Power supply device
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United States of America Patent
Stats
-
Apr 28, 1998
Grant Date -
N/A
app pub date -
Jun 11, 1997
filing date -
May 9, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A power supply device including a casing, a cover plate covered on the casing, an electronic exchanging type power circuit assembly mounted in the casing and adapted for dropping DC voltage and changing AC voltage, a DC power plug and an AC power plug adapted for alternatively mounting on the top cover for connecting DC power supply from a socket for cigarette lighter of a car or AC power supply from an AC power supply outlet to the electronic exchanging type power circuit assembly, the cover plate having a rectangular top chamber extended to one end, DC terminals and AC terminals mounted in the rectangular top chamber and respectively connected to the electronic exchanging type power circuit assembly for receiving DC power supply through the DC power plug or AC power supply through the AC power plug, the casing having spring-supported stop means adapted for stopping the AC power plug or DC power plug in the rectangular top chamber of the cover plate.
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