SYSTEM AND METHOD FOR DETECTING SHOCKS TO A FORCE-BASED TOUCH PANEL
First Claim
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1. A method for detecting a shock to a force-based touch panel, comprising:
- sensing a force applied to the touch panel using at least one force-sensor to obtain at least one force-sensor signal;
measuring an acceleration of the force-based touch panel to form an acceleration signal;
multiplying the at least one force-sensor signal with the acceleration signal to form a correlated shock signal;
inhibiting detection of a touch on the touch panel for a predetermined period when an amplitude of the correlated shock signal is greater than a selected threshold.
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Abstract
A system and method for detecting a shock to a force-based touch panel is disclosed. The system comprises at least one force sensor operable with the force-based touch panel to measure a force applied to the touch panel to provide at least one force sensor signal. An accelerometer is used to sense vibrational acceleration of the force-based touch panel to form an acceleration signal. A shock detector is used to inhibit detection of a touch event on the touch panel for a predetermined period when an amplitude of the correlated shock signal is greater than a selected threshold.
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Citations
19 Claims
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1. A method for detecting a shock to a force-based touch panel, comprising:
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sensing a force applied to the touch panel using at least one force-sensor to obtain at least one force-sensor signal; measuring an acceleration of the force-based touch panel to form an acceleration signal; multiplying the at least one force-sensor signal with the acceleration signal to form a correlated shock signal; inhibiting detection of a touch on the touch panel for a predetermined period when an amplitude of the correlated shock signal is greater than a selected threshold. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system for detecting a shock in a force-based touch panel, comprising:
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at least one force sensor operable with the force-based touch panel to measure a force applied to the touch panel to provide at least one force sensor signal; an accelerometer operable with the force-based touch panel to sense a vibrational acceleration of the force-based touch panel to form an acceleration signal; and a shock detector operable to inhibit detection of a touch event on the touch panel for a predetermined period when an amplitude of the correlated shock signal is greater than a selected threshold. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A system for inhibiting detection of a touch event during a shock event on a force-based touch panel, comprising:
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at least one force sensor operable with the force-based touch panel to measure a force applied to the touch panel to provide at least one force sensor signal; means for measuring an acceleration of the force-based touch panel to form an acceleration signal; means for multiplying the at least one force sensor signal with the acceleration signal to form a correlated shock signal; and means for inhibiting detection of a touch on the touch panel for a predetermined period when an amplitude of the correlated shock signal is greater than a selected threshold - View Dependent Claims (19)
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Specification