KR920022230A - Optical head - Google Patents

Optical head Download PDF

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Publication number
KR920022230A
KR920022230A KR1019910008125A KR910008125A KR920022230A KR 920022230 A KR920022230 A KR 920022230A KR 1019910008125 A KR1019910008125 A KR 1019910008125A KR 910008125 A KR910008125 A KR 910008125A KR 920022230 A KR920022230 A KR 920022230A
Authority
KR
South Korea
Prior art keywords
optical
optical head
movable body
objective lens
incident light
Prior art date
Application number
KR1019910008125A
Other languages
Korean (ko)
Other versions
KR930009688B1 (en
Inventor
문종국
Original Assignee
강진구
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 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019910008125A priority Critical patent/KR930009688B1/en
Publication of KR920022230A publication Critical patent/KR920022230A/en
Application granted granted Critical
Publication of KR930009688B1 publication Critical patent/KR930009688B1/en

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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
    • G11B7/08—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

Landscapes

  • Optical Recording Or Reproduction (AREA)

Abstract

내용 없음No content

Description

광학헤드Optical head

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명의 제1실시예를 도식적으로 나타낸 측단면도.2 is a side cross-sectional view schematically showing a first embodiment of the present invention.

제3도는 본 발명의 제2실시예를 도식적으로 나타낸 측단면도.3 is a side cross-sectional view schematically showing a second embodiment of the present invention.

Claims (3)

광정보 매체상에 입사광을 집속주사하고 그로부터의 반사광을 검출하여 그 매체에 수록된 정보를 광학적으로 읽거나 기록하는 광학헤드에 있어서, 상기 입사광을 제공하는 광원과 그 입사광을 집속주사하는 대물렌즈 및 상기 반사광을 검출하는 광검출기를 포함하는 광학계 전체를 가동체에 내장하고, 그 가동체에 전자적으로 상대운동하는 구동코일 또는 자석을 취부하여, 상기 광학계 전체를 상기 대물렌즈의 광촛점 위치를 변위시키기 위한 액튜에이터의 가동부로 구성하여 된 것을 특징으로 하는 광학헤드.An optical head for focusing and scanning incident light onto an optical information medium and detecting or reflecting light from the optical information medium, the optical head comprising: a light source for providing the incident light and an objective lens for focusing the incident light; A whole optical system including a photodetector for detecting reflected light in a movable body, and a drive coil or a magnet for electronically moving relative to the movable body for mounting the whole optical system to displace the optical focus position of the objective lens An optical head comprising a movable part of an actuator. 제1항에 있어서, 상기 가동체가 적어도 2개의 부분으로 나뉘어 상호 결합을 구성되는 것을 특징으로 하는 광학헤드.The optical head of claim 1, wherein the movable body is divided into at least two parts to constitute mutual coupling. 제1항에 또는 제2항중의 어느 한 항에 있어서, 상기 가동체에 내장되는 상기 광학계가 상기 대물렌즈와 상기 광원사이에 배치되는 소정의 홀로그램패턴을 가지는 홀로그램소자를 포함하여 되는 것을 특징으로 하는 광학헤드.The optical system incorporated in the movable body includes a hologram element having a predetermined hologram pattern disposed between the objective lens and the light source. Optical head. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910008125A 1991-05-18 1991-05-18 Optical head KR930009688B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910008125A KR930009688B1 (en) 1991-05-18 1991-05-18 Optical head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910008125A KR930009688B1 (en) 1991-05-18 1991-05-18 Optical head

Publications (2)

Publication Number Publication Date
KR920022230A true KR920022230A (en) 1992-12-19
KR930009688B1 KR930009688B1 (en) 1993-10-08

Family

ID=19314654

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910008125A KR930009688B1 (en) 1991-05-18 1991-05-18 Optical head

Country Status (1)

Country Link
KR (1) KR930009688B1 (en)

Also Published As

Publication number Publication date
KR930009688B1 (en) 1993-10-08

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