Battery charging device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 30, 2001
Grant Date -
Jun 7, 2001
app pub date -
Nov 30, 2000
filing date -
Dec 1, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A battery charging device includes a power supply coupler and a power receiver coupler. The power supply coupler includes a primary coil, a communication unit to communicate the power receiver coupler, a thermistor for detecting the temperature of the power supply coupler, and a communication interruption circuit for interrupting a communication signal when the predetermined value is detected by the thermistor. When the temperature of the power supply coupler exceeds the predetermined value, a signal is produced by the communication interruption circuit to prevent an excessive temperature rise in the power supply coupler. The signal may, for example, stop the supply of electric power to the power supply couple.
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