BE485840A - - Google Patents

Info

Publication number
BE485840A
BE485840A BE485840DA BE485840A BE 485840 A BE485840 A BE 485840A BE 485840D A BE485840D A BE 485840DA BE 485840 A BE485840 A BE 485840A
Authority
BE
Belgium
Application number
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.)
Publication of BE485840A publication Critical patent/BE485840A/xx

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/063Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code the carrier being marginally punched or notched, e.g. having elongated slots
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K21/00Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting
    • G06K21/04Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting in which coincidence of markings is sensed optically, e.g. peek-a-boo system

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Credit Cards Or The Like (AREA)
BE485840D 1944-04-24 BE485840A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US532525A US2460378A (en) 1944-04-24 1944-04-24 Record card

Publications (1)

Publication Number Publication Date
BE485840A true BE485840A (da)

Family

ID=24122160

Family Applications (1)

Application Number Title Priority Date Filing Date
BE485840D BE485840A (da) 1944-04-24

Country Status (3)

Country Link
US (1) US2460378A (da)
BE (1) BE485840A (da)
NL (2) NL70996C (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL71379C (da) * 1947-09-15

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB294724A (en) * 1927-05-14 1928-08-02 Alfred Perkins Improvements in cards and the like for classificatory systems
GB522386A (en) * 1937-12-11 1940-06-17 Ludwig Rolf Hess Improvements in selecting card indexes
US2198127A (en) * 1938-03-30 1940-04-23 Albert A Rembold Direct segregation system
US2289380A (en) * 1939-08-30 1942-07-14 Mcbee Co Card and the like for sequence sorting
US2213607A (en) * 1939-09-19 1940-09-03 Mcbee Co Card and the like for sequence sorting
US2261719A (en) * 1940-03-02 1941-11-04 Mcbee Co Device for sorting card records

Also Published As

Publication number Publication date
NL70996C (da)
US2460378A (en) 1949-02-01
NL143564B (nl)

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