GB1098772A - Improvements in or relating to circuit arrangements for calculating control characters for safeguarding series of information characters - Google Patents

Improvements in or relating to circuit arrangements for calculating control characters for safeguarding series of information characters

Info

Publication number
GB1098772A
GB1098772A GB3089/66A GB308966A GB1098772A GB 1098772 A GB1098772 A GB 1098772A GB 3089/66 A GB3089/66 A GB 3089/66A GB 308966 A GB308966 A GB 308966A GB 1098772 A GB1098772 A GB 1098772A
Authority
GB
United Kingdom
Prior art keywords
counter
character
characters
data
control
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
GB3089/66A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1098772A publication Critical patent/GB1098772A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G06F11/104—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 using arithmetic codes, i.e. codes which are preserved during operation, e.g. modulo 9 or 11 check
    • 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
    • H04L1/0041—Arrangements at the transmitter end
    • 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
    • H04L1/0061—Error detection codes
    • 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
    • H04L1/0045—Arrangements at the receiver end

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Manipulation Of Pulses (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Character Discrimination (AREA)
GB3089/66A 1965-01-27 1966-01-24 Improvements in or relating to circuit arrangements for calculating control characters for safeguarding series of information characters Expired GB1098772A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP0035953 1965-01-27

Publications (1)

Publication Number Publication Date
GB1098772A true GB1098772A (en) 1968-01-10

Family

ID=7374491

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3089/66A Expired GB1098772A (en) 1965-01-27 1966-01-24 Improvements in or relating to circuit arrangements for calculating control characters for safeguarding series of information characters

Country Status (7)

Country Link
US (1) US3531768A (enExample)
BE (1) BE675563A (enExample)
DE (1) DE1474434A1 (enExample)
FR (1) FR1583158A (enExample)
GB (1) GB1098772A (enExample)
NL (1) NL6600857A (enExample)
SE (1) SE339949B (enExample)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL92399C (enExample) * 1954-04-02
US3007115A (en) * 1957-12-26 1961-10-31 Ibm Transfer circuit
US3319078A (en) * 1964-03-30 1967-05-09 Sylvania Electric Prod Pulse burst generator employing plural locked pair tunnel diode networks and delay means
DE1449837A1 (de) * 1964-06-30 1969-02-20 Philips Patentverwaltung Verfahren und Vorrichtung zur Pruefzeichenherstellung fuer die Informationsabsicherung

Also Published As

Publication number Publication date
NL6600857A (enExample) 1966-07-28
FR1583158A (enExample) 1969-10-24
BE675563A (enExample) 1966-07-25
US3531768A (en) 1970-09-29
DE1474434A1 (de) 1969-08-28
SE339949B (enExample) 1971-11-01

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