NL290454A - - Google Patents

Info

Publication number
NL290454A
NL290454A NL290454DA NL290454A NL 290454 A NL290454 A NL 290454A NL 290454D A NL290454D A NL 290454DA NL 290454 A NL290454 A NL 290454A
Authority
NL
Netherlands
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 NL290454A publication Critical patent/NL290454A/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record 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
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C15/00—Digital stores in which information comprising one or more characteristic parts is written into the store and in which information is read-out by searching for one or more of these characteristic parts, i.e. associative or content-addressed stores
    • G11C15/04—Digital stores in which information comprising one or more characteristic parts is written into the store and in which information is read-out by searching for one or more of these characteristic parts, i.e. associative or content-addressed stores using semiconductor elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/06—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using diode elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Credit Cards Or The Like (AREA)
NL290454D 1962-03-21 NL290454A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US181381A US3171100A (en) 1962-03-21 1962-03-21 Punchable memory card having printed circuit thereon

Publications (1)

Publication Number Publication Date
NL290454A true NL290454A (xx)

Family

ID=22664042

Family Applications (1)

Application Number Title Priority Date Filing Date
NL290454D NL290454A (xx) 1962-03-21

Country Status (4)

Country Link
US (1) US3171100A (xx)
BE (1) BE629913A (xx)
GB (1) GB1004037A (xx)
NL (1) NL290454A (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3251043A (en) * 1962-04-26 1966-05-10 Ibm Record card memories
GB1000614A (en) * 1963-02-19 1965-08-11 Gen Electric Co Ltd Improvements in or relating to electrical digital data stores
DE1266353B (de) * 1964-03-13 1968-04-18 Bbc Brown Boveri & Cie Matrixfoermige Anordnung von Oxydschichtdioden zur Verwendung als manipulierbarer Festwertspeicher oder Informationsumsetzer
DE1295655B (de) * 1965-06-15 1969-05-22 Standard Elektrik Lorenz Ag Magnetischer assoziativer Halbfestwertspeicher
US3470359A (en) * 1966-04-05 1969-09-30 Fmc Corp Anti-counterfeit document
US3599146A (en) * 1968-04-19 1971-08-10 Rca Corp Memory addressing failure detection
US3576549A (en) * 1969-04-14 1971-04-27 Cogar Corp Semiconductor device, method, and memory array
US3626157A (en) * 1969-05-28 1971-12-07 Ibm Field-effect perforated media reader
US3604900A (en) * 1969-07-07 1971-09-14 Sprague Electric Co Electronic credit card
FR2065617B1 (xx) * 1969-10-31 1976-02-06 Licentia Gmbh
US3579868A (en) * 1969-11-14 1971-05-25 Thaddeus Leroy Scott Test scoring answer sheet and method of employing same
US4079237A (en) * 1975-11-12 1978-03-14 Unit Process Assemblies, Inc. Card controlled beta backscatter thickness measuring instrument
JPS5388540A (en) * 1977-01-17 1978-08-04 Hitachi Ltd Memory cell
DE3409611A1 (de) * 1984-03-15 1985-09-19 Siemens AG, 1000 Berlin und 8000 München Anordnung zur kennzeichnung von elektronischen schluessel-/schlosssystemen
GB2400710A (en) * 2003-04-14 2004-10-20 Personal Biometric Encoders Lt Encoding data

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2353001A (en) * 1937-12-30 1944-07-04 Ibm Accounting machine
US2598155A (en) * 1946-03-26 1952-05-27 Gilbert L Betts Electric data processor
US2872664A (en) * 1955-03-01 1959-02-03 Minot Otis Northrop Information handling

Also Published As

Publication number Publication date
GB1004037A (en) 1965-09-08
US3171100A (en) 1965-02-23
BE629913A (xx)

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