Patents Assigned to Lotts Co. Ltd.
  • Advanced handable skin care device and operating method thereof
    Patent number: 8591437
    Abstract: An apparatus for maintaining and supplying stable power to a skin care device comprising a DC-DC converting unit (20) for escalating the voltages from a charged battery power source (1), a skin-stimulating unit (50) with a supersonic element or an ion-inducing element, a switch unit (30) having a main switch (SW1) and various functional switches, an LCD displayer (40) for indicating various operating modes, a CPU (2) for controlling each component, a main switch initiating unit having a function when the main switch (SW1) is turned on, the CPS is activated by a switching signal inputted to an analogue input port from said CPU, the first switch unit (31) is activated by the CPU through an analogue output port, then the FET (D4) is switched to supply battery power to the DC-DC-converting unit (20), and a function of the PWM control signal, which prolongs the switching-on stage for gradually increasing the voltage up to the operating voltage during the step-up stage, and inversely shortens the switching-off stag
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: November 26, 2013
    Assignee: Lotts Co. Ltd.
    Inventor: Hwan-Ho Shin
  • Advanced handable skin care device and operating method thereof
    Patent number: 8585619
    Abstract: An apparatus for maintaining and supplying stable power to a skin care device comprising a DC-DC converting unit (20) for escalating the voltages from a charged battery power source (1), a skin-stimulating unit (50) with a supersonic element or an ion-inducing element, a switch unit (30) having a main switch (SW1) and various functional switches, an LCD displayer (40) for indicating various operating modes, a CPU (2) for controlling each component, a main switch initiating unit having a function when the main switch (SW1) is turned on, the CPS is activated by a switching signal inputted to an analogue input port from said CPU, the first switch unit (31) is activated by the CPU through an analogue output port, then the FET (D4) is switched to supply battery power to the DC-DC-converting unit (20), and a function of the PWM control signal, which prolongs the switching-on stage for gradually increasing the voltage up to the operating voltage during the step-up stage, and inversely shortens the switching-off stag
    Type: Grant
    Filed: August 27, 2010
    Date of Patent: November 19, 2013
    Assignee: Lotts Co., Ltd., (CEO; Hwang, Seung-Young)
    Inventor: Hwan-Ho Shin