Computer graphics processing and selective visual display system – Data responsive crt display control – Crt provides display control
Patent
1998-02-13
2000-07-18
Liang, Regina
Computer graphics processing and selective visual display system
Data responsive crt display control
Crt provides display control
313414, 3153821, G09G 106
Patent
active
060913797
ABSTRACT:
Electron gun for a color cathode ray tube, is disclosed, the color cathode ray tube having a plurality of cathodes for emitting electron beams, a first controlling electrode for controlling an amount of the electron beam emission, and an accelerating electrode for accelerating the electron beams, the electron gun including a power supplying part for examining a received video signal, determining a mode of the video signal, selecting a power of an appropriate level from a plurality of power levels according to a result of the determination, and supplying the selected power to the first controlling electrode and a second controlling electrode disposed between the cathodes and the first controlling electrode for controlling an emission radius of the electron beam according to the power of an appropriate level supplied to the first controlling electrode, thereby satisfying a high luminance as well as a high resolution requirements, whereby allowing processing of various modes of images with one electron gun and effective application of the electron gun to a multimedia.
REFERENCES:
patent: 5350978 (1994-09-01), Chen
patent: 5483128 (1996-01-01), Chen
patent: 5689158 (1997-11-01), Chen
LG Electronics Inc.
Liang Regina
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