Patent ID: 6950145

Claim:
A television system, said system comprising: a television set with at least one television tuner for the reception of analogue data; and a broadcast data receiver for the reception of digital data, both the tuner and broadcast data receiver selectively operable by a viewer to allow the generation of one of a number of viewer selectable television channels, and detection means are provided when a viewer channel selection is made via the television set to detect spectral emissions from the television set tuner, the spectral emission are of a value generated by a local oscillator in the television in response to a tuner setting, said detected spectral emission indicative of a particular television channel, from the range of available channels, selected for display by a viewer, and said broadcast data receiver controlled to receive digital data from an identified selected television channel, decode and process same and display said processed digital data to generate a selected channel via said television set for a viewer.