NL1005270C2 - Werkwijze voor het onderscheiden van schijven met verschillende dikten en optische opneeminrichting voor het uitvoeren van deze werkwijze. - Google Patents

Werkwijze voor het onderscheiden van schijven met verschillende dikten en optische opneeminrichting voor het uitvoeren van deze werkwijze. Download PDF

Info

Publication number
NL1005270C2
NL1005270C2 NL1005270A NL1005270A NL1005270C2 NL 1005270 C2 NL1005270 C2 NL 1005270C2 NL 1005270 A NL1005270 A NL 1005270A NL 1005270 A NL1005270 A NL 1005270A NL 1005270 C2 NL1005270 C2 NL 1005270C2
Authority
NL
Netherlands
Prior art keywords
focal
objective lens
signal
disc
light
Prior art date
Application number
NL1005270A
Other languages
English (en)
Dutch (nl)
Other versions
NL1005270A1 (nl
Inventor
Chul-Woo Lee
Jang-Hoon Yoo
Chong-Sam Chung
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 NL1005270A1 publication Critical patent/NL1005270A1/xx
Application granted granted Critical
Publication of NL1005270C2 publication Critical patent/NL1005270C2/nl

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • 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
    • G11B7/13—Optical detectors therefor
    • G11B7/131—Arrangement of detectors in a multiple array
    • 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
    • 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
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
NL1005270A 1996-02-14 1997-02-13 Werkwijze voor het onderscheiden van schijven met verschillende dikten en optische opneeminrichting voor het uitvoeren van deze werkwijze. NL1005270C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR19960003606 1996-02-14
KR1019960003606A KR100189899B1 (ko) 1996-02-14 1996-02-14 두께가 다른 광 디스크의 판별 방법 및 이를 적용한 광학장치

Publications (2)

Publication Number Publication Date
NL1005270A1 NL1005270A1 (nl) 1997-08-15
NL1005270C2 true NL1005270C2 (nl) 1998-01-07

Family

ID=19451251

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1005270A NL1005270C2 (nl) 1996-02-14 1997-02-13 Werkwijze voor het onderscheiden van schijven met verschillende dikten en optische opneeminrichting voor het uitvoeren van deze werkwijze.

Country Status (8)

Country Link
US (1) US6016293A (it)
JP (1) JP2904759B2 (it)
KR (1) KR100189899B1 (it)
DE (1) DE19705777C2 (it)
FR (1) FR2744830B1 (it)
GB (1) GB2310311B (it)
IT (1) IT1290302B1 (it)
NL (1) NL1005270C2 (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3439300B2 (ja) * 1996-06-11 2003-08-25 パイオニア株式会社 情報記録媒体判別装置
JP2000048374A (ja) * 1998-07-30 2000-02-18 Matsushita Electric Ind Co Ltd ディスク記録再生装置
JP4250794B2 (ja) * 1998-10-28 2009-04-08 ソニー株式会社 距離変化検知方法及び装置、フォーカス制御方法及び装置、並びに全反射光検出方法
US6865743B2 (en) * 1999-02-24 2005-03-08 Matsushita Electric Industrial Co., Ltd. Optical head and method of manufacturing the same
US6339565B1 (en) * 1999-03-31 2002-01-15 Lsi Logic Corporation Non-linear center-error generator for DVD servo control
US6728179B1 (en) * 1999-05-10 2004-04-27 Sharp Kabushiki Kaisha Apparatus and method for optical recording/reproducing information including electrical spherical-aberration correction mechanism having low power consumption
JP4759903B2 (ja) * 2000-01-21 2011-08-31 ソニー株式会社 光ディスク判別方法と光ディスク再生方法および光ディスク装置
EP1340225A1 (en) * 2000-11-09 2003-09-03 Koninklijke Philips Electronics N.V. Optical head for scanning a record carrier.
KR100669984B1 (ko) * 2005-01-24 2007-01-19 삼성전자주식회사 광픽업장치

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3313784A1 (de) * 1982-04-15 1983-10-20 Olympus Optical Co., Ltd., Tokyo Vorrichtung mit optischer kopfanordnung
US4695158A (en) * 1984-03-02 1987-09-22 Pioneer Electronic Corporation Focus error detector
JPH0495224A (ja) * 1990-08-09 1992-03-27 Matsushita Electric Ind Co Ltd 光学的情報記録／再生装置およびカートリッジ
EP0492844A2 (en) * 1990-12-19 1992-07-01 Hitachi, Ltd. Method and apparatus for forming a light beam
JPH0554406A (ja) * 1991-08-21 1993-03-05 Matsushita Electric Ind Co Ltd 光デイスク装置
JPH06295467A (ja) * 1993-04-01 1994-10-21 Nippon Columbia Co Ltd 光ピックアップ装置
WO1996028816A2 (en) * 1995-03-15 1996-09-19 Philips Electronics N.V. Device for optically scanning a recording medium

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5694528A (en) * 1979-12-28 1981-07-31 Matsushita Electric Ind Co Ltd Drawing-in method of focus servo
JPS63109366U (it) * 1986-12-27 1988-07-14
US5255262A (en) * 1991-06-04 1993-10-19 International Business Machines Corporation Multiple data surface optical data storage system with transmissive data surfaces
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
JPH0836827A (ja) * 1994-07-25 1996-02-06 Victor Co Of Japan Ltd 光ディスク再生装置における光ディスクの判別装置
KR100207648B1 (ko) * 1994-11-29 1999-07-15 윤종용 광픽업장치 및 그 광출력 제어방법
DE69620495T2 (de) * 1995-02-02 2002-10-10 Pioneer Electronic Corp., Tokio/Tokyo Optisches Abtastgerät und Identifizierungsgerät zum Identifizieren des Typs eines optischen Aufzeichnungsmediums
JPH08249801A (ja) * 1995-03-10 1996-09-27 Pioneer Electron Corp 反射型光ディスクプレーヤにおけるディスク判別方法
JP3570791B2 (ja) * 1995-03-28 2004-09-29 パイオニア株式会社 デジタルデータ記録異種媒体情報再生装置
KR960038847A (ko) * 1995-04-10 1996-11-21 김광호 다층 구조를 가진 디스크의 검출방법
JPH08287588A (ja) * 1995-04-20 1996-11-01 Matsushita Electric Ind Co Ltd ディスク判別装置
CN1120477C (zh) * 1995-07-31 2003-09-03 皇家菲利浦电子有限公司 用于多层记录载体并包含聚焦控制电路的光扫描装置
JP3476989B2 (ja) * 1995-08-04 2003-12-10 パイオニア株式会社 光ピックアップ
KR0154736B1 (ko) * 1995-08-07 1998-12-15 김광호 멀티디스크 재생 가능한 광디스크 기록재생 장치에서 리드 인 타임 최소화 방법
KR0183172B1 (ko) * 1995-09-30 1999-04-15 김광호 복층 디스크 포커싱 장치 및 방법
JPH09102129A (ja) * 1995-10-05 1997-04-15 Pioneer Electron Corp フォーカスサーボ制御方法及び装置
JPH09120623A (ja) * 1995-10-24 1997-05-06 Sony Corp 光ディスクのディスク厚及び反り検出装置
KR0176569B1 (ko) * 1996-01-29 1999-04-15 김광호 광디스크 시스템에 있어서 두께가 다른 디스크간의 자동판별방법 및 장치

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3313784A1 (de) * 1982-04-15 1983-10-20 Olympus Optical Co., Ltd., Tokyo Vorrichtung mit optischer kopfanordnung
US4695158A (en) * 1984-03-02 1987-09-22 Pioneer Electronic Corporation Focus error detector
JPH0495224A (ja) * 1990-08-09 1992-03-27 Matsushita Electric Ind Co Ltd 光学的情報記録／再生装置およびカートリッジ
EP0492844A2 (en) * 1990-12-19 1992-07-01 Hitachi, Ltd. Method and apparatus for forming a light beam
JPH0554406A (ja) * 1991-08-21 1993-03-05 Matsushita Electric Ind Co Ltd 光デイスク装置
JPH06295467A (ja) * 1993-04-01 1994-10-21 Nippon Columbia Co Ltd 光ピックアップ装置
WO1996028816A2 (en) * 1995-03-15 1996-09-19 Philips Electronics N.V. Device for optically scanning a recording medium

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 016, no. 323 (P - 1386) 15 July 1992 (1992-07-15) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 366 (P - 1571) 9 July 1993 (1993-07-09) *
PATENT ABSTRACTS OF JAPAN vol. 095, no. 001 28 February 1995 (1995-02-28) *

Also Published As

Publication number Publication date
JPH09231671A (ja) 1997-09-05
GB9703110D0 (en) 1997-04-02
JP2904759B2 (ja) 1999-06-14
GB2310311A (en) 1997-08-20
ITMI970285A1 (it) 1998-08-12
NL1005270A1 (nl) 1997-08-15
DE19705777C2 (de) 2001-02-08
KR100189899B1 (ko) 1999-06-01
KR970063172A (ko) 1997-09-12
FR2744830A1 (fr) 1997-08-14
US6016293A (en) 2000-01-18
FR2744830B1 (fr) 1999-01-08
DE19705777A1 (de) 1997-08-21
IT1290302B1 (it) 1998-10-22
GB2310311B (en) 1998-03-04

Similar Documents

Publication Publication Date Title
US6934226B2 (en) Optical disk apparatus
NL1005271C2 (nl) Objectieflensinrichting, optische pickup waarin een objectieflensinrichting is opgenomen, en werkwijze voor het vervaardigen van een objectieflens.
JPH06333255A (ja) 光ヘッド装置
NL1005270C2 (nl) Werkwijze voor het onderscheiden van schijven met verschillende dikten en optische opneeminrichting voor het uitvoeren van deze werkwijze.
US5808999A (en) Optical pickup apparatus and objective lens for optical pickup apparatus
NL1004964C2 (nl) Optische pick-upinrichting.
JPH0917023A (ja) 情報ピックアップ装置及び光ディスク装置
US5907530A (en) Optical pickup device
US5802037A (en) Optical detector with two detecting regions for reproducing and recording information on two kinds of disks having different thicknesses
EP0848380A2 (en) Light Pickup
EP1536418A2 (en) Optical pickup
JP2000011402A (ja) 光学ヘッド、記録及び／又は再生装置並びに厚み検出方法
EP1488416A1 (en) Optical pickup apparatus capable of compensating thickness deviation of optical recording media
KR20000065739A (ko) 마이크로-미러 소자 및 그를 이용한 광 픽업 장치
EP1667132A1 (en) Optical recording medium tilt compensating apparatus and method, and optical information processing apparatus
JP4274285B2 (ja) 情報ピックアップ装置及び光ディスク装置
JP2005071544A (ja) 球面収差補正板、それを用いた光ピックアップ装置、および球面収差補正方法
JP3645824B2 (ja) 情報記録及び／または再生装置
KR100430270B1 (ko) 광픽업 장치에 있어서의 틸트검출 방법
JPH10255318A (ja) 集積型光学ユニット
JP2002055024A (ja) 収差検出方法及び光ピックアップ装置
JP4185553B2 (ja) 光ディスク装置
US4868821A (en) Optical pickup which includes a single objective lens having magnification equal to or greater than 3 and equal to or smaller than 5
JPH10186224A (ja) 同倍率可変焦点を有するレンズ装置及びこれを用いた光ピックアップ装置
JPH1027364A (ja) 光ピックアップ装置、この光ピックアップ装置を備えた光学再生装置及び対物レンズ制御方法

Legal Events

Date Code Title Description
AD1A A request for search or an international type search has been filed
PD2B A search report has been drawn up
MK Patent expired because of reaching the maximum lifetime of a patent

Effective date: 20170212