CRT drive circuit

Details CRT drive circuit CRT drive circuit

1995-05-31

1997-04-08

Lee, Michael

Television

Video display

Cathode-ray tube

3153821, H04N 322, H04N 326

Patent

active

056192851

ABSTRACT:
A CRT drive circuit of the present invention comprises a screen voltage control section 10 for adjusting screen voltage output from a screen voltage generating circuit 4 to a focus preference value or raster moire improvement preference value in order to enable a user to select screen voltages, so that the CRT drive circuit is capable of giving preference to the improvement of raster moire or focus depending on the indication of a display screen.

REFERENCES:
patent: 4165506 (1979-08-01), Brands et al.
patent: 4600945 (1986-07-01), Bolger

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