Object position detector with edge motion feature and gesture recognition
First Claim
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1. A method of generating a signal comprising:
- providing a capacitive touch sensor pad including a matrix of X and Y conductors;
developing capacitance profiles in one of an X direction and a Y direction from said matrix of X and Y conductors;
determining an occurrence of a single gesture through an examination of said capacitance profiles, said single gesture including an application of at least two objects on said capacitive touch sensor pad; and
generating a signal indicating the occurrence of said single gesture.
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Abstract
A method of generating a signal comprising providing a capacitive touch sensor pad including a matrix of X and Y conductors, developing capacitance profiles in one of an X direction and a Y direction from the matrix of X and Y conductors, determining an occurrence of a single gesture through an examination of the capacitance profiles, the single gesture including an application of at least two objects on the capacitive touch sensor pad, and generating a signal indicating the occurrence of the single gesture.
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Citations
7 Claims
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1. A method of generating a signal comprising:
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providing a capacitive touch sensor pad including a matrix of X and Y conductors;
developing capacitance profiles in one of an X direction and a Y direction from said matrix of X and Y conductors;
determining an occurrence of a single gesture through an examination of said capacitance profiles, said single gesture including an application of at least two objects on said capacitive touch sensor pad; and
generating a signal indicating the occurrence of said single gesture. - View Dependent Claims (2, 3)
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4. A capacitive sensor comprising:
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a matrix of X and Y conductors;
sensing circuitry coupled to each of said X and Y conductors and configured to generate outputs based on the capacitance of said X and Y conductors; and
an arithmetic unit coupled to said sensing circuitry and configured to develop a first capacitance profile in an X direction in response to said outputs of said sensing circuitry, and to determine an occurrence of a single gesture through an examination of said first capacitance profile, said single gesture including an application of at least two objects to said capacitive sensor. - View Dependent Claims (5, 6, 7)
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Specification