FR1402272A - Device intended for forming or checking parity digits - Google Patents

Device intended for forming or checking parity digits

Info

Publication number
FR1402272A
FR1402272A FR980968A FR980968A FR1402272A FR 1402272 A FR1402272 A FR 1402272A FR 980968 A FR980968 A FR 980968A FR 980968 A FR980968 A FR 980968A FR 1402272 A FR1402272 A FR 1402272A
Authority
FR
France
Prior art keywords
forming
device intended
parity digits
checking parity
checking
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
FR980968A
Other languages
French (fr)
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.)
NCR Voyix Corp
National Cash Register Co
Original Assignee
NCR Corp
National Cash Register Co
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 NCR Corp, National Cash Register Co filed Critical NCR Corp
Priority to FR980968A priority Critical patent/FR1402272A/en
Application granted granted Critical
Publication of FR1402272A publication Critical patent/FR1402272A/en
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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C21/00—Programming-mechanisms for determining the steps to be performed by the computing machine, e.g. when a key or certain keys are depressed
    • G06C21/04—Conditional arrangements for controlling subsequent operating functions, e.g. control arrangement triggered by a function key and depending on the condition of the register
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C25/00—Auxiliary functional arrangements, e.g. interlocks
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Quality & Reliability (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
FR980968A 1963-07-16 1964-07-07 Device intended for forming or checking parity digits Expired FR1402272A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR980968A FR1402272A (en) 1963-07-16 1964-07-07 Device intended for forming or checking parity digits

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29546763A 1963-07-16 1963-07-16
FR980968A FR1402272A (en) 1963-07-16 1964-07-07 Device intended for forming or checking parity digits

Publications (1)

Publication Number Publication Date
FR1402272A true FR1402272A (en) 1965-06-11

Family

ID=26208755

Family Applications (1)

Application Number Title Priority Date Filing Date
FR980968A Expired FR1402272A (en) 1963-07-16 1964-07-07 Device intended for forming or checking parity digits

Country Status (1)

Country Link
FR (1) FR1402272A (en)

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