GB1327747A - Universal check digit verifier/generator systems - Google Patents

Universal check digit verifier/generator systems

Info

Publication number
GB1327747A
GB1327747A GB480371A GB1327747DA GB1327747A GB 1327747 A GB1327747 A GB 1327747A GB 480371 A GB480371 A GB 480371A GB 1327747D A GB1327747D A GB 1327747DA GB 1327747 A GB1327747 A GB 1327747A
Authority
GB
United Kingdom
Prior art keywords
check digit
verifier
modulus
digits
weighted values
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
GB480371A
Other languages
English (en)
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.)
Fujitsu Services Ltd
Original Assignee
Fujitsu Services Ltd
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 Fujitsu Services Ltd filed Critical Fujitsu Services Ltd
Publication of GB1327747A publication Critical patent/GB1327747A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
  • Detection And Correction Of Errors (AREA)
  • Error Detection And Correction (AREA)
GB480371A 1971-02-17 1971-02-17 Universal check digit verifier/generator systems Expired GB1327747A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB480371 1971-02-17

Publications (1)

Publication Number Publication Date
GB1327747A true GB1327747A (en) 1973-08-22

Family

ID=9784107

Family Applications (1)

Application Number Title Priority Date Filing Date
GB480371A Expired GB1327747A (en) 1971-02-17 1971-02-17 Universal check digit verifier/generator systems

Country Status (3)

Country Link
US (1) US3778765A (https=)
FR (1) FR2126005A5 (https=)
GB (1) GB1327747A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2382724A1 (fr) * 1977-03-04 1978-09-29 Cii Honeywell Bull Systeme pour controler la validite de la lecture par une machine d'un code porte sur un document
JPH02195599A (ja) * 1989-01-24 1990-08-02 Ricoh Co Ltd 情報処理装置
US5459741A (en) * 1989-12-15 1995-10-17 Canon Kabushiki Kaisha Error correction method
US5247524A (en) * 1990-06-29 1993-09-21 Digital Equipment Corporation Method for generating a checksum

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3235716A (en) * 1961-12-05 1966-02-15 Ncr Co Data entry checking apparatus
DE1188838B (de) * 1963-07-27 1965-03-11 Philips Patentverwaltung Schaltungsanordnung zur Errechnung von Pruefzeichen und Kontrolle von Datengruppen mit anhaengendem Pruefzeichen auf Fehler
FR1463936A (fr) * 1965-10-29 1966-07-22 Constr Telephoniques Dispositif de contrôle pour transmission de données
US3484744A (en) * 1967-02-14 1969-12-16 Ultronic Systems Corp Apparatus for verifying or producing check digit numbers
US3571581A (en) * 1968-09-10 1971-03-23 Ibm Digit verification system for an electronic transaction recorder

Also Published As

Publication number Publication date
FR2126005A5 (https=) 1972-09-29
US3778765A (en) 1973-12-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee