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. 12, 2022
Filed:
Dec. 16, 2020
Novatek Microelectronics Corp., Hsinchu, TW;
Jung-Chen Chung, Zhubei, TW;
Chi-Ting Chen, Hsinchu, TW;
NOVATEK MICROELECTRONICS CORP., Hsinchu, TW;
Abstract
A method for fingerprint sensing of an electronic module capable of fingerprint sensing, the electronic module for being coupled to a plurality of fingerprint sensing pixels, the electronic module including an analog front-end stage for being coupled to the fingerprint sensing pixels, the method comprising the following steps. A first scanning operation is performed on at least a first portion of the fingerprint sensing pixels by using a first reference signal being applied to a reference terminal of the analog front-end stage to obtain a level of a second reference signal which is based on a sensing result of the first scanning operation and is different from the first reference signal. A second scanning operation is performed on at least a second portion of the fingerprint sensing pixels by using the second reference signal being applied to the reference terminal of the analog front-end stage.