KR100197942B1 - 듀얼 포커스 광 픽업장치 - Google Patents

듀얼 포커스 광 픽업장치 Download PDF

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Publication number
KR100197942B1
KR100197942B1 KR1019960077271A KR19960077271A KR100197942B1 KR 100197942 B1 KR100197942 B1 KR 100197942B1 KR 1019960077271 A KR1019960077271 A KR 1019960077271A KR 19960077271 A KR19960077271 A KR 19960077271A KR 100197942 B1 KR100197942 B1 KR 100197942B1
Authority
KR
South Korea
Prior art keywords
light
optical pickup
prism
cubic
lens
Prior art date
Application number
KR1019960077271A
Other languages
English (en)
Korean (ko)
Other versions
KR19980057965A (ko
Inventor
이근종
Original Assignee
전주범
대우전자주식회사
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 전주범, 대우전자주식회사 filed Critical 전주범
Priority to KR1019960077271A priority Critical patent/KR100197942B1/ko
Priority to JP9350678A priority patent/JPH10199019A/ja
Priority to NL1007905A priority patent/NL1007905C2/nl
Priority to FR9716637A priority patent/FR2757990B1/fr
Publication of KR19980057965A publication Critical patent/KR19980057965A/ko
Application granted granted Critical
Publication of KR100197942B1 publication Critical patent/KR100197942B1/ko

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
    • G11B7/123—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
    • G11B7/08—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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127—Lasers; Multiple laser arrays
    • 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
    • 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)
  • Optical Recording Or Reproduction (AREA)
KR1019960077271A 1996-12-30 1996-12-30 듀얼 포커스 광 픽업장치 KR100197942B1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019960077271A KR100197942B1 (ko) 1996-12-30 1996-12-30 듀얼 포커스 광 픽업장치
JP9350678A JPH10199019A (ja) 1996-12-30 1997-12-19 デュアルフォーカス光ピックアップ装置
NL1007905A NL1007905C2 (nl) 1996-12-30 1997-12-24 Optische dubbelfocus-opneeminrichting.
FR9716637A FR2757990B1 (fr) 1996-12-30 1997-12-29 Appareil d'enregistrement-lecture optique a double foyer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960077271A KR100197942B1 (ko) 1996-12-30 1996-12-30 듀얼 포커스 광 픽업장치

Publications (2)

Publication Number Publication Date
KR19980057965A KR19980057965A (ko) 1998-09-25
KR100197942B1 true KR100197942B1 (ko) 1999-06-15

Family

ID=19492501

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960077271A KR100197942B1 (ko) 1996-12-30 1996-12-30 듀얼 포커스 광 픽업장치

Country Status (4)

Country Link
JP (1) JPH10199019A (fr)
KR (1) KR100197942B1 (fr)
FR (1) FR2757990B1 (fr)
NL (1) NL1007905C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100464426B1 (ko) * 2002-08-08 2005-01-03 삼성전자주식회사 이형 렌즈 및 이를 채용한 광픽업

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004510281A (ja) * 2000-09-25 2004-04-02 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 光走査デバイス
KR100421457B1 (ko) * 2001-07-27 2004-03-09 삼성전기주식회사 광 픽업장치
KR20030067165A (ko) * 2002-02-07 2003-08-14 삼성전기주식회사 광 픽업장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5671207A (en) * 1995-02-23 1997-09-23 Lg Electronics, Inc. Optical pickup apparatus for performing multi-focusing
JP2993391B2 (ja) * 1995-03-03 1999-12-20 日本ビクター株式会社 光ピックアップ
JP3471960B2 (ja) * 1995-03-15 2003-12-02 パイオニア株式会社 ピックアップ装置
DE69635559T2 (de) * 1995-06-05 2006-06-14 Nec Corp Optische Wiedergabekopfvorrichtung für verschiedene Plattentypen
KR970063064A (ko) * 1995-12-22 1997-09-12 배순훈 듀얼 포커스 광 픽-업장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100464426B1 (ko) * 2002-08-08 2005-01-03 삼성전자주식회사 이형 렌즈 및 이를 채용한 광픽업

Also Published As

Publication number Publication date
KR19980057965A (ko) 1998-09-25
JPH10199019A (ja) 1998-07-31
FR2757990A1 (fr) 1998-07-03
FR2757990B1 (fr) 1999-09-10
NL1007905C2 (nl) 1998-07-02

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