Object position detector with edge motion feature and gesture recognition
First Claim
Patent Images
1. A method for recognizing a tap gesture made on a touch-sensor pad in a touch-sensing system, including the steps of:
- detecting the occurrence of a tap gesture made by a tapping object in substantially the same position on the touch-sensor pad;
generating a tap signal indicating the occurrence of said tap gesture; and
generating X and Y information to cancel out any unintended lateral motion of said tapping object on said touch-sensor pad during said tap gesture.
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Abstract
Methods for recognizing gestures made by a conductive object on a touch-sensor pad and for cursor motion are disclosed. Tapping, drags, pushes, extended drags and variable drags gestures are recognized by analyzing the position, pressure, and movement of the conductive object on the sensor pad during the time of a suspected gesture, and signals are sent to a host indicating the occurrence of these gestures. Signals indicating the position of a conductive object and distinguishing between the peripheral portion and an inner portion of the touch-sensor pad are also sent to the host.
569 Citations
14 Claims
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1. A method for recognizing a tap gesture made on a touch-sensor pad in a touch-sensing system, including the steps of:
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detecting the occurrence of a tap gesture made by a tapping object in substantially the same position on the touch-sensor pad; generating a tap signal indicating the occurrence of said tap gesture; and generating X and Y information to cancel out any unintended lateral motion of said tapping object on said touch-sensor pad during said tap gesture. - View Dependent Claims (2, 3)
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4. A method for recognizing a tap gesture made on a touch-sensor pad in a touch-sensing system, including the steps of:
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detecting a presence of an object on the touch-sensor pad; comparing the amount of time said object is present on said touch-sensor pad with a reference amount of time; comparing the amount of motion made by said object while it is present on said touch-sensor pad with a reference amount of motion; generating a tap signal indicating the occurrence of said tap gesture if the amount of time said object is present on said touch-sensor pad is less than said reference amount of time and if the amount of motion made by said object while it is present on said touch-sensor pad is less than said reference amount of motion, and maintaining said signal for a predetermined period of time; and generating X and Y information to substantially compensate for any unintended lateral motion of said tapping object on said touch-sensor pad during said tap gesture. - View Dependent Claims (5, 6)
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7. A method for recognizing a tap gesture made on a touch-sensor pad in a touch-sensing system providing X and Y position information and Z pressure information to a host, including the steps of:
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detecting a presence of an object on the touch-sensor pad; comparing the amount of motion made by said object while it is present on said touch-sensor pad with a reference amount of motion; comparing the largest Z pressure occurring during said presence of said object with a reference amount of pressure; and generating a tap signal indicating the occurrence of said tap gesture if the amount of motion made by said object while it is present on said touch-sensor pad is less than said reference amount of motion and if the largest Z pressure occurring during said presence of said object is greater than said reference amount of pressure, and maintaining said signal for a predetermined period of time. - View Dependent Claims (8, 9, 10)
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11. A method for recognizing a gesture made on a touch-sensor pad in a touch-sensing system, including the steps of:
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detecting a presence of an object on the touch-sensor pad; comparing the amount of motion made by said object while it is present on said touch-sensor pad with a reference amount of motion; comparing the largest Z pressure occurring during said presence of said object with a reference amount of pressure; and generating a gesture signal indicating the occurrence of said gesture if the amount of motion made by said object while it is present on said touch-sensor pad is less than said reference amount of motion and if the largest Z pressure occurring during said presence of said object is greater than said reference amount of pressure, and maintaining said signal for a predetermined period of time. - View Dependent Claims (12, 13, 14)
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Specification