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FR2298850A1 - DEVICE FOR RECORDING INFORMATION ON A MAGNETIC MEDIA - Google Patents

DEVICE FOR RECORDING INFORMATION ON A MAGNETIC MEDIA

Info

Publication number
FR2298850A1
FR2298850A1 FR7502137A FR7502137A FR2298850A1 FR 2298850 A1 FR2298850 A1 FR 2298850A1 FR 7502137 A FR7502137 A FR 7502137A FR 7502137 A FR7502137 A FR 7502137A FR 2298850 A1 FR2298850 A1 FR 2298850A1
Authority
FR
France
Prior art keywords
recording information
magnetic media
media
magnetic
recording
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.)
Granted
Application number
FR7502137A
Other languages
French (fr)
Other versions
FR2298850B1 (en
Inventor
Jean Georges Magnenet
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.)
Bull SAS
Original Assignee
Societe Industrielle 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 Societe Industrielle Honeywell Bull filed Critical Societe Industrielle Honeywell Bull
Priority to FR7502137A priority Critical patent/FR2298850A1/en
Priority to GB220876A priority patent/GB1529085A/en
Priority to DE19762601916 priority patent/DE2601916A1/en
Priority to JP51005520A priority patent/JPS5197415A/ja
Publication of FR2298850A1 publication Critical patent/FR2298850A1/en
Application granted granted Critical
Publication of FR2298850B1 publication Critical patent/FR2298850B1/fr
Priority to US05/854,682 priority patent/US4138702A/en
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/1278Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G19/00Processes using magnetic patterns; Apparatus therefor, i.e. magnetography

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Heads (AREA)
  • Digital Magnetic Recording (AREA)
FR7502137A 1975-01-23 1975-01-23 DEVICE FOR RECORDING INFORMATION ON A MAGNETIC MEDIA Granted FR2298850A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7502137A FR2298850A1 (en) 1975-01-23 1975-01-23 DEVICE FOR RECORDING INFORMATION ON A MAGNETIC MEDIA
GB220876A GB1529085A (en) 1975-01-23 1976-01-20 Arrangement for recording information on a magnetic record carrier
DE19762601916 DE2601916A1 (en) 1975-01-23 1976-01-20 DEVICE FOR RECORDING INFORMATION ON A MAGNETIC CARRIER
JP51005520A JPS5197415A (en) 1975-01-23 1976-01-22
US05/854,682 US4138702A (en) 1975-01-23 1977-11-25 Head arrangement for perpendicular recording information on a magnetic record carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7502137A FR2298850A1 (en) 1975-01-23 1975-01-23 DEVICE FOR RECORDING INFORMATION ON A MAGNETIC MEDIA

Publications (2)

Publication Number Publication Date
FR2298850A1 true FR2298850A1 (en) 1976-08-20
FR2298850B1 FR2298850B1 (en) 1977-10-21

Family

ID=9150237

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7502137A Granted FR2298850A1 (en) 1975-01-23 1975-01-23 DEVICE FOR RECORDING INFORMATION ON A MAGNETIC MEDIA

Country Status (4)

Country Link
JP (1) JPS5197415A (en)
DE (1) DE2601916A1 (en)
FR (1) FR2298850A1 (en)
GB (1) GB1529085A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3006751A1 (en) * 1979-02-23 1980-09-04 Cii Honeywell Bull METHOD FOR MAGNETICALLY PLAYING PRINT CHARACTERS AND DEVICE FOR IMPLEMENTING THE METHOD
FR2522857A1 (en) * 1982-03-03 1983-09-09 Cii Honeywell Bull Low-friction non-impact magnetic printer - uses magnetic drum to support magnetic data carrier, and electromagnet heads facing drum to write data

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402921A1 (en) * 1977-09-07 1979-04-06 Cii Honeywell Bull MAGNETIC RECORDING ELEMENT AND ITS MANUFACTURING PROCESS

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1153069B (en) * 1960-02-06 1963-08-22 Grundig Max Arrangement for recording any signals with a transverse magnetization magnetic head

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2840440A (en) * 1953-10-07 1958-06-24 Donald J Mclaughlin Magnetic recording and pickup system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1153069B (en) * 1960-02-06 1963-08-22 Grundig Max Arrangement for recording any signals with a transverse magnetization magnetic head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3006751A1 (en) * 1979-02-23 1980-09-04 Cii Honeywell Bull METHOD FOR MAGNETICALLY PLAYING PRINT CHARACTERS AND DEVICE FOR IMPLEMENTING THE METHOD
FR2522857A1 (en) * 1982-03-03 1983-09-09 Cii Honeywell Bull Low-friction non-impact magnetic printer - uses magnetic drum to support magnetic data carrier, and electromagnet heads facing drum to write data

Also Published As

Publication number Publication date
JPS5197415A (en) 1976-08-27
FR2298850B1 (en) 1977-10-21
DE2601916A1 (en) 1976-07-29
GB1529085A (en) 1978-10-18

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Legal Events

Date Code Title Description
ST Notification of lapse