Image reception system

Details Image reception system Image reception system

H - Electricity

04

N

350/3

H04N 7/16 (2006.01) H04N 5/445 (2006.01)

Patent

CA 1271249

ABSTRACT OF THE DISCLOSURE An image reception system is disclosed, which includes a tuner for selecting one of broadcast channels of CATV, a video detector connected to the tuner for deriving output signals having video signals and command data of the selected channel, a data fetch circuit for extracting the command data and character data out of the output signals derived from the video detector, a display controller for controlling video outputs to be displayed on a display screen, and a key pad for supplying the control command to the display controller. In this case, the display controller includes a character generator for generating character signals to be displayed on the display and a masking circuit for superimposing masking signals on the video signal on request.

492737

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