CA1003955A - Device for the magnetic storage of data - Google Patents

Device for the magnetic storage of data

Info

Publication number
CA1003955A
CA1003955A CA146,465A CA146465A CA1003955A CA 1003955 A CA1003955 A CA 1003955A CA 146465 A CA146465 A CA 146465A CA 1003955 A CA1003955 A CA 1003955A
Authority
CA
Canada
Prior art keywords
data
magnetic storage
magnetic
storage
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
CA146,465A
Other languages
English (en)
Other versions
CA146465S (en
Inventor
Jan A. L. Potgiesser
Ulrich E. Enz
Frederik A. De Jonge
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 NL7109572A external-priority patent/NL7109572A/xx
Priority claimed from NL7204924A external-priority patent/NL7204924A/xx
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1003955A publication Critical patent/CA1003955A/en
Expired legal-status Critical Current

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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/49—Fixed mounting or arrangements, e.g. one head per track
    • G11B5/4907—Details for scanning
    • G11B5/4915—Structure of specially adapted heads
    • G11B5/4923—Structure of specially adapted heads in which zones of the transducing part are being physically controllable
    • G11B5/493—Control of magnetic properties, e.g. saturation, anisotropy
    • G11B5/4938—Control of magnetic properties, e.g. saturation, anisotropy of thin magnetic films
    • G11B5/4946—Control of magnetic properties, e.g. saturation, anisotropy of thin magnetic films for formation or displacement of magnetic domains, e.g. walls, bubbles
    • 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
    • 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
    • G11B5/37—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using galvano-magnetic devices, e.g. Hall-effect devices using Hall or Hall-related effect, e.g. planar-Hall effect or pseudo-Hall effect
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Magnetic Heads (AREA)
  • Magnetic Record Carriers (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
CA146,465A 1971-07-10 1972-07-06 Device for the magnetic storage of data Expired CA1003955A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7109572A NL7109572A (enrdf_load_stackoverflow) 1971-07-10 1971-07-10
NL7204924A NL7204924A (enrdf_load_stackoverflow) 1972-04-13 1972-04-13

Publications (1)

Publication Number Publication Date
CA1003955A true CA1003955A (en) 1977-01-18

Family

ID=26644673

Family Applications (1)

Application Number Title Priority Date Filing Date
CA146,465A Expired CA1003955A (en) 1971-07-10 1972-07-06 Device for the magnetic storage of data

Country Status (8)

Country Link
JP (1) JPS5326488B1 (enrdf_load_stackoverflow)
BE (1) BE786085A (enrdf_load_stackoverflow)
CA (1) CA1003955A (enrdf_load_stackoverflow)
DE (1) DE2231877C3 (enrdf_load_stackoverflow)
FR (1) FR2145567B1 (enrdf_load_stackoverflow)
GB (1) GB1385984A (enrdf_load_stackoverflow)
IT (1) IT964614B (enrdf_load_stackoverflow)
SE (1) SE385630B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE2231877A1 (de) 1973-01-18
DE2231877B2 (de) 1978-04-20
FR2145567A1 (enrdf_load_stackoverflow) 1973-02-23
DE2231877C3 (de) 1978-12-07
GB1385984A (en) 1975-03-05
FR2145567B1 (enrdf_load_stackoverflow) 1978-11-03
JPS5326488B1 (enrdf_load_stackoverflow) 1978-08-02
IT964614B (it) 1974-01-31
SE385630B (sv) 1976-07-12
BE786085A (fr) 1973-01-10

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