US 11,875,605 B2
User authentication for an information handling system using a secured stylus
Chin Leong Ong, Singapore (SG); Gerald Rene Pelissier, Mendham, NJ (US); Hsu Feng Lee, Taipei (TW); Benedict Tiong Chee Tay, Singapore (SG); and Yan Yan, Singapore (SG)
Assigned to DELL PRODUCTS L.P., Round Rock, TX (US)
Filed by Dell Products L.P., Round Rock, TX (US)
Filed on Feb. 12, 2021, as Appl. No. 17/175,107.
Prior Publication US 2022/0261585 A1, Aug. 18, 2022
Int. Cl. G06K 9/62 (2022.01); G06V 40/70 (2022.01); G06F 21/32 (2013.01); H04L 9/32 (2006.01); G06F 3/0354 (2013.01); G06V 10/40 (2022.01); G06V 30/32 (2022.01); G06V 40/13 (2022.01); G06V 40/12 (2022.01); G06V 30/142 (2022.01)
CPC G06V 40/70 (2022.01) [G06F 3/03545 (2013.01); G06F 21/32 (2013.01); G06V 10/40 (2022.01); G06V 30/142 (2022.01); G06V 30/36 (2022.01); G06V 40/13 (2022.01); G06V 40/1365 (2022.01); H04L 9/3213 (2013.01); H04L 9/3242 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A method, comprising:
receiving a request to access content at an information handling system by a user;
receiving a first user handwriting input at the information handling system from the user, wherein the first user handwriting input comprises a user password;
receiving a fingerprint token from a wireless stylus coupled to the information handling system and used to enter the first user handwriting input;
determining whether to approve the request to access content based, at least in part, by:
determining whether the fingerprint token matches the user;
recognizing text in the first user handwriting input, wherein the text comprises the user password; and
determining whether the user password matches the user; and
performing persistent authentication checks upon determining that the request to access content is approved, wherein the performing persistent authentication checks comprises periodic sampling of the user's fingerprint and determining second handwriting biometrics based on a second user handwriting input, wherein the second user handwriting input does not comprise the user password.