Motion detecting method and device
First Claim
1. A motion detecting device configured to detect whether one or more movement events by at least one person, animal, door, or window have occurred, the motion detecting device comprises:
- a processing module configured to run on a computational unit; and
a sensing device comprising;
one or more pressure sensors configured to provide two or more pressure measurements; and
a transmitter electrically coupled to the one or more pressure sensors and configured to transmit the two or more pressure measurements to the computational unit,wherein;
the processing module is configured to use the two or more pressure measurements to determine whether the one or more movement events by the at least one person, animal, door, or window have occurred;
the sensing device is configured to be placed in at least one of ductwork of a heating, ventilation, and air conditioning system or an air handler of the heating, ventilation, and air conditioning system;
the processing module comprises;
a training module; and
an event detection module;
the training module is configured to correlate a first event of the one or more movement events with a first change in pressure and a second event of the one or more movement events with a second change in pressure; and
the event detection module is configured to use the two or more pressure measurements to identify a third event of the one or more movement events.
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Accused Products
Abstract
In some embodiments, a motion detecting device is configured to detect whether one or more movement events have occurred. The motion detecting device can include: (a) a processing module configured to run on a computational unit; and (b) a sensing device having: (1) one or more pressure sensors configured to provide two or more pressure measurements; and (2) a transmitter electrically coupled to the one or more pressure sensors and configured to transmit the two or more pressure measurements to the computational unit. The processing module is configured to use the two or more pressure measurements to determine whether the one or more movement events have occurred. The sensing device can be configured to be placed in at least one of ductwork of a heating, ventilation, and air conditioning system or an air handler of the heating, ventilation, and air conditioning system. Other embodiments are disclosed.
65 Citations
14 Claims
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1. A motion detecting device configured to detect whether one or more movement events by at least one person, animal, door, or window have occurred, the motion detecting device comprises:
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a processing module configured to run on a computational unit; and a sensing device comprising; one or more pressure sensors configured to provide two or more pressure measurements; and a transmitter electrically coupled to the one or more pressure sensors and configured to transmit the two or more pressure measurements to the computational unit, wherein; the processing module is configured to use the two or more pressure measurements to determine whether the one or more movement events by the at least one person, animal, door, or window have occurred; the sensing device is configured to be placed in at least one of ductwork of a heating, ventilation, and air conditioning system or an air handler of the heating, ventilation, and air conditioning system; the processing module comprises; a training module; and an event detection module; the training module is configured to correlate a first event of the one or more movement events with a first change in pressure and a second event of the one or more movement events with a second change in pressure; and the event detection module is configured to use the two or more pressure measurements to identify a third event of the one or more movement events. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
wherein; the computational unit comprises a receiver; the receiver of the computational unit is electrically coupled to the transmitter of the sensing device using the wire and is configured to receive the two or more pressure measurements over the wire.
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3. The motion detecting device of claim 1, wherein:
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the transmitter comprises a wireless transmitter; and the computational unit comprises; a wireless receiver configured to receive the two or more pressure measurements from the wireless transmitter.
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4. The motion detecting device of claim 1, wherein:
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one or more pressure sensors are configured to provide a first pressure measurement at a first time, a second pressure measurement at a second time, and a third pressure measurement at a third time; the first time is before the second time and the third time; the second time is before the third time; and the two or more pressure measurements comprise the first pressure measurement, the second pressure measurement, and the third pressure measurement.
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5. The motion detecting device of claim 4, wherein:
the processing module is configured to determine an occurrence of the one or more movement events by the at least one person, animal, door, or window at least in part by comparing the first pressure measurement, the second pressure measurement, and the third pressure measurement.
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6. The motion detecting device of claim 1, wherein:
the sensing device is configured to be disposed proximate to an air filter.
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7. The motion detecting device of claim 6, wherein:
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the air filter comprises; a first side through which an air flow enters the air filter; and a second side opposite the first side and through which the air flow exits the air filter; and the one or more pressure sensors comprise; a first pressure sensor disposed proximate to the first side of the air filter; and a second pressure sensor disposed proximate to the second side of the air filter.
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8. The motion detecting device of claim 7, wherein:
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the first pressure sensor of the one or more pressure sensors is configured to provide a first pressure measurement at substantially a first time; and the second pressure sensor of the one or more pressure sensors is configured to provide a second pressure measurement at substantially the first time.
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9. The motion detecting device of claim 1, wherein:
the processing module comprises; a communications module configured to communicate to a user.
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10. The motion detecting device of claim 1, wherein:
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the sensing device further comprises; one or more temperature sensors; and the sensing device is configured such that the one or more temperature sensors measure at least one temperature at the one or more pressure sensors; and the transmitter is electrically coupled to the one or more temperature sensors and is configured to transmit the at least one temperature at the one or more pressure sensors to the computational unit.
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11. The motion detecting device of claim 1, wherein:
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the sensing device further comprises; a controller; and one or more temperature sensors; the sensing device is configured such that the one or more temperature sensors measure at least one temperature at the one or more pressure sensors; and the controller is configured to calculate a temperature-compensated pressure value for each of the two or more pressure measurements using the at least one temperature at the one or more pressure sensors.
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12. A method of detecting movement by at least one person, animal, door, or window, the method comprising:
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training a movement detection system; performing two or more first measurements of air pressure in a duct of a heating, ventilation, and air conditioning system; transmitting the two or more first measurements of the air pressure; determining one or more first changes of the air pressure based on the two or more first measurements of the air pressure; and using results of the training the movement detection system to associate at least one of the one or more first changes of the air pressure with a first movement event by the at least one person, animal, door, or window; wherein; training the movement detection system comprises; performing two or more second measurements of the air pressure in the duct of the heating, ventilation, and air conditioning system; determining one or more second changes of the air pressure based on the two or more second measurements of the air pressure; and correlating the one or more second changes of the air pressure with one or more second movement events by the at least one person, animal, door, or window. - View Dependent Claims (13, 14)
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Specification