NL7011715A - - Google Patents

Info

Publication number
NL7011715A
NL7011715A NL7011715A NL7011715A NL7011715A NL 7011715 A NL7011715 A NL 7011715A NL 7011715 A NL7011715 A NL 7011715A NL 7011715 A NL7011715 A NL 7011715A NL 7011715 A NL7011715 A NL 7011715A
Authority
NL
Netherlands
Application number
NL7011715A
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 filed Critical
Publication of NL7011715A publication Critical patent/NL7011715A/xx

Links

Classifications

    • 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
    • G11C17/02—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using magnetic or inductive elements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
    • G06K1/12—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K19/06187—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 with magnetically detectable marking
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/716—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by two or more magnetic layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/855—Coating only part of a support with a magnetic layer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Magnetic Record Carriers (AREA)
  • Credit Cards Or The Like (AREA)
NL7011715A 1969-09-16 1970-08-07 NL7011715A (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691946760 DE1946760A1 (de) 1969-09-16 1969-09-16 Magnetischer Informationsspeicher

Publications (1)

Publication Number Publication Date
NL7011715A true NL7011715A (cg-RX-API-DMAC7.html) 1971-03-18

Family

ID=5745596

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7011715A NL7011715A (cg-RX-API-DMAC7.html) 1969-09-16 1970-08-07

Country Status (4)

Country Link
US (1) US3683340A (cg-RX-API-DMAC7.html)
DE (1) DE1946760A1 (cg-RX-API-DMAC7.html)
FR (1) FR2061741B1 (cg-RX-API-DMAC7.html)
NL (1) NL7011715A (cg-RX-API-DMAC7.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3806903A (en) * 1971-12-06 1974-04-23 Hughes Aircraft Co Magneto-optical cylindrical magnetic domain memory
USRE28440E (en) * 1971-12-06 1975-06-03 Magneto-optical cylindrical magnetic domain memory
US3896292A (en) * 1973-06-18 1975-07-22 Michael May Hall effect position coded card detector
US5504699A (en) * 1994-04-08 1996-04-02 Goller; Stuart E. Nonvolatile magnetic analog memory

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL113704C (cg-RX-API-DMAC7.html) * 1957-10-30
NL291361A (cg-RX-API-DMAC7.html) * 1962-04-16
BE642382A (cg-RX-API-DMAC7.html) * 1962-06-29
GB1097221A (en) * 1963-10-28 1968-01-03 Plessey Uk Ltd Improvements in or relating to ticket checking systems
GB999496A (en) * 1964-04-22 1965-07-28 Nickolai Alexandrovich Zykov Inductive type memory matrix with recording information on shielding punched cards
FR1471893A (fr) * 1965-03-24 1967-03-03 Siemens Ag Porteur d'informations à exploration galvanomagnétique comportant un organe d'exploration
US3490011A (en) * 1966-08-12 1970-01-13 Texas Instruments Inc Read-only memory with an adjacent apertured magnetic plate
US3430200A (en) * 1967-06-30 1969-02-25 Walter W Barney Validator apparatus for magnetic credit cards and the like

Also Published As

Publication number Publication date
FR2061741B1 (cg-RX-API-DMAC7.html) 1974-05-17
DE1946760A1 (de) 1971-03-25
US3683340A (en) 1972-08-08
FR2061741A1 (cg-RX-API-DMAC7.html) 1971-06-25

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