Receiver for television signals

Details Receiver for television signals Receiver for television signals

H - Electricity

04

N

350/56

H04N 9/64 (2006.01) H04N 5/45 (2006.01) H04N 5/445 (2006.01)

Patent

CA 2027054

In a television receiver which comprises a video memory for noise reduction, large-area flicker reduction, still pictures and the like, an additional picture is generated by also storing its pixels in the video memory. The pixels of the additional picture are generated once by a pixel generator protected from being overwritten by the video signal applied at a field frequency of 50 Hz by also storing a blanking bit for each pixel, preventing said pixel from being overwritten by the video signal. The additional picture may be, for example, a teletext page or an operating menu.

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