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:
Aug. 30, 2016
Filed:
Mar. 17, 2014
Shanghai Avic Optoelectronics Co., Ltd., Shanghai, CN;
Tianma Micro-electronics Co., Ltd., Shenzhen, CN;
Zhifeng Zhu, Shanghai, CN;
Xupeng Wang, Shanghai, CN;
Baolei Guo, Shanghai, CN;
Shanrong Wang, Shanghai, CN;
Xiaoyuan Ding, Shanghai, CN;
Shanghai AVIC OPTO Electronics Co., Ltd., Shanghai, CN;
Tianma Micro-Electronics Co., Ltd., Shenzhen, CN;
Abstract
A touch scanning method includes, in the absence of a touch, performing a coarse scanning on the touch screen, and in the presence of a touch, performing a fine scanning on a full detection-activated region containing a touch point while performing the coarse scanning on the remaining region other than the full detection-activated region. During coarse scanning, in first M frames of M+N successive frames, drive lines spaced apart from one another by at least one of the drive lines are driven, and sense lines spaced apart from one another by at least one of the sense lines are detected. In the succeeding N frames of the M+N frames, there is no activity in the drive and sense lines. During the fine scanning, each drive line and each sense line within the full detection-activated region is driven and detected, respectively.