Gesture recognition using multiple antenna
First Claim
Patent Images
1. A device configured to identify a micro-gesture associated with a target object, the device comprising:
- at least two antennas to transmit a plurality of outgoing radio frequency (RF) signals, each antenna configured to;
transmit a respective outgoing radio frequency (RF) signal of the plurality of outgoing RF signals; and
receive an incoming RF signal generated by at least one transmitted outgoing RF signal of the plurality of outgoing RF signals reflecting off the target object;
a digital signal processing component configured to;
process a first set of data originating from incoming RF signals to extract information about the target object, the information comprising a shape of the object corresponding to at least two points in time; and
a machine-learning component configured to;
receive the information extracted by the digital signal processing component; and
process the information to identify the micro-gesture.
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Abstract
Various embodiments wirelessly detect micro gestures using multiple antenna of a gesture sensor device. At times, the gesture sensor device transmits multiple outgoing radio frequency (RF) signals, each outgoing RF signal transmitted via a respective antenna of the gesture sensor device. The outgoing RF signals are configured to help capture information that can be used to identify micro-gestures performed by a hand. The gesture sensor device captures incoming RF signals generated by the outgoing RF signals reflecting off of the hand, and then analyzes the incoming RF signals to identify the micro-gesture.
528 Citations
20 Claims
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1. A device configured to identify a micro-gesture associated with a target object, the device comprising:
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at least two antennas to transmit a plurality of outgoing radio frequency (RF) signals, each antenna configured to; transmit a respective outgoing radio frequency (RF) signal of the plurality of outgoing RF signals; and receive an incoming RF signal generated by at least one transmitted outgoing RF signal of the plurality of outgoing RF signals reflecting off the target object; a digital signal processing component configured to; process a first set of data originating from incoming RF signals to extract information about the target object, the information comprising a shape of the object corresponding to at least two points in time; and a machine-learning component configured to; receive the information extracted by the digital signal processing component; and process the information to identify the micro-gesture. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for identifying a micro-gesture performed by a hand, the method comprising:
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transmitting a plurality of outgoing RF signals, each outgoing RF signal transmitted on a respective antenna of a plurality of antennas; capturing, at least two incoming RF signals generated by at least two outgoing RF signals of the plurality of outgoing RF signals reflecting off the hand; and processing the at least two captured incoming RF signals to identify the micro-gesture performed by the hand, the micro-gesture comprising a movement on a millimeter scale. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A device for detecting a micro-gesture performed by a hand, the device comprising:
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a gesture sensor component comprising; at least two antenna, each respective antenna associated with a respective transceiver path; at least one processor; one or more computer-readable storage devices; and one or more Application Programming Interfaces (APis) stored on the one or more computer-readable storage devices which, responsive to execution by the at least one processor, configure the gesture sensor component to detect the micro-gesture by causing the gesture sensor component to perform operations comprising; transmitting a plurality of outgoing radio frequency (RF) signals, each outgoing radio frequency (RF) signal being transmitted on a respective antenna of the at least two antenna; receiving at least two incoming RF signals originating from at least two outgoing RF signals of the plurality of outgoing RF signals reflecting off the hand; and processing the at least two RF signals to detect the micro-gesture by processing data from at least two respective transceiver paths, the micro-gesture comprising a relative movement between a portion of the hand and another portion of the hand. - View Dependent Claims (17, 18, 19, 20)
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Specification