TH23023B - A television system that can be used with channels on HDTV and NTSC systems. - Google Patents

Abstract

TV receiver system It consists of an HDTV modulator and an NTSC modulator in response to the input of the channel number, CHANNEL UP and CHANNEL DOWN command, or the channel indicator in the channel selection state. already The controller will search a "Matched Channel" grid for the corresponding HDTV and NTSC channels. Or the channel indicator The HDTV tuner is controlled to select an HDTV channel. If the HDTV channel is not already assembled with a channel number or channel indicator, The NTSC modulator is controlled to select the appropriate NTSC channel on that alternate format. It determines whether the HDTV signal is actually received and if it is not. The controller will make the NTSC modulator select the appropriate NTSC channel, and there is another format. Where information "Matched channels" are transmitted through Extended Data Service (EDS) transmissions and loading into them. Automatically in memory

Claims (1)

1. an image processing device that can receive a television signal that is broadcast on a channel. The first television according to the existing model. And the second television signal broadcasting on the Two in a high definition model with features that The memory circuit (162) can store data showing the relevance of transmission. The existing first and second such television channels (410) and the aforementioned high definition (420) aforementioned second television broadcasts.