FR2135171A1 - Dispositif de lecture magneto-optique - Google Patents

Dispositif de lecture magneto-optique

Info

Publication number
FR2135171A1
FR2135171A1 FR7214241A FR7214241A FR2135171A1 FR 2135171 A1 FR2135171 A1 FR 2135171A1 FR 7214241 A FR7214241 A FR 7214241A FR 7214241 A FR7214241 A FR 7214241A FR 2135171 A1 FR2135171 A1 FR 2135171A1
Authority
FR
France
Prior art keywords
magneto
reading device
optical reading
optical
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.)
Withdrawn
Application number
FR7214241A
Other languages
English (en)
Inventor
L.Aagard Roger
M.Schmit Francis
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.)
Honeywell Inc
Original Assignee
Honeywell Inc
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 Honeywell Inc filed Critical Honeywell Inc
Publication of FR2135171A1 publication Critical patent/FR2135171A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G11B11/10—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 using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
FR7214241A 1971-05-03 1972-04-21 Dispositif de lecture magneto-optique Withdrawn FR2135171A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13942271A 1971-05-03 1971-05-03

Publications (1)

Publication Number Publication Date
FR2135171A1 true FR2135171A1 (fr) 1972-12-15

Family

ID=22486579

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7214241A Withdrawn FR2135171A1 (fr) 1971-05-03 1972-04-21 Dispositif de lecture magneto-optique

Country Status (3)

Country Link
US (1) US3705395A (fr)
DE (1) DE2221362A1 (fr)
FR (1) FR2135171A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4638470A (en) * 1984-05-09 1987-01-20 Xerox Corporation Apparatus using beam splitter cube with specific characteristics for reading information recorded in a magneto-optic medium
US5124634A (en) * 1989-03-14 1992-06-23 Square D Company Ring optical current transducer

Also Published As

Publication number Publication date
US3705395A (en) 1972-12-05
DE2221362A1 (de) 1972-11-16

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Legal Events

Date Code Title Description
RE Withdrawal of published application