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GB1098889A - Improvements relating to information storage and reading systems - Google Patents

Improvements relating to information storage and reading systems

Info

Publication number
GB1098889A
GB1098889A GB3977465A GB3977465A GB1098889A GB 1098889 A GB1098889 A GB 1098889A GB 3977465 A GB3977465 A GB 3977465A GB 3977465 A GB3977465 A GB 3977465A GB 1098889 A GB1098889 A GB 1098889A
Authority
GB
United Kingdom
Prior art keywords
card
magnetic material
magnetic
switches
magnetic fields
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
GB3977465A
Other languages
English (en)
Inventor
Francis Michael Craven
Michael Donov Pennington-Ridge
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 Ferranti PLC filed Critical Ferranti PLC
Priority to GB3977465A priority Critical patent/GB1098889A/en
Priority to CH1329165A priority patent/CH466317A/de
Priority to DE1966F0030777 priority patent/DE1971268U/de
Publication of GB1098889A publication Critical patent/GB1098889A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/08Methods 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
    • G06K7/082Methods 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
    • G06K7/087Methods 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 flux-sensitive, e.g. magnetic, detectors
    • G06K7/088Methods 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 flux-sensitive, e.g. magnetic, detectors using magneto-sensitive switches, e.g. reed-switches
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C233/00Carboxylic acid amides
    • C07C233/01Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C233/16Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C311/00Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
    • C07C311/15Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Lock And Its Accessories (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
GB3977465A 1964-09-30 1965-09-17 Improvements relating to information storage and reading systems Expired GB1098889A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB3977465A GB1098889A (en) 1965-09-17 1965-09-17 Improvements relating to information storage and reading systems
CH1329165A CH466317A (de) 1964-09-30 1965-09-27 Verfahren zur Herstellung von Alkanolaminderivaten
DE1966F0030777 DE1971268U (de) 1965-09-17 1966-09-15 Informationsspeicher- und leseeinrichtung.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3977465A GB1098889A (en) 1965-09-17 1965-09-17 Improvements relating to information storage and reading systems

Publications (1)

Publication Number Publication Date
GB1098889A true GB1098889A (en) 1968-01-10

Family

ID=10411418

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3977465A Expired GB1098889A (en) 1964-09-30 1965-09-17 Improvements relating to information storage and reading systems

Country Status (2)

Country Link
DE (1) DE1971268U (de)
GB (1) GB1098889A (de)

Also Published As

Publication number Publication date
DE1971268U (de) 1967-10-26

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