Color video display with built-in color decompression system
AssigneeRicoh Company, Ltd.
InventorSteve M. Blonstein
Life of this patent
Estimating the term…
Abstract
Color video display apparatus with built-in color decompression includes, in one embodiment, a first holding buffer for storing compressed video data representative of a color video image. A decompression means decompresses the stored image data into a frame buffer. A video monitor provides for displaying a representation of the color video image from the frame buffer.
Claims2
A method for sequential display of a first region and a second region of a true-color high-resolution image on an image display means, said image display means comprising a video display monitor having an array of display pixels, said image being stored as compressed image data in a memory means, comprising the steps of:
- (a) decompression of a portion of said compressed image data substantially corresponding only to said first region of said image to provide a first decompressed data package;
- (b) storage of said first decompressed data package in a first portion of a frame buffer means, the storage capacity of said first portion of said frame buffer means being approximately equal to at least the size of said first decompressed data package and less than the size of the entirety of said compressed image data when decompressed;
- (c) display of said first decompressed data package in said frame buffer means on substantially the entirety of said display pixels of said video display monitor;
- (d) decompression of a portion of said compressed image data substantially corresponding only to said second region of said image to provide a second decompressed data package, said first region and said second region having substantially equal size;
- (e) storage of said second decompressed data package in a second portion of said frame buffer means, the storage capacity of said second portion of said frame buffer means being approximately equal to at least the size of said second decompressed data package;
- and
- (f) display of said second decompressed data package in said frame buffer means on substantially the entirety of said display pixels of said video display monitor.
Dependencies are inferred from the claim text.