KR970029411A - Tracking and focusing adjustment coil correction device of optical pickup actuator - Google Patents

Tracking and focusing adjustment coil correction device of optical pickup actuator Download PDF

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Publication number
KR970029411A
KR970029411A KR1019950045200A KR19950045200A KR970029411A KR 970029411 A KR970029411 A KR 970029411A KR 1019950045200 A KR1019950045200 A KR 1019950045200A KR 19950045200 A KR19950045200 A KR 19950045200A KR 970029411 A KR970029411 A KR 970029411A
Authority
KR
South Korea
Prior art keywords
tracking
optical pickup
coil
pickup actuator
focusing adjustment
Prior art date
Application number
KR1019950045200A
Other languages
Korean (ko)
Other versions
KR0158856B1 (en
Inventor
이관철
Original Assignee
배순훈
대우전자 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.)
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Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019950045200A priority Critical patent/KR0158856B1/en
Publication of KR970029411A publication Critical patent/KR970029411A/en
Application granted granted Critical
Publication of KR0158856B1 publication Critical patent/KR0158856B1/en

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    • 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
    • G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly
    • 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
    • G11B7/0933—Details of stationary 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
    • G11B7/0935—Details of the moving parts

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)

Abstract

본 발명은 광픽업 액츄에이터의 트랙킹 및 포커싱 조정코일 보정장치에 관한 것으로서, 대물렌즈홀더(110)의 사각홈(113)이 끼워지는 고정돌기(105)가 벽면으로 돌설된 코일 설치대(104)를 갖는 고정부재(100)와, 상기 고정부재(100)가 상부면에 형성된 설치홈(91)내에 안치되고, 복수개의 지지대(80)를 저면에서 지지해주는 받침판(90)과, 상기 받침판(90)에서 상부로 돌설된 지지대(80)상에 고정 설치되어 내부에 방향전환부(51)가 장착된 본체(50)와, 상기 본체(50)의 방향전환부(51) 저면에 장착되어 상,하로 이동하는 상,하 이동축(60)과, 상기 상, 하이동축(60)의 끝단부에 부착되어 상기 고정부재(100)에 장착된 대물렌즈홀더(110)의 포커싱 조정코일(111) 및 트랙킹 조정코일(112)을 눌러주어 보정하는 누름부재(70)와, 상기 누름부재(70)를 상, 하로 동작시키기 위해 상기 방향전환부재(51)의 측면에 돌설된 회전축(40)을 구동시키는 동력전달부재(30)로 구성된 것을 특징으로 하는 광픽업 액츄에이터의 트랙킹 및 포커싱 조정코일 보정장치인바, 광픽업 액츄에이터의 부공진을 해소하도록 해주는 것이다.The present invention relates to an apparatus for compensating tracking and focusing adjustment coils of an optical pickup actuator, wherein the fixing protrusion 105 into which the square groove 113 of the objective lens holder 110 is fitted has a coil mount 104 protruding from the wall surface. Fixing member 100 and the fixing member 100 is placed in the mounting groove 91 formed on the upper surface, the support plate 90 for supporting a plurality of support 80 from the bottom and the support plate 90 It is fixedly installed on the support 80 protruding upwards and mounted on the bottom of the main body 50 and the direction changing part 51 of the main body 50 to move up and down. Focusing adjustment coil 111 and tracking adjustment of the upper and lower moving shafts 60 and the objective lens holders 110 attached to the end portions of the upper and high coaxial shafts 60 and mounted to the fixing member 100. The pressing member 70 for pressing and correcting the coil 112 and the chamber for operating the pressing member 70 up and down. The tracking and focusing adjustment coil correction device of the optical pickup actuator, which comprises a power transmission member 30 for driving the rotating shaft 40 protruding on the side of the switching member 51, thereby eliminating negative resonance of the optical pickup actuator. To do that.

Description

광픽업 액츄에이터의 트랙킹 및 포커싱 조정코일 보정장치Tracking and focusing adjustment coil correction device of optical pickup actuator

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 본 발명에 따른 보정장치의 구성도.2 is a block diagram of a correction device according to the present invention.

제3도는 본 발명에 따른 고정부재의 사시도.3 is a perspective view of a fixing member according to the present invention.

Claims (2)

외주면에 포커싱 조정코일(111) 및 드랙킹 조정코일(112)이 부착 설치된 대물렌즈홀더(110)를 갖는 광픽업 액츄에이터에 있어서, 상기 대물렌즈홀더(110)의 사각홈(113)이 끼워지는 고정돌기(105)가 벽면으로 돌설된 코일 설치대(104)를 갖는 고정부재(100)와, 상기 고정부재(100)가 상부면에 형성된 설치홈(91)내에 안치되고, 복수개의 지지대(80)를 저면에서 지지해주는 받침판(90)과, 상기 받침판(90)에서 상부로 돌설된 지지대(80)상에 고정 설치되어 내부에 방향전환부(51)가 장착된 본체(50)와, 상기 본체(50)의 방향전환부(51) 저면에 장착되어 상, 하로 이동하는 상, 하이동축(60)과, 상기 상, 하이동축(60)의 끝단부에 부착되어 상기 고정부재(100)에 장착된 대물렌즈홀더(110)의 포커싱 조정코일(111) 및 트랙킹 조정코일(112)을 눌러주어 보정하는 누름부재(70)와, 상기 누름부재(70)를 상, 하로 동작시키기 위해 상기 방향전환부재(51)의 측면에 돌설된 회전축(40)을 구동시키는 동력전달부재(30)로 구성된 것을 특징으로 하는 광픽업 액츄에이터의 트래킹 및 포커싱 조정코일 보정장치.In an optical pickup actuator having an objective lens holder 110 having a focusing adjustment coil 111 and a dragging adjustment coil 112 attached to an outer circumferential surface thereof, the square groove 113 of the objective lens holder 110 is fixed. The fixing member 100 having the coil mounting bracket 104 with the protrusion 105 protruding from the wall surface, and the fixing member 100 is placed in the mounting groove 91 formed on the upper surface, and the plurality of supporting members 80 are mounted. The main body 50, which is fixedly installed on the support plate 90 to support from the bottom, the support 80 protruding upward from the support plate 90 is equipped with a turning unit 51 therein, and the main body 50 Mounted on the bottom surface of the redirection unit 51 and moving up and down, the high coaxial shaft 60, and the object attached to the end of the high coaxial shaft 60, mounted on the fixing member 100 A pressing member 70 for pressing and correcting the focusing adjustment coil 111 and the tracking adjustment coil 112 of the lens holder 110, and the pressing member 70. Tracking and focusing adjustment of the optical pickup actuator, characterized in that consisting of a power transmission member 30 for driving the rotary shaft 40 protruding on the side of the direction switching member 51 to operate the ash 70 up and down Coil compensator. 제1항에 있어서, 상기 방향전환부재(51)는 상기 회전축(40)에 결합되고, 회전축(40)에 변속된 회전력을 전달하는 다수개의 기어가 맞물려 있는 변속기어부(35)와, 상기 변속기어부(35)의 어느 한 기어에 회전축(32)이 결합되어서 변속기어부(35)에 회전 동력을 발생시키는 구동모터(31)로 구성된 것을 특징으로 하는 광픽업 액츄에이터의 트랙킹 및 포커싱 조정코일 보정장치.According to claim 1, The redirection member 51 is coupled to the rotary shaft 40, the transmission gear 35 and a plurality of gears for transmitting a rotational force transmitted to the rotary shaft 40 is engaged, and the transmission gear portion The tracking and focusing adjustment coil correction apparatus of the optical pickup actuator, characterized in that composed of a drive motor (31) coupled to any one of the gears (35) to generate rotational power to the transmission gear (35). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950045200A 1995-11-30 1995-11-30 A tracking and focusing coil adjustment device of optical pick-up actuator KR0158856B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950045200A KR0158856B1 (en) 1995-11-30 1995-11-30 A tracking and focusing coil adjustment device of optical pick-up actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950045200A KR0158856B1 (en) 1995-11-30 1995-11-30 A tracking and focusing coil adjustment device of optical pick-up actuator

Publications (2)

Publication Number Publication Date
KR970029411A true KR970029411A (en) 1997-06-26
KR0158856B1 KR0158856B1 (en) 1999-01-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950045200A KR0158856B1 (en) 1995-11-30 1995-11-30 A tracking and focusing coil adjustment device of optical pick-up actuator

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Publication number Publication date
KR0158856B1 (en) 1999-01-15

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