KR830000960A - Video disc player - Google Patents

Video disc player Download PDF

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Publication number
KR830000960A
KR830000960A KR1019790000080A KR790000080A KR830000960A KR 830000960 A KR830000960 A KR 830000960A KR 1019790000080 A KR1019790000080 A KR 1019790000080A KR 790000080 A KR790000080 A KR 790000080A KR 830000960 A KR830000960 A KR 830000960A
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KR
South Korea
Prior art keywords
disk
reading
video
information track
light
Prior art date
Application number
KR1019790000080A
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Korean (ko)
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KR840001861B1 (en
Inventor
이이 에리엇트 제이므즈
레이 데이킨 웨인
Original Assignee
죤 다불류 휜드 레이터
엠시이에이 디스커비젼 인코포레이팃드
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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Application filed by 죤 다불류 휜드 레이터, 엠시이에이 디스커비젼 인코포레이팃드 filed Critical 죤 다불류 휜드 레이터
Priority to KR7900080A priority Critical patent/KR840001861B1/en
Priority to KR7904425A priority patent/KR840001863B1/en
Priority to KR7904424A priority patent/KR840001862B1/en
Publication of KR830000960A publication Critical patent/KR830000960A/en
Application granted granted Critical
Publication of KR840001861B1 publication Critical patent/KR840001861B1/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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • 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

Abstract

내용 없음No content

Description

비데오 디스크 플레이어Video disc player

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음This content is subject to disclosure, so the full text is not included.

제1도는 비데오 디스크 플레이어의 일반집단도.Figure 1 is a general group diagram of video disc players.

제2도는 제1도에 예시한 광학계통의 개략도.Fig. 2 is a schematic diagram of the optical system illustrated in Fig. 1;

제2b도는 제2도에 예시한 디스크의 표면 확대도.Fig. 2b is an enlarged view of the surface of the disk illustrated in Fig. 2;

제3도는 본 발명의 다른예를 나타낸 재생장치의 부분 약측면도(略側面圖).3 is a partial schematic side view of a reproducing apparatus showing another example of the present invention.

제4도는 판독 헤드(read head)의 부분 약측면도.4 is a partial side elevational view of a read head.

제5도는 방사형 추적 시스템의 약도.Figure 5 is a schematic diagram of a radial tracking system.

제6a도는 방추형 서어보 시스템(spindle servo system)의 약도.Figure 6a is a schematic diagram of a spindle servo system.

제6b도는 접선형 서어보 시스템(tangential servo system)의 약도.Figure 6b is a schematic diagram of a tangential servo system.

제6c도는 캐리지 서어보 시스템(carriage servo system)의 약도.Figure 6c is a schematic diagram of a carriage servo system.

제7도는 제1도에 예시한 비데오 디스크 요소에 있는 정보 트랙에 판독 선속(read beam) 촛점 조절용 캠(cam) 및 캠공이(cam follower)장치의 사시도.Fig. 7 is a perspective view of a cam and cam follower device for adjusting read beam focus on an information track in the video disk element illustrated in Fig. 1;

제8도는 제1도에 예시한 비데오 디스크 플레이어에 사용한 광학헤드 및 공간 베어링 장치의 측면확대도.Fig. 8 is an enlarged side view of an optical head and a space bearing device used in the video disk player illustrated in Fig. 1;

제9도는 제1도에 예시한 신호회수회로 및 거울 반사 제어회로의 상세도.9 is a detailed diagram of the signal recovery circuit and the mirror reflection control circuit illustrated in FIG. 1;

제10도는 제1도의 예시한 플레이어에 사용되는 수렴면(收斂面)에 구성된 한쌍의 거울을 예시한 약도.Fig. 10 is a schematic diagram illustrating a pair of mirrors configured on a converging surface used in the illustrated player of Fig. 1;

Claims (7)

도면에 표시하고 본문에 상술한 바와 같이 디스크 표면에 기록된 정보를 광학적으로 판독하는 계통에 디스크의 표면에 충돌하는 판독용 복사선속을 발생하는 발생장치와 일정한 광학경로를 따라 발생장치로부터 디스크 표면까지 판독 선속을 직진시키는 광학징치를 구성함에 있어서 한쌍의 거울을 상호간에 대하여 마주보게 거리를 두어 광학경로에 배치하여 판독선속이 각 거울에서 최소한 1회 반사되도록 하고, 또한 이 거운들 중에 최소한 1개를 유교시키는 장치를 구성하여 판독선속이 디스크의 표면의 일정한 위치에 정확히 진행하도록 조절할 수 있게 함을 특징으로 하는 비데오 디스크 플레이어.As indicated in the drawing and described above in the text, a system that optically reads the information recorded on the disk surface, a generator that generates a radiation beam for reading that collides with the surface of the disk, and from the generator to the disk surface along a certain optical path In constructing an optical jaw that advances the reading beam, a pair of mirrors are placed in the optical path with a distance to face each other so that the reading beam is reflected at least once from each mirror, and at least one of these mirrors is A video disk player, characterized in that it is possible to adjust the reading line speed to accurately advance to a certain position on the surface of the disk by configuring a device for flowing through. 디스크에 기록된 정보를 재생시키는 장치를 구성함에 있어서 광복사 발생원으로 부터 복사되는 복사선속을 받아 정보 트랙을 판독하기 위해 디스크에 있는 정보트랙상에 선속을 직진시키게끔 판독헤드를 구성하고, 트랙에 의하여 조절된 선속으로 부터 정보를 도출하는 장치를 설치하며, 판독헤드와 디스크 지지 요소 사이에 상대적인 운동을 하도록 하는 장치 및 판독헤드에 대하여 선속의 경로를 조절할 수 있는 장치를 구성함을 특징으로 하는 비데오 디스크 플레이어.In constructing a device for reproducing information recorded on a disk, a readhead is configured so that the speed of line is moved straight on the information track on the disk in order to read the information track by receiving the radiation beam copied from the optical radiation source. A video device, characterized in that it has a device that derives information from the speed adjusted by means of a device that allows relative motion between the readhead and the disk support element, and a device capable of adjusting the path of the ship speed with respect to the readhead. Disc player. 비데오 디스크를 수용하여 회전시키도록 하는 터언테이블과 비데오디스크 판독장치로서 비데오 디스크 재생계통에 있어서 비데오 디스크의 표면에 있는 정보트랙에 충돌하는 광선속을 발생시키는 광선속 발생원과 디스크로 부터 나오는 광을 받아들이는 광감지기를 가지는 판독장치를 구성하고 디스크에 대하여 방사형으로 상대적인 운동을 하도록 하는 판독장치와 디스크를 구성함에 있어서 정보 트랙의 일정한 주연부에 대하여 광선속이 일정위치에 충돌하도록 하여 광선속이 일정한 주연부에 충돌하지 않을 경우에 1차 극성을 가지며 광선속이 일정한 극연부의 범위 이상에 충돌할 경우에 오차극성을 가지는 매개변수적 전기출력을 발생시키도록 함을 특징으로 하는 비데오 디스크 플레이어.It is a turn table that accommodates and rotates a video disk, and a video disk reader. In the video disk playback system, a ray beam generator that generates a ray of light colliding with an information track on the surface of the video disk and a light that receives light from the disk. When configuring a reading device with a detector and making a radial relative motion with respect to the disk and when configuring the disk, the beam of light collides at a certain position with respect to a certain periphery of the information track so that the beam does not collide with a certain periphery A video disc player, characterized in that it generates a parametric electrical output having an error polarity when a beam of light collides over a range of a certain pole edge. 디스크의 표면에 정보트랙에 기록된 정보를 판독함에 있어서 광복사에 대한 판독선속을 발생하는 광원장치와 U자형으로 접힌 광학경로를 따라 광원장치에서 나온 판독선속을 직진시켜 정보트랙상에 도달하도록 하여 정보트랙에서 판독선속을 변조하게끔 하는 선속직진장치와 정보트랙에서 나온 변조된 복사선속을 수신하는 감지장치를 특징으로 하는 비데오 디스크 플레이어.When reading the information recorded on the information track on the surface of the disk, the light source device that generates the reading beam for light radiation and the reading beam from the light source device along the U-shaped folded optical path are made to reach the information track. A video disc player, comprising: a straight line speed device that modulates the read speed in the information track and a sensing device that receives modulated radiation speed from the information track. 디스크의 반사표면에 형성시킨 정보 트랙에 기록된 정보를 판독하도록 하는 장치를 구성함에 있어서 광복사 판독선속을 발생시키는 장치와 선속경로를 따라 광원장치로부터 나온 판독선속을 정보트랙에 직진시킴에 있어서 정보트랙에 의해 판독선속을 변조 반사시켜 최소한 경로의 일부분을 따라 추적하도록 하는 선속 직진장치 및 정보 트랙에서 나온 반사된 복사선속을 수신하는 감지장치를 구성시킴에 있어서 선속직진장치를 향하거나 판독선속의 경로를 벗어나서 반사된 선속을 직진시키기 위하여 판독세속과 반사선속에 공통적인 경로의 일부를 따라 장치를 배열시킴을 특징으로 하는 비데오 디스크 플레이어.In constructing a device that reads information recorded on an information track formed on the reflective surface of a disk, the device that generates the optical radiation reading beam and the reading beam from the light source device along the beam path are carried out straight to the information track. A straight line device that modulates and reflects the read line speed by the track and traces it along at least a part of the path, and the path of the read line speed or toward the line speed straight line device in constructing a sensing device that receives the reflected radiation line from the information track. A video disk player, characterized in that the device is arranged along a part of a path common to the reading world and the reflected line in order to go straight through the reflected line speed out of the line. 비데오 디스크 판독장치와 터언테이블을 설치하여 비데오 디스크가 부착되어 회전되게하고 판독장치와 디스크를 상대적인 방향으로 이동시켜 비데오 디스크 재생장치를 구성함에 있어서 판독장치를 판독 헤드 지지요소에 포함시키고 비데오 디스크 표면에 근접되도록 판독헤드 지지요소에 판독 헤드를 구성하고 판독헤드에 유체 베어링 지지장치를 연결하여 작동시킴으로서 유체 베어링 지지장치와 터언테이블에서 회전하는 비데오 디스크 사이에 유체 베어링을 형성시키고, 조절가능한 바이어스 장치를 구성하여 디스크에 대한 정상적인 방향에서 헤드에 작용하는 힘을 여러가지로 변화시켜 헤드의 방사형 위치와는 관계없이 디스크와 헤드 사이에 일정한 간격을 유지하도록 함을 특징으로 하는 비데오 디스크 플레이어.A video disk reader and a turn table are installed so that the video disk is attached and rotated, and the reading device and the disk are moved in a relative direction to form a video disk player. A fluid bearing is formed between the fluid bearing support and the video disk rotating on the turn table by configuring the readhead to the readhead support element and operating the fluid bearing support to the readhead so as to be close, and constructing an adjustable biasing device. Thus, a video disc player, characterized in that the force acting on the head in a normal direction with respect to the disc is varied in various ways to maintain a certain distance between the disc and the head regardless of the radial position of the head. 비데오 디스크 재생장치를 구성함에 있어서, 비데오 디스크 판독장치와 터언테이블을 부착시켜 비데오 디스크를 수용하여 회전되도록 하고 판독장치에는 광선속발생장치를 구성하여 디스크로부터 오는 광을 받는 광감지장치와 비데오 디스크 표면에 있는 정보트랙에 광선속이 충돌하도록 하고, 판독장치와 디스크를 구성하여 디스크에 대하여 상대적인 운동방향이 방사형으로 되게하고, 디스크의 정보 트랙에 광선속의 초점을 조절하기 위하여 디스크에 인접한 디스크 판독장치에 대물렌즈를 설치함과 동시에 충돌하는 광선속의 경로를 따라 디스크의 표면에 대하여 대물렌즈를 이동시킴에 있어서 회전 디스크가 판독장치에 대하여 측방향으로 이동함에 따라 정보트랙에 선속의 촛점을 계속 조절하여 유지하도록 하는 장치를 특징으로 하는 비데오 디스크 플레이어.In constructing a video disk playback device, a video disk reader and a turn table are attached to accommodate the video disk to rotate, and a beam generator is configured in the reading device to receive light from the disk and to the surface of the video disk. An objective lens on a disk reading device adjacent to the disk to allow the beam of light to collide with the existing information track, to make the direction of motion relative to the disk radial by configuring the reading device and the disk, and to adjust the focus of the beam of light on the information track of the disk. At the same time, in moving the objective lens with respect to the surface of the disk along the path of the colliding light beam at the same time, the rotation disk is moved laterally with respect to the reading device, so that the focus of the line speed on the information track is continuously adjusted and maintained. A video disc player characterized by the device. ※ 참고사항:최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed according to the contents of the first application.
KR7900080A 1979-01-12 1979-01-12 Video disc player KR840001861B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR7900080A KR840001861B1 (en) 1979-01-12 1979-01-12 Video disc player
KR7904425A KR840001863B1 (en) 1979-01-12 1979-01-12 Video disc player
KR7904424A KR840001862B1 (en) 1979-01-12 1979-12-13 Video disc player

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR7900080A KR840001861B1 (en) 1979-01-12 1979-01-12 Video disc player

Related Child Applications (3)

Application Number Title Priority Date Filing Date
KR7904425A Division KR840001863B1 (en) 1979-01-12 1979-01-12 Video disc player
KR7904426A Division KR820001631B1 (en) 1979-12-13 1979-12-13 Video disc players
KR7904424A Division KR840001862B1 (en) 1979-01-12 1979-12-13 Video disc player

Publications (2)

Publication Number Publication Date
KR830000960A true KR830000960A (en) 1983-04-28
KR840001861B1 KR840001861B1 (en) 1984-10-23

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Application Number Title Priority Date Filing Date
KR7904425A KR840001863B1 (en) 1979-01-12 1979-01-12 Video disc player
KR7900080A KR840001861B1 (en) 1979-01-12 1979-01-12 Video disc player
KR7904424A KR840001862B1 (en) 1979-01-12 1979-12-13 Video disc player

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Application Number Title Priority Date Filing Date
KR7904425A KR840001863B1 (en) 1979-01-12 1979-01-12 Video disc player

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR7904424A KR840001862B1 (en) 1979-01-12 1979-12-13 Video disc player

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100456308B1 (en) * 2002-11-14 2004-11-10 주식회사 래피더스 10gbps to-can package for optical module

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KR830000961A (en) 1983-04-28
KR840001861B1 (en) 1984-10-23
KR830000962A (en) 1983-04-28
KR840001862B1 (en) 1984-10-23
KR840001863B1 (en) 1984-10-23

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