FR2262850B1 - - Google Patents

Info

Publication number
FR2262850B1
FR2262850B1 FR7506353A FR7506353A FR2262850B1 FR 2262850 B1 FR2262850 B1 FR 2262850B1 FR 7506353 A FR7506353 A FR 7506353A FR 7506353 A FR7506353 A FR 7506353A FR 2262850 B1 FR2262850 B1 FR 2262850B1
Authority
FR
France
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
FR7506353A
Other languages
French (fr)
Other versions
FR2262850A1 (en
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 NL7402694A external-priority patent/NL7402694A/en
Priority claimed from NL7402690A external-priority patent/NL7402690A/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2262850A1 publication Critical patent/FR2262850A1/fr
Application granted granted Critical
Publication of FR2262850B1 publication Critical patent/FR2262850B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/06—Diagnosis, testing or measuring for television systems or their details for recorders
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; 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
    • 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
    • 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
    • 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
    • G11B5/4969—Details for track selection or addressing
    • 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
    • G11B5/58—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 with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Magnetic Heads (AREA)
  • Magnetic Record Carriers (AREA)
FR7506353A 1974-02-28 1975-02-28 Expired FR2262850B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7402694A NL7402694A (en) 1974-02-28 1974-02-28 DEVICE FOR STORING AND DISPLAYING INFORMATION.
NL7402690A NL7402690A (en) 1974-02-28 1974-02-28 Storage and reproduction of data - using disc and platelet of magnetisable material with bubble generated in platelet

Publications (2)

Publication Number Publication Date
FR2262850A1 FR2262850A1 (en) 1975-09-26
FR2262850B1 true FR2262850B1 (en) 1980-03-28

Family

ID=26644969

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7506353A Expired FR2262850B1 (en) 1974-02-28 1975-02-28

Country Status (5)

Country Link
JP (1) JPS588050B2 (en)
CA (1) CA1063239A (en)
DE (1) DE2506426A1 (en)
FR (1) FR2262850B1 (en)
GB (1) GB1491963A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2362844A1 (en) * 1973-01-10 1974-07-11 Philips Nv DEVICE FOR MAGNETIC RECORDING WITH A MAGNETIC STRIP DOMAEN AS INPUT / OUTPUT HEAD

Also Published As

Publication number Publication date
GB1491963A (en) 1977-11-16
JPS588050B2 (en) 1983-02-14
JPS50120812A (en) 1975-09-22
CA1063239A (en) 1979-09-25
DE2506426A1 (en) 1975-09-04
FR2262850A1 (en) 1975-09-26

Similar Documents

Publication Publication Date Title
FR2263848B1 (en)
FR2270939A1 (en)
FR2279580B1 (en)
JPS50124979A (en)
FR2262846A1 (en)
JPS50126013A (en)
JPS50111454A (en)
FR2262850B1 (en)
FR2274065B1 (en)
JPS50111063U (en)
JPS50118804U (en)
JPS50122645U (en)
CH581294A5 (en)
CH1377974A4 (en)
CH571784A5 (en)
CH568130A5 (en)
CH579652A5 (en)
CH581940A5 (en)
CH581986A5 (en)
CH582013A5 (en)
CH572415A5 (en)
CH564928A5 (en)
CH576989A5 (en)
CH581065A5 (en)
CH580984A5 (en)

Legal Events

Date Code Title Description
ST Notification of lapse