KR930004959A - Objective lens driving device for optical pickup - Google Patents

Objective lens driving device for optical pickup Download PDF

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Publication number
KR930004959A
KR930004959A KR1019910014538A KR910014538A KR930004959A KR 930004959 A KR930004959 A KR 930004959A KR 1019910014538 A KR1019910014538 A KR 1019910014538A KR 910014538 A KR910014538 A KR 910014538A KR 930004959 A KR930004959 A KR 930004959A
Authority
KR
South Korea
Prior art keywords
magnet
optical pickup
ring
objective lens
shaft
Prior art date
Application number
KR1019910014538A
Other languages
Korean (ko)
Other versions
KR930009221B1 (en
Inventor
한창수
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 KR1019910014538A priority Critical patent/KR930009221B1/en
Publication of KR930004959A publication Critical patent/KR930004959A/en
Application granted granted Critical
Publication of KR930009221B1 publication Critical patent/KR930009221B1/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 없음.No content.

Description

광픽업의 대물렌즈 구동장치Objective lens driving device for optical pickup

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

제1도는 종래 광픽업의 대물렌즈 구동장치를 도시한 분해 사시도,1 is an exploded perspective view showing an objective lens driving apparatus of a conventional optical pickup;

제2도는 본 발명에 따른 광픽업의 대물렌즈 구동장치를 도시한 분해 사시도,2 is an exploded perspective view showing an objective lens driving device for an optical pickup according to the present invention;

제3도는 본 발명에 따른 광픽업의 대물렌즈 구동장치에 있어 렌즈홀더와 지지축을 발췌하여 확대 도시한 평면도.3 is an enlarged plan view showing an extract of the lens holder and the support shaft in the objective lens driving apparatus of the optical pickup according to the present invention.

Claims (2)

지지축을 갖는 지지대와, 대물렌즈와 장착되며 상기 지지대의 지지축에 결합되도록 축구멍이 형성된 렌즈홀더를 구비하는 광픽업의 대물렌즈 구동장치에 있어서, 상기 지지축(4a)에 그 축방향으로 따라 링형자석(4b)을 부착하고 상기 링형자석(4b)이 부착된 지지축(4a)이 삽입되어지는 렌즈홀더(1)의 축삽입구멍(1b)에 상기 링형자석(4b)이 삽입되는 렌즈홀더(1)의 축삽입구멍(1b)에 상기 링형자석(4b)이 삽입되는 자석부쉬(1c)상호간에 전자적인 척력 또는 인력에 의한 일정갭(3)이 유지되도록 구성하여 된 것을 특징으로 하는 광픽업의 대물렌즈 구동장치.An objective pickup driving apparatus for an optical pickup having a support holder having a support shaft and a lens holder mounted with the objective lens and formed with a shaft hole to be coupled to the support shaft of the support, in the axial direction along the support shaft 4a. A lens holder into which the ring magnet 4b is inserted into the shaft insertion hole 1b of the lens holder 1 into which the ring magnet 4b is attached and the support shaft 4a to which the ring magnet 4b is attached is inserted. Light, characterized in that the constant gap (3) by the electromagnetic repulsive force or attraction force is maintained between the magnet bushing (1c) in which the ring-shaped magnet (4b) is inserted into the shaft insertion hole (1b) of (1) Pick-up objective drive device. 제1항에 있어서, 상기 링형자석(4b)과 상기 자석부쉬(c) 상호간의 대향자극면이 N·S극을 교호 배치하여 구성되는 것을 특징으로 하는 광픽업의 대물렌즈 구동장치.An optical pickup objective lens driving apparatus according to claim 1, wherein an opposing magnetic pole surface between the ring-shaped magnet (4b) and the magnet bush (c) is configured by alternately arranging N-S poles. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019910014538A 1991-08-22 1991-08-22 Operating device of optical pick-up lenz KR930009221B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910014538A KR930009221B1 (en) 1991-08-22 1991-08-22 Operating device of optical pick-up lenz

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910014538A KR930009221B1 (en) 1991-08-22 1991-08-22 Operating device of optical pick-up lenz

Publications (2)

Publication Number Publication Date
KR930004959A true KR930004959A (en) 1993-03-23
KR930009221B1 KR930009221B1 (en) 1993-09-24

Family

ID=19318938

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910014538A KR930009221B1 (en) 1991-08-22 1991-08-22 Operating device of optical pick-up lenz

Country Status (1)

Country Link
KR (1) KR930009221B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100390807B1 (en) * 1998-12-28 2003-11-15 주식회사 대우일렉트로닉스 Optical Pickup Actuator with Magnetic Axis

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100390807B1 (en) * 1998-12-28 2003-11-15 주식회사 대우일렉트로닉스 Optical Pickup Actuator with Magnetic Axis

Also Published As

Publication number Publication date
KR930009221B1 (en) 1993-09-24

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