KR970029403A - 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
KR970029403A
KR970029403A KR1019950045187A KR19950045187A KR970029403A KR 970029403 A KR970029403 A KR 970029403A KR 1019950045187 A KR1019950045187 A KR 1019950045187A KR 19950045187 A KR19950045187 A KR 19950045187A KR 970029403 A KR970029403 A KR 970029403A
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KR
South Korea
Prior art keywords
tracking
adjustment coil
optical pickup
coil
pickup actuator
Prior art date
Application number
KR1019950045187A
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Korean (ko)
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KR0158849B1 (en
Inventor
이관철
Original Assignee
배순훈
대우전자 주식회사
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Priority to KR1019950045187A priority Critical patent/KR0158849B1/en
Publication of KR970029403A publication Critical patent/KR970029403A/en
Application granted granted Critical
Publication of KR0158849B1 publication Critical patent/KR0158849B1/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 외주면에 포커싱 조정코일(111) 및 트랙킹 조정코일(112)이 부착설치된 대물렌즈홀더(110)를 갖는 광픽업 액츄에이터에 있어서, 상기 대물렌즈 홀더(110)가 상부측에 고정 설치되는 고정부재(100)와, 상기 고정부재(100)가 상부면에 형성된 설치홈(91)내에 안치되고, 복수개의 지지대(80)를 저면에서 받쳐주는 받침관(90)과, 상기 받침관(90)에서 상부로 돌출된 지지대(80)상에 고정 설치되어 내부에 변환기어부(51)가 장착된 본체(50)와, 상기 본체(50)의 변환기어부(51) 측면부분에 돌설된 회전축(40)에 결합된 회전레버(30)의 회전에 의해 변환기어부(51)의 저면에서 상, 하로 이동하는 상, 하이동축(60)과, 상기 상, 하이동축(60)의 끝단부에 부착되어 상기 고정부재(100)에 설치된 대물렌즈홀더(110)의 포커싱 조정코일(111) 및 트랙킹 조정코일(112)를 눌러주는 누름부재(70)로 구성된 것을 특징으로 하는 광픽업 액츄에이터의 트랙킹 및 포커싱 조정코일 보정장치인바, 대물렌즈홀더에 부설된 트랙킹 조정코일 및 포커싱 조정코일의 평탄도 및 직진도를 보정하여서 광픽업 액츄에이터의 부공진을 해소하도록 해준다.The present invention relates to a tracking and focusing adjustment coil correcting apparatus for an optical pickup actuator, the optical pickup actuator having an objective lens holder (110) having a focusing adjustment coil (111) and a tracking adjustment coil (112) attached to an outer circumferential surface thereof. The objective lens holder 110 is fixed to the fixing member 100 is installed on the upper side, and the fixing member 100 is placed in the mounting groove 91 formed on the upper surface, and supports the plurality of supports 80 from the bottom The main body 50 is fixedly installed on the support tube 90, the support 80 protruding upward from the support tube 90, the converter 50 is mounted therein, and the body 50 The upper and lower coaxial shaft 60 moves upward and downward from the bottom of the transducer gear 51 by the rotation of the rotary lever 30 coupled to the rotary shaft 40 protruding from the side of the transducer gear 51. Is attached to the end of the high coaxial shaft 60, installed in the fixing member 100 The tracking and focusing adjustment coil correction device of the optical pickup actuator, characterized in that it consists of a pressing member 70 that presses the focusing adjustment coil 111 and the tracking adjustment coil 112 of the holder 110, and installed in the objective lens holder. By correcting the flatness and straightness of the tracking tracking coil and focusing adjustment coil, it is possible to eliminate the negative resonance of the optical pickup actuator.

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 트래킹 및 포커싱 조정코일 보정장치 구성도.2 is a block diagram of a tracking and focusing adjustment coil correction apparatus according to the present invention.

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

제4도는 본 발명에 따른 코일 설치대의 고정돌기에 대물렌즈홀더가 장착되는 상태도.4 is a state in which the objective lens holder is mounted on the fixing projection of the coil mounting unit according to the present invention.

제5도는 본 발명에 따른 트랙킹 및 포커싱 조정코일 보정장치의 사용 상태도.5 is a state diagram used in the tracking and focusing adjustment coil correction apparatus according to the present invention.

Claims (4)

외주면에 포커싱 조정코일(111) 및 트랙킹 조정코일(112)이 부착설치된 대물렌즈홀더(110)를 갖는 광픽업 액츄에이터에 있어서, 상기 대물렌즈홀더(110)가 상부측에 고정 설치되는 고정부재(100)와, 상기 고정부재(100)가 상부면에 형성된 설치홈(9l)내에 안치되고, 복수개의 지지대(80)를 저면에서 받쳐주는 받침판(90)과, 상기 받침판(90)에서 상부로 돌출된 지지대(80)상에 고정 설치되어 내부에 변환기어부(51)가 장착된 본체(50)와, 상기 본체(50)의 변환기어부(51) 측면부분에 돌설된 회전축(40)에 결합된 회전레버(30)의 회전에 의해 변환기어부(51)의 저면에서 상, 하로 이동하는 상, 하이동축(60)과, 상기 상, 하이동축(60)의 끝단부에 부착되어 상기 고정부재(100)에 설치된 대물렌즈홀더(110)의 포커싱 조정코일(111) 및 트랙킹 조정코일(112)를 눌러주는 누름부재(70)로 구성된 것을 특징으로 하는 광픽업 액츄에이터의 트랙킹 및 포커싱 조정코일 보정장치.In an optical pickup actuator having an objective lens holder 110 having a focusing adjusting coil 111 and a tracking adjusting coil 112 attached to an outer circumferential surface thereof, the fixing member 100 having the objective lens holder 110 fixed to an upper side thereof. And, the fixing member 100 is placed in the installation groove (9l) formed on the upper surface, the support plate 90 for supporting the plurality of support 80 from the bottom and protruding upward from the support plate 90 The rotary lever fixedly installed on the support 80 and coupled to the main body 50 having the converter gear 51 mounted therein, and the rotating shaft 40 protruding from the side surface of the converter gear 51 of the main body 50. The upper and the high coaxial shaft 60 moving up and down from the bottom of the transducer gear 51 by the rotation of the 30 and attached to the end of the upper, high coaxial shaft 60 to the fixing member 100 The pressing member 70 presses the focusing adjustment coil 111 and the tracking adjustment coil 112 of the installed objective lens holder 110. Compensation apparatus for tracking and focusing adjustment coil of the optical pickup actuator. 제1항에 있어서, 상기 고정부재(100)는 상기 누름부재(70)가 하부로 진입하도록 형성된 진입홈(102)과, 상기 진입홈(102)의 바닥면에서 상부로 일정높이 돌설되어지는 코일 설치대(104)와, 상기 코일 설치대(104)의 전방으로 다수개 돌설되어 외주면에 포커싱 조정코일(111) 및 트랙킹 조정코일(112)이 설치된 대물렌즈홀더(110)의 사각홈(113)에 끼워져 대물렌즈홀더(110)를 고정시키는 고정돌기(105)로 구성된 것을 특징으로 하는 광픽업 액츄에이터의 트랙킹 및 포커싱 조정코일 보정장치.According to claim 1, wherein the fixing member 100 is the entry groove 102 formed so that the pressing member 70 enters the bottom, and the coil is protruded a predetermined height from the bottom surface of the entry groove 102 to the top It is installed in the square groove 113 of the objective lens holder 110, the mounting table 104, and a plurality of protrusions in front of the coil mounting table 104, the focusing adjustment coil 111 and the tracking adjustment coil 112 is installed on the outer peripheral surface. Tracking and focusing adjustment coil correction apparatus of the optical pickup actuator, characterized in that consisting of a fixing projection 105 for fixing the objective lens holder (110). 제1항에 있어서, 상기 누름부재(70)의 저면에는 일정길이 함몰된 요홈(71)이 형성되고, 요홈(71)의 바닥면은 평탄도가 정밀한 압압면(72)이 형성된 것을 특징으로 하는 광픽업 액츄에이터의 트랙킹 및 포커싱 조정코일 보정장치.According to claim 1, wherein the bottom surface of the pressing member 70 is formed with a recessed recess recessed in a certain length, the bottom surface of the recess 71 is characterized in that the pressing surface 72 is formed with a precise flatness Tracking and focusing adjustment coil compensation device of optical pickup actuator. 제1항 또는 제2항에 있어서, 상기 고정부재(100)는 진입홈(102)의 좌, 우 양측면에 다수개 형성된 끼움공(103)을 통해 끼워진 고정나사(101)에 의해 받침판(90)의 나사공(92)에 체결 고정되는 것을 특징으로 하는 광픽업 액츄에이터의 트랙킹 및 포커싱 조정코일 보정장치.According to claim 1 or 2, wherein the fixing member 100 is a support plate 90 by a fixing screw 101 fitted through a plurality of fitting holes 103 formed on both left and right sides of the entry groove 102. Tracking and focusing adjustment coil correction device of the optical pickup actuator, characterized in that fastening and fixed to the screw hole (92). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950045187A 1995-11-30 1995-11-30 A tracking and focusing coil adjustment device of optical pick-up actuator KR0158849B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950045187A KR0158849B1 (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
KR1019950045187A KR0158849B1 (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
KR970029403A true KR970029403A (en) 1997-06-26
KR0158849B1 KR0158849B1 (en) 1999-01-15

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KR1019950045187A KR0158849B1 (en) 1995-11-30 1995-11-30 A tracking and focusing coil adjustment device of optical pick-up actuator

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KR0158849B1 (en) 1999-01-15

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