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:
Nov. 24, 2015
Filed:
Jan. 27, 2014
Pixart Imaging Inc., Hsin-Chu, TW;
Wooi Kip Lim, Hsin-Chu, TW;
PixArt Imaging Inc., Science-Based Industrial Park, Hsin-Chu, TW;
Abstract
An amplifying circuit, which comprises: an amplifier, comprising a signal input terminal and a signal output terminal; a first current sinking module, for sinking a third current from the signal input terminal; and a noise sensing module, for sensing a output voltage level at the signal output terminal, for controlling the first current sinking module to sink the third current from the signal input terminal if the output voltage level is larger than a first high threshold value, and for controlling the first current sinking module not to sink the third current if the output voltage level is smaller than the first high threshold value.