Battery backup system for appliances using wall transformers
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United States of America Patent
Stats
-
Apr 15, 2003
Grant Date -
N/A
app pub date -
Dec 31, 2001
filing date -
Dec 31, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Battery back up system is disclosed for powering a wall transformer when a power supply failure occurs. The system comprises a back up battery connectable to the wall transformer to provide power to the device powered by the wall transformer, upon a power interruption. The system may include an adaptor into which the backup battery and wall transformer may be connected. The adaptor may be connected to a conventional AC power source. Other embodiments of the invention allow a backup battery to be directly connected to the wall transformer.
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Family
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