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:
Mar. 09, 2021

Filed:

Jan. 11, 2019
Applicants:

Nxp B.v., Eindhoven, NL;

Suresh Phadtare, Akkalkot, IN;

Inventors:

Thomas Suwald, Hamburg, DE;

Milind Phadtare, Bangalore, IN;

Dillip Kumar Routray, Bangalore, IN;

Assignee:

NXP B.V., Eindhoven, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); H01L 27/02 (2006.01); G06F 21/32 (2013.01); G06Q 20/40 (2012.01);
U.S. Cl.
CPC ...
G06K 9/0002 (2013.01); G06F 21/32 (2013.01); G06K 9/00053 (2013.01); H01L 27/0248 (2013.01); G06Q 20/40145 (2013.01);
Abstract

In accordance with a first aspect of the present disclosure, a fingerprint sensing device is provided, comprising a plurality of sensor cells, wherein each sensor cell comprises: at least one sense plate and a discharge electrode insulated from the sense plate; a first discharge path for discharging a first static electricity charge to a first electric potential terminal; a second discharge path for discharging a second static electricity charge to a second electric potential terminal; a charge reservoir coupled between the first electric potential terminal and the second electric potential terminal. In accordance with a second aspect of the present disclosure, a corresponding method of producing a fingerprint sensing device is conceived.


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