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:
Jan. 09, 2007
Filed:
Feb. 22, 2002
Tatsuo Yajima, Aiko-gun, JP;
Tatsuo Yajima, Aiko-gun, JP;
Asahi Glass Company, Limited, Tokyo, JP;
Abstract
A step of producing a model of three-dimensionally curved shape of a transparent body, a step of determining an eye point and a virtual evaluation pattern, a step of observing the virtual evaluation pattern through the transparent body and obtaining distance values of adjacent perspective evaluation points, a step of determining an optional value to be a reference value, among these distance values, and a step of evaluating the dynamic perspective distortion of the transparent body by obtaining ratios of the distance values to the reference value, are presented.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile