198746 ⎘
Signal processing not specific to the method of recording or reproducing; Circuits therefor; Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein the copy frequency, i.e. the number of copies in a given time period, is limited
Content-receiving device
#2Content-receiving device
#3Copy control method
#4Information recording apparatus and copy management program for caching content data of digital content
#5RECEIVER, RECEIVING METHOD AND OUTPUT CONTROL METHOD
#6Copy control using digital speed bumps