KR950020453A - Optical disc player - Google Patents

Optical disc player Download PDF

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Publication number
KR950020453A
KR950020453A KR1019930029444A KR930029444A KR950020453A KR 950020453 A KR950020453 A KR 950020453A KR 1019930029444 A KR1019930029444 A KR 1019930029444A KR 930029444 A KR930029444 A KR 930029444A KR 950020453 A KR950020453 A KR 950020453A
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South Korea
Prior art keywords
pickup
disk
optical disc
disc player
pick
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KR1019930029444A
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Korean (ko)
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KR960007896B1 (en
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김군진
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배순훈
대우전자 주식회사
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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
    • G11B7/08—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

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  • Optical Recording Or Reproduction (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)

Abstract

본 발명은 광학디스크플레이어에 관한 것으로, 디스크를 정위치에 고정 및 위치결정하기 위한 디스크척킹수단과, 디스크상의 나선형틀랙(TRACK)을 추종하도록 하며 픽업의 회전운동과 직선운동을 동시에 수행하기 위한 픽업나선운동수단과, 픽업이 디스크의 기록면과 평행하도록 디스크의 기록면으로부터 어긋난 픽업의 경사를 보정해 주기 위한 경사보정수단과, 상기 픽업나선운동수단의 나선운동 중에 이 회전중심으로 부터 변화하는 무게중심에 따라 발생되는 픽업의 진동을 방지하기 위한 균형수단과, 상기 픽업나선운동수단이 결합설치되며 상하방향으로 선회개폐되는 상부뚜껑 및 이 상부뚜껑과 힌지결합되는 하부케이스를 구비하므로써 디스크가 고정된 상태에서 광픽업장치 자체가 직선운동 및 회전운동을 동시에 수행하면서 디스크상에 수록된 정보를 재생할 수 있도록 한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical disc player, wherein a disc chucking means for fixing and positioning a disc in a fixed position and a spiral track (ACK) on a disc are carried out to simultaneously perform a rotational motion and a linear motion of a pickup. Pick-up spiral movement means, inclination correction means for correcting the inclination of the pickup deviated from the recording surface of the disc so that the pickup is parallel to the recording surface of the disc, and the center of gravity that changes from this rotation center during the spiral movement of the pick-up spiral movement means. The disk is fixed by having a balance means for preventing the vibration of the pickup generated by the pickup, the pickup spiral movement means is coupled to the upper lid which is pivoted in the vertical direction and the lower case hinged to the upper lid The optical pickup device itself carries out linear and rotary motions simultaneously The locked information can be played back.

Description

광학디스크플레이어Optical disc player

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

제2도는 본 발명에 따른 광학디스크플레이어의 전체구성을 보인 분리사시도.2 is an exploded perspective view showing the overall configuration of an optical disc player according to the present invention.

제3도는 본 발명에 따른 광학디스크플레이어에서 전송수단의 실시예를 보인 종단면도.Figure 3 is a longitudinal sectional view showing an embodiment of the transmission means in the optical disc player according to the present invention.

제4도는 본 발명에 따른 광학디스크플레이어에서 경사보정수단을 나타낸 부분사시도.4 is a partial perspective view showing the tilt correction means in the optical disc player according to the present invention.

Claims (14)

디스크(D)를 정위치에 고정 및 위치결정하기 위한 디스크척킹수단과, 디스크(D)상의 나선형트랙을 추종하도록 하며 픽업(41)의 회전운동과 직선운동을 동시에 수행하기 위한 픽업나선운동수단과, 픽업(41)이 디스크(D)의 기록면과 평행하게 위치되도록 디스크(D)의 기록면으로부터 어긋난 픽업(41)의 경사를 보정해주기 위한 경사보정수단과, 상기 픽업나선운동수단의 나선운동중에 이 회전중심으로부터 변화하는 무게중심에 따라 발생되는 픽업(41)의 진동을 방지하기 위한 균형수단과, 상기 픽업나선운동수단이 결합되며, 상방향으로 선회개폐되는 상부뚜껑(61) 및 이 상부뚜껑(61)과 힌지결합되는 하부케이스(63)를 구비하여 된 것을 특징으로 하는 광학디스크플레이어.A disk chucking means for fixing and positioning the disk D in position, a pickup spiral motion means for simultaneously following the helical track on the disk D, and simultaneously performing a rotational motion and a linear motion of the pickup 41; Inclination correction means for correcting the inclination of the pickup 41 shifted from the recording surface of the disk D such that the pickup 41 is positioned parallel to the recording surface of the disk D, and during the spiral motion of the pickup spiral movement means. Balance means for preventing the vibration of the pickup 41 is generated according to the center of gravity that changes from the center of rotation, and the pickup spiral movement means is coupled, the upper lid 61 and the upper lid 61 is opened and closed upward and the upper lid ( 61) and an optical disc player characterized in that it comprises a lower case (63) hinged. 제1항에 있어서, 상기 디스크척킹수단은 디스크(D)를 안착시키기 위한 원반형의 고정테이블(31)과, 상기 고정테이블(31)과 상호 작용하면서 디스크(D)의 상면을 눌러주는 마그네틱척(32)으로 구성된 것을 특징으로 하는 광학디스크플레이어.The disk chucking means according to claim 1, wherein the disk chucking means has a disk-shaped fixing table 31 for seating the disk D, and a magnetic chuck for pressing the upper surface of the disk D while interacting with the fixing table 31. 32) optical disk player, characterized in that consisting of. 제1항에 있어서, 상기 픽업나선운동수단은 디스크(D)상의 트렉을 따라 디스크(D)의 래디얼 방향으로 직선운동하는 픽업(41)이 구비된 픽업직선운동수단과, 이 픽업직선운동수단을 디스크(D)의 동축선상에서 회전운동시켜주기 위한 픽업회전운동수단으로 구성된 것을 특징으로 하는 광학디스크플레이어.2. The pickup spiral motion means according to claim 1, wherein the pickup spiral motion means comprises a pickup linear motion means provided with a pickup 41 that linearly moves in the radial direction of the disk D along a track on the disk D, and the pickup linear motion means. An optical disc player, characterized in that consisting of a pick-up rotational movement means for rotational movement on the coaxial line of the disk (D). 제3항에 있어서, 상기 픽업직선운동수단은 장방형 픽업프레임(44)상에 디스크(D)의 래디얼 방향과 동일방향으로 된 직선가이드(45)를 설치하여 픽업(41)에 설치된 가이드부시(41a)가 이 직선가이드(45)에 끼워져 픽업(41) 직선운동시에 직선안내되도록 하며, 상기 직선가이드(45)에 가이드되는 픽업(41)을 직선운동시키기 위해 픽업(41)의 일측에 상기 직선가이드(45)와 평행하도록 이송랙(46)를 고정설치하되, 픽업모터(48)의 모터축(48a)에 설치된 피니온(47)이 상기 이송랙(46)과 맞물리도록 하여 픽업프레임(44)상에 고정된 픽업모터(48)의 구동에 따라 픽업(41)이 직선운동되도록 구성된 것을 특징으로 하는 광학디스크플레이어.4. The guide bush (41a) according to claim 3, wherein the pick-up linear movement means is provided with a linear guide (45) in the same direction as the radial direction of the disk (D) on the rectangular pick-up frame (44). ) Is inserted into the linear guide 45 so that the guide 41 is linearly guided during the linear motion of the pickup 41, and the straight line is connected to one side of the pickup 41 to linearly move the pickup 41 guided by the linear guide 45. The transfer rack 46 is fixedly installed so as to be parallel to the guide 45, and the pinion 47 installed on the motor shaft 48a of the pickup motor 48 is engaged with the transfer rack 46 so that the pick-up frame 44 is fixed. The optical disc player, characterized in that the pickup 41 is configured to linearly move in accordance with the driving of the pickup motor (48) fixed on the. 제3항에 있어서, 상기 픽업회전운동수단은 픽업(41)을 포함한 픽업나선운동수단이 설치되는 회전플레이트(49)와, 이 회전플레이트(49)를 회전시켜주기 위한 스핀들모터(50)와, 스핀들모터(50)의 스핀들모터축(50a)에 상기 회전플레이트(49)를 결합하기 위해 스핀들모터축(50a)에 직결되며 회전플레이트(49)의 중앙부에 체결되는 원통형 브라켓(49a)으로 구성된 것을 특징으로 하는 광학디스크플레이어.The method of claim 3, wherein the pick-up rotational movement means is a rotary plate 49, which is provided with a pickup spiral movement means including a pickup 41, a spindle motor 50 for rotating the rotation plate 49, In order to couple the rotating plate 49 to the spindle motor shaft 50a of the spindle motor 50, it is composed of a cylindrical bracket 49a that is directly connected to the spindle motor shaft 50a and fastened to the center of the rotating plate 49. An optical disc player characterized by the above-mentioned. 제1항에 있어서, 상기 경사보정수단은 상기 회전플레이트(49)상에 설치되는 픽업프레임(44)의 중앙양측면을 회전플레이트(49)로부터 돌출된 한쌍의 회전지지핀(49b)(49c)에 끼워 설치하고, 픽업프레임(44)의 일단부(44k) 주변인 회전플레이트(49) 상에는 경사캠(71)이 직설된 틸트모터(72)를 설치하되, 상기 경사캠(71)의 경사면(71a)에 픽업프레임(44)의 일단부(44k)가 접촉되도록하여 틸트모터(72)의 회전에 의한 경사캠(71)의 캠운동에 의해 픽업프레임(44)이 시이소운동되도록 하는 한편, 픽업프레임의 일단부(44k)가 경사캠(71)의 경사면(71a)에 항상 밀착되도록 하기 위한 탄성수단을 구비하여 구성된 것을 특징으로 하는 광학디스크플레이어.According to claim 1, wherein the inclination correction means is a pair of rotary support pins (49b) (49c) protruding from the rotary plate 49, the central both sides of the pickup frame 44 is installed on the rotary plate (49) On the rotating plate 49 around the one end 44k of the pick-up frame 44, a tilt motor 72 in which the inclined cam 71 is installed is installed, but the inclined surface 71a of the inclined cam 71 is installed. One end 44k of the pickup frame 44 is brought into contact with the pick-up frame 44 so that the pick-up frame 44 is seesawed by the cam motion of the inclined cam 71 by the rotation of the tilt motor 72. An optical disc player, characterized in that one end portion (44k) is provided with an elastic means for always in close contact with the inclined surface (71a) of the inclined cam (71). 제6항에 있어서, 상기 탄성수단은 압축스프링, 토션스프링, 인장스프링(65), 판스프링, 상호척력 또는 인력이 작용하는 한조의 자성체로 구성된 것을 특징으로 하는 광학디스크플레이어.7. The optical disc player as set forth in claim 6, wherein said elastic means is composed of a set of magnetic bodies acting by compression springs, torsion springs, tension springs (65), leaf springs, mutual repulsion or attraction. 제1항에 있어서, 상기 균형수단은 상기 픽업나선운동수단중에 포함된 픽업직선운동수단의 반대편측 회전플레이트(49)상에 상기 픽업(41)의 전체 무게에 맞춘 소정형상으로 된 균형추(8)를 설치하여 구성된 것을 특징으로 하는 광학디스크플레이어.The balance weight (8) according to claim 1, wherein the balance means is formed in a predetermined shape in accordance with the total weight of the pickup (41) on a rotation plate (49) opposite to the pickup linear motion means included in the pickup spiral motion means. Optical disc player, characterized in that configured by installing. 제8항에 있어서, 상기 균형추(80)는 단위 부피당 무게의 비율이 높은 비교적 비중이 높은 부류에 속하는 물질인 금속 또는 납 중 어느 한 가지 물질로 된 것을 특징으로 하는 광학디스크플레이어.9. The optical disc player as set forth in claim 8, wherein the counterweight (80) is made of any one material of metal or lead, which is a material belonging to a relatively high specific weight class having a high ratio of weight per unit volume. 제8항에 있어서, 상기 균형추(80)는 스핀들모터(50)의 회전중심으로 향할수 있도록 두꺼워 지도록 형성하여 된 것을 특징으로 하는 광학디스크플레이어.9. The optical disc player as set forth in claim 8, wherein the counterweight (80) is formed to be thickened to face the center of rotation of the spindle motor (50). 제8항에 있어서, 상기 균형추(80)는 픽업나선운동수단의 회전중심을 기점으로 픽업(41)의 운동방향과 반대방향으로 무게의 균형을 이루면서 비례운동하는 추이송수단이 설치된 것을 특징으로 하는 광학디스크플레이어.According to claim 8, The counterweight 80 is characterized in that the transfer means for proportional movement while balancing the weight in the direction opposite to the movement direction of the pickup 41 from the center of rotation of the pickup spiral movement means is installed Optical Disc Player. 제11항에 있어서, 상기 추이송수단은 균형추(80)를 안내하기 위한 가이드봉(20)과, 상기 가이드봉(20)에 끼워져 미끄럼운동되고 균형추(80)에 매설된 슬라이드부시(22)와, 상기 가이드봉(20)의 양단을 지지하며 회전플레이트(49)상에 설치되는 서포터(24a)(24b)와, 균형추(80)의 직선운동시 구동원이 되는 추이송모터(26)와, 추이송모터(26)로부터의 동력을 균형추(80)에 전달하기 위한 동력전달수단으로 구성된 것을 특징으로 하는 광학디스크플레이어.According to claim 11, The transfer means is a guide rod 20 for guiding the balance weight 80, the slide bush 22 is inserted into the guide rod 20, sliding and embedded in the balance weight (80) and The support rods 24a and 24b which are supported on both ends of the guide rod 20 and installed on the rotating plate 49 and the transfer motor 26 serving as a driving source during the linear movement of the counterweight 80, and the transition Optical disc player, characterized in that composed of a power transmission means for transmitting the power from the motor 26 to the balance weight (80). 제12항에 있어서, 상기 동력전달수단은 상기 추이송모터(26)에 직결된 피니온기어(27)와, 상기 기이드봉(20)의 축중심선과 평행하도록 균형추(80)에 설치되어 상기 피니온기어(27)와 치합된 렉기어(28)로 구성된 것을 특징으로 하는 광학디스크플레이어.The pinion gear 27 directly connected to the transfer motor 26 and the balance weight 80 are installed on the balance weight 80 so as to be parallel to the axis center line of the guide rod 20. An optical disc player, characterized in that consisting of a rack gear (28) meshing with the on gear (27). 제1항에 있어서, 상기 상부뚜껑(61)과 하부케이스(63)사이에 상부뚜껑(61)의 개방 각도를 제한하며, 과도열림을 방지하는 도어오픈스퍼터(84)를 설치하여된 것을 특징으로 하는 광학디스크플레이어.The method according to claim 1, wherein the opening angle of the upper lid 61 is limited between the upper lid 61 and the lower case 63, and a door open sputter 84 is installed to prevent excessive opening. Optical disc player. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930029444A 1993-12-24 1993-12-24 Optical disk player Expired - Fee Related KR960007896B1 (en)

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KR1019930029444A KR960007896B1 (en) 1993-12-24 1993-12-24 Optical disk player

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KR1019930029444A KR960007896B1 (en) 1993-12-24 1993-12-24 Optical disk player

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KR950020453A true KR950020453A (en) 1995-07-24
KR960007896B1 KR960007896B1 (en) 1996-06-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6734048B2 (en) 2001-05-14 2004-05-11 Lg.Philips Lcd Co., Ltd. Thin film transistor liquid crystal display and fabrication method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6734048B2 (en) 2001-05-14 2004-05-11 Lg.Philips Lcd Co., Ltd. Thin film transistor liquid crystal display and fabrication method thereof
KR100532081B1 (en) * 2001-05-14 2005-11-30 엘지.필립스 엘시디 주식회사 Rework method for indium tin oxide in tft-lcd

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