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. 13, 2010
Filed:
Dec. 18, 2006
Ken K Foo, Gurnee, IL (US);
John W Kaehler, Lake Bluff, IL (US);
Pinky Yu, Grayslake, IL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A touchscreen display system () is provided which includes a touchscreen (), a touchscreen input detector (), a capacitive sensor driver (), and a display driver (). The touchscreen input detector () is coupled to a first layer () of the touchscreen () and determines a touchscreen () input in response to sensing tactile inputs during a sensing time interval (). The display driver () is coupled to a second layer () of the touchscreen () and provides a drive voltage () at a first voltage level to the plurality of optical shutter segments () during a first portion () of the sensing time interval () and maintains the drive voltage () at substantially zero volts during a second portion () of the sensing time interval (), the second portion () being greater than half of the sensing time interval ().