DE1963562C3 - Verschlüsseier - Google Patents

Verschlüsseier

Info

Publication number
DE1963562C3
DE1963562C3 DE19691963562 DE1963562A DE1963562C3 DE 1963562 C3 DE1963562 C3 DE 1963562C3 DE 19691963562 DE19691963562 DE 19691963562 DE 1963562 A DE1963562 A DE 1963562A DE 1963562 C3 DE1963562 C3 DE 1963562C3
Authority
DE
Germany
Prior art keywords
value
order
digit
limited
values
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
DE19691963562
Other languages
German (de)
English (en)
Other versions
DE1963562A1 (de
DE1963562B2 (de
Inventor
Donald Tao-Nan Yorktown Heights N.Y. Tang (V.St.A.)
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE1963562A1 publication Critical patent/DE1963562A1/de
Publication of DE1963562B2 publication Critical patent/DE1963562B2/de
Application granted granted Critical
Publication of DE1963562C3 publication Critical patent/DE1963562C3/de
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)
  • Storage Device Security (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE19691963562 1968-12-18 1969-12-18 Verschlüsseier Expired DE1963562C3 (de)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE1963562A1 DE1963562A1 (de) 1970-06-25
DE1963562B2 DE1963562B2 (de) 1973-05-03
DE1963562C3 true DE1963562C3 (de) 1973-12-13

Family

ID=25133223

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691963562 Expired DE1963562C3 (de) 1968-12-18 1969-12-18 Verschlüsseier

Country Status (3)

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

Also Published As

Publication number Publication date
FR2026395A1 (enExample) 1970-10-18
GB1239113A (enExample) 1971-07-14
DE1963562A1 (de) 1970-06-25
DE1963562B2 (de) 1973-05-03

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee