METHOD AND APPARATUS FOR DATA TRANSMISSION VIA CAPACITANCE SENSING DEVICE
First Claim
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1. A method for operating a capacitance sensing device comprising:
- detecting a capacitive profile of an object proximate to the capacitance sensing device, the capacitive profile comprising first capacitance portions and second capacitance portions, wherein at least one of the second capacitance portions is between two of the first capacitance portions, a capacitance value of the first capacitance portions being greater than a capacitance value of the second capacitance portions; and
determining data associated with the object based on the capacitive profile of the object.
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Abstract
Embodiments described herein provide methods, devices, and systems for a touch sensor, or capacitive sensing device, interact with external objects. One method utilizes a capacitive profile on the external object. Another method involves the use of a capacitive sensor array for wireless communication.
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Citations
20 Claims
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1. A method for operating a capacitance sensing device comprising:
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detecting a capacitive profile of an object proximate to the capacitance sensing device, the capacitive profile comprising first capacitance portions and second capacitance portions, wherein at least one of the second capacitance portions is between two of the first capacitance portions, a capacitance value of the first capacitance portions being greater than a capacitance value of the second capacitance portions; and determining data associated with the object based on the capacitive profile of the object. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A capacitance sensing device comprising:
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an array of capacitive sensor elements; and a processing device coupled to the array of capacitive sensor elements, wherein the processing device is configured to; detect a capacitive profile of an object proximate to the array of capacitive sensor elements, the capacitive profile comprising first capacitance portions and second capacitance portions, wherein at least one of the second capacitance portions is between two of the first capacitance portions, a capacitance value of the first capacitance portions being greater than a capacitance value of the second capacitance portions; and determine data associated with the object based on the capacitive profile of the object. - View Dependent Claims (12, 13, 14, 15)
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16. A capacitance sensing device comprising:
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an array of capacitive sensor elements; and a controller coupled to the array of a capacitive sensor elements, the controller being configured to; detect a capacitive profile of an object proximate to the array of capacitive sensor elements, the capacitive profile comprising first capacitance portions and second capacitance portions, wherein at least one of the second capacitance portions is between two of the first capacitance portions, a capacitance value of the first capacitance portions being greater than a capacitance value of the second capacitance portions; and determine data associated with the object based on the capacitive profile of the object, and wherein the controller is further configured to at least one of; provide signals to the array of capacitive sensor elements such that the array of capacitive sensor elements transmit modulated signals ; and demodulate modulated signals received from the array of capacitive sensor elements. - View Dependent Claims (17, 18, 19, 20)
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Specification