Patent ID: 9282280
Filing Date: 2016-03-08
CPC Classification: H04N

Claim Text:
1. A copy protection device comprising: circuitry configured to receive content including a packet; copy free flag processing circuitry configured to detect header information including copy control information in a two bit reserved area of a header of the packet, copy management system processing circuitry configured to detect a one-bit flag of a copy management system in a data field in the content, the one-bit flag indicating the copy protection device is in compliance with a copy management system, circuitry configured to (1) produce data in the packet if the copy control information from the copy free flag processing circuitry specifies copy free and if the circuitry is a copy management system acceptable apparatus and the one-bit flag detected by the copy management system processing circuitry indicates compliance with the copy management system, and (2) if the circuitry is a copy management system unacceptable apparatus, not accept the received content if the flag of the copy management system is detected by the copy management system processing circuitry.