Optical storage system

The system has a disk (20) e.g. CD and a digital versatile disk. A pick-up head (10) reproduces information from the disk. The pickup head includes an objective lens (11), and a lens protecting device (120). The protecting device prevents foreign materials e.g. dust, from adhering to the lens. The p...

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Bibliographic Details
Main Author PARK, JOO-YOUN
Format Patent
LanguageEnglish
French
German
Published 27.06.2007
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Summary:The system has a disk (20) e.g. CD and a digital versatile disk. A pick-up head (10) reproduces information from the disk. The pickup head includes an objective lens (11), and a lens protecting device (120). The protecting device prevents foreign materials e.g. dust, from adhering to the lens. The protecting device exposes the lens when the pick-up head reproduces the information from the disk.
Bibliography:Application Number: EP20040011925