KR930003870B1 - 광헤드의 트랙킹장치 - Google Patents

광헤드의 트랙킹장치 Download PDF

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Publication number
KR930003870B1
KR930003870B1 KR1019900004823A KR900004823A KR930003870B1 KR 930003870 B1 KR930003870 B1 KR 930003870B1 KR 1019900004823 A KR1019900004823 A KR 1019900004823A KR 900004823 A KR900004823 A KR 900004823A KR 930003870 B1 KR930003870 B1 KR 930003870B1
Authority
KR
South Korea
Prior art keywords
tracking
optical head
objective lens
light
signal
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
KR1019900004823A
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English (en)
Korean (ko)
Other versions
KR910018992A (ko
Inventor
이흥백
Original Assignee
삼성전자 주식회사
강진구
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 삼성전자 주식회사, 강진구 filed Critical 삼성전자 주식회사
Priority to KR1019900004823A priority Critical patent/KR930003870B1/ko
Priority to DE4037732A priority patent/DE4037732A1/de
Publication of KR910018992A publication Critical patent/KR910018992A/ko
Application granted granted Critical
Publication of KR930003870B1 publication Critical patent/KR930003870B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G11B7/13—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
    • 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
    • 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
    • G11B7/0901—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 track following only

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
KR1019900004823A 1990-04-09 1990-04-09 광헤드의 트랙킹장치 Expired - Fee Related KR930003870B1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019900004823A KR930003870B1 (ko) 1990-04-09 1990-04-09 광헤드의 트랙킹장치
DE4037732A DE4037732A1 (de) 1990-04-09 1990-11-27 Spurlaufvorrichtung fuer einen optischen kopf

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900004823A KR930003870B1 (ko) 1990-04-09 1990-04-09 광헤드의 트랙킹장치

Publications (2)

Publication Number Publication Date
KR910018992A KR910018992A (ko) 1991-11-30
KR930003870B1 true KR930003870B1 (ko) 1993-05-14

Family

ID=19297795

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900004823A Expired - Fee Related KR930003870B1 (ko) 1990-04-09 1990-04-09 광헤드의 트랙킹장치

Country Status (2)

Country Link
KR (1) KR930003870B1 (https=)
DE (1) DE4037732A1 (https=)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL186205C (nl) * 1977-12-17 1990-10-01 Victor Company Of Japan Inrichting voor het optisch registreren van signalen op een registratiemedium.
JP2557896B2 (ja) * 1987-07-31 1996-11-27 株式会社東芝 ディスク装置

Also Published As

Publication number Publication date
DE4037732C2 (https=) 1992-02-20
DE4037732A1 (de) 1991-10-17
KR910018992A (ko) 1991-11-30

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