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:
May. 05, 2015
Filed:
Dec. 22, 2010
Applicant:
Robert Aaron Akka, Sausalito, CA (US);
Inventor:
Robert Aaron Akka, Sausalito, CA (US);
Assignee:
Yahoo! Inc., Sunnyvale, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2013.01); G06F 21/36 (2013.01);
U.S. Cl.
CPC ...
G06F 21/36 (2013.01);
Abstract
A method includes displaying a CAPTCHA test comprising an image with distorted alphanumeric characters. The method also includes associating a mask with the image that maps the alphanumeric characters to coordinates. Further, the method includes, enhancing a portion of the image corresponding to one of the alphanumeric characters responsive to a user positioning an assistance tool proximate to one alphanumeric character to reduce distortion.