Wireless communication system for air distribution system
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United States of America Patent
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Feb 14, 1995
Grant Date -
N/A
app pub date -
Oct 1, 1991
filing date -
Oct 1, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
A hierarchical control system including a central receiver; a first communications medium operably connecting the central receiver to at least one controller; and a controller operably connected to the central receiver by the first communications medium. The system also includes a sensor for sensing conditions; a second communication medium; and a transmitter for transmitting the sensed conditions from the sensor to the central receiver via the second communications medium. The central receiver also includes receiver for receiving transmissions on the second communications medium and a transmitter for retransmitting the transmissions on the first communications medium.
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