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. 30, 2019
Filed:
Aug. 10, 2017
Acer Incorporated, New Taipei, TW;
Acer Incorporated, New Taipei, TW;
Abstract
A fingerprint sensing device, an electronic device, and a calibration method for a fingerprint sensor are provided. The calibration method includes following steps: obtaining an initial environment value while the fingerprint sensor performs initial environmental calibration, and determining whether the initial environment value is in a default environment range or not; determining whether the initial environment value is in one of a plurality of statistical ranges when the initial environment value is not in the default environment range, wherein each of the statistical ranges is obtained statistically by a plurality of fingerprint data of one of a plurality of categories; and, when the initial environment value is in a target statistical range, calibrating the fingerprint sensor according to a target value and an environment default value, wherein the target value corresponds to the target statistical range, and the environment default value corresponds to the default environment range.