Detection of type of object used to provide a touch contact input
First Claim
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1. A system, comprising:
- a signal output interface configured to;
send an output signal to be used to propagate a propagating signal through a propagating medium with a touch input surface, wherein the propagating signal has been allowed to propagate through the propagating medium to a plurality of receivers coupled to the propagating medium; and
a processor configured to;
receive a received signal affected by a touch input object contacting the touch to input surface, wherein the received signal includes a signal portion that corresponds to the propagating signal that has been disturbed by the touch input object;
compare at least a portion of the received signal with one or more reference signals of one or more touch input object types, wherein comparing at least the portion of the received signal with the one or more reference signals of the one or more touch input is object types includes comparing with the one or more reference signals of the one or more touch input object types at least a portion of the signal portion of the received signal that corresponds to the propagating signal that has been disturbed by the touch input object; and
determine based at least in part on the comparison a location of the touch input object contacting the surface.
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Abstract
A signal to be used to propagate a propagating signal through a propagating medium with a touch input surface is sent. The propagating signal has been allowed to propagate through the propagating medium to a plurality of receivers coupled to the propagating medium. A received signal affected by a touch input object contacting the touch input surface is received. At least a portion of the received signal is compared with one or more reference signals of one or more touch input object types.
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Citations
20 Claims
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1. A system, comprising:
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a signal output interface configured to; send an output signal to be used to propagate a propagating signal through a propagating medium with a touch input surface, wherein the propagating signal has been allowed to propagate through the propagating medium to a plurality of receivers coupled to the propagating medium; and a processor configured to; receive a received signal affected by a touch input object contacting the touch to input surface, wherein the received signal includes a signal portion that corresponds to the propagating signal that has been disturbed by the touch input object; compare at least a portion of the received signal with one or more reference signals of one or more touch input object types, wherein comparing at least the portion of the received signal with the one or more reference signals of the one or more touch input is object types includes comparing with the one or more reference signals of the one or more touch input object types at least a portion of the signal portion of the received signal that corresponds to the propagating signal that has been disturbed by the touch input object; and determine based at least in part on the comparison a location of the touch input object contacting the surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method, comprising:
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sending an output signal to be used to propagate a propagating signal through a propagating medium with a touch input surface, wherein the propagating signal has been allowed to propagate through the propagating medium to a plurality of receivers coupled to the propagating medium; and receiving a received signal affected by a touch input object contacting the touch input surface, wherein the received signal includes a signal portion that corresponds to the propagating signal that has been disturbed by the touch input object; using a processor to compare at least a portion of the received signal with one or more reference signals of one or more touch input object types, wherein comparing at least the portion of the received signal with the one or more reference signals of the one or more touch input object types includes comparing with the one or more reference signals of the one or more touch input object types at least a portion of the signal portion of the received signal that corresponds to the propagating signal that has been disturbed by the touch input object; and determining based at least in part on the comparison a location of the touch input object contacting the surface. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A computer program product, the computer program product being embodied in a non-transitory computer readable storage medium and comprising computer instructions for:
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sending an output signal to be used to propagate a propagating signal through a propagating medium with a touch input surface, wherein the propagating signal has been allowed to propagate through the propagating medium to a plurality of receivers coupled to the propagating medium; and receiving a received signal affected by a touch input object contacting the touch input surface, wherein the received signal includes a signal portion that corresponds to the propagating signal that has been disturbed by the touch input object; comparing at least a portion of the received signal with one or more reference signals of one or more touch input object types, wherein comparing at least the portion of the received signal with the one or more reference signals of the one or more touch input object types includes comparing with the one or more reference signals of the one or more touch input object types at least a portion of the signal portion of the received signal that corresponds to the propagating signal that has been disturbed by the touch input object; and determining based at least in part on the comparison a location of the touch input object contacting the surface.
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Specification