CH468675A - Test device on a data processing machine for multi-digit numbers - Google Patents

Test device on a data processing machine for multi-digit numbers

Info

Publication number
CH468675A
CH468675A CH1377165A CH1377165A CH468675A CH 468675 A CH468675 A CH 468675A CH 1377165 A CH1377165 A CH 1377165A CH 1377165 A CH1377165 A CH 1377165A CH 468675 A CH468675 A CH 468675A
Authority
CH
Switzerland
Prior art keywords
data processing
test device
processing machine
digit numbers
digit
Prior art date
Application number
CH1377165A
Other languages
German (de)
Inventor
Fischer Hans-Dietrich
Original Assignee
Walther Bueromasch Gmbh
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 Walther Bueromasch Gmbh filed Critical Walther Bueromasch Gmbh
Publication of CH468675A publication Critical patent/CH468675A/en

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
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C25/00—Auxiliary functional arrangements, e.g. interlocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Input From Keyboards Or The Like (AREA)
CH1377165A 1964-12-23 1965-10-06 Test device on a data processing machine for multi-digit numbers CH468675A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW38238A DE1234060B (en) 1964-12-23 1964-12-23 Checking device for multi-digit numbers

Publications (1)

Publication Number Publication Date
CH468675A true CH468675A (en) 1969-02-15

Family

ID=7601723

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1377165A CH468675A (en) 1964-12-23 1965-10-06 Test device on a data processing machine for multi-digit numbers

Country Status (6)

Country Link
US (1) US3544776A (en)
CH (1) CH468675A (en)
DE (1) DE1234060B (en)
GB (1) GB1085070A (en)
NL (1) NL6516701A (en)
SE (1) SE324475B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1439915A (en) * 1972-06-14 1976-06-16 Goldberg L L Check digit generation verification apparatus
US4065752A (en) * 1972-06-14 1977-12-27 Leslie Louis Goldberg Check digit generation and verification apparatus
US5151579A (en) * 1990-05-24 1992-09-29 Gregtag Systems, Inc. Method of checking correlation between parts of a photofinishing order through the use of error weights
US6356925B1 (en) 1999-03-16 2002-03-12 International Business Machines Corporation Check digit method and system for detection of transposition errors

Also Published As

Publication number Publication date
GB1085070A (en) 1967-09-27
US3544776A (en) 1970-12-01
NL6516701A (en) 1966-03-25
SE324475B (en) 1970-06-01
DE1234060B (en) 1967-02-09

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