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GB1005542A - Improvements in information stores - Google Patents

Improvements in information stores

Info

Publication number
GB1005542A
GB1005542A GB1182462A GB1182462A GB1005542A GB 1005542 A GB1005542 A GB 1005542A GB 1182462 A GB1182462 A GB 1182462A GB 1182462 A GB1182462 A GB 1182462A GB 1005542 A GB1005542 A GB 1005542A
Authority
GB
United Kingdom
Prior art keywords
sense
conductors
loops
holes
conductor
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
GB1182462A
Inventor
Daniel Matthew Taub
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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority to GB1182462A priority Critical patent/GB1005542A/en
Priority to FR929199A priority patent/FR1364621A/en
Priority to DE1963J0023446 priority patent/DE1277925B/en
Publication of GB1005542A publication Critical patent/GB1005542A/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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electrotherapy Devices (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

1,005,542. Permanent data stores. INTERNATIONAL BUSINESS MACHINES CORPORATION. May 28, 1963 [March 28, 1962], No. 11824/62. Heading G4A. A read-only store comprises drive conductors 6, 7 formed into S-shaped loops, and sense conductors 4, the limbs of each S overlying a sense conductor. If current is passed through a drive conductor, the induction on a sense conductor due to the upper loop of the 8 balances that due to the lower loop. Data storage is effected by punching holes 9 in a copper sheet positioned so that the holes overlie the lower loops. Where a hole is present, the induction in the sense conductor due to the lower loop is greater than that due to the upper loop and an E.M.F. is generated in the sense conductor. Ternary information may be stored by selectively positioning the holes over the upper or lower loops. In a second embodiment, to reduce capacitive coupling between sense and drive conductors, the drive conductors are shaped as in Fig. 4 and the holes are positioned over the loops EFGH, WXYZ. Shielding conductors 5 are provided to prevent interference between storage locations. The roles of the sense and drive conductors may be reversed.
GB1182462A 1962-03-28 1962-03-28 Improvements in information stores Expired GB1005542A (en)

Priority Applications (3)

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
DE1963J0023446 DE1277925B (en) 1962-03-28 1963-03-28 Semi-permanent data storage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1182462A GB1005542A (en) 1962-03-28 1962-03-28 Improvements in information stores

Publications (1)

Publication Number Publication Date
GB1005542A true GB1005542A (en) 1965-09-22

Family

ID=9993372

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1182462A Expired GB1005542A (en) 1962-03-28 1962-03-28 Improvements in information stores

Country Status (2)

Country Link
DE (1) DE1277925B (en)
GB (1) GB1005542A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL249294A (en) * 1959-03-17
FR1254119A (en) * 1959-04-10 1961-02-17 Ericsson Telefon Ab L M Magnetic memory device
FR1264054A (en) * 1959-05-08 1961-06-19 Nippon Telegraph & Telephone Memory for information storage

Also Published As

Publication number Publication date
DE1277925B (en) 1968-09-19

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