Tail effect correction for SLIM pattern touch panels
First Claim
1. A device comprising:
- a sensor array comprising a plurality of receive (RX) electrodes and a plurality of transmit (TX) electrodes, wherein the plurality of RX electrodes and the plurality of TX electrodes are interleaved without intersecting each other within a touch-sensing area in a single layer on a substrate of the sensor array;
a sensor configured to measure a plurality of measurements from the sensor array, wherein the plurality of measurements are representative of a conductive object that is in contact with or proximate to the sensor array; and
a processing logic coupled with the sensor, wherein the processing logic is configured at least to;
determine a set of adjustment values that correspond to a tail effect associated with the conductive object represented by the plurality of measurements;
wherein adjustment values for a particular TX electrode are computed based on a sum of indices of RX electrodes along the particular TX electrode; and
generate adjusted measurements corresponding to the conductive object represented by the plurality of measurements based on the set of adjustment values, wherein the adjusted measurements correct the tail effect.
6 Assignments
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Accused Products
Abstract
Techniques for correcting tail effect are described herein. In an example embodiment, a device comprises a sensor coupled with a processing logic. The sensor is configured to measure a plurality of measurements from a sensor array, where the measurements are representative of a conductive object that is in contact with or proximate to the sensor array. The sensor array comprises RX electrodes and TX electrodes that are interleaved without intersecting each other in a single layer on a substrate of the sensor array. The processing logic is configured to determine a set of adjustment values that correspond to a tail effect associated with the measurements, and to generate adjusted measurements based on the set of adjustment values, where the adjusted measurements correct a parasitic signal change of the tail effect.
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Citations
20 Claims
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1. A device comprising:
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a sensor array comprising a plurality of receive (RX) electrodes and a plurality of transmit (TX) electrodes, wherein the plurality of RX electrodes and the plurality of TX electrodes are interleaved without intersecting each other within a touch-sensing area in a single layer on a substrate of the sensor array; a sensor configured to measure a plurality of measurements from the sensor array, wherein the plurality of measurements are representative of a conductive object that is in contact with or proximate to the sensor array; and a processing logic coupled with the sensor, wherein the processing logic is configured at least to; determine a set of adjustment values that correspond to a tail effect associated with the conductive object represented by the plurality of measurements; wherein adjustment values for a particular TX electrode are computed based on a sum of indices of RX electrodes along the particular TX electrode; and generate adjusted measurements corresponding to the conductive object represented by the plurality of measurements based on the set of adjustment values, wherein the adjusted measurements correct the tail effect. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method comprising:
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receiving a plurality of measurements that are measured from a sensor array, wherein the plurality of measurements are representative of a conductive object that is in contact with or proximate to the sensor array; wherein the sensor array comprises a plurality of receive (RX) electrodes and a plurality of transmit (TX) electrodes, wherein the plurality of RX electrodes and the plurality of TX electrodes are interleaved without intersecting each other within a touch-sensing area in a single layer on a substrate of the sensor array; a processing device determining a set of adjustment values that correspond to a tail effect associated with the conductive object represented by the plurality of measurements; wherein adjustment values for a particular TX electrode are computed based on a sum of indices of RX electrodes along the particular TX electrode; and generating adjusted measurements corresponding to the conductive object represented by the plurality of measurements based on the set of adjustment values, wherein the adjusted measurements correct the tail effect. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A system comprising:
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a capacitive sensor array comprising a plurality of receive (RX) electrodes and a plurality of transmit (TX) electrodes, wherein the plurality of RX electrodes and the plurality of TX electrodes are interleaved without intersecting each other within a touch-sensing area in a single layer on a substrate of the capacitive sensor array; a capacitive sensor coupled with the capacitive sensor array, the capacitive sensor configured to measure a plurality of measurements from the plurality of RX electrodes, wherein the plurality of measurements are representative of a conductive object that is in contact with or proximate to the capacitive sensor array; and a processing logic coupled with the capacitive sensor, wherein the processing logic is configured at least to; determine a set of adjustment values that correspond to a tail effect associated with the conductive object represented by the plurality of measurements; wherein adjustment values for a particular TX electrode are computed based on a sum of indices of RX electrodes along the particular TX electrode; and generate adjusted measurements corresponding to the conductive object represented by the plurality of measurements based on the set of adjustment values, wherein the adjusted measurements correct the tail effect. - View Dependent Claims (19, 20)
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Specification