Power supply device for radio telephone system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 1, 2005
Grant Date -
N/A
app pub date -
Apr 11, 2000
filing date -
Jun 18, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention relates to a power supply device for a radio telephone system which can normally perform radio communication during power failure, by providing power of a battery disposed at a main body of the system or a wireless handset to the inside circuit of the main body, when direct current power is not supplied to the radio telephone system due to the power failure or the like.
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