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. 30, 2017
Filed:
Aug. 31, 2014
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Eliza Yingzi Du, Cupertino, CA (US);
Ming Yu Chen, Santa Clara, CA (US);
Esra Vural, Santa Clara, CA (US);
Kwokleung Chan, San Jose, CA (US);
Suryaprakash Ganti, Los Altos, CA (US);
John Keith Schneider, Williamsville, NY (US);
David William Burns, San Jose, CA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01);
U.S. Cl.
CPC ...
G06K 9/0002 (2013.01); G06K 9/00013 (2013.01); G06K 9/00033 (2013.01); G06K 9/00067 (2013.01);
Abstract
Some methods may involve determining whether an object is positioned on or near a portion of a fingerprint sensor system. If an object is positioned on or near the portion of the fingerprint sensor system, an acoustic impedance of at least a portion of the object may be determined. Based at least in part on the acoustic impedance, it may be determined whether the object is a finger.