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:
Jun. 06, 2023

Filed:

Feb. 25, 2022
Applicant:

Beijing Xiaomi Mobile Software Co., Ltd., Beijing, CN;

Inventor:

Ning Hao, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06V 40/13 (2022.01); G06V 40/12 (2022.01); G06F 21/32 (2013.01);
U.S. Cl.
CPC ...
G06V 40/1318 (2022.01); G06V 40/1365 (2022.01); G06F 21/32 (2013.01);
Abstract

A fingerprint unlocking method, includes obtaining a fingerprint image through an optical fingerprint sensor of an electronic device when a user performs fingerprint unlocking on the electronic device; obtaining an extended fingerprint image by performing fingerprint extending processing on the fingerprint image according to a preset curvature; and unlocking the electronic device if the extended fingerprint image matches a preset fingerprint image.


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