JPH059855B2 - - Google Patents

Info

Publication number
JPH059855B2
JPH059855B2 JP58024792A JP2479283A JPH059855B2 JP H059855 B2 JPH059855 B2 JP H059855B2 JP 58024792 A JP58024792 A JP 58024792A JP 2479283 A JP2479283 A JP 2479283A JP H059855 B2 JPH059855 B2 JP H059855B2
Authority
JP
Japan
Prior art keywords
light
recording medium
reflected
light beam
beam splitter
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.)
Expired - Lifetime
Application number
JP58024792A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59152549A (ja
Inventor
Yutaka Hara
Hiroshi Sonobe
Makoto Yomo
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP58024792A priority Critical patent/JPS59152549A/ja
Publication of JPS59152549A publication Critical patent/JPS59152549A/ja
Publication of JPH059855B2 publication Critical patent/JPH059855B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0018—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for preventing ghost images
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
JP58024792A 1983-02-18 1983-02-18 光学ピツクアツプ Granted JPS59152549A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58024792A JPS59152549A (ja) 1983-02-18 1983-02-18 光学ピツクアツプ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58024792A JPS59152549A (ja) 1983-02-18 1983-02-18 光学ピツクアツプ

Publications (2)

Publication Number Publication Date
JPS59152549A JPS59152549A (ja) 1984-08-31
JPH059855B2 true JPH059855B2 (https=) 1993-02-08

Family

ID=12148035

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58024792A Granted JPS59152549A (ja) 1983-02-18 1983-02-18 光学ピツクアツプ

Country Status (1)

Country Link
JP (1) JPS59152549A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63266655A (ja) * 1987-04-24 1988-11-02 Hitachi Ltd 磁気光学ヘツド
JP2570325B2 (ja) * 1987-10-30 1997-01-08 セイコーエプソン株式会社 光学ヘッド
JP2728211B2 (ja) * 1988-09-30 1998-03-18 キヤノン株式会社 光ヘッド
JP2639218B2 (ja) * 1990-11-30 1997-08-06 日本電気株式会社 プリズムおよび該プリズムを用いた光ディスク装置用光ヘッド

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5742895A (en) * 1980-08-27 1982-03-10 Toshiba Plant Kensetsu Kk Device for dischaging tube of control rod drive mechanism in decomposing and cleaning tank , and device for supporting tube accompanying its device
JPS57123538A (en) * 1981-01-22 1982-08-02 Mitsubishi Electric Corp Optical pickup

Also Published As

Publication number Publication date
JPS59152549A (ja) 1984-08-31

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