Patent ID: 7092044

Claim:
A digital broadcasting receiver comprising: an input unit for entering station selection and other instructions into the receiver; a receiving unit for receiving coded digital/analog broadcasting signals transmitted by a broadcasting station in accordance with the station selection instructions; a digital/analog decoding unit for decoding the digital/analog broadcasting signals received by the receiving unit, and outputting the decoded signals to a display device connected to the receiver for displaying images; a memory for storing broadcast information as a channel map to be used during station selection; and a control unit for controlling the units including the input and output units, and the memory, wherein the control unit executes: a process of searching a digital channel number in the channel map stored in the memory in response to the number being entered from the input unit, and as a result, receiving a broadcast corresponding to the number when the number is found, and notifying that no signal exists when the number is not found; and a process of scanning frequency band of the broadcasting signal by the receiving unit and the decoding unit when the number is not found as a result of the search and in response to a scan instruction is entered by a user, and as a result, receiving a broadcast corresponding to the digital channel number when a signal for the number is found, and notifying that no such a signal exists when it is not found, wherein the control unit scans the entire range of frequency band of the broadcasting signal by its scanning function to prepare a list of digital channel numbers of which the signals are found, notifies its result, and executes a process of registering it in the channel map.