Image reception system

DETAILED DESCRIPTION Accordingly, it is an object of this invention to provide an image reception system by which the reason for a reception block condition can be understood easily and rapidly so that the user can enter the next operation easily.
It is another object of this invention to provide an image reception system which is suitable in the use of a CATV system or the like.
According to one aspect of the present invention, there is provided an image reception system comprising: tuner means for selecting one of the available broadcast channels; video detector means connected to said tuner means for deriving output signals having video signals and command data of the various selected channels; data fetch means for extracting said command data and character data out of said output signals derived from said video detector means; display control means for controlling video outputs to be displayed on a display screen; and key pad means for supplying a control command to said display control means, characterized in that said display control means includes character generator means for generating character signals to be displayed on said display, and masking means for superimposing masking signals on said video signals on request.
These and other objects, features and advantages of the image reception system according to the present invention will become apparent from the following detailed description of the preferred embodiment taken in conjunction with the accompanying drawings, throughout which like reference numerals designate like elements and parts.