FR1057871A - Improvements to accounting machines - Google Patents

Improvements to accounting machines

Info

Publication number
FR1057871A
FR1057871A FR1057871DA FR1057871A FR 1057871 A FR1057871 A FR 1057871A FR 1057871D A FR1057871D A FR 1057871DA FR 1057871 A FR1057871 A FR 1057871A
Authority
FR
France
Prior art keywords
accounting machines
accounting
machines
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
Other languages
French (fr)
Inventor
I Ghertman
E Febvre
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
Application granted granted Critical
Publication of FR1057871A publication Critical patent/FR1057871A/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
    • 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)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
FR1057871D 1953-07-22 1951-10-06 Improvements to accounting machines Expired FR1057871A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2034453A GB767947A (en) 1953-07-22 1953-07-22 Improvements in or relating to record card controlled machines

Publications (1)

Publication Number Publication Date
FR1057871A true FR1057871A (en) 1954-03-11

Family

ID=10144400

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1057871D Expired FR1057871A (en) 1953-07-22 1951-10-06 Improvements to accounting machines

Country Status (3)

Country Link
FR (1) FR1057871A (en)
GB (1) GB767947A (en)
NL (1) NL180235B (en)

Also Published As

Publication number Publication date
NL180235B (en)
GB767947A (en) 1957-02-13

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