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US 8,022,367 B2Granted
Multipoint sensing system
AssigneeLiberty Hardware Mfg. Corp.
InventorsJohn Gerard Finch, Jian Xu
Life of this patent
Estimating the term…
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.
Claims14
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 and
- harvesting energy to power said sensor.
2 more elements
A method of sensing motion in an area comprising;
- 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.
2 more elements
A multipoint sensing system disposed near a light source for sensing a parameter, said system comprising:
- 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.
2 more elements
Dependencies are inferred from the claim text.