Dynamic information storage or retrieval – With stylus cleaning or treatment
Patent
1993-03-25
1999-11-30
Davis, David D.
Dynamic information storage or retrieval
With stylus cleaning or treatment
G11B 712
Patent
active
059954663
ABSTRACT:
An optical pickup lens cleaning device for a double-sided disk player for recording desired signals on each side of the double-sided disk or reproducing the desired signals therefrom. The cleaning device includes an optical pickup assembly having first and second lateral rack gears, and a semi-circular rack gear connected to the corresponding ends of the first and second rack gears. The first and second rack gears are spaced at a predetermined distance so that the disk can be disposed therebetween and are disposed on a frame together with the semi-circular rack gear in a continuous manner. The optical pickup assembly is movable along the rack gears so as to be moveable from one side of the disk to the opposite side thereof. A lens cleaning mechanism is disposed at a center of an arc of the semi-circular rack for cleaning a lens to be mounted on a base of the optical pickup assembly when the assembly is moved from the one side of the disk to the opposite side. Therefore, the lens in the pickup assembly is automatically cleaned during normal operation without the need for a separate lens cleaning device.
REFERENCES:
patent: 5335128 (1994-08-01), Morinaka
Davis David D.
Samsung Electronics Co,. Ltd.
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