AU1974970A - - Google Patents

Info

Publication number
AU1974970A
AU1974970A AU19749/70A AU1974970A AU1974970A AU 1974970 A AU1974970 A AU 1974970A AU 19749/70 A AU19749/70 A AU 19749/70A AU 1974970 A AU1974970 A AU 1974970A AU 1974970 A AU1974970 A AU 1974970A
Authority
AU
Australia
Prior art keywords
transducer
record
magnetic
gap
reading
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
AU19749/70A
Other languages
English (en)
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
Priority to AU19749/70A priority Critical patent/AU1974970A/en
Publication of AU1974970A publication Critical patent/AU1974970A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/089—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 hand-held scanners
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/084—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 sensing magnetic material by relative movement detecting flux changes without altering its magnetised state
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
AU19749/70A 1970-09-09 1970-09-09 Expired AU1974970A (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU19749/70A AU1974970A (enExample) 1970-09-09 1970-09-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU19749/70A AU1974970A (enExample) 1970-09-09 1970-09-09

Publications (1)

Publication Number Publication Date
AU1974970A true AU1974970A (enExample) 1972-03-16

Family

ID=3709170

Family Applications (1)

Application Number Title Priority Date Filing Date
AU19749/70A Expired AU1974970A (enExample) 1970-09-09 1970-09-09

Country Status (1)

Country Link
AU (1) AU1974970A (enExample)

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