Hair drier
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United States of America Patent
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Mar 28, 2017
Issued Date -
N/A
app pub date -
Nov 6, 2014
filing date -
Feb 4, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A hair dryer is disclosed. The hair dryer includes a power supply for supplying electric power, a voltage detector for detecting a voltage of the electric power supplied from the power supply, a controller for controlling a driving speed of a motor in accordance with the voltage detected by the voltage detector, and a motor unit comprising first and second triacs to be selectively turned in accordance with the voltage detected by the voltage detector under a control of the controller, a rectifier to be turned on by a selected one of the first and second triacs, and the motor. The motor receives the voltage from the rectifier.
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