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:
May. 21, 2019
Filed:
Apr. 05, 2017
Shenzhen Goodix Technology Co., Ltd., Guangdong, CN;
Junjun Zhang, Guangdong, CN;
SHENZHEN GOODIX TECHNOLOGY CO., LTD., Shenzhen, CN;
Abstract
A fingerprint recognition system and method are disclosed. The fingerprint recognition system includes: a fingerprint recognition apparatus, a detection electrode, and a contact detection apparatus. The contact detection apparatus includes: an analog to digital converter configured to charge and discharge the detection electrode and to detect a capacitance value of the detection electrode; a determining module configured to determine whether the detection electrode is touched by a finger according to the capacitance value, and to generate finger touch information when determining that the finger touches the detection electrode to start the fingerprint recognition apparatus to perform fingerprint recognition.