Self-cleaning optical disc system

Details Self-cleaning optical disc system Self-cleaning optical disc system

1993-02-09

1993-12-07

Levy, Stuart S.

Dynamic information storage or retrieval

With stylus cleaning or treatment

152565, G11B 358

Patent

active

052688909

ABSTRACT:
An optical disc system includes a motorized rack assembly for indexing an optical element in a optical disc system across an optical disc enabling the optical element to read information from the optical disc. A controller controls the motorized rack assembly to index the optical element to a cleaning position exterior of an outer perimeter of the optical disc. A brush is located exterior of the outer perimeter of the optical disc for removing debris from the optical element and the controller controls the motorized rack assembly to bring the optical element in contact with the brush to affect removal of accumulated debris from the optical element.

REFERENCES:
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patent: 2995825 (1960-10-01), Starr
patent: 4817078 (1989-03-01), Iwata
patent: 4870636 (1989-09-01), Yamamoto
patent: 4947029 (1990-08-01), Kurihara et al.
patent: 5038336 (1991-08-01), Kitazawa
patent: 5040160 (1991-08-01), Moriya
patent: 5043968 (1991-08-01), Ohmori
patent: 5084853 (1992-01-01), Endoh
patent: 5088082 (1992-02-01), Yamada et al.
patent: 5088083 (1992-02-01), Olson
patent: 5117411 (1992-05-01), Nakagawa

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