IT1121425B - Procedimento e apparecchio di lettura d'informazioni codificate magneticamente - Google Patents

Procedimento e apparecchio di lettura d'informazioni codificate magneticamente

Info

Publication number
IT1121425B
IT1121425B IT23626/79A IT2362679A IT1121425B IT 1121425 B IT1121425 B IT 1121425B IT 23626/79 A IT23626/79 A IT 23626/79A IT 2362679 A IT2362679 A IT 2362679A IT 1121425 B IT1121425 B IT 1121425B
Authority
IT
Italy
Prior art keywords
information reading
coded information
reading procedure
magnetically coded
magnetically
Prior art date
Application number
IT23626/79A
Other languages
English (en)
Other versions
IT7923626A0 (it
Original Assignee
Cii Honeywell Bull
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 Cii Honeywell Bull filed Critical Cii Honeywell Bull
Publication of IT7923626A0 publication Critical patent/IT7923626A0/it
Application granted granted Critical
Publication of IT1121425B publication Critical patent/IT1121425B/it

Links

Classifications

    • 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
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • 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
    • G06K7/087—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 flux-sensitive, e.g. magnetic, detectors

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)
  • Measuring Magnetic Variables (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Magnetic Heads (AREA)
IT23626/79A 1978-06-16 1979-06-15 Procedimento e apparecchio di lettura d'informazioni codificate magneticamente IT1121425B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7818039A FR2428875A1 (fr) 1978-06-16 1978-06-16 Procede et appareil de lecture d'informations codees magnetiquement

Publications (2)

Publication Number Publication Date
IT7923626A0 IT7923626A0 (it) 1979-06-15
IT1121425B true IT1121425B (it) 1986-04-02

Family

ID=9209611

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23626/79A IT1121425B (it) 1978-06-16 1979-06-15 Procedimento e apparecchio di lettura d'informazioni codificate magneticamente

Country Status (6)

Country Link
US (1) US4246474A (it)
JP (1) JPS553099A (it)
DE (1) DE2924248A1 (it)
FR (1) FR2428875A1 (it)
GB (1) GB2026753B (it)
IT (1) IT1121425B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3107942C2 (de) * 1981-03-02 1983-06-30 Nippon Steel Corp., Tokyo Nichtorientiertes Siliziumstahlblech mit gleichmäßigen magnetischen Eigenschaften
JPS57183745U (it) * 1981-05-18 1982-11-20
US4475238A (en) * 1982-04-05 1984-10-02 Everhart Glenn C Magnetoresistive image correlation device
JPS61177592A (ja) * 1985-02-01 1986-08-09 アイエム電子株式会社 印刷物の種類鑑別装置
GB8803504D0 (en) * 1988-02-16 1988-03-16 Mr Sensors Ltd Method of decoding recorded data
EP0342062A3 (en) * 1988-05-12 1992-09-30 Fujitsu Limited Recognising patterns printed in magnetizable ink
US5838607A (en) * 1996-09-25 1998-11-17 Motorola, Inc. Spin polarized apparatus
US6633233B1 (en) * 1999-11-18 2003-10-14 University Of Florida Acceleration rate meter
US6940277B2 (en) * 2000-11-17 2005-09-06 University Of South Florida Giant magnetoresistance based nanopositioner encoder
US7113104B2 (en) * 2000-11-17 2006-09-26 University Of South Florida Giant magnetoresistance based gyroscope
US6744566B2 (en) 2002-10-01 2004-06-01 Eastman Kodak Company Symmetric, bi-aspheric lens for use in transmissive and reflective optical fiber components
JP4525242B2 (ja) * 2004-08-23 2010-08-18 富士ゼロックス株式会社 磁性体が付与された媒体および磁性体検知装置
US9967038B2 (en) * 2014-05-16 2018-05-08 Regents Of The University Of Minnesota Optical interconnect in spin-based computation and communication systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3493694A (en) * 1966-01-19 1970-02-03 Ampex Magnetoresistive head
FR2165206A5 (it) * 1971-12-22 1973-08-03 Cii
JPS576962Y2 (it) * 1974-07-26 1982-02-09
JPS5927115B2 (ja) * 1974-12-29 1984-07-03 ソニー株式会社 情報検出装置

Also Published As

Publication number Publication date
FR2428875A1 (fr) 1980-01-11
GB2026753B (en) 1982-07-07
DE2924248A1 (de) 1979-12-20
FR2428875B1 (it) 1980-10-24
US4246474A (en) 1981-01-20
IT7923626A0 (it) 1979-06-15
JPS553099A (en) 1980-01-10
GB2026753A (en) 1980-02-06

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