KR940022425A - Optical disc player - Google Patents

Optical disc player Download PDF

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Publication number
KR940022425A
KR940022425A KR1019930004547A KR930004547A KR940022425A KR 940022425 A KR940022425 A KR 940022425A KR 1019930004547 A KR1019930004547 A KR 1019930004547A KR 930004547 A KR930004547 A KR 930004547A KR 940022425 A KR940022425 A KR 940022425A
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KR
South Korea
Prior art keywords
lens
disk
disc
optical head
optical
Prior art date
Application number
KR1019930004547A
Other languages
Korean (ko)
Inventor
다다오 아라다
야스로우 야하다
Original Assignee
다나까 신사꾸
다나신덴기 가부시끼가이샤
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 다나까 신사꾸, 다나신덴기 가부시끼가이샤 filed Critical 다나까 신사꾸
Priority to KR1019930004547A priority Critical patent/KR940022425A/en
Publication of KR940022425A publication Critical patent/KR940022425A/en

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Abstract

본 발명은 광학헤드의 렌즈 오염을 청소하기 위한 것으로서, 광학헤드(4)의 포커스 제어기구를 사용하여 대물렌즈(11)를 더미 디스크(22)의 청소부재(21)에 접촉시키는 렌즈이동수단(25)과, 이 렌즈 이동수단에 의해 청소부재에 접촉시킨 대물렌즈를 광학헤드의 트래킹 제어기구를 사용하여 트래킹 방향으로 진동시키는 진동수단(26)을 구비한 것을 특징으로 하는 광학 디스크 재생장치에 관한 것이다.The present invention is for cleaning the lens contamination of the optical head, the lens shift means for contacting the objective lens 11 to the cleaning member 21 of the dummy disk 22 using the focus control mechanism of the optical head ( 25) and vibration means 26 for vibrating the objective lens brought into contact with the cleaning member by the lens moving means in the tracking direction using the tracking control mechanism of the optical head. will be.

Description

광학 디스크 재생장치Optical disc player

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

제1도는 본 발명의 1실시예에 관한 광학 디스크 재생장치의 주요부분 개략 구성을 나타내는 사시도,1 is a perspective view showing a schematic configuration of a main part of an optical disc reproducing apparatus according to an embodiment of the present invention;

제2도는 본 발명의 1실시예 장치에 있어서 제어회로의 개략 구성을 나타내는 도면,2 is a view showing a schematic configuration of a control circuit in the device of one embodiment of the present invention;

제3도는 본 발명의 1실시예 장치에서 사용되는 더미 디스크의 구성예를 나타내는 사시도이다.3 is a perspective view showing an example of the configuration of a dummy disk used in one embodiment apparatus of the present invention.

Claims (5)

텐테이블(1)에 지지되어 회전되는 디스크에 광학헤드(4)를 대치시키고, 그 광학헤드(4)를 상기 디스크의 반경방향으로 이동시켜 그 디스크의 기록정보를 광학적으로 재생하는 광학디스크 재생장치에 있어서, 디스크면에 청소부재(21)를 설치한 더미 디스크(22)가 텐테이블(1)에 지지되었을 때 구동되고, 상기 광학헤드(4)의 대물렌즈(11)를 상기 청소부재(21)에 접촉시켜 청소한 렌즈청소장치를 구비하여 구성되고, 그 렌즈 청소장치는 상기 광학헤드(4)의 포커스(focus) 제어기구를 사용하여 상기 대물렌즈(11)를 상기 더미 디스크(22)의 청소부재(21)에 접촉시키는 렌즈이동수단(25)과, 상기 청소부재에 접촉시킨 대물렌즈(11)를 상기 광학헤드(4)의 트래킹(tracking) 제어기구를 사용하여 트리킹 제어방향으로 진동시키는 진동수단(26)을 구비한 것을 특징으로 하는 광학 디스크 재생장치.An optical disc reproducing apparatus for replacing an optical head 4 with a disc supported and rotated by the tentable 1, and moving the optical head 4 in the radial direction of the disc to optically reproduce the recording information of the disc. In this case, the dummy disk 22 having the cleaning member 21 provided on the disk surface is driven when supported by the tentable 1, and the objective lens 11 of the optical head 4 is attached to the cleaning member 21. And a lens cleaning device cleaned by contacting the lens cleaning device by using the focus control mechanism of the optical head 4 to move the objective lens 11 to the cleaning member of the dummy disk 22. Vibration for vibrating the lens moving means 25 in contact with the 21 and the objective lens 11 in contact with the cleaning member in the tracking control direction by using the tracking control mechanism of the optical head 4. Light characterized by having means (26) The disk reproducing apparatus. 제1항에 있어서, 렌즈청소장치는 더미 디스크(22)의 회전을 정지시킨 상태에서만 작동허가되는 것을 특징으로 하는 광학 디스크 재생장치.An optical disc reproducing apparatus according to claim 1, wherein the lens cleaning device is allowed to operate only when the rotation of the dummy disc (22) is stopped. 제1항에 있어서, 렌즈청소장치는 텐테이블(1)에 장착된 디스크의 인입(引入)영역의 기록정보로부터 그 디스크가 더미 디스크(22)인 것을 확인했을때에만 작동허가되는 것을 특징으로 하는 광학 디스크 재생장치.The optical lens cleaning apparatus according to claim 1, wherein the lens cleaning device is allowed to operate only when it is confirmed that the disk is a dummy disk (22) from the recording information of the insertion area of the disk mounted on the ten table (1). Disc player. 제1항에 있어서, 렌즈청소장치는 렌즈청소 지령조작에 의해 발생되는 신호를 받을때에만 작동허가되는 것을 특징으로 하는 광학 디스크 재생장치.The optical disc reproducing apparatus according to claim 1, wherein the lens cleaning device is allowed to operate only when receiving a signal generated by a lens cleaning command operation. 제1항에 있어서, 렌즈이동수단은 대물렌즈(11)를 그 포커싱(focussing) 동작의 이동범위를 넘어 더미 디스크(22)의 청소부재(21)에 맞닿는 위치까지 이동시키는 것을 특징으로 하는 광학 디스크 재생장치.The optical disc according to claim 1, wherein the lens shifting means moves the objective lens 11 to a position in contact with the cleaning member 21 of the dummy disk 22 over the movement range of the focusing operation. Playback device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930004547A 1993-03-23 1993-03-23 Optical disc player KR940022425A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930004547A KR940022425A (en) 1993-03-23 1993-03-23 Optical disc player

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930004547A KR940022425A (en) 1993-03-23 1993-03-23 Optical disc player

Publications (1)

Publication Number Publication Date
KR940022425A true KR940022425A (en) 1994-10-20

Family

ID=66912132

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930004547A KR940022425A (en) 1993-03-23 1993-03-23 Optical disc player

Country Status (1)

Country Link
KR (1) KR940022425A (en)

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