Multi-bit cellular reflectivity modulation for optical media

Details Multi-bit cellular reflectivity modulation for optical media Multi-bit cellular reflectivity modulation for optical media

G - Physics

11

B

G11B 7/24 (2006.01) G11B 7/005 (2006.01) G11B 7/013 (2006.01) G11B 20/14 (2006.01)

Patent

CA 2085974

MULTI-BIT CELLULAR REFLECTIVITY MODULATION FOR OPTICAL MEDIA ABSTRACT OF THE DISCLOSURE An optical storage device, comprising a disk having a recording surface for reflecting laser light incident thereon, and a plurality of cells representing stored data. Each of the cells is characterized by one of 2N predetermined levels of effective reflectivity to the incident laser light, where N>1 and wherein N represents the number of bits stored per cell.

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