Slide pad system and method
First Claim
Patent Images
1. A method performed by a slide pad system, the method comprising:
- generating a first direction measurement using a first capacitance measurement;
generating a calibration measurement using a second capacitance measurement;
computing a first position using the first direction measurement and the calibration measurement;
generating a second direction measurement using a third capacitance measurement;
computing a second position using the second direction measurement and the calibration measurement; and
providing the first position and the second position to a host.
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Abstract
A method performed by a slide pad system is provided. The method includes generating a first direction measurement using a first capacitance measurement, generating a calibration measurement using a second capacitance measurement, and computing a first position using the first direction measurement and the calibration measurement. A system including a slide pad including a slide disk, a sense module, and a control module is also provided.
18 Citations
24 Claims
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1. A method performed by a slide pad system, the method comprising:
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generating a first direction measurement using a first capacitance measurement; generating a calibration measurement using a second capacitance measurement; computing a first position using the first direction measurement and the calibration measurement; generating a second direction measurement using a third capacitance measurement; computing a second position using the second direction measurement and the calibration measurement; and providing the first position and the second position to a host. - View Dependent Claims (2, 3)
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4. A system comprising:
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a first electrode disposed in a first plane; and a second electrode disposed in the first plane; a slide pad including a slide disk that includes a third electrode disposed in a second plane that is in parallel to the first plane; a sense module; and a control module; wherein the sense module is configured to provide first and second capacitance measurements associated with the position of the slide disk in the slide pad to the control module, wherein the second capacitance measurement represents a sum of the capacitances between the third electrode and the first and the second electrodes, wherein the control module is configured to generate a first direction measurement using the first capacitance measurement and the second capacitance measurement, and wherein the control module is configured to compute a first position using the first direction measurement. - View Dependent Claims (5, 6, 7)
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8. A method performed by a slide pad system that includes a slide disk, the method comprising:
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outputting first position information associated with the slide disk at a first time in response to an amount of pressure on the slide disk being below a first threshold; outputting second position information associated with the slide disk at a first time in response to the amount of pressure being above the first threshold and below a second threshold;
oroutputting third position information associated with the slide disk at a first time in response to the amount of pressure being above the second threshold, wherein the first position information indicates a first position of the slide disk at a second time that is prior to the first time, wherein the second position information indicates a second position of the slide disk at a third time that is subsequent to the second time, and wherein the third position information indicates a third position of the slide disk at a fourth time that is subsequent to the third time and prior to or the same as the first time. - View Dependent Claims (9, 10, 11)
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12. A system comprising:
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a slide pad including a slide disk; and a control unit; wherein the control unit is configured to provide first position information, second position information, or third position information to a host at a first time in response to an amount pressure applied to the slide disk, wherein the control unit is configured to provide the first position information in response to the amount of pressure applied to the slide disk being below a first threshold, wherein the control unit is configured to provide the second position information in response to the amount of pressure applied to the slide disk being above the first threshold and below a second threshold, and wherein the control unit is configured to provide the third position information in response to the amount of pressure applied to the slide disk being above the second threshold, and wherein the first position information indicates a first position of the slide disk in the slide pad at a second time that is prior to the first time, wherein the second position information indicates a second position of the slide disk in the slide pad at a third time that is subsequent to the second time, and wherein the third position information indicates a third position of the slide disk in the slide pad at a fourth time that is subsequent to the third time and prior to or the same as the first time. - View Dependent Claims (13, 14)
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15. A method performed by a slide pad system that includes a slide disk, the method comprising:
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detecting a first amount of pressure on the slide disk at a first time; outputting first position information associated with a first position of the slide disk subsequent to the first time and prior to a second time; detecting a second amount of pressure on the slide disk at the second time; subsequent to the second time, outputting second position information wherein the second position information is associated with a second position of the slide disk at a third time that is prior to the second time; and subsequent to outputting the second position information, outputting third position information wherein the third position information is associated with a third position of the slide disk at the second time. - View Dependent Claims (16, 17, 18, 19)
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20. A system comprising:
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a slide pad including a slide disk; and a control unit; wherein the control unit is configured to provide first position information associated with a first position of the slide disk in the slide pad to a host subsequent to a first time in which an amount pressure applied to the slide disk exceeds a first threshold, wherein the control unit is configured to provide second position information associated with a second position of the slide disk in the slide pad to the host subsequent to a second time at which either the amount of pressure applied to the slide disk falls below the first threshold or movement of the slide disk in the slide pad above a second threshold is detected, and wherein the control unit is configured to provide third position information associated with a third position of the slide disk in the slide pad at the second time subsequent to providing the second position information. - View Dependent Claims (21, 22, 23, 24)
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Specification