Abstract: A method is provided for detecting an error in an image data stream in a device environment where digital image data is reproduced, especially, in a wired/wireless network such as a personal portable device. The method comprises determining whether or not an error is present in an input image data stream; determining a similarity between patterns of transform coefficients that are generated in the course of decoding the input image data stream; and detecting the starting position of the error based on the similarity determination. Accordingly, a decoder can independently detect the position of the error accurately, and the quality of an image which is replaced and restored using error concealment can be improved.

Abstract: A two-stage insulated bidirectional DC/DC power converter is disclosed. A two-stage insulated bidirectional DC/DC power converter according to an embodiment of the invention has the characteristic of including: an LLC resonant converter operating at a constant duty ratio; a bidirectional converter joined to a front part of the LLC resonant converter and configured to perform a booster converter function of outputting the input voltage at a consistent input voltage for the LLC resonant converter, and a buck converter function of reducing the voltage by way of the LLC resonant converter and then outputting a consistent voltage; and a bidirectional converter control unit configured to control changes in an input voltage of the bidirectional converter and regulate an output voltage of the LLC resonant converter to thereby maintain a consistent input voltage of the LLC resonant converter, such that the LLC resonant converter operates at a constant duty ratio.

Abstract: A battery charging apparatus includes an input power processing unit configured to receive an AC power and convert the received AC power into an output voltage for power conversion; a hybrid power converting unit configured to use a common transformer to separately convert the output voltage of the input power processing unit into a first voltage and a second voltage for charging a high voltage battery and an auxiliary battery; a high voltage charging unit configured to drop the first voltage output from the hybrid power converting unit and charge the high voltage battery with the dropped first voltage; and an auxiliary voltage charging unit configured to generate an auxiliary voltage by dropping the second voltage output from the hybrid power converting unit or a voltage of the high voltage battery, and charge the auxiliary battery with the auxiliary voltage.

Abstract: Provided are an electrophotographic toner and a method of preparing the same. The toner includes a latex, a coloring agent, and a release agent, and has a selected amount of wax exposed on the surface of the toner.

Abstract: An electrophotographic toner including a latex, a coloring agent, and a release agent, wherein a difference between an average circularity of toner having a particle size of D16p or less (S16) and an average circularity of toner having a particle size of D50p or less (S50) is about 0.01 or less, wherein the circularity is measured using a flow particle image analyzer (FPIA), and the ratio of an area of wax to a total cross-sectional area of the toner having a particle size of D16p or less is about 8/100 or greater, and wherein the area is measured using a transmission electron microscope (TEM).

Abstract: The present invention relates to ultrafine fiber-based composites comprising at least one ultrafine fiber-type hydrophobic polymer and oxide moisture absorbent particles distributed on the polymer. The ultrafine fiber-based composites may be appropriately used as sealing materials which can prevent the functional deterioration of electric or electronic devices and enhance the stability due to their high hydroscopicity and ability to maintain their appearance without change after the absorption of moisture.

Abstract: The embodiment is to provide a liquid crystal display device capable of detecting malfunctions. The liquid crystal display device includes pixels configured to be connected to scan lines and data lines, data pads electrically connected to the data lines, a data integrated circuit supplying data signals to the data lines through the data pads, first data transistors coupled to the data pads, and second data transistors coupled to the data lines. The first data transistors are disposed on the data integrated circuit and the second data transistors are separated from the data integrated circuit.

Abstract: The present invention relates to a service scenario editing apparatus for an intelligent robot, to a method for same, to an intelligent robot apparatus and to a service providing method for an intelligent robot.

Abstract: Disclosed are a toner for developing an electrostatic latent image and a method of preparing the toner. The toner may include a latex, a colorant and a releasing agent, and may further include sulfur (S), iron (Fe) and silicon (Si). The [S]/[Fe] ratio may be within the range between about 5.0×10?4 and about 5.0×10?2. The [Si]/[Fe] ratio may be within the range of between about 5.0×10?4 and about 5.0×10?2. [S], [Fe] and [Si] are the amounts of S, Fe and Si measured by X-ray fluorescence spectrometry, respectively.

Abstract: An image forming apparatus including: a plurality of medium trays to stack a print medium having an image formed thereon by an image forming unit; a driving source to momentarily apply a direction switching signal; a selector to select a carrying path of the print medium having the image formed thereon, the carrying path directing the print medium to one of the plurality of medium trays; and a switch unit connected to the driving source to set a position of the selector in order to direct the print medium along the carrying path according to the direction switching signal. Accordingly, power is only used momentarily to direct the print medium to a medium tray from among a plurality of medium trays.

Abstract: A toner to develop an electrostatic latent image which includes a latex, a colorant, and a release agent, wherein the toner has a complex viscosity (?*) in a range of about 2.5×102 to about 1.0×103 Pa·s and a loss tangent (tan ?) in a range of about 1.3 to about 2.3 at a temperature of about 160° C. and wherein the ?* is defined by a formula ?*=(G?2+G?2)½/w, and the tan ? is defined by a formula G?/G?, where G? is a storage elastic modulus and G? is a loss elastic modulus as determined under the following conditions of an angular velocity being about 6.28 rad/s and at a temperature increasing at a rate of about 2.0° C./min.

Abstract: An electrophotographic toner and a method of preparing the same are provided. The electrophotographic toner includes a latex, a colorant, and a releasing agent, wherein the electrophotographic toner includes silicon (Si) and iron (Fe), each of the Si and Fe is in the range of about 3 to about 1,000 ppm, a mole ratio of Si to Fe (Si/Fe) is in the range of about 0.1 to about 5, an initiation temperature of a maximum heat absorption peak curve when a temperature increases in a heat absorption curve of the toner measured by a differential scanning calorimeter (DSC) is in the range of about 68 to about 89° C., and a peak temperature of the maximum heat absorption peak curve is in the range of about 86 to about 89° C.

Abstract: Provided are toner for developing an electrostatic latent image and a method of preparing the same. The toner has G?(60) of about 4.0×107 Pa to about 4.0×108 Pa, G?(60)/G?(80) of about 100 to about 500, and G?(100, 140) of about 3.0×103 Pa to about 1.5×105 Pa. The G?(60) and G?(80) are storage moduli Pa at about 60° C. and about 80° C. under measurement conditions of an angular velocity of about 6.28 rad/s and a heating rate of about 2.0° C./minute, respectively. The G?(100, 140) is a storage modulus Pa at a temperature of about 100° C. to about 140° C. under measurement conditions of an angular velocity of about 6.28 rad/s and a heating rate of about 2.0° C./minute.

Abstract: An optical module having a second connector unit mounted on the bottom of a first connector unit to reduce the size of the radiation member and the optical module. The optical module includes a first connector unit, a radiation member provided on a first side of the first connector unit to support the first connector unit and radiate heat, a second connector provided on the first connector unit to electrically connect the first connector unit to a PCB, and a fastening member provided on surfaces of the first and second connector units, which face each other, to fasten the first and second connectors to each other. The optical module is advantageous reduces the size of the radiation member and renders a more compact optical module.

Abstract: The present invention provides a method for calculating a destruction rate of refrigerant by establishing a calibration line using standard refrigerant gases and measuring the amount of refrigerant remaining in exhaust gas discharged after destruction of waste refrigerant. For this purpose, the present invention provides a method for calculating a destruction rate of refrigerant, the method including: establishing a calibration line using standard refrigerant gas samples whose concentrations are known; sampling exhaust gas finally discharged after decomposition of waste refrigerant; measuring the concentration of refrigerant remaining in the sampled exhaust gas; and calculating the amount of undestroyed refrigerant using the concentration of refrigerant remaining in the exhaust gas, the amount of exhaust gas discharged, and the known density of refrigerant.

Abstract: A power transmission device and an image forming apparatus having the same that is capable of reliably transmitting intermittent power to a driven component from a driving source. The power transmission device includes a shaft, a first intermittent gear to receive power from the driving source and to rotate on the shaft, a second intermittent gear arranged so as to move between a first position in which the second intermittent gear is connected to the first intermittent gear along an axial direction of the shaft and a second position in which the second intermittent gear is disconnected from the first intermittent gear, a sliding unit arranged so as to slide along the shaft and to move the second intermittent gear in the axial direction of the shaft, and a driving unit to drive the sliding unit.

Abstract: Provided are a pointing apparatus capable of providing haptic feedback, and a haptic interaction system and method using the same. The pointing apparatus includes a wireless communication unit, a controller, and a haptic stimulator. The wireless communication unit receives an event including haptic output information through wireless communication with the outside. The controller generates a control signal for reproducing a haptic pattern corresponding to the haptic output information. The haptic stimulator reproduces the haptic pattern by means of the control signal. Thus, it is possible to increase the performance and usability of a user interface of a user terminal including a touch screen.

Abstract: A toner to develop an electrostatic charge image, a method of preparing the toner, a toner supply device employing the toner, an apparatus to form an image employing the toner, and a method of forming an image using the toner are provided. The toner includes a binder resin including a first type of binder resin having a first weight-average molecular weight and a second type of binder resin having a second weight-average molecular weight different than the first weight-average molecular weight, a colorant, and a releasing agent.

Abstract: An improved display substrate is provided to reduce surface defects on insulating layers of organic thin film transistors. Related methods of manufacture are also provided. In one example, a display substrate includes a base, a plurality of data lines, a plurality of gate lines, a pixel defined by the data lines and the gate lines, an organic thin film transistor, and a pixel electrode. The data lines are on the base and are oriented in a first direction. The gate lines are oriented in a second direction that crosses the first direction. The organic thin film transistor includes a source electrode electrically connected to one of the data lines, a gate electrode electrically connected to one of the gate lines, and an organic semiconductor layer. The pixel electrode is disposed in the pixel and electrically connected to the organic thin film transistor. The pixel electrode comprises a transparent oxynitride.

Abstract: An electrophotographic toner and a method of preparing the same, the electrophotographic toner including a binder that includes two kinds of resin having different weight average molecular weights, a colorant, and a releasing agent.