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:
Feb. 12, 2019
Filed:
Apr. 18, 2017
Shenzhen Goodix Technology Co., Ltd., Shenzhen, CN;
Bo Tan, Shenzhen, CN;
Shenzhen Goodix Technology Co., Ltd., Shenzhen, CN;
Abstract
The present disclosure provides an output conversion circuit and a fingerprint identification system. The output conversion circuit includes: a comparator, a counter, and a reference signal generator, where the comparator includes: a first input end, configured to receive a first output signal; a second input end; and an output end, configured to generate a comparison output signal; the counter is connected to the output end of the comparator, and configured to generate a second output signal; and the reference signal generator is connected to the second input end, and configured to generate a reference signal, where the reference signal generator includes a random digit generator configured to generate a random digit, and the reference signal is associated with the random digit; where the comparator generates the comparison output signal according to the first output signal and the reference signal.