KR970017238A - Pickup Actuator - Google Patents

Pickup Actuator Download PDF

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Publication number
KR970017238A
KR970017238A KR1019950030689A KR19950030689A KR970017238A KR 970017238 A KR970017238 A KR 970017238A KR 1019950030689 A KR1019950030689 A KR 1019950030689A KR 19950030689 A KR19950030689 A KR 19950030689A KR 970017238 A KR970017238 A KR 970017238A
Authority
KR
South Korea
Prior art keywords
blade
magnet
actuator
magnetic flux
objective lens
Prior art date
Application number
KR1019950030689A
Other languages
Korean (ko)
Other versions
KR0160726B1 (en
Inventor
신경식
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 KR1019950030689A priority Critical patent/KR0160726B1/en
Publication of KR970017238A publication Critical patent/KR970017238A/en
Application granted granted Critical
Publication of KR0160726B1 publication Critical patent/KR0160726B1/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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0935—Details of the moving parts
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0932—Details of sprung supports

Landscapes

  • Optical Recording Or Reproduction (AREA)

Abstract

본 발명은 픽업용 액튜에이터에 관하여 개시한다.The present invention relates to an actuator for pickup.

종래의 픽업용 액튜에이터는 대물렌즈가 안착된 블레이드 및 마그네트를 따로 만들어 조립하였으나 본 발명은 평면 자화된 마그네트로 직접 블레이드를 구성하고 그 블레이드의 하단 저면에 트래킹 코일을 권선하여 설치하는 동시에 상기 블레이드의 측면 둘레에 포커싱 코일을 권선 설치함으로써 부품수를 줄이고 원가를 절감하는 동시에 그 조립성을 향상시킨 개선된 픽업용 액튜에이터이다.Conventional pickup actuators are assembled by separately manufacturing the blade and the magnet on which the objective lens is seated, but the present invention constitutes the blade directly with a planar magnetized magnet and winds and installs a tracking coil on the bottom of the blade. Improved pick-up actuator that reduces the number of parts, reduces cost, and improves assembly by winding winding focusing coils around.

Description

픽업용 액튜에이터Pickup Actuator

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

제2도는 본 발명에 따른 픽업용 액튜에이터를 나타낸 개략적 사시도이다.2 is a schematic perspective view showing a pickup actuator according to the present invention.

Claims (4)

평면 측방향으로 자화된 마그네트로 구성되며 그 중심에 대물렌즈가 안착되는 블레이드; 상기 블레이드의 하단 저면에 평행하게 권선되어 설치되어 상기 마그네트의 자속과 쇄교하도록 된 트랙킹 코일; 및 상기 블레이드의 측면 둘레를 따라 권선되어 설치되어 상기 마그네트의 자속과 쇄교하도록 된 포커싱 코일을 포함하고, 상기 트랙킹 코일에 전류가 흐르면 상기 마그네트의 자속과 상호 작용하여 상기 블레이드가 좌ㆍ우 측방향으로 이동하고, 상기 포커싱 코일에 전류가 흐르면 상기 마그네트의 자속과 상호 작용하여 상기 블레이트가 상하 이동하는 것을 특징으로 하는 픽업용 액튜에이터.A blade composed of a magnet magnetized in a planar side direction and having an objective lens seated at a center thereof; A tracking coil wound and installed in parallel with a bottom surface of the blade so as to link with the magnetic flux of the magnet; And a focusing coil wound around the side surface of the blade, the focusing coil being configured to bridge with the magnetic flux of the magnet, and when the current flows through the tracking coil, the blade interacts with the magnetic flux of the magnet to move the blade in left and right directions. The actuator for pick-up, characterized in that for moving the, the current flows through the focusing coil to interact with the magnetic flux of the magnet to move the blade up and down. 제1항에 있어서, 상기 대물렌즈를 마그네트에 결합시키기 위한 결합부재를 더 포함하는 픽업용 액튜에이터.The pickup actuator of claim 1, further comprising a coupling member for coupling the objective lens to the magnet. 제2항에 있어서, 상기 결합부재는 서스펜션으로 홀더에 연결되어 블레이드가 지지되는 것을 특징으로 하는 픽업용 액튜에이터.The actuator of claim 2, wherein the coupling member is connected to the holder by suspension to support the blade. 제1항에 있어서, 상기 마그네트는 본드자석인 것을 특징으로 하는 픽업용 액튜에이터.The pickup actuator of claim 1, wherein the magnet is a bond magnet. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950030689A 1995-09-19 1995-09-19 Pick-up actuator KR0160726B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950030689A KR0160726B1 (en) 1995-09-19 1995-09-19 Pick-up actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950030689A KR0160726B1 (en) 1995-09-19 1995-09-19 Pick-up actuator

Publications (2)

Publication Number Publication Date
KR970017238A true KR970017238A (en) 1997-04-30
KR0160726B1 KR0160726B1 (en) 1999-01-15

Family

ID=19427207

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950030689A KR0160726B1 (en) 1995-09-19 1995-09-19 Pick-up actuator

Country Status (1)

Country Link
KR (1) KR0160726B1 (en)

Also Published As

Publication number Publication date
KR0160726B1 (en) 1999-01-15

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