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:
Aug. 07, 2012
Filed:
Feb. 19, 2009
Applicants:
Aparna Rangarajan, Renton, WA (US);
Ravi Kiran Poluri, Sammamish, WA (US);
Usman Ahmed Shami, Bellevue, WA (US);
Weisheng LI, Bothell, WA (US);
Inventors:
Aparna Rangarajan, Renton, WA (US);
Ravi Kiran Poluri, Sammamish, WA (US);
Usman Ahmed Shami, Bellevue, WA (US);
Weisheng Li, Bothell, WA (US);
Assignee:
Microsoft Corporation, Redmond, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01); G06F 15/173 (2006.01); G06F 15/177 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for generating one or more human interactive proofs (HIPs) is described herein. A HIP request may be received. One of a plurality of HIP engines may be selected using a randomization algorithm. Each HIP engine may have a distinct algorithm for generating the one or more HIPs. The one or more HIPs may be generated using the one of the plurality of HIP engines.