Abstract: A positive active material for a rechargeable lithium battery including a core including at least one selected from a nickel-based composite oxide represented by Chemical Formula 1 or a lithium manganese oxide represented by Chemical Formula 2; and a coating layer on a surface of the core and including a lithium metal oxide represented by Chemical Formula 3, the positive active material having a peak at a 2? value of about 19° to about 22° and another peak at a 2? value of about 40° to about 45° in an X-ray diffraction pattern using a CuK? ray, is disclosed. A method of preparing the same, and a rechargeable lithium battery including the same, are also disclosed. LiNixCoyMn1-x-yO2??Chemical Formula 1 LiaMnbOc??Chemical Formula 2 Li2MO3??Chemical Formula 3 In Chemical Formulae 1 to 3, x, y, a, b, c, and M are the same as in the detailed description.

Abstract: A head mounted display and a method of displaying a content using the head mounted display are disclosed. The head mounted display is disclosed which includes: a display unit displaying a content; and a first lens unit configured by a set of lens elements that refract the content displayed on the display unit in an eyeball direction.

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 rechargeable battery includes: a case; a first electrode assembly accommodated in the case; and second and third electrode assemblies accommodated in the case at positions adjacent to the case with the first electrode assembly being disposed therebetween. The second and third electrode assemblies have thicknesses different from that of the first electrode assembly.

Abstract: The present invention relates to a PFC control circuit, an active PFC circuit, and a PFC control method. According to an embodiment of the present invention, a PFC control circuit including: an inductor current sensing unit for sensing an inductor current of a PFC circuit; an output voltage feedback unit for outputting a feedback output signal; a sensing and feedback signal application unit for outputting a sensing voltage signal during switching duty on of the PFC circuit and adding the feedback output signal to the sensing voltage signal to output the added signal during switching duty off of the PFC circuit; and a PFC control unit for generating a comparison signal and generating a duty control signal from the comparison signal and a first reference signal to make variations due to an internal offset be removed or reduced is provided.

Abstract: A Universal Serial Bus (USB) apparatus for USB communication is provided. The USB apparatus includes a Printed Circuit Board (PCB) including a circuit for communicating data with an external device according to a USB communication standard, a connector for connecting to a USB terminal of the external device, and a noise reduction circuit connected between an output terminal of the PCB and the connector for reducing noise of a data signal. The noise reduction circuit includes a common-mode filter for removing harmonic components generated between a ‘+’ data signal and a ‘?’ data signal and passing the ‘+’ data signal and the ‘?’ data signal, which operate in a differential mode.

Abstract: Disclosed herein is a driving cab for tractors. A hollow part is provided in a bottom plate of the driving cab, and a hollow shaft is provided in the bottom plate so as to be rotatable around the hollow part. A driver seat, an implement control device and a movement control device are fixed to the hollow shaft, so that the driver seat, the implement control device and the movement control device can be rotated along with the hollow shaft. Thereby, the implement control device and the movement control device along with the driver seat can be easily turned in a desired direction. When the tractor is required to be moved forwards or backwards, the implement control device and the movement control device along with the driver seat can face in the direction in which the tractor moves, so that the driver can easily control movement of the tractor.

Abstract: The present invention provides a tractor which is configured such that front wheel axles are disposed above upper portions of front wheels so that the front wheels are prevented from being impeded by the front wheel axles even when the front wheels are steered to maximum angles in a clockwise or counterclockwise direction and turned to an angle over or approximate to a right angle with respect to the longitudinal direction of the tractor, whereby the tractor can be turned in place by manipulating a steering wheel.

Abstract: A logic device may include a first functional block, the first functional block including, a first storage block, a second storage block, and a first function controller. In a first operation time period, the first function controller may be configured to receive a first configuration selection signal and a first configuration command signal that instructs a first function be configured, select the first storage block as a configured storage block in the first operation time period based on the first configuration selection signal, and configure the first function in the first storage block based on the first configuration command signal.

Abstract: A composite precursor represented by Formula 1, a composite prepared therefrom represented by Formula 2, a method of preparing a composite precursor and a composite, a positive electrode for lithium secondary battery including the same, and a lithium secondary battery employing the same. aMn3O4-bM(OH)2??Formula 1 wherein in Formula 1, 0<a?0.8, 0.2?b<1 and M is at least one metal selected from the group consisting of titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron, (Fe), cobalt (Co), nickel (Ni), copper (Cu), aluminum (Al), magnesium (Mg), zirconium (Zr), and boron (B) aLi2MnO3-bLiyMO2??Formula 2 wherein in Formula 2, 0?a?0.6, 0.4?b?1 1.0?y?1.05, and M is at least one metal selected from the group consisting of Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Al, Mg, Zr, and B.

Abstract: A substrate-less interposer for a stacked silicon interconnect technology (SSIT) product, includes: a plurality of metallization layers, at least a bottom most layer of the metallization layers comprising a plurality of metal segments, wherein each of the plurality of metal segments is formed between a top surface and a bottom surface of the bottom most layer of the metallization layers, and the metal segments are separated by dielectric material in the bottom most layer; and a dielectric layer formed on the bottom surface of the bottom most layer, wherein the dielectric layer includes one or more openings for providing contact to the plurality of metal segments in the bottom most layer.

Abstract: An electron collector structure and a lithium battery including the same are disclosed. The electron collector structure includes a conductive thin film; and a graphene layer that is coated on the surface of the conductive thin film and may improve the electrical conductivity of an electrode plate. As an electrode of the lithium battery includes the electron collector structure, the electrical conductivity of the electrode may be increased so that the energy consumption properties as well as the lifespan characteristics of the lithium battery may be also improved.

Abstract: A cathode active material, a preparation method thereof, and a cathode for a lithium secondary battery and a lithium secondary battery including the cathode active material, wherein the cathode active material includes a core active material represented by Formula 1 below; and a coating layer formed on a surface of the core active material, the coating layer including lithium gallium oxide: Lia(A1-x-yBxCy)O2 ??Formula 1 In Formula 1, a, x, y, A, B, and C are defined in the detailed description.

Abstract: A positive active material for a rechargeable lithium battery includes a lithium composite metal oxide represented by Chemical Formula 1. A method of preparing the positive active material includes adding a lithium metal oxide represented by Chemical Formula 2 to a Zr salt-containing solution to obtain a mixed solution, drying the mixed solution to obtain a dried product, and heat-treating the dried product to prepare a lithium composite metal oxide represented by Chemical Formula 1. A rechargeable lithium battery includes a positive electrode including the positive active material. LiaZrbNicCodMeZrfO2??[Chemical Formula 1] where, 0.9?a?1.1, 0<b?0.1, 0?c?1, 0?d?1, 0?e?1, 0?f?0.1, 0.9?a+b?1.1, c+d+e+f=1, and M is Mn or Al, LiaNigCohMiO2??[Chemical Formula 2] where, 0.9?a?1.1, 0?g?1, 0?h?1, 0?i?1, g+h+i=1 and M is Mn or Al.

Abstract: There are provided a power supply device switching power input to a primary side to supply the power to a predetermined load connected to a secondary side electrically insulated from the primary side and a control circuit thereof. The control circuit generates a predetermined PWM signal to apply the PWM signal to a dimming switch connected to an end of the load and controls a switching frequency of the primary side, based on a control voltage generated according to a feedback signal according to the power supplied to the load and the PWM signal, and the control voltage maintains a constant difference between a minimum voltage level and a maximum voltage level regardless of a duty of the PWM signal.

Abstract: There are provided a power supply apparatus switching a power input to a primary side to supply the power to a predetermined load connected to a secondary side electrically insulated from the primary side and a control circuit thereof, the control circuit generating a predetermined PWM signal to apply the generated PWM signal to a dimming switch connected to an end of the load and controlling a switching frequency of the primary side based on a control voltage generated according to a feedback signal depending on the power supplied to the load and the PWM signal, wherein a voltage variation amount of the control voltage may be constantly maintained regardless of a duty of the PWM signal.

Abstract: The present invention relates, in general, to a steering device for tractor and, more particularly, to a steering device for a tractor for enabling front wheels of the tractor to be turned to an angle over or approximate to a right angle with respect to the longitudinal direction of the tractor by means of a driver manipulating a steering handle, thus making it possible to increase the steering angle of the front wheels and making the turning of the front wheels smoother, whereby the tractor can turn around in place and easily perform different kinds of tasks, for example, a task required in a limited space, a task where there is a need for turning the tractor around in place, etc.

Abstract: The present invention relates to an IC circuit. In an embodiment, an IC circuit includes: an RT terminal connected to an external; a current mirroring unit conducting a channel current between internal voltage power and the RT terminal and generating an internal reference current mirrored with the channel current; a negative feedback unit receiving the internal reference current, equalizing voltages of an RT terminal connection terminal and an internal reference current output terminal of the current mirroring unit to make the internal reference current constant, and providing the internal reference current inside the IC circuit; and an IC state indicating unit having a transistor, which operates complementarily with the current mirroring unit, connected between the RT terminal and a ground and providing the state of an IC or a system to the RT terminal by being linked with the complementary operation of the current mirroring unit.

Abstract: A method and apparatus for displaying content and a computer-readable recording medium thereof are disclosed. The method for displaying content includes: generating a page corresponding to a content file included in a folder; generating a folder display portion corresponding to the folder and an information display layer including the page; outputting the information display layer on a content display apparatus; sensing touch of the content display apparatus; and changing an output format of the information display layer based on the sensed touch.

Abstract: An image manipulation apparatus for displaying a three-dimensional image of an object displayed on a display apparatus in correspondence with orientation of a mobile apparatus includes: an orientation information processor configured to generate orientation displacement information corresponding to orientation of the mobile apparatus; a renderer configured to generate a rendering image of the three-dimensional image using the three-dimensional image of the object and the orientation displacement information; and a transmitter configured to transmit the rendering image to the display apparatus.