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:
Oct. 03, 2023
Filed:
Apr. 17, 2020
Fingerprint Cards Ab, Gothenburg, SE;
Petter Östlund, Lund, SE;
FINGERPRINT CARDS ANACATUM IP AB, Gothenburg, SE;
Abstract
A biometric imaging arrangement comprising: a photodetector pixel array including at least a first portion of pixels arranged to receive light transmitted from a spectral filter with a spectral transmission band and at least a second portion of pixels arranged to receive light not transmitted from the spectral filter, wherein the biometric imaging arrangement is configured to acquire an image of an object and perform user authentication at least partly based on, in the acquired image, a relationship between the intensity of light received by the first portion of pixels and the intensity of light received by the second portion of pixels.