Network based electrical control system with distributed sensing and control
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United States of America Patent
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May 14, 2002
Issued Date -
N/A
app pub date -
Jan 26, 2001
filing date -
May 18, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electrical control system including a plurality of electrical devices communicates over a network and interfaces and works with non-protocol devices and signals that only send/receive an on/off digital signal or send/receive one of numerous analog signals. The devices communicate with one another over a network implemented using different types of media. The system includes the necessary user interfaces, network management system interfaces and displays to provision, administer, operate and maintain the electrical device network. The system is particularly suited for lighting control applications to control the lights and/or other electrical loads within an office, building, room or home by motion detection, ambient light sensing, switching functions, dimming functions, temperature sensing functions and humidity sensing functions. Most devices are equipped to put the device in an ON, OFF, or AUTO mode.
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