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:
Jul. 12, 2022
Filed:
Oct. 28, 2020
Applicant:
Joshua Noel Hogan, Los Altos, CA (US);
Inventor:
Joshua Noel Hogan, Los Altos, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/1172 (2016.01); G06F 21/32 (2013.01); A61B 5/00 (2006.01); G01B 9/02091 (2022.01); G06V 40/12 (2022.01); A61B 5/145 (2006.01); G01N 21/17 (2006.01); G06V 40/40 (2022.01);
U.S. Cl.
CPC ...
A61B 5/1172 (2013.01); A61B 5/0066 (2013.01); G01B 9/02091 (2013.01); G06F 21/32 (2013.01); G06V 40/1365 (2022.01); G06V 40/1382 (2022.01); A61B 5/14532 (2013.01); G01B 2290/70 (2013.01); G01N 2021/1787 (2013.01); G06V 40/1388 (2022.01); G06V 40/45 (2022.01);
Abstract
The invention provides an Optical Coherence Tomography (OCT) system capable of acquiring two orthogonally polarized depth scans from a target such as the fingerprint region of a finger. In the preferred embodiment the birefringence of tissue components and, optionally, other aspects of the target are measured in order determine a characteristic of the target, such as whether it is real of fake finger.