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:
Sep. 10, 2019
Filed:
Sep. 11, 2017
Shenzhen Goodix Technology Co., Ltd., Shenzhen, Guangdong, CN;
Wei Zhang, Guangdong, CN;
Shunzhan Li, Guangdong, CN;
SHENZHEN GOODIX TECHNOLOGY CO., LTD., Shenzhen, CN;
Abstract
For purposes of fingerprint identification, a fingerprint acquisition apparatus and method, a terminal device, and a method for controlling a screen to be on or off, are provided. The fingerprint acquisition apparatus includes: a fingerprint sensor, an optical sensor and a signal processing unit. The fingerprint sensor and the optical sensor connect to the signal processing unit, respectively. The optical sensor is configured to emit an optical signal and receive a reflected signal formed after reflection of the optical signal via a human finger. The signal processing unit is configured to activate the fingerprint sensor according to the reflected signal; and the fingerprint sensor is configured to acquire fingerprints of the human finger after being activated.