Abstract: A docking control system for a vehicle and a building and a method therefor, includes a plurality of sensors including a vehicle sensor and a gate sensor, and a controller, when a vehicle approaches a gate, which controls the plurality of sensors to set amount of movement of the vehicle, to move the gate so that a vehicle door and the gate are brought into close contact with each other, and when positional satisfaction between the vehicle door and the gate is achieved, which opens the vehicle door and the gate so that an indoor space of the vehicle and an indoor space of the building are connected each other into one space.

Abstract: A vehicle body frame includes a lower frame fixed to a floor of a vehicle to define a lower region of an internal space in the vehicle, a roof frame connected to an upper portion of the lower frame to define an upper region of the internal space, configured to slid in a vertical direction of the vehicle with respect to the lower frame, to expand the internal space upwards when the roof frame slides upwards, a lower door frame forming a lower portion of a vehicle door, and an upper door frame connected to the lower door frame to form an upper portion of the vehicle door, and configured to slid together with the roof frame to expand the vehicle door upwards when the roof frame slides upwards.

Abstract: A method for preparing a zinc ferrite-based catalyst according to an embodiment of the present application comprises the steps of: contacting a metal precursor solution including a zinc precursor, a ferrite precursor, an acid solution and water with a basic aqueous solution to obtain a precipitate; and filtering and thereafter drying and calcining the precipitate, wherein the acid solution includes one or more of nitric acid (HNO3) and hydrocarbon acid.

Abstract: A coated cutting tool having excellent wear resistance and controlled brittleness is provided. An embodiment of the present disclosure provides a coated cutting tool including: a substrate; and a cutting layer disposed on the substrate, wherein: the cutting layer includes a brittleness suppressing layer and a wear-resistant layer disposed on the brittleness suppressing layer; the substrate includes a hard alloy body such as cemented carbide, cermet, ceramic, cubic boron nitride-based materials, or high-speed steel; the brittleness suppressing layer includes a first layer and a second layer disposed on the first layer; the first layer and the second layer each independently includes any one of (AlbTi1-b)X (where 0.6<b<0.8, and X is at least one selected from N, C, CN, NO, CO, and CNO) and (TicAl1-c)X (where 0.4<c?0.5, and X is at least one selected from N, C, CN, NO, CO, and CNO); and the first layer and the second layer include materials different from each other.

Abstract: A gate driving circuit may include: a bias unit receiving an input signal having preset high and low signal levels, including a first N-MOSFET turned on in the case in which the input signal has the high level and a first P-MOSFET turned on in the case in which the input signal has the low level, and supplying bias powers by the turning-on of the first N-MOSFET and the first P-MOSFET; and an amplifying unit including a second N-MOSFET turned on by receiving the bias power supplied from the first N-MOSFET in the case in which the input signal has the high level and a second P-MOSFET turned on by receiving the bias power supplied from the first P-MOSFET turned on in the case in which the input signal has the low level and providing a gate signal depending on the turning-on of the second N-MOSFET and the second P-MOSFET.

Abstract: Disclosed herein are a start-up circuit capable of reducing a leakage current to reduce power consumption, and a power device using the same. The start-up circuit includes: a bias unit connected between a first power source and a second power source and allowing a first current to flow from the first power source to the second power source according to a predetermined voltage; a first start unit connected to the bias unit and driving a second current to apply the predetermined voltage to the bias unit, and stopping driving the second current when a voltage received from the second power source reaches a first voltage; and a second start unit connected to the bias unit and driving a third current, the predetermined voltage being applied to the bias unit by the third current, and stopping driving the third current upon receiving a stop signal.

Abstract: A light emitting diode driving apparatus may include: a light emitting diode emitting light by receiving rectified power; a driver driving the light emitting diode based on a voltage level of the rectified power; and a controller limiting an operation of the driver based on a voltage applied to the driver and a hysteresis reference value.

Abstract: The present invention relates to an average current controller, an average current control method and a buck converter using the average current controller. The average current controller includes a first comparator for generating a high H signal, a multivibrator for generating a TAVG pulse signal by receiving a high H signal outputted from the first comparator, a timing generator for generating a signal CH_ON to charge/discharge a capacitor by using at least the TAVG pulse signal, an integrator circuit unit for charging/discharging the capacitor, a second comparator for outputting a corresponding signal, an up/down counter for increasing or decreasing a counting value and a digital/analog converter for outputting by converting an output (digital signal) of the up/down counter into an analog signal.

Abstract: A light emitting diode (LED) driving apparatus includes a power converting unit and a driving controlling unit. The power converting unit switches input power to supply driving power to at least one LED. In one example, the driving controlling unit controls the supplying of the power based on a switching period of the power converting unit and a demagnetization time in the switching period. In another example, the driving controlling unit controls the supplying of the power based on the input power, a switching period of the power converting unit, and a drain voltage by the switching.

Abstract: Disclosed herein are a start-up circuit capable of reducing a leakage current to reduce power consumption, and a power device using the same. The start-up circuit includes: a bias unit connected between a first power source and a second power source and allowing a first current to flow from the first power source to the second power source according to a predetermined voltage; a first start unit connected to the bias unit and driving a second current to apply the predetermined voltage to the bias unit, and stopping driving the second current when a voltage received from the second power source reaches a first voltage; and a second start unit connected to the bias unit and driving a third current, the predetermined voltage being applied to the bias unit by the third current, and stopping driving the third current upon receiving a stop signal.

Abstract: There are provided a light emitting diode (LED) driving apparatus and an LED lighting apparatus, in which a common detection resistor detecting a current flowing in each LED is used. According to exemplary embodiments of the present disclosure, manufacturing costs and a circuit area may be reduced by commonly using a common detection resistor detecting a current flowing in each of the LEDs.

Abstract: Disclosed herein are a PWM control circuit, a flyback converter, and a PWM control method. The PWM control circuit includes: a peak storing and reference signal generating unit storing a peak value of one period of a feedback signal from a secondary side output and inverting the peak signal and outputting the inverted peak signal as a reference signal; and a PWM control signal generating unit generating a PWM control signal by using an output obtained by comparing the reference signal with a reference waveform from the peak storing and reference signal generating unit. In addition, the flyback converter including the same and the method for controlling PWM are proposed.

Abstract: There is provided an illumination driving apparatus for a light emitting diode, the apparatus including: a light emitting unit including M number of light emitting diodes (LEDs) connected in series and driven by an output voltage rectified in a rectifying unit; an LED switch unit including N number of LED switches connected in parallel with at least N number of the M LEDs, respectively, and connected in series; an LED switch control signal generating unit comparing the output voltage of the rectifying unit with each of the first to Nth preset reference voltages to generate N number of LED switch control signals controlling the LED switch unit; and an LED switch controlling unit transferring the N number of LED switch control signals to the LED switch unit.

Abstract: There are provided a light emitting diode (LED) driving apparatus and an LED lighting apparatus, in which a common detection resistor detecting a current flowing in each LED is used. According to exemplary embodiments of the present disclosure, manufacturing costs and a circuit area may be reduced by commonly using a common detection resistor detecting a current flowing in each of the LEDs.

Abstract: There is provided an apparatus for driving a light emitting diode (LED), capable of distributing current stress applied to the LED. The apparatus includes an LED part including a plurality of LED units respectively including at least one LED, the plurality of LED units being connected in parallel to a power input terminal to which rectified power in sine wave form is supplied, and, among the plurality of LED units connected in parallel, a termination end of the LED unit in a front end being connected to a middle of an adjacent LED unit; and a current source unit including a plurality of current sources respectively connected to termination ends of the plurality of LED units and allowing corresponding current to flow through the plurality of LED units.

Abstract: There is provided an integrated circuit controlling a power supply, the integrated circuit including: an HV pin obtaining startup power; a voltage dividing unit connected to the HV pin; and an input voltage detecting unit detecting an input voltage through voltage distribution by the voltage dividing unit. The integrated circuit may be capable of reducing manufacturing costs by omitting a separate voltage sensing pin.

Abstract: A light emitting diode (LED) driving apparatus may include: a power converting unit switching input power to supply driving power to at least one LED; and a driving controlling unit controlling the supplying of the power of the power converting unit based on a switching period of the power converting unit and a demagnetization time in the switching period.

Abstract: There is provided a light emitting diode (LED) driver including: a power supplying unit including a dimmer and a rectifying unit and supplying a supply voltage to an LED device; and a control unit acquiring section information regarding the supply voltage and setting an LED on-time based on the section information.

Abstract: A gate driving circuit may include: a bias unit receiving an input signal having preset high and low signal levels, including a first N-MOSFET turned on in the case in which the input signal has the high level and a first P-MOSFET turned on in the case in which the input signal has the low level, and supplying bias powers by the turning-on of the first N-MOSFET and the first P-MOSFET; and an amplifying unit including a second N-MOSFET turned on by receiving the bias power supplied from the first N-MOSFET in the case in which the input signal has the high level and a second P-MOSFET turned on by receiving the bias power supplied from the first P-MOSFET turned on in the case in which the input signal has the low level and providing a gate signal depending on the turning-on of the second N-MOSFET and the second P-MOSFET.

Abstract: A light emitting diode driving apparatus may include a power supplying unit receiving phase-controlled power and supplying operation power having a preset level, a driving unit receiving the operation power from the power supplying unit to drive a light emitting diode unit receiving the phase-controlled power, and a noise current limiting unit decreasing a noise current due to a parasitic capacitance component of the driving unit.