The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 02, 1988
Filed:
Mar. 11, 1986
Applicant:
Inventor:
Fukumi Fujiwara, Kanagawa, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
340723 ; 340747 ; 340750 ; 340798 ;
Abstract
An image data storage system and an apparatus and a method for compressing image data including a map memory and a data memory. The map memory contains a plurality of memory regions while the data memory contains a plurality of memory areas. A pointer is stored in each memory region of the map memory, one pointer for each corresponding unit of input data. For units of input image data containing other than all '0's, the data is stored in a corresponding image data region of the data memory. On the other hand, for all image units containing all '0's (completely white), the pointers point to a single memory data in the data memory which contains all '0's.