Patent ID: 6195068
Filing Date: 2001-02-27
Classification: G06F,G09G,H04N

Abstract:
An image display system for transferring image data from an upper apparatus to a display apparatus and displaying, wherein:said upper apparatus hasan image data storing unit in which image data developed to bit map data has been stored,a compressing unit reading out the image data from said image data storing unit and compressing, andan upper side bidirectional interface transferring the image data compressed by said compressing unit to said display apparatus,said display apparatus hasa display side bidirectional interface receiving said compressed image data transferred from said upper apparatus,a decoding unit reconstructing the original image data by decoding said compressed image data transferred from said upper apparatus, anda drawing controller displaying the image data decoded by said decoding unit to a display unit, wherein said display unit is a projector unit havinga first display panel projecting and displaying a first image which is drawn by said drawing controller to a screen,a second display panel projecting and displaying a second image which is drawn by said display controller to said screen, andan adjusting unit adjusting display positions and display sizes of said first and second images on said screen, whereinsaid drawing controller converts an image portion corresponding to a display area of said second image which is overlappingly displayed to said first image projected and displayed on the screen into black data and draws said first image to said first display panel, and said drawing controller projects and displays said second image into an image blank portion on the screen by the drawing of the black data of said first image.