NL1006255A1 - Optical pick-up device. - Google Patents

Optical pick-up device.

Info

Publication number
NL1006255A1
NL1006255A1 NL1006255A NL1006255A NL1006255A1 NL 1006255 A1 NL1006255 A1 NL 1006255A1 NL 1006255 A NL1006255 A NL 1006255A NL 1006255 A NL1006255 A NL 1006255A NL 1006255 A1 NL1006255 A1 NL 1006255A1
Authority
NL
Netherlands
Prior art keywords
optical pick
pick
optical
Prior art date
Application number
NL1006255A
Other languages
Dutch (nl)
Other versions
NL1006255C2 (en
Inventor
Chul-Woo Lee
Dong-Ho Shin
Chong-Sam Chung
Pyeong-Yong Seong
Kun-Ho Cho
Hyun-Seob Choi
Yong-Hoon Lee
Tae-Kyoung Kim
No-Kyong Park
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=NL1006255(A1) "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 NL1006255A1 publication Critical patent/NL1006255A1/en
Application granted granted Critical
Publication of NL1006255C2 publication Critical patent/NL1006255C2/en

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
    • G11B7/135—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
    • 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
    • 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)
NL1006255A 1996-06-07 1997-06-06 Optical pick-up device. NL1006255C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR19960020725 1996-06-07
KR1019960020725A KR100234261B1 (en) 1996-06-07 1996-06-07 Compatible optical pickup device

Publications (2)

Publication Number Publication Date
NL1006255A1 true NL1006255A1 (en) 1997-12-10
NL1006255C2 NL1006255C2 (en) 2000-01-10

Family

ID=19461391

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1006255A NL1006255C2 (en) 1996-06-07 1997-06-06 Optical pick-up device.

Country Status (5)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000009844A (en) * 1998-07-29 2000-02-15 사까이 히로시 Optical pickup
KR100315637B1 (en) * 1999-03-31 2001-12-12 윤종용 Optical system of DVD-ROM capable of play/record CD-RW
KR20030075753A (en) * 2002-03-20 2003-09-26 삼성전자주식회사 Compatible optical pickup
KR100565797B1 (en) 2004-09-20 2006-03-29 삼성전자주식회사 Optical pick-up apparatus for multi recoding/reproducing
JP2006236513A (en) * 2005-02-28 2006-09-07 Hitachi Media Electoronics Co Ltd Optical pickup
JP4821372B2 (en) * 2006-03-03 2011-11-24 富士ゼロックス株式会社 Image reading device
JP5067638B2 (en) 2009-04-13 2012-11-07 Ｎｅｃエンジニアリング株式会社 Image reading device
CN111986705A (en) * 2019-05-21 2020-11-24 上海必修福企业管理有限公司 Window, medium and optical storage method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61188749A (en) * 1985-02-18 1986-08-22 Toshiba Corp Information recording and reproducing device
JPH0581698A (en) * 1991-09-20 1993-04-02 Sanyo Electric Co Ltd Wavelength switching optical pickup
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
JP3058386B2 (en) * 1992-09-10 2000-07-04 株式会社東芝 Optical head device and optical disk device using the same
US5513164A (en) * 1992-09-11 1996-04-30 Kabushiki Kaisha Toshiba Optical recording and reproducing apparatus
JP3309470B2 (en) * 1993-03-10 2002-07-29 松下電器産業株式会社 Optical information recording / reproducing device
KR0171078B1 (en) * 1994-05-13 1999-04-15 배순훈 A recording and reproducing optical pickup system for the optical disk with plural recording layer in one side by generating successively different wavelength laser beam
JPH07311945A (en) * 1994-05-17 1995-11-28 Matsushita Electric Ind Co Ltd Optical recorder/player
JP3240846B2 (en) * 1994-08-12 2001-12-25 松下電器産業株式会社 Light head
US5696750A (en) * 1995-06-05 1997-12-09 Nec Corporation Optical head apparatus for different types of disks

Also Published As

Publication number Publication date
KR980004512A (en) 1998-03-30
CN1170932A (en) 1998-01-21
JPH1079138A (en) 1998-03-24
JP2818408B2 (en) 1998-10-30
CN1093975C (en) 2002-11-06
KR100234261B1 (en) 1999-12-15
SG52983A1 (en) 1998-09-28
NL1006255C2 (en) 2000-01-10

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Legal Events

Date Code Title Description
AD1A A request for search or an international type search has been filed
RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 19991007

PD2B A search report has been drawn up
MM Lapsed because of non-payment of the annual fee

Effective date: 20160701