Patent ID: 6492983
Filing Date: 2002-12-10
Classification: G09G

Abstract:
A video signal output device which outputs a video signal, comprising:basic signal group generating means for generating a sync signal and a video signal, the video signal indicating display values of pixels at display positions on a display device in intervals of the video signal, the display positions being determined in accordance with time differences between the intervals of the video signal and the sync signal; signal generating means for generating a transmission signal relating to the video signal to be transmitted to the display device; superposing means for superposing the transmission signal on the sync signal to generate a second sync signal; and output means for outputting the second sync signal and the video signal; wherein the transmission signal includes a control signal for controlling display of the video signal on the display device; and wherein the control signal adjusts a value of a gradation of the video signal as displayed on the display device.