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 9128554 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 08, 2015

Filed:

Aug. 30, 2013
Applicant:

Einar Fredriksen, Trondheim, NO;

Inventor:

Einar Fredriksen, Trondheim, NO;

Assignee:

Atmel Corporation, San Jose, CA (US);

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

In one embodiment, a method includes measuring two or more output signals, calculating a plurality of reconstructed values, and determining a position of an object relative to a touch sensor based at least on the plurality of reconstructed values. Each output signal is associated with one of two or more differential integrators. Each differential integrator includes first and second inputs connected to respective electrode tracks of the touch sensor and an output configured to generate the output signal proportional to a difference between signals received at the first and second inputs. The differential integrators are chained such that each electrode track is associated with a previous electrode track connected to the first input of the differential integrator whose second input is connected to the electrode track and a next electrode track connected to the second input of the differential integrator whose first input is electrically connected to the electrode track.


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