FR77114E - Système calculateur numérique - Google Patents

Système calculateur numérique

Info

Publication number
FR77114E
FR77114E FR814862A FR814862A FR77114E FR 77114 E FR77114 E FR 77114E FR 814862 A FR814862 A FR 814862A FR 814862 A FR814862 A FR 814862A FR 77114 E FR77114 E FR 77114E
Authority
FR
France
Prior art keywords
calculator system
digital calculator
digital
calculator
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
FR814862A
Other languages
English (en)
Inventor
Donald Wynn Davies
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 Standard Electric Corp
Original Assignee
International Standard Electric 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 Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR77114E publication Critical patent/FR77114E/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/02—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word
    • H03M7/12—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word having two radices, e.g. binary-coded-decimal code

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Analogue/Digital Conversion (AREA)
FR814862A 1959-01-06 1960-01-05 Système calculateur numérique Expired FR77114E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB49359A GB894986A (en) 1959-01-06 1959-01-06 Improvements in or relating to code converters

Publications (1)

Publication Number Publication Date
FR77114E true FR77114E (fr) 1962-01-19

Family

ID=9705316

Family Applications (1)

Application Number Title Priority Date Filing Date
FR814862A Expired FR77114E (fr) 1959-01-06 1960-01-05 Système calculateur numérique

Country Status (2)

Country Link
FR (1) FR77114E (fr)
GB (1) GB894986A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3932739A (en) * 1973-09-10 1976-01-13 Rockwell International Corporation Serial binary number and BCD conversion apparatus

Also Published As

Publication number Publication date
GB894986A (en) 1962-04-26

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