POWER SUPPLY DEVICE
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United States of America Patent
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Issued Date -
Sep 16, 2010
app pub date -
Apr 3, 2009
filing date -
Mar 13, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A power supply device for supplying power to an electronic device with an electronic tag includes a rectifying and voltage dividing apparatus, a power supply output module, a radio frequency identification (RFID) induction antenna, an RFID information processing module, and a control apparatus. The rectifying and voltage dividing apparatus is configured to rectify and divide an alternating current voltage to output a plurality of divided voltages. The RFID induction antenna is configured to receive information stored in the electronic tag. The RFID information processing module is configured to pick up a charging voltage value from the received information of the RFID induction antenna. The control apparatus is configured to compare the divided voltage values with the charging voltage value, and choose a divided voltage that equals to the charging voltage to provide to the electronic device.
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