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:
Mar. 21, 2017
Filed:
Sep. 20, 2013
Synaptics Incorporated, San Jose, CA (US);
Joel Jordan, Sunnyvale, CA (US);
Synaptics Incorporated, San Jose, CA (US);
Abstract
Devices, systems, and methods are provided for coordinating the interaction between a touch screen controller and a display controller in an electronic device of the type including a host processor, a touch screen controller configured to acquire capacitive measurements from a touch screen, and a display controller configured to update a display at a refresh frequency and phase. The method includes: sharing a synchronization signal between the display controller and the host processor, the synchronization signal indicative of the refresh frequency and phase; polling the touch screen controller, by the host processor, based on the synchronization signal; and in response to the polling, acquiring the capacitive measurements by the touch screen controller at a sampling rate and phase determined by the refresh frequency and phase.