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:
Feb. 04, 1986
Filed:
Jun. 29, 1983
Applicant:
Inventors:
Savvas G Chamberlain, Waterloo, CA;
Keith S Pennington, Somers, NY (US);
Gene D Rohrer, Concord, NC (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358160 ; 358166 ; 358167 ; 382 54 ;
Abstract
The Laplacian operator is obtained by using CCD architecture to provide positive and negative weights to respective inputs and then combining the weighted signals.