Patent ID: 8036154

Claim:
A method for saving power in a digital broadcasting receiver in channel switching of N service channels repeatedly transmitted in a time slicing operation, the method comprising: receiving and processing information regarding a K-th service channel among the service channels by turning on a broadcast receiving unit, wherein K and N are natural numbers and K is smaller than N; turning off the broadcast receiving unit after processing the information regarding the K-th service channel; acquiring information regarding a transmission order of the N service channels; receiving a request for channel switching from the K-th service channel to an M-th service channel; determining the order of the M-th service channel for switching from the K-th service channel when channel switching is requested, wherein M is a natural number smaller than N; and performing channel switching by turning on the broadcast receiving unit in the order of the M-th service channel and then receiving and processing information about the M-th service channel.