JPS5930255A - 磁気−光ヘツド - Google Patents

磁気−光ヘツド

Info

Publication number
JPS5930255A
JPS5930255A JP13843782A JP13843782A JPS5930255A JP S5930255 A JPS5930255 A JP S5930255A JP 13843782 A JP13843782 A JP 13843782A JP 13843782 A JP13843782 A JP 13843782A JP S5930255 A JPS5930255 A JP S5930255A
Authority
JP
Japan
Prior art keywords
thin film
magnetic
magnetic thin
optical head
recording medium
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
JP13843782A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0355894B2 (enrdf_load_stackoverflow
Inventor
Tatsuo Nomura
龍男 野村
Shozo Nakagawa
中川　省三
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.)
Japan Broadcasting Corp
Original Assignee
Nippon Hoso Kyokai NHK
Japan Broadcasting 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 Nippon Hoso Kyokai NHK, Japan Broadcasting Corp filed Critical Nippon Hoso Kyokai NHK
Priority to JP13843782A priority Critical patent/JPS5930255A/ja
Publication of JPS5930255A publication Critical patent/JPS5930255A/ja
Publication of JPH0355894B2 publication Critical patent/JPH0355894B2/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
    • G11B11/105—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 using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532—Heads
    • G11B11/10541—Heads for reproducing
    • G11B11/10543—Heads for reproducing using optical beam of radiation
    • G11B11/10547—Heads for reproducing using optical beam of radiation interacting with the magnetisation of an intermediate transfer element, e.g. magnetic film, included in the head
JP13843782A 1982-08-11 1982-08-11 磁気−光ヘツド Granted JPS5930255A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13843782A JPS5930255A (ja) 1982-08-11 1982-08-11 磁気−光ヘツド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13843782A JPS5930255A (ja) 1982-08-11 1982-08-11 磁気−光ヘツド

Publications (2)

Publication Number Publication Date
JPS5930255A true JPS5930255A (ja) 1984-02-17
JPH0355894B2 JPH0355894B2 (enrdf_load_stackoverflow) 1991-08-26

Family

ID=15221957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13843782A Granted JPS5930255A (ja) 1982-08-11 1982-08-11 磁気−光ヘツド

Country Status (1)

Country Link
JP (1) JPS5930255A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8403951A (nl) * 1983-12-29 1985-07-16 Fuji Photo Film Co Ltd Werkwijze en inrichting voor het reproduceren van magnetische informatie.
US5488598A (en) * 1985-02-28 1996-01-30 Canon Kabushiki Kaisha Optical pickup using split beams impinging on different photodetector areas
US5689391A (en) * 1989-12-28 1997-11-18 Thomson Consumer Electronics Magneto-optic multitrack reading head having a plurality of reflective rays
KR100439374B1 (ko) * 2001-09-13 2004-07-09 엘지전자 주식회사 이종 기록매체 호환 광픽업 장치
KR100508418B1 (ko) * 1997-11-06 2005-11-24 후지제롯쿠스 가부시끼가이샤 광헤드및광디스크장치
JP2008290246A (ja) * 2008-08-25 2008-12-04 Yamato Protec Co 消火器の解体方法及び解体装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5633781A (en) * 1979-08-28 1981-04-04 Omron Tateisi Electronics Co Line printer
JPS5727450A (en) * 1980-07-23 1982-02-13 Ricoh Co Ltd Magnetic recording medium

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5633781A (en) * 1979-08-28 1981-04-04 Omron Tateisi Electronics Co Line printer
JPS5727450A (en) * 1980-07-23 1982-02-13 Ricoh Co Ltd Magnetic recording medium

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8403951A (nl) * 1983-12-29 1985-07-16 Fuji Photo Film Co Ltd Werkwijze en inrichting voor het reproduceren van magnetische informatie.
US5488598A (en) * 1985-02-28 1996-01-30 Canon Kabushiki Kaisha Optical pickup using split beams impinging on different photodetector areas
US5689391A (en) * 1989-12-28 1997-11-18 Thomson Consumer Electronics Magneto-optic multitrack reading head having a plurality of reflective rays
KR100508418B1 (ko) * 1997-11-06 2005-11-24 후지제롯쿠스 가부시끼가이샤 광헤드및광디스크장치
KR100439374B1 (ko) * 2001-09-13 2004-07-09 엘지전자 주식회사 이종 기록매체 호환 광픽업 장치
JP2008290246A (ja) * 2008-08-25 2008-12-04 Yamato Protec Co 消火器の解体方法及び解体装置

Also Published As

Publication number Publication date
JPH0355894B2 (enrdf_load_stackoverflow) 1991-08-26

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