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:
Dec. 03, 2013
Filed:
Aug. 22, 2006
Pernilla Qvarfordt, Los Altos, CA (US);
Eleanor G. Rieffel, Mountain View, CA (US);
David M. Hilbert, Palo Alto, CA (US);
Pernilla Qvarfordt, Los Altos, CA (US);
Eleanor G. Rieffel, Mountain View, CA (US);
David M. Hilbert, Palo Alto, CA (US);
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
An automated test to tell computers and humans apart is disclosed, comprising displaying on a computer screen an animation comprising of a foreground and a background, one of the foreground comprising a plurality of typographical characters and the other comprising partial obstruction of the typographical characters, and wherein the animation comprises relative motion between the background and foreground. The automated test may comprise displaying on a computer screen an image, and requiring the user to perform operation on the image to resolve an encoded solution. The test may also comprise displaying on a computer screen a video clip, and requiring a user to provide an input corresponding to subject matter presented in the video clip.