Patent ID: 8151366
Filing Date: 2012-04-03
Classification: G06F,G11B

Abstract:
1. An optical recording medium comprising: a first information layer including a read-only zone including a plurality of embossed pits containing copy control information readable by directing a reproducing laser light beam thereto; and a second information layer including a writable area to which information is recorded by controlling a recording laser light beam directed to the writable area, wherein said copy control information specifies (a) an authorized content source and (b) content which is authorized to be downloaded by a recorder device through a network from said authorized content source and recorded in said writable area of the optical recording medium, said copy control information is read and verified to determine whether a specific content is authorized to be downloaded from said authorized content source through the network to the recorder device and recorded by the recorder device in said writable area before the specific content is allowed to be downloaded from said authorized content source through the network to the recorder device and recorded by the recorder device in said writeable area, the first information layer including the read-only zone and the second information layer including the writable area are stacked one atop the other in a thickness direction of the optical recording medium, said plurality of embossed pits included in the read-only zone in said first information layer contain the copy control information indicating the content which is authorized to be downloaded from said authorized content source and recorded in said writable area, and said copy control information includes security information which the authorized content source retrieves from said read-only zone of the optical recording medium and verifies, before the authorized content source allows download of the authorized content from the authorized content source.