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:
Jul. 23, 2019
Filed:
Sep. 25, 2017
Shenzhen Goodix Technology Co., Ltd., Shenzhen, CN;
SHENZHEN GOODIX TECHNOLOGY CO., LTD., Shenzhen, CN;
Abstract
A common mode noise processing apparatus is provided. The common mode noise processing apparatus includes s subtraction processing units (-to-) and one spectrum analysis module (); each of the subtraction processing units (-to-) includes two first input ports (-to--to-) connected to the subtractor, one subtractor (-to-) and one first output port (-to-) connected to the subtractor; the spectrum analysis module () includes s second input ports (-to-) connected to the s first output ports in one-to-one correspondence and at least one spectrum analysis unit () connected to the s second input ports (). The common mode noise processing apparatus may be capable of detecting a common mode noise in a signal for determining a location of a touch point, so as to reduce impact of the common mode noise on the signal.