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:
Jun. 08, 1993
Filed:
Feb. 25, 1992
Applicant:
Inventors:
Steven M Blonstein, San Jose, CA (US);
James D Allen, Santa Cruz, CA (US);
Assignees:
Ricoh Corporation, Menlo Park, CA (US);
Ricoh Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
382 56 ; 382 17 ; 364745 ; 358135 ;
Abstract
A novel quantization method for use in image compression techniques provides a 3-6% improvement in compression which is achieved with minimal additional hardware or software and yet which is compatible with proposed standard techniques.