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:
Jun. 28, 2022
Filed:
May. 10, 2021
Novatek Microelectronics Corp., Hsinchu, TW;
Min Huang, Taoyuan, TW;
NOVATEK Microelectronics Corp., Hsinchu, TW;
Abstract
A control method for fingerprint sensing includes following steps. First fingerprint brightness codes detected in reference with a ramp-counting variable varying in a full range are received during a pre-scanning phase. An initial code is generated according to a distribution of the first fingerprint brightness codes. The initial code is applied to the ramp-counting variable during a normal scanning phase for detecting second fingerprint brightness codes in reference with the ramp-counting variable varying in a partial range. A boundary of the partial range is determined according to the initial code. A control circuit is also disclosure.