Optical wireless sensor network

Details Optical wireless sensor network Optical wireless sensor network

2009-01-12

2011-10-25

Nguyen, Tai T (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S588000, C340S539100, C340S589000, C398S118000, C398S128000, C398S135000, C398S140000, C398S159000

Reexamination Certificate

active

08044812

ABSTRACT:
A wireless sensor network including a receiver including a photodetector, and a sensor node that includes a sensor configured to sense a property, a transmitter configured to emit outgoing optical energy, the outgoing optical energy being indicative of the property, and a photodetector configured to harvest incoming optical energy and convert the incoming optical energy into electrical energy useful by the transmitter, wherein the photodetector of the receiver is positioned to receive the outgoing optical energy.

REFERENCES:
patent: 7593642 (2009-09-01), Loechner
patent: 2006/0133814 (2006-06-01), Hayashi
patent: 2010/0061734 (2010-03-01), Knapp

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