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:
Mar. 08, 2005
Filed:
Apr. 11, 2003
Tsuyoshi Ide, Yokohama, JP;
Hideyuki Mizuta, Yamato, JP;
Yoichi Taira, Tokyo-to, JP;
Akiko Nishikai, Yokohama, JP;
Tsuyoshi Ide, Yokohama, JP;
Hideyuki Mizuta, Yamato, JP;
Yoichi Taira, Tokyo-to, JP;
Akiko Nishikai, Yokohama, JP;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A discrete pattern, formed by dots discretely arranged in two dimensions, is provided wherein the dots are generated in a low discrepancy sequence. The dots are preferably generated in a discrete pattern wherein the square of discrepancy D satisfies the formula,D≦0.13N  (1)Further, the method provides for generation of, and the appartus provides implementation of, a discrete pattern even when the filling factor rapidly changes by automatically generating or deleting dots.