KR19980025759A - 광픽업장치 - Google Patents

광픽업장치 Download PDF

Info

Publication number
KR19980025759A
KR19980025759A KR1019960044000A KR19960044000A KR19980025759A KR 19980025759 A KR19980025759 A KR 19980025759A KR 1019960044000 A KR1019960044000 A KR 1019960044000A KR 19960044000 A KR19960044000 A KR 19960044000A KR 19980025759 A KR19980025759 A KR 19980025759A
Authority
KR
South Korea
Prior art keywords
light
optical
optical path
recording medium
incident
Prior art date
Application number
KR1019960044000A
Other languages
English (en)
Korean (ko)
Inventor
김주엽
Original Assignee
김광호
삼성전자 주식회사
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 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019960044000A priority Critical patent/KR19980025759A/ko
Priority to DE19741784A priority patent/DE19741784A1/de
Priority to JP9263934A priority patent/JPH10143909A/ja
Publication of KR19980025759A publication Critical patent/KR19980025759A/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
    • G11B7/125—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
    • 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
    • G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
    • 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
    • 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)
KR1019960044000A 1996-10-04 1996-10-04 광픽업장치 KR19980025759A (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019960044000A KR19980025759A (ko) 1996-10-04 1996-10-04 광픽업장치
DE19741784A DE19741784A1 (de) 1996-10-04 1997-09-22 Optische Abtastvorrichtung
JP9263934A JPH10143909A (ja) 1996-10-04 1997-09-29 光ピックアップ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960044000A KR19980025759A (ko) 1996-10-04 1996-10-04 광픽업장치

Publications (1)

Publication Number Publication Date
KR19980025759A true KR19980025759A (ko) 1998-07-15

Family

ID=19476254

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960044000A KR19980025759A (ko) 1996-10-04 1996-10-04 광픽업장치

Country Status (3)

Country Link
JP (1) JPH10143909A (ja)
KR (1) KR19980025759A (ja)
DE (1) DE19741784A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030097331A (ko) * 2002-06-20 2003-12-31 삼성전자주식회사 광픽업
KR100472475B1 (ko) * 2002-08-31 2005-03-10 삼성전자주식회사 비선형 물질로 형성된 대물렌즈 및 이를 채용한 광픽업

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8702245A (nl) * 1987-09-21 1989-04-17 Philips Nv Inrichting voor het met optische straling aftasten van een stralingsreflekterend informatievlak.
US5325348A (en) * 1991-06-01 1994-06-28 Ricoh Company, Ltd. Wavelength converting element and system for recording and reproducing optical information
US5583882A (en) * 1994-05-16 1996-12-10 Hitachi Metals, Ltd. Laser apparatus and apparatus employing laser

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030097331A (ko) * 2002-06-20 2003-12-31 삼성전자주식회사 광픽업
KR100472475B1 (ko) * 2002-08-31 2005-03-10 삼성전자주식회사 비선형 물질로 형성된 대물렌즈 및 이를 채용한 광픽업

Also Published As

Publication number Publication date
JPH10143909A (ja) 1998-05-29
DE19741784A1 (de) 1998-04-09

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
WITB Written withdrawal of application