DE1499820A1 - Magnetischer Signaltraeger - Google Patents

Magnetischer Signaltraeger

Info

Publication number
DE1499820A1
DE1499820A1 DE19661499820 DE1499820A DE1499820A1 DE 1499820 A1 DE1499820 A1 DE 1499820A1 DE 19661499820 DE19661499820 DE 19661499820 DE 1499820 A DE1499820 A DE 1499820A DE 1499820 A1 DE1499820 A1 DE 1499820A1
Authority
DE
Germany
Prior art keywords
code
signal carrier
magnetic signal
code elements
elements
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.)
Pending
Application number
DE19661499820
Other languages
German (de)
English (en)
Inventor
Wells John Harold Charles
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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
Priority claimed from GB5408465A external-priority patent/GB1104552A/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE1499820A1 publication Critical patent/DE1499820A1/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G06F11/1012—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error
    • G06F11/1032—Simple parity
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • 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
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE19661499820 1965-12-21 1966-12-17 Magnetischer Signaltraeger Pending DE1499820A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5408465A GB1104552A (en) 1965-12-21 1965-12-21 Improvements in or relating to digital code communication systems
GB5408466 1966-09-05

Publications (1)

Publication Number Publication Date
DE1499820A1 true DE1499820A1 (de) 1970-05-06

Family

ID=26267404

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19661499820 Pending DE1499820A1 (de) 1965-12-21 1966-12-17 Magnetischer Signaltraeger

Country Status (4)

Country Link
BE (1) BE691438A (enrdf_load_stackoverflow)
DE (1) DE1499820A1 (enrdf_load_stackoverflow)
FR (1) FR1511644A (enrdf_load_stackoverflow)
NL (1) NL6617682A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0170638A3 (en) * 1984-08-02 1988-03-02 Fondazione Ugo Bordoni Method of and apparatus for transmitting a clock signal via cable over long distances

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0170638A3 (en) * 1984-08-02 1988-03-02 Fondazione Ugo Bordoni Method of and apparatus for transmitting a clock signal via cable over long distances

Also Published As

Publication number Publication date
NL6617682A (enrdf_load_stackoverflow) 1967-06-22
BE691438A (enrdf_load_stackoverflow) 1967-06-19
FR1511644A (fr) 1968-02-02

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