Patent ID: 7715689

Claim:
A digital receiving system, comprising: a digital receiving device for receiving a digital transmission transmitted with a transport stream of which video data and audio data are compressed and decoding the received signal of the digital transmission; and a plurality of digital signal processing devices for processing a digital signal; wherein said digital receiving device and said plurality of digital signal processing devices are connected through an interface and a digital signal is exchanged between said digital receiving device and said plurality of digital signal processing devices; and wherein said digital receiving device comprises: a timer record operation setup device for setting up a timer record operation for a desired program; a copy prohibition determining device for determining whether or not a program to which the timer record operation has been set up is prohibited from being digitally copied; a display for displaying an indication that represents that a program that has been set up for the timer record operation cannot be digitally copied when the program is prohibited from being digitally copied; and a registration state determination device, wherein the timer record operation is set up only if the registration state of a selected one of the plurality of digital signal processing devices indicates that the selected device is registered with the digital receiving device.