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.:

US 9939969 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 10, 2018

Filed:

May. 08, 2015
Applicant:

Marvell World Trade Ltd., St. Michael, BB;

Inventors:

Hangjian Yuan, Shanghai, CN;

Hao Zhou, Shanghai, CN;

Bike Xie, San Jose, CA (US);

Kanke Gao, Fremont, CA (US);

Xudong Shen, Shanghai, CN;

Assignee:

MARVELL WORLD TRADE LTD., St. Michael, BB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/044 (2006.01); G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
G06F 3/044 (2013.01); G06F 3/0416 (2013.01);
Abstract

System and methods are provided for touch detection. An example system includes: a measurement unit configured to acquire capacitance measurement data from a touch panel; a pre-processing unit configured to detect whether a touch event occurs on the touch panel based at least in part on the capacitance measurement data and generate an activation signal in response to the detection of the touch event; and a microcontroller unit configured to be activated in response to the activation signal to perform post-processing operations related to the touch event.


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