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.

Date of Patent:
Jul. 02, 2019

Filed:

Mar. 31, 2016
Applicant:

Synaptics Incorporated, San Jose, CA (US);

Inventor:

Shubha Ramakrishnan, San Jose, CA (US);

Assignee:

SYNAPTICS INCORPORATED, San Jose, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/044 (2006.01); G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0414 (2013.01); G06F 3/0416 (2013.01); G06F 2203/04104 (2013.01);
Abstract

A processing system for a force sensing device, including: sensor circuitry that receives resulting signals from force sensors; and processing circuitry that: determines a first location of a first input object and a second location of a second input object on a surface; determines force values for the force sensors based on the resulting signals; obtains a first plurality of expected force values for the force sensors based on the first location and a second plurality of expected force values for the force sensors based on the second location; executes a first comparison of the first plurality of expected force values to the force values; executes a second comparison of the second plurality of expected force values to the force values; and determines, based on the first comparison and the second comparison, that the first input object is applying an input force to the surface.


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