Patent ID: 6304544
Filing Date: 2001-10-16
Classification: G06K,G11B

Abstract:
A card optical compact disc compatible with a disc reader which includes a loading tray having an inner annular-shaped recess positioned in an outer annular-shaped recess so that the inner annular-shaped recess defines an inner optical compact disc seating ring for supporting the card optical compact disc when positioned thereon, the card optical compact disc comprising:at least a first layer having a pattern of digital data encoded thereon;at least a second indicia bearing layer overlying the first layer, having a substantially planar and substantially rectangular-shaped upper surface for displaying indicia therefrom, and having portions thereof extending outwardly beyond the peripheries a the inner annular-shaped recess when the card optical compact disc is positioned in the disc reader; andcard interface seating means associated with at least the first layer of the card optical compact disc for seating the card onto the loading tray of the disc reader so as to interfacingly abut with only portions of a periphery of the inner optical compact disc seating ring of the disc reader and not the entire periphery of the inner optical compact disc seating ring.