Patent ID: 6369826
Filing Date: 2002-04-09
Classification: G09G,H04N

Abstract:
A computer for displaying a moving image on a display, comprising:a memory including an on-screen area for storing display image information and an off-screen area for storing image information of said moving image, said on-screen area including a memory area for displaying said moving image and for storing key color information; a data reading circuit for reading said display image information from said on-screen area and said image information of said moving image from said off-screen area; a shutter circuit for outputting said image information of said moving image from said data reading circuit or predetermined color information by a predetermined frame cycle; a key color detecting circuit for determining whether read display image information comprises said key color information; and a selector circuit for outputting all image signal corresponding to said display image information to said display when the read display image information is determined not to comprise said key color information, and outputting a signal corresponding to an output of said shutter circuit to said display if the read display image information is determined to comprise said key color information, wherein said predetermined color information output in successive frames of said predetermined frame cycle is the same color.