OPTICAL DISC DRIVE

OPTICAL DISC DRIVE

Increases in the data transfer rates of optical disc drives have resulted in problems such as increases in optical disc vibrations due to higher rotation speeds or increases in heat generation due to increases in the output of motors for rotating the optical discs and in the output of laser diodes....

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Hauptverfasser: KATOU SEIICHI, ISOSHIMA NOBUYUKI, NISHIDA IKUO, NARUI YOUICHI, FUJIMOTO TAKAYUKI, YAMAUCHI YOSHIAKI
Format: Patent
Sprache:eng
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INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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creator KATOU SEIICHI
ISOSHIMA NOBUYUKI
NISHIDA IKUO
NARUI YOUICHI
FUJIMOTO TAKAYUKI
YAMAUCHI YOSHIAKI
description Increases in the data transfer rates of optical disc drives have resulted in problems such as increases in optical disc vibrations due to higher rotation speeds or increases in heat generation due to increases in the output of motors for rotating the optical discs and in the output of laser diodes. To solve such problems, an optical pickup is provided with an air duct therein, and a space that is formed between the optical disc and a top case of a casing and that has negative pressure during rotation of the optical disc is connected to the air duct in the optical pickup via a tube, at least part of the tube being deformable. The optical pickup is cooled by the air flow through the air duct induced by pressure difference.
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subjects INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
title OPTICAL DISC DRIVE
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