Patent ID: 7922675
Filing Date: 2011-04-12
Classification: A61H,H02M

Abstract:
1. A portable skin care device comprising an apparatus for maintaining and supplying stable power to a skin care device, comprising: a DC-DC converting unit for escalating the voltages from a charged battery power source; a skin-stimulating unit including at least one of a supersonic element and an ion-inducting element; a switch unit having a main switch and various functional switches; a liquid crystal displayer (LCD) for indicating a mode of operation of the portable skin care device; a control processing unit (CPU) for controlling each component; a voltage-measuring unit for measuring the voltage of said DC-DC converting unit; a switching element for controlling a pulse width according to a duty ratio signal from the CPU; and a heat-detecting unit and a safety control function for rapidly shutting off power when an unusual operation is detected due to overheating or an electric hazard.