JPS59152549A - 光学ピツクアツプ - Google Patents

光学ピツクアツプ

Info

Publication number
JPS59152549A
JPS59152549A JP58024792A JP2479283A JPS59152549A JP S59152549 A JPS59152549 A JP S59152549A JP 58024792 A JP58024792 A JP 58024792A JP 2479283 A JP2479283 A JP 2479283A JP S59152549 A JPS59152549 A JP S59152549A
Authority
JP
Japan
Prior art keywords
light
recording medium
face
light beam
light source
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
JP58024792A
Other languages
English (en)
Japanese (ja)
Other versions
JPH059855B2 (https=
Inventor
Yutaka Hara
裕 原
Hiroshi Sonobe
啓 園部
Makoto Yomo
誠 四方
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 true JPS59152549A (ja) 1984-08-31
JPH059855B2 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=)

Cited By (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
JPH01118228A (ja) * 1987-10-30 1989-05-10 Seiko Epson Corp 光学ヘッド
JPH0294035A (ja) * 1988-09-30 1990-04-04 Canon Inc 光ヘッド
JPH04205929A (ja) * 1990-11-30 1992-07-28 Nec Corp 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

Citations (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

Patent Citations (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

Cited By (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
JPH01118228A (ja) * 1987-10-30 1989-05-10 Seiko Epson Corp 光学ヘッド
JPH0294035A (ja) * 1988-09-30 1990-04-04 Canon Inc 光ヘッド
JPH04205929A (ja) * 1990-11-30 1992-07-28 Nec Corp 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

Also Published As

Publication number Publication date
JPH059855B2 (https=) 1993-02-08

Similar Documents

Publication Publication Date Title
JPS58166544A (ja) 情報媒体の記録再生装置の光ヘツド
EP0838810A1 (en) Optical pickup and disk player
JPH0731837B2 (ja) 光ピツクアツプ装置
US4682316A (en) Optical information processing apparatus for light beam focus detection and control
JPS59152549A (ja) 光学ピツクアツプ
JPS6190346A (ja) 光磁気再生装置
JP2921801B2 (ja) 光学的情報再生装置
JP2544639B2 (ja) 光ピックアップ
JPH03147535A (ja) 光学ヘッド
JP3095194B2 (ja) 光磁気情報再生装置
JPH0696489A (ja) 光磁気情報再生装置
JPH08221838A (ja) 光磁気記録再生装置
JP2667678B2 (ja) 光磁気メモリ装置
JP3413496B2 (ja) 光磁気情報再生装置
JPS61206947A (ja) 同時消録型光磁気記録及び記録再生装置のピツクアツプ
JPH0654547B2 (ja) 光ピツクアツプ
JP2578413B2 (ja) 光磁気情報再生装置
JPH0246544A (ja) 光メモリ装置
JPH03104041A (ja) 光磁気ディスク装置
JPH01211345A (ja) 光磁気記録再生用光学ヘッド
JPS5870431A (ja) 光学ヘツド
JPH02158923A (ja) 光ピックアップ装置
JPH08190745A (ja) 光磁気再生方法
JPS60263342A (ja) 光学式情報処理装置
JPH0246546A (ja) 光磁気記録再生方式及びこれに用いる装置