FR1364621A - Improvements to digital data storage devices - Google Patents

Improvements to digital data storage devices

Info

Publication number
FR1364621A
FR1364621A FR929199A FR929199A FR1364621A FR 1364621 A FR1364621 A FR 1364621A FR 929199 A FR929199 A FR 929199A FR 929199 A FR929199 A FR 929199A FR 1364621 A FR1364621 A FR 1364621A
Authority
FR
France
Prior art keywords
data storage
storage devices
digital data
digital
devices
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
FR929199A
Other languages
French (fr)
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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
Priority claimed from GB1182462A external-priority patent/GB1005542A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority to FR929199A priority Critical patent/FR1364621A/en
Application granted granted Critical
Publication of FR1364621A publication Critical patent/FR1364621A/en
Expired legal-status Critical Current

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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • G06K7/083—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive
    • G06K7/085—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive metal detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
FR929199A 1962-03-28 1963-03-26 Improvements to digital data storage devices Expired FR1364621A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR929199A FR1364621A (en) 1962-03-28 1963-03-26 Improvements to digital data storage devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1182462A GB1005542A (en) 1962-03-28 1962-03-28 Improvements in information stores
FR929199A FR1364621A (en) 1962-03-28 1963-03-26 Improvements to digital data storage devices

Publications (1)

Publication Number Publication Date
FR1364621A true FR1364621A (en) 1964-06-26

Family

ID=26200438

Family Applications (1)

Application Number Title Priority Date Filing Date
FR929199A Expired FR1364621A (en) 1962-03-28 1963-03-26 Improvements to digital data storage devices

Country Status (1)

Country Link
FR (1) FR1364621A (en)

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