Invention Grant
US09594452B2 Synchronous timed orthogonal measurement pattern for multi-touch sensing on a touchpad
有权
用于触摸板上多触摸感测的同步定时正交测量图案
- Patent Title: Synchronous timed orthogonal measurement pattern for multi-touch sensing on a touchpad
- Patent Title (中): 用于触摸板上多触摸感测的同步定时正交测量图案
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Application No.: US14741292Application Date: 2015-06-16
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Publication No.: US09594452B2Publication Date: 2017-03-14
- Inventor: Keith L. Paulsen , Paul Vincent , Jared G. Bytheway
- Applicant: CIRQUE CORPORATION
- Applicant Address: US UT Salt Lake City
- Assignee: CIRQUE CORPORATION
- Current Assignee: CIRQUE CORPORATION
- Current Assignee Address: US UT Salt Lake City
- Agency: Morriss O'Bryant Compagni, PC
- Main IPC: G06F3/041
- IPC: G06F3/041 ; G06F3/044
Abstract:
A method for detecting multiple objects on a touchpad having a grid of orthogonal electrodes, wherein all drive electrodes are simultaneously stimulated, and then frequency or electrode coding is used to separate each electrode junction and produce a capacitance image of the touchpad surface in a single measurement sequence.
Public/Granted literature
- US20150286336A1 SYNCHRONOUS TIMED ORTHOGONAL MEASUREMENT PATTERN FOR MULTI-TOUCH SENSING ON A TOUCHPAD Public/Granted day:2015-10-08
Information query
