Motion video signal processing for recording or reproducing – Process of generating additional data during recording or... – Additional data controlling recording or playback operation
Reexamination Certificate
2011-08-16
2011-08-16
Tran, Thai (Department: 2484)
Motion video signal processing for recording or reproducing
Process of generating additional data during recording or...
Additional data controlling recording or playback operation
C241S112000, C083S856000, C360S055000
Reexamination Certificate
active
08000582
ABSTRACT:
A system and method are described for rendering Compact Discs (CDs) and Digital Video Discs (DVDs) unreadable. Embodiments comprise a frame, a guide for constraining motion of the frame with respect to a disc, and at least one scraping element. Scraping elements may be positioned to damage the disc volume descriptor while the frame moves in a constrained manner relative to the disc. The guide may comprise a spindle which engages the center hole of a disc to hold the frame in a radially-fixed position. A scraping element on the frame damages the disc as the disc rotates relative to the frame. The guide may be integrated, such that the frame comprises a slot through which the disc passes. A scraping element inside the slot damages a disc as it passes through. Embodiments are hand operated, not motorized, and some have no moving parts. Embodiments also function with non-optical media.
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Tran Thai
Wendmagegn Girumsew
Wilson Kelce S.
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