Apparatus and methods for detecting a conductive object at a location
DCFirst Claim
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1. A method comprising:
- determining capacitance variations of a first number of two or more sense elements of a touch screen device using a processing device to detect a presence of a conductive object on any one of a second number of three or more button areas of the touch screen device, wherein the first number of sense elements is less than the second number of button areas; and
recognizing an activation of one of the three or more button areas using the determined capacitance variations of the first number of two or more sense elements.
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Abstract
A method and apparatus to determine capacitance variations of a first number of two or more sense elements of a touch screen device. A processing device is configured to detect a presence of a conductive object on any one of a second number of three or more button areas of the touch screen device. The first number of sense elements is less than the second number of button areas. The processing device is further configured to recognize an activation of one of the three or more button areas using the determined capacitance variations of the first number of two or more sense elements.
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Citations
20 Claims
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1. A method comprising:
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determining capacitance variations of a first number of two or more sense elements of a touch screen device using a processing device to detect a presence of a conductive object on any one of a second number of three or more button areas of the touch screen device, wherein the first number of sense elements is less than the second number of button areas; and recognizing an activation of one of the three or more button areas using the determined capacitance variations of the first number of two or more sense elements. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An apparatus comprising
a processing device coupled to a first number of two or more sense elements of a touch screen device, wherein the processing device is configured to determine capacitance variations of the first number of two or more sense elements to detect a presence of a conductive object on any one of a second number of three or more buttons areas of the touch screen device, wherein the first number of sense elements is less than the second number of button areas, and wherein the processing device is configured to recognize an activation of one of the three or more button areas using the determined capacitance variations of the first number of two or more sense elements.
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17. A system comprising:
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a touch screen device comprising a first number of two or more sense elements and a second number of three or more button areas, wherein the first number of sense elements is less than the second number of button areas; and a processing device coupled to the touch screen device, wherein the processing device is configured to determine capacitance variations of the two or more sense elements of the touch screen device, and to recognize an activation of one of the three or more buttons areas using the capacitance variations of the two or more sense elements. - View Dependent Claims (18, 19, 20)
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Specification