JPS58128037A - 磁気光学ヘツド - Google Patents

磁気光学ヘツド

Info

Publication number
JPS58128037A
JPS58128037A JP932782A JP932782A JPS58128037A JP S58128037 A JPS58128037 A JP S58128037A JP 932782 A JP932782 A JP 932782A JP 932782 A JP932782 A JP 932782A JP S58128037 A JPS58128037 A JP S58128037A
Authority
JP
Japan
Prior art keywords
photodetector
information
magneto
optical
light
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
JP932782A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0338663B2 (enrdf_load_stackoverflow
Inventor
Toshihisa Deguchi
出口　敏久
Kenji Oota
賢司 太田
Akira Takahashi
明 高橋
Hideyoshi Yamaoka
山岡　秀嘉
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP932782A priority Critical patent/JPS58128037A/ja
Priority to CA000414156A priority patent/CA1190321A/en
Priority to DE8282305749T priority patent/DE3280063D1/de
Priority to US06/437,504 priority patent/US4573149A/en
Priority to EP82305749A priority patent/EP0078673B1/en
Publication of JPS58128037A publication Critical patent/JPS58128037A/ja
Publication of JPH0338663B2 publication Critical patent/JPH0338663B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/21—Intermediate information storage
    • H04N1/2166—Intermediate information storage for mass storage, e.g. in document filing systems
    • H04N1/2195—Intermediate information storage for mass storage, e.g. in document filing systems with temporary storage before final recording or on play-back, e.g. in a frame buffer
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0084—Digital still camera
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0089—Image display device

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
JP932782A 1981-10-29 1982-01-22 磁気光学ヘツド Granted JPS58128037A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP932782A JPS58128037A (ja) 1982-01-22 1982-01-22 磁気光学ヘツド
CA000414156A CA1190321A (en) 1981-10-29 1982-10-26 Magneto-optical head assembly
DE8282305749T DE3280063D1 (de) 1981-10-29 1982-10-28 Magneto-optische kopfeinrichtung.
US06/437,504 US4573149A (en) 1981-10-29 1982-10-28 Magneto-optical head assembly with improved detection means
EP82305749A EP0078673B1 (en) 1981-10-29 1982-10-28 Magneto-optical head assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP932782A JPS58128037A (ja) 1982-01-22 1982-01-22 磁気光学ヘツド

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP4257948A Division JP2672927B2 (ja) 1992-09-28 1992-09-28 磁気光学ヘッド

Publications (2)

Publication Number Publication Date
JPS58128037A true JPS58128037A (ja) 1983-07-30
JPH0338663B2 JPH0338663B2 (enrdf_load_stackoverflow) 1991-06-11

Family

ID=11717371

Family Applications (1)

Application Number Title Priority Date Filing Date
JP932782A Granted JPS58128037A (ja) 1981-10-29 1982-01-22 磁気光学ヘツド

Country Status (1)

Country Link
JP (1) JPS58128037A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6066348A (ja) * 1983-09-20 1985-04-16 Olympus Optical Co Ltd 光磁気ピツクアツプ装置
JPS6054226U (ja) * 1983-09-20 1985-04-16 オリンパス光学工業株式会社 光磁気ピツクアツプ装置
JPH05242547A (ja) * 1992-09-28 1993-09-21 Sharp Corp 磁気光学ヘッド
JPH06295465A (ja) * 1993-11-15 1994-10-21 Canon Inc 光ピックアップ装置
US5517480A (en) * 1989-09-29 1996-05-14 Canon Kabushiki Kaisha Magneto-optical information reproducing apparatus that splits a light beam into at least three light beams advancing in the same direction

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5788540A (en) * 1980-11-21 1982-06-02 Olympus Optical Co Ltd Method and apparatus for information read-in of optical magnetic recording medium
JPS57111873A (en) * 1980-12-27 1982-07-12 Ricoh Co Ltd Multi-address memory circuit
JPS57117106A (en) * 1981-01-09 1982-07-21 Olympus Optical Co Ltd Optical magnetic recording and reproducing method
JPS5829155A (ja) * 1981-08-14 1983-02-21 Olympus Optical Co Ltd 光磁気方式による情報再生装置
JPS5877048A (ja) * 1981-10-30 1983-05-10 Pioneer Electronic Corp 光磁気記録再生方式における読取装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5788540A (en) * 1980-11-21 1982-06-02 Olympus Optical Co Ltd Method and apparatus for information read-in of optical magnetic recording medium
JPS57111873A (en) * 1980-12-27 1982-07-12 Ricoh Co Ltd Multi-address memory circuit
JPS57117106A (en) * 1981-01-09 1982-07-21 Olympus Optical Co Ltd Optical magnetic recording and reproducing method
JPS5829155A (ja) * 1981-08-14 1983-02-21 Olympus Optical Co Ltd 光磁気方式による情報再生装置
JPS5877048A (ja) * 1981-10-30 1983-05-10 Pioneer Electronic Corp 光磁気記録再生方式における読取装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6066348A (ja) * 1983-09-20 1985-04-16 Olympus Optical Co Ltd 光磁気ピツクアツプ装置
JPS6054226U (ja) * 1983-09-20 1985-04-16 オリンパス光学工業株式会社 光磁気ピツクアツプ装置
US5517480A (en) * 1989-09-29 1996-05-14 Canon Kabushiki Kaisha Magneto-optical information reproducing apparatus that splits a light beam into at least three light beams advancing in the same direction
JPH05242547A (ja) * 1992-09-28 1993-09-21 Sharp Corp 磁気光学ヘッド
JPH06295465A (ja) * 1993-11-15 1994-10-21 Canon Inc 光ピックアップ装置

Also Published As

Publication number Publication date
JPH0338663B2 (enrdf_load_stackoverflow) 1991-06-11

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