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)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Quality & Reliability (AREA)
  • General Engineering & Computer Science (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
US4065752A (en) * 1972-06-14 1977-12-27 Leslie Louis Goldberg Check digit generation and verification apparatus
GB1439915A (en) * 1972-06-14 1976-06-16 Goldberg L L Check digit generation 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
SE324475B (en) 1970-06-01
DE1234060B (en) 1967-02-09
NL6516701A (en) 1966-03-25
GB1085070A (en) 1967-09-27
US3544776A (en) 1970-12-01

Similar Documents

Publication Publication Date Title
CH377131A (en) Operation testing device for program-controlled data processing machines
CH503430A (en) Terminal for a data transmission system
CH452242A (en) Data processing system with a control device for the test circuits of the arithmetic unit
CH412433A (en) Printing device for data processing machines
AT261095B (en) Selection device for circular knitting machines
AT262160B (en) Carrying device for devices for performing operations on an automatic carousel machine
FR1453952A (en) Device for representing rectilinear traces on an oscillograph
CH446973A (en) Feeding device for fiber processing machines
CH436789A (en) Key arrangement for data entry devices
CH457940A (en) Operation monitoring device for a self-seller
CH451566A (en) Priority circuit for a data processing machine
CH485277A (en) Program sequence control unit for a data processing system
AT250070B (en) Control device for a data processing system
CH468675A (en) Test device on a data processing machine for multi-digit numbers
CH456682A (en) Testing device for a remote-controlled typewriter
AT281454B (en) Device for a tape changer
AT247151B (en) Device for a sound film machine
AT252548B (en) Device on debarking machines
CH506132A (en) Urgency level recognition device for a data processing system
CH417166A (en) Zero printing device for calculating machines
CH488836A (en) Pattern device on a knitting machine
AT268176B (en) Guide device for a mining machine
CH454259A (en) Electrode for a magneto-hydrodynamic device
CH487574A (en) Unit for a circuit device
CH363914A (en) Cleaning device on a card