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US 10,147,456 B2Granted
Motion detection for A/V recording and communication devices
AssigneeAmazon Technologies, Inc.
InventorsChangsoo Jeong, Karim Tarazi
Life of this patent
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Abstract
Audio/video (A/V) recording and communication devices according to the present embodiments comprise a processor, a motion sensor, and a camera. In various embodiments, the A/V recording and communication devices are configured to reduce latency and/or to reduce false positive indications of motion.
Claims8
An audio/video (AN) recording and communication device comprising:
- one or more processors;
- a plurality of motion sensors;
- and
- memory storing instructions that, when executed by the one or more processors, cause the one or more processors to perform operations comprising:
- receiving, at a first time, one or more first signals generated by one or more of the plurality of motion sensors;
- determining a first number of the plurality of motion sensors that detected an object at the first time based at least in part on the one or more first signals;
- receiving, at a second time, one or more second signals generated by one or more of the plurality of motion sensors;
- determining a second number of the plurality of motion sensors that detected the object at the second time based at least in part on the one or more second signals;
- comparing the first number of the plurality of motion sensors to the second number of the plurality of the motion sensors;
- upon determining that the first number of the plurality of motion sensors is less than the second number of the plurality of motion sensors, generating an alert signal;
- and
- transmitting the alert signal to a client device.
9 more elements
An audio/video (A/V) recording and communication device comprising:
- one or more processors;
- a plurality of motion sensors;
- and
- memory storing instructions that, when executed by the one or more processors, cause the one or more processors to perform operations comprising:
- receiving, at a first time, one or more first signals generated by one or more of the plurality of motion sensors;
- determining a first number of the plurality of motion sensors that detected an object at the first time based at least in part on the one or more first signals;
- receiving, at a second time, one or more second signals generated by one or more of the plurality of motion sensors;
- determining a second number of the plurality of motion sensors that detected the object at the second time based at least in part on the one or more second signals;
- comparing the first number of the plurality of motion sensors to the second number of the plurality of the motion sensors;
- and
- upon determining that the first number of the plurality of motion sensors is greater than the second number of the plurality of motion sensors, refraining from generating an alert signal.
8 more elements
A method for an audio/video (A/V) recording and communication device including one or more processors, a first motion sensor, and a second motion sensor, the method comprising:
- receiving, at a first time, a first signal generated by the first motion sensor and a second signal generated by the second motion sensor;
- comparing the first signal and the second signal to a threshold value;
- receiving, at a second time, a third signal generated by the first motion sensor and a fourth signal generated by the second motion sensor;
- comparing the third signal and the fourth signal to the threshold value;
- upon determining that only one of the first signal or the second signal exceeds the threshold value, and both the third signal and the fourth signal exceed the threshold value, generating and transmitting a user alert to a client device;
- and
- upon determining that both the first signal and the second signal exceed the threshold value, and only one of the third signal or the fourth signal exceeds the threshold value, refraining from generating a user alert.
4 more elements
Dependencies are inferred from the claim text.