Battery charger
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United States of America Patent
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-
Mar 25, 1997
Grant Date -
N/A
app pub date -
Nov 29, 1994
filing date -
Nov 29, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The battery charging system of the present invention charges the battery of a portable, multiple mode radiotelephone while the radiotelephone is operating. The radiotelephone generates a clock signal having varying on/off times dependent on the radiotelephone's mode. This mode can include an analog cellular mode or a digital cellular mode. The battery charger detects the clock signal's on/off times and changes the average charge current to compensate for one mode requiring a larger charge current.
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Family
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