Appliance retrofit monitoring device with a memory storing an electronic signature
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 23, 2005
Grant Date -
Sep 27, 2001
app pub date -
Jan 8, 2001
filing date -
Jan 7, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device monitors an appliance that receives power from a source. The device includes a first coupler that couples the device to the power source. A second coupler couples the device to the appliance. A monitoring circuit is connected to the first coupler and the second coupler to monitor power supplied by the source to the appliance. A communications circuit also is provided. The monitoring circuit provides data based on the monitored power to the communications circuit for output to the first coupler. The communications circuit may include a receiver that receives a signal from the first coupler to control the monitoring circuit. The communications circuit also may include a transceiver that receives a signal from the first coupler to control the monitoring circuit and to transmit monitored power data.
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Family
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