Dynamic information storage or retrieval – With stylus cleaning or treatment
Patent
1991-10-03
1993-11-09
Westin, Edward P.
Dynamic information storage or retrieval
With stylus cleaning or treatment
369292, G11B 712, G11B 541, G11B 2302
Patent
active
052609243
ABSTRACT:
The invention is an optical system cleaner for an optical disk drive in which a cleaning member is attached directly to a shutter or a member corresponding to the shutter to eliminate the need for a mechanism for linking the cleaning member with the shutter. An optical disk drive according to the present invention includes an actuator for projecting an optical beam through an optical system and to a desired position on an optical disk loaded at a reproduction position. The optical disk drive also includes a shutter opening means for opening the shutter of a cassette with a built-in optical disk. The body of the optical system cleaner has a substantially similar shape to said cassette and a moving member attached to the body of said optical system cleaner so as to move freely and driven by said shutter opening means. A cleaning member is attached to said moving member for sweeping out said optical system by merely taking the body of said optical system cleaner in or out of said optical disk drive.
REFERENCES:
patent: 4817078 (1989-03-01), Iwata
patent: 4870636 (1989-09-01), Yamamoto
patent: 5038336 (1991-08-01), Kitazawa
patent: 5040160 (1991-08-01), Moriya
patent: 5088083 (1992-02-01), Olson
patent: 5128923 (1992-07-01), Hasegawa et al.
patent: 5144611 (1992-09-01), Engler et al.
Allen S.
International Business Machines - Corporation
Schecter M. W.
Shifrin D. A.
Westin Edward P.
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