Laser Disc

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Laser Disc

• By
• ?????? ??????? ????07500379

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• Invented by David Paul Greg(1958)

Developed by Philips(1969)
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• - ??????????????????????? Discovision(1978)

- LaserVision , LaserVideo Disc , Reflective
Optical Video Disc DiscoVision , Disco-Vision ,
MCA DiscoVision
- Pioneer Electronics maketed as Laser Disc(1980)
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??????????????2????2????????????????????????
???????????????? ??????30??.
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• ????????????????????

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????????? Laserdisc

• CAV
• Constant Angular Velocity

??????????????????????????????
?????????????? 30 ????(??2????)
??????????????????????, ??????????,
??????????????? ???????????????????????
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• CLV
• Constant Linear Velocity

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? CAV
??????????????????????????????????????
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• ???????????????????????????????
• ???????????????????????????????? ????????

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??????????? Laser Disc

• Pioneer PR7820

Pioneer LD1000
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• http//en.wikipedia.org

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