Patent ID: 6601046
Filing Date: 2003-07-29
Classification: G06F,G11B

Abstract:
A provider of content material comprising:a recorder for recording a copy of the content material on a recording medium; an allocator for allocating a portion of a total-usage measure to the copy of the content material; and a baseline-usage determinator for determining a measure of usage associated with the recording medium, for providing at least one baseline-usage parameter based on the measure of usage associated with the recording medium and the portion of the total-usage measure allocated to the copy of the content material, and for recording the at least one baseline-usage parameter on the recording medium, wherein the provider of content material further comprises:a security device for encoding the at least one baseline-usage parameter in a secure form, the security device binding the at least one baseline-usage parameter to a ticket that is a hashed value of a watermark that is associated with the content material.