JP2818408B2 - 互換型の光ピックアップ装置 - Google Patents

互換型の光ピックアップ装置

Info

Publication number
JP2818408B2
JP2818408B2 JP9151390A JP15139097A JP2818408B2 JP 2818408 B2 JP2818408 B2 JP 2818408B2 JP 9151390 A JP9151390 A JP 9151390A JP 15139097 A JP15139097 A JP 15139097A JP 2818408 B2 JP2818408 B2 JP 2818408B2
Authority
JP
Japan
Prior art keywords
light
light source
recording medium
beam splitter
photodetector
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 - Fee Related
Application number
JP9151390A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1079138A (ja
Inventor
哲雨 李
東鎬 辛
鍾三 鄭
平庸 成
虔皓 趙
顯燮 崔
庸勳 李
泰▲キョウン▼ 金
魯京 朴
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19461391&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP2818408(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of JPH1079138A publication Critical patent/JPH1079138A/ja
Application granted granted Critical
Publication of JP2818408B2 publication Critical patent/JP2818408B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1356—Double or multiple prisms, i.e. having two or more prisms in cooperation
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/139—Numerical aperture control means
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1395—Beam splitters or combiners
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP9151390A 1996-06-07 1997-06-09 互換型の光ピックアップ装置 Expired - Fee Related JP2818408B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019960020725A KR100234261B1 (ko) 1996-06-07 1996-06-07 호환형 광픽업장치
KR199620725 1996-06-07

Publications (2)

Publication Number Publication Date
JPH1079138A JPH1079138A (ja) 1998-03-24
JP2818408B2 true JP2818408B2 (ja) 1998-10-30

Family

ID=19461391

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9151390A Expired - Fee Related JP2818408B2 (ja) 1996-06-07 1997-06-09 互換型の光ピックアップ装置

Country Status (5)

Country Link
JP (1) JP2818408B2 (nl)
KR (1) KR100234261B1 (nl)
CN (1) CN1093975C (nl)
NL (1) NL1006255C2 (nl)
SG (1) SG52983A1 (nl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000009844A (ko) * 1998-07-29 2000-02-15 사까이 히로시 광픽업
KR100315637B1 (ko) * 1999-03-31 2001-12-12 윤종용 씨디-알더블유의 재생/기록이 가능한 디브이디-롬 광학계
KR20030075753A (ko) * 2002-03-20 2003-09-26 삼성전자주식회사 호환형 광픽업
KR100565797B1 (ko) 2004-09-20 2006-03-29 삼성전자주식회사 멀티 기록/재생용 광픽업장치
JP2006236513A (ja) * 2005-02-28 2006-09-07 Hitachi Media Electoronics Co Ltd 光ピックアップ
JP4821372B2 (ja) * 2006-03-03 2011-11-24 富士ゼロックス株式会社 画像読み取り装置
JP5067638B2 (ja) * 2009-04-13 2012-11-07 Ｎｅｃエンジニアリング株式会社 画像読取装置
JP2022534376A (ja) * 2019-05-21 2022-07-29 上海必修福企業管理有限公司 窓、媒体及び光記憶方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61188749A (ja) * 1985-02-18 1986-08-22 Toshiba Corp 情報記録再生装置
JPH0581698A (ja) * 1991-09-20 1993-04-02 Sanyo Electric Co Ltd 波長切換式光ピツクアツプ
JP3058386B2 (ja) * 1992-09-10 2000-07-04 株式会社東芝 光学ヘッド装置及びこれを用いた光ディスク装置
US5615200A (en) * 1992-09-10 1997-03-25 Kabushiki Kaisha Toshiba Light beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical head
US5513164A (en) * 1992-09-11 1996-04-30 Kabushiki Kaisha Toshiba Optical recording and reproducing apparatus
JP3309470B2 (ja) * 1993-03-10 2002-07-29 松下電器産業株式会社 光情報記録再生装置
KR0171078B1 (ko) * 1994-05-13 1999-04-15 배순훈 서로 다른 파장의 레이저 비임을 동시에 각각 발생하여 한쪽면에 복수개의 기록층을 가지는 광디스크를 기록/재생하는 광 픽업 시스템
JPH07311945A (ja) * 1994-05-17 1995-11-28 Matsushita Electric Ind Co Ltd 光記録再生装置
JP3240846B2 (ja) * 1994-08-12 2001-12-25 松下電器産業株式会社 光ヘッド
DE69635559T2 (de) * 1995-06-05 2006-06-14 Nec Corp Optische Wiedergabekopfvorrichtung für verschiedene Plattentypen

Also Published As

Publication number Publication date
NL1006255A1 (nl) 1997-12-10
NL1006255C2 (nl) 2000-01-10
KR100234261B1 (ko) 1999-12-15
CN1170932A (zh) 1998-01-21
SG52983A1 (en) 1998-09-28
CN1093975C (zh) 2002-11-06
JPH1079138A (ja) 1998-03-24
KR980004512A (ko) 1998-03-30

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