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.

Date of Patent:
May. 21, 2024

Filed:

Feb. 08, 2022
Applicant:

Fingerprint Cards Anacatum Ip Ab, Gothenburg, SE;

Inventors:

Ping-Liang Chen, Hsinchu, TW;

Andreas Larsson, Herrljunga, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06V 40/13 (2022.01); G11C 11/419 (2006.01);
U.S. Cl.
CPC ...
G06V 40/1306 (2022.01); G11C 11/419 (2013.01);
Abstract

A fingerprint sensing system comprising a plurality of conductive selection lines; a plurality of conductive read-out lines crossing the selection lines; selection circuitry controllable to provide a selection signal on at least one selected selection line in the plurality of selection lines; a plurality of pixel elements formed at intersections between the selection lines and the read-out lines; current providing circuitry coupled to the read-out lines and controllable to generate a current pulse in at least one of the read-out lines when reading out a sensing signal from each of the pixel elements.


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