NL1004954C2 - Optisch opneemapparaat. - Google Patents

Optisch opneemapparaat. Download PDF

Info

Publication number
NL1004954C2
NL1004954C2 NL1004954A NL1004954A NL1004954C2 NL 1004954 C2 NL1004954 C2 NL 1004954C2 NL 1004954 A NL1004954 A NL 1004954A NL 1004954 A NL1004954 A NL 1004954A NL 1004954 C2 NL1004954 C2 NL 1004954C2
Authority
NL
Netherlands
Prior art keywords
light
disk
region
objective lens
lens
Prior art date
Application number
NL1004954A
Other languages
English (en)
Dutch (nl)
Other versions
NL1004954A1 (nl
Inventor
Chul-Woo Lee
Jang-Hoon Yoo
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
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of NL1004954A1 publication Critical patent/NL1004954A1/xx
Application granted granted Critical
Publication of NL1004954C2 publication Critical patent/NL1004954C2/nl

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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • 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
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1367—Stepped phase plates
    • 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
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • 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
    • 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
    • G11B7/1372—Lenses
    • G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Lenses (AREA)
  • Glass Compositions (AREA)
  • Holo Graphy (AREA)
NL1004954A 1996-02-14 1997-01-08 Optisch opneemapparaat. NL1004954C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR19960003603 1996-02-14
KR1019960003603A KR100238266B1 (ko) 1996-02-14 1996-02-14 광학장치

Publications (2)

Publication Number Publication Date
NL1004954A1 NL1004954A1 (nl) 1997-08-15
NL1004954C2 true NL1004954C2 (nl) 1998-12-10

Family

ID=19451249

Family Applications (2)

Application Number Title Priority Date Filing Date
NL1004954A NL1004954C2 (nl) 1996-02-14 1997-01-08 Optisch opneemapparaat.
NL1009796A NL1009796C2 (nl) 1996-02-14 1998-08-03 Optisch opneemapparaat.

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL1009796A NL1009796C2 (nl) 1996-02-14 1998-08-03 Optisch opneemapparaat.

Country Status (8)

Country Link
US (2) US5909424A (ja)
JP (7) JP3068480B2 (ja)
KR (1) KR100238266B1 (ja)
DE (1) DE19700504C2 (ja)
FR (1) FR2744831B1 (ja)
GB (1) GB2310308B (ja)
IT (1) IT1289866B1 (ja)
NL (2) NL1004954C2 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6259668B1 (en) 1996-02-14 2001-07-10 Samsung Electronics Co., Ltd. Recording/reproducing apparatus having an optical pickup device to read from and record information to disks of different thicknesses
US6304540B1 (en) 1998-03-30 2001-10-16 Samsung Electronics Co., Ltd. Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens
KR100514323B1 (ko) * 1997-12-05 2005-12-08 삼성전자주식회사 복수의광디스크를호환하는대물렌즈를구비한광픽업
KR100354534B1 (ko) 1998-03-17 2002-12-11 삼성전자 주식회사 협트랙광디스크를위한광픽업
JP4535212B2 (ja) * 1998-09-18 2010-09-01 コニカミノルタホールディングス株式会社 光情報記録媒体の記録再生用対物レンズ
EP1223575B1 (en) 1999-10-06 2008-05-07 Matsushita Electric Industrial Co., Ltd. Lens, optical head, optical information recording/reproducing apparatus, and optical information recording/recorded medium recording/reproducing method
TW490589B (en) * 2000-05-24 2002-06-11 Konishiroku Photo Ind Optical pickup apparatus, objective lens, apparatus for reproducing and/or recording optical information recording medium
JP2002092934A (ja) 2000-07-08 2002-03-29 Samsung Electronics Co Ltd 単一光源を採用した互換型光ピックアップ装置
KR100754158B1 (ko) 2000-12-08 2007-09-03 삼성전자주식회사 구면수차 검출 및/또는 보정 가능한 광픽업장치
JP2003322793A (ja) * 2002-05-08 2003-11-14 Pentax Corp 光ヘッド用対物レンズ
KR20030093683A (ko) * 2002-06-05 2003-12-11 삼성전자주식회사 호환형 광픽업
KR100509493B1 (ko) * 2003-02-26 2005-08-22 삼성전자주식회사 호환형 광픽업
KR101312633B1 (ko) * 2007-04-04 2013-10-04 삼성전자주식회사 홀로그램소자, 이를 적용한 호환형 광픽업 및광정보저장매체 시스템
JP5393020B2 (ja) * 2007-04-26 2014-01-22 株式会社リコー 光ピックアップおよび光情報処理装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5349592A (en) * 1992-02-27 1994-09-20 Kabushiki Kaisha Toshiba Super-resolution optical element for use in image forming apparatus
JPH07302437A (ja) * 1994-03-11 1995-11-14 Toshiba Corp 光学ヘッド装置およびレンズ
EP0731458A1 (en) * 1995-03-10 1996-09-11 Sony Corporation Objective lens, optical head device and optical disc reproducing apparatus
EP0776004A2 (en) * 1995-11-02 1997-05-28 Konica Corporation Optical system for recording and reproducing an optical recording medium
EP0785543A2 (en) * 1996-01-19 1997-07-23 Nec Corporation Condenser lens for optical disks
NL1003177C2 (nl) * 1995-12-01 1997-07-25 Lg Electronics Inc Objectieflens.

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6273429A (ja) * 1985-09-26 1987-04-04 Toshiba Corp 光学式ピツクアツプの位置検出装置
FR2642530A1 (fr) * 1989-01-30 1990-08-03 Seiko Epson Corp Mecanisme de focalisation et tete optique
US5235581A (en) * 1990-08-09 1993-08-10 Matsushita Electric Industrial Co., Ltd. Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesses
JP3266627B2 (ja) * 1991-10-11 2002-03-18 株式会社日立製作所 情報再生装置
JP3200171B2 (ja) * 1992-06-10 2001-08-20 パイオニア株式会社 光ディスクプレーヤ
JP2532818B2 (ja) * 1993-02-01 1996-09-11 松下電器産業株式会社 対物レンズおよび光ヘッド装置
WO1997008691A1 (en) * 1995-08-30 1997-03-06 Samsung Electronics Co., Ltd. Lens device and an optical pickup apparatus using the lens device
KR100234257B1 (ko) * 1995-08-30 1999-12-15 윤종용 대물렌즈 장치 및 안정된 포커스 서보 신호를 얻는방법 및 이를 적용한 광픽업 장치 및 두께가 다른 디스크를 판별하는 방법 및 두께가 다른 디스크로부터 정보를 재생하고 기록하는 방법
US5587981A (en) * 1995-09-05 1996-12-24 Kamatani; Yasuo Multi-standard optical disk reading method having distinction process
US5724335A (en) * 1995-10-25 1998-03-03 Konica Corporation Objective lens for recording and reproducing for use in an optical information recording medium
KR100269105B1 (ko) * 1995-12-07 2000-10-16 윤종용 두께가다른디스크의호환이가능한기록재생용광픽업
JPH09320136A (ja) * 1996-03-26 1997-12-12 Sanyo Electric Co Ltd 情報記録再生装置
US5659533A (en) * 1996-07-23 1997-08-19 Sampo Corporation Method of using a single pick-up head to read and store data on discs of different thicknesses and structure of a pick-up head apparatus therefor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5349592A (en) * 1992-02-27 1994-09-20 Kabushiki Kaisha Toshiba Super-resolution optical element for use in image forming apparatus
JPH07302437A (ja) * 1994-03-11 1995-11-14 Toshiba Corp 光学ヘッド装置およびレンズ
EP0731458A1 (en) * 1995-03-10 1996-09-11 Sony Corporation Objective lens, optical head device and optical disc reproducing apparatus
EP0776004A2 (en) * 1995-11-02 1997-05-28 Konica Corporation Optical system for recording and reproducing an optical recording medium
NL1003177C2 (nl) * 1995-12-01 1997-07-25 Lg Electronics Inc Objectieflens.
EP0785543A2 (en) * 1996-01-19 1997-07-23 Nec Corporation Condenser lens for optical disks

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 096, no. 003 29 March 1996 (1996-03-29) *

Also Published As

Publication number Publication date
GB2310308B (en) 1998-02-04
DE19700504A1 (de) 1997-08-21
ITMI970014A1 (it) 1998-07-08
KR100238266B1 (ko) 2000-02-01
FR2744831A1 (fr) 1997-08-14
US6147955A (en) 2000-11-14
IT1289866B1 (it) 1998-10-19
JP2003178483A (ja) 2003-06-27
GB9700072D0 (en) 1997-02-19
US5909424A (en) 1999-06-01
JP2001236687A (ja) 2001-08-31
DE19700504C2 (de) 2002-05-16
JP2003050347A (ja) 2003-02-21
JP2003051135A (ja) 2003-02-21
JP3068480B2 (ja) 2000-07-24
NL1009796C2 (nl) 1999-05-19
NL1009796A1 (nl) 1998-09-01
JPH09219035A (ja) 1997-08-19
FR2744831B1 (fr) 1999-05-07
NL1004954A1 (nl) 1997-08-15
GB2310308A (en) 1997-08-20
JPH11339298A (ja) 1999-12-10
KR970063070A (ko) 1997-09-12
JP2001236686A (ja) 2001-08-31

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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: 19980401

PD2B A search report has been drawn up
MK Patent expired because of reaching the maximum lifetime of a patent

Effective date: 20170107