Television receiver including shading correction without...

Details Television receiver including shading correction without... Television receiver including shading correction without...

H - Electricity

04

N

H04N 5/57 (2006.01) H04N 5/59 (2006.01) H04N 9/31 (2006.01)

Patent

CA 2178156

In a television receiver, shading correction is carried out without deteriorating the S/N ratio. In a television receiver comprising a CRT, shading correction means for supplying an image signal to a cathode of the CRT (cathode-ray tube) and for correcting brightness inequalities of an image formed on a fluorescent screen by way of electron beams which are increased/decreased in response to a change in potentials applied to a first grid of the CRT, the shading correction means supplies a shading correction signal to the first grid.

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