Multipoint sensing system
First Claim
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1. A method of sensing motion in an area comprising;
- connecting at least one sensor to an energy harvester including a controller,placing said at least one sensor in an area to be monitored for a parameter,receiving data from said at least one sensor as to a sensing of an occurrence of said parameter,placing said energy harvester close to an energy source to enable usage of said energy source andharvesting energy to power said sensor.
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Abstract
A self-powered energy harvesting unit/controller receives motion data from one or more self-powered sensors via low power wire. The energy harvesting unit sends signals wirelessly to a system to perform certain functions as a result of received motion signals or the absence of such motion signals.
25 Citations
14 Claims
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1. A method of sensing motion in an area comprising;
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connecting at least one sensor to an energy harvester including a controller, placing said at least one sensor in an area to be monitored for a parameter, receiving data from said at least one sensor as to a sensing of an occurrence of said parameter, placing said energy harvester close to an energy source to enable usage of said energy source and harvesting energy to power said sensor. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of sensing motion in an area comprising;
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connecting at least one sensor to a controller disposed in a housing, placing said at least one sensor in an area to be monitored for a parameter, providing an energy harvester on said housing, said controller receiving data from said at least one sensor as to a sensing of an occurrence of said parameter and placing said housing in a room near an energy source to enable said energy harvester to harvest energy to power said sensor, said energy being supplied by said energy harvester. - View Dependent Claims (14)
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8. A multipoint sensing system disposed near a light source for sensing a parameter, said system comprising:
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a single cable, a sensor connected to said cable, said sensor sensing the parameter, an energy harvester for harvesting energy from said light source, a housing for being disposed near said light source, said energy harvester being disposed on said housing, a controller disposed in said housing and connected to said cable, said controller utilizing energy from said energy harvester to power said sensor, to receive a first signal from said sensor as to an occurrence of the parameter, and to send a second signal to a location remote from said housing as a function of sensing the occurrence of the parameter. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification