GB1239113A GB 1239113 A GB1239113 A GB 1239113A GB 1239113D A GB1239113D A GB 1239113DA GB 1239113 A GB1239113 A GB 1239113A
Authority
GB
United Kingdom
Prior art keywords
value
order
current value
code
threshold
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
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English (en)
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 filed Critical
Publication of GB1239113A publication Critical patent/GB1239113A/en
Expired legal-status Critical Current

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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)
  • Storage Device Security (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
GB1239113D 1968-12-18 1969-11-25 Expired GB1239113A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78468768A 1968-12-18 1968-12-18

Publications (1)

Publication Number Publication Date
GB1239113A true GB1239113A (enrdf_load_stackoverflow) 1971-07-14

Family

ID=25133223

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1239113D Expired GB1239113A (enrdf_load_stackoverflow) 1968-12-18 1969-11-25

Country Status (3)

Country Link
DE (1) DE1963562C3 (enrdf_load_stackoverflow)
FR (1) FR2026395A1 (enrdf_load_stackoverflow)
GB (1) GB1239113A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE1963562A1 (de) 1970-06-25
FR2026395A1 (enrdf_load_stackoverflow) 1970-10-18
DE1963562B2 (de) 1973-05-03
DE1963562C3 (de) 1973-12-13

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Legal Events

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