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:
Nov. 06, 2018
Filed:
Dec. 22, 2015
Ca, Inc., New York, NY (US);
Yashwant Ramkishan Sawant, Parbhani, IN;
Mohammed Mujeeb Kaladgi, Bangalore, IN;
Ruqiya Nikhat Kaladgi, Banglore, IN;
Junaid Ahmed Jameel, Bangalore, IN;
Jameel Ahmed Kaladgi, Bangalore, IN;
CA, Inc., New York, NY (US);
Abstract
A device unlock pattern ('pattern password') is static in that the same pattern is entered each time to unlock a device. Due to this repetition, a pattern password may be discovered by an application that captures touchscreen gestures, by inspection of fingerprints or smudges on a screen, or simply by an onlooker that views the pattern password being entered. A variable hint pattern can be used to impede discovery. A hint pattern is a sub-pattern ('hint') of the pattern password to be completed for device unlock. A variable hint pattern can impede discovery by changing the sub-pattern at a defined change threshold related to unlock attempts. The device can randomly change the sub-pattern or randomly change the missing portions of the pattern password at each change threshold. As a result, different inputs complete the pattern password. This variance stymies the methods typically used to discover pattern passwords.