JPS57200959A - Write and read device of optical magnetic recording system - Google Patents

Write and read device of optical magnetic recording system

Info

Publication number
JPS57200959A
JPS57200959A JP56086151A JP8615181A JPS57200959A JP S57200959 A JPS57200959 A JP S57200959A JP 56086151 A JP56086151 A JP 56086151A JP 8615181 A JP8615181 A JP 8615181A JP S57200959 A JPS57200959 A JP S57200959A
Authority
JP
Japan
Prior art keywords
light
polarization
optical system
lambda
write
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
JP56086151A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6360451B2 (enrdf_load_stackoverflow
Inventor
Hideki Hatano
Takasumi Tajiri
Masaru Otaki
Shigeru Kato
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.)
Pioneer Corp
Original Assignee
Pioneer Corp
Pioneer Electronic Corp
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 Pioneer Corp, Pioneer Electronic Corp filed Critical Pioneer Corp
Priority to JP56086151A priority Critical patent/JPS57200959A/ja
Publication of JPS57200959A publication Critical patent/JPS57200959A/ja
Publication of JPS6360451B2 publication Critical patent/JPS6360451B2/ja
Granted 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

Landscapes

  • Optical Head (AREA)
JP56086151A 1981-06-04 1981-06-04 Write and read device of optical magnetic recording system Granted JPS57200959A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56086151A JPS57200959A (en) 1981-06-04 1981-06-04 Write and read device of optical magnetic recording system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56086151A JPS57200959A (en) 1981-06-04 1981-06-04 Write and read device of optical magnetic recording system

Publications (2)

Publication Number Publication Date
JPS57200959A true JPS57200959A (en) 1982-12-09
JPS6360451B2 JPS6360451B2 (enrdf_load_stackoverflow) 1988-11-24

Family

ID=13878730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56086151A Granted JPS57200959A (en) 1981-06-04 1981-06-04 Write and read device of optical magnetic recording system

Country Status (1)

Country Link
JP (1) JPS57200959A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60239945A (ja) * 1984-05-15 1985-11-28 Seiko Epson Corp マルチ光学ヘッド
US6639888B1 (en) 1998-02-03 2003-10-28 Fujitsu Limited Information reading and recording device for optical disk

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60239945A (ja) * 1984-05-15 1985-11-28 Seiko Epson Corp マルチ光学ヘッド
US6639888B1 (en) 1998-02-03 2003-10-28 Fujitsu Limited Information reading and recording device for optical disk

Also Published As

Publication number Publication date
JPS6360451B2 (enrdf_load_stackoverflow) 1988-11-24

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