Abstract: A grid connection power conversion device for connecting a distributed power supply to a three-phase commercial power system is provided. The power conversion device comprises an inverter, an instantaneous voltage detection circuitry to detect a maximum three-phase instantaneous voltage value of the commercial power system, a line voltage detection circuitry to detect a maximum value of each of three line voltages, an instantaneous voltage drop detection circuitry to detect an instantaneous voltage drop, and an output current control circuitry to control an output current value from the inverter. When the instantaneous voltage drop detection circuitry detects an instantaneous voltage drop, the output current control circuitry reduces the output current value from the inverter to an output current value corresponding to a minimum value among the four maximum voltage values which are the maximum three-phase instantaneous voltage value and the maximum values of the three line voltages.

Abstract: The present application provides a method and an apparatus for allocating control channel candidates, which relate to the communications field, and can allocate control channel candidates at different aggregation levels to K ePDCCH sets and reduce complexity of blind detection performed by a UE. The method includes: determining K sets for transmitting a control channel, where each set in the K sets includes at least one physical resource block pair; and allocating control channel candidates at each aggregation level to at least one set in the K sets according to at least one of aggregation levels supported by the control channel to be transmitted, the number of control channel candidates corresponding to each aggregation level, the K sets for transmitting the control channel, and types of the sets.

Abstract: A method for adjusting the comfort level of a helmet includes the steps of acquiring head shape data by measuring a three-dimensional shape of a head of a wearer of a helmet, inputting inner surface shape data showing a three-dimensional shape of a helmet inner surface, acquiring space information showing a space between the head and the helmet inner surface on the basis of the head shape data and the inner surface shape data, and displaying additional images showing the space information on a display part by superimposing the additional images on i) a shape image showing the inner surface shape data or ii) the shape image showing the head shape data and the inner surface shape data.

Abstract: A front-end circuit includes an antenna terminal, front-end terminals (Pfe1, Pfe2), a circulator, and frequency-variable filters. The circulator sends transmission signals of communication bands of a frequency division duplex system and a time division duplex system from the front-end terminal (Pfe1) to the antenna terminal. The circulator sends a reception signal from the antenna terminal to the front-end terminal (Pfe2). The frequency-variable filter is connected between the front-end terminal (Pfe1) and the circulator, passes transmission signals of the frequency division duplex system and the time division duplex system, and attenuates signals other than the above transmission signals. The frequency-variable filter is connected between the circulator and the front-end terminal (Pfe2), passes a reception signal of the frequency division duplex system, and attenuates signals other than the above reception signal.

Abstract: Provided is a method of controlling an electronic apparatus. The method includes: generating a focus map that indicates focus values of a plurality of blocks defined by splitting a field; continuously capturing a plurality of images corresponding to the focus values in the focus map; and storing the plurality of images, focus value information of each of the plurality of images, and focus value information of the field.

Abstract: An electric drive vehicle is provided with first and second slider plates contacting a trolley line on the high-voltage side and on the ground side, respectively. A camera has a photographing range of the whole of the second slider plate held in contact with the trolley line on the ground side and a part of the trolley line residing around the second slider plate. A controller controls a display of a monitor, wherein the controller includes a relative distance calculation section that calculates a relative distance between the trolley line on the ground side and a reference position of the second slider plate, and a bird's eye view image data generation section that generates bird's eye view image data reflecting the relative distance calculated by the relative distance calculation section and that outputs the bird's eye view image data to the monitor.

Abstract: A display panel and a display device are disclosed. Each of pixels in the display panel includes a pixel area; a switch element located near an intersection of a data line and a scan line; a pixel electrode electrically connected to the switch element; and a common electrode located on the first substrate. The common electrode comprises first common electrodes superposing data lines or scan lines and having the same first width; and second common electrodes overlapping with respective pixel areas and having the same second width, the first width is the same as the second width. Alternatively, the common electrode comprises first slits, which have the same first slit width, located above data lines and scan lines, and second slits, which have the same second slit width and are located in respective pixel areas. The first slit width is the same as the second slit width.

Abstract: A wireless IC device includes an element body including first and second principal surfaces, an RFIC element buried in the element body, and an antenna coil disposed in the element body. The antenna coil includes a first wiring pattern provided on the second principal surface, a first metal pin reaching the first principal surface and the second principal surface, a second metal pin reaching the first principal surface and the second principal surface, and a second wiring pattern provided on the first principal surface. Terminal surfaces of the first input/output terminal and the second input/output terminal of the RFIC element face the second principal surface of the element body and are spaced away from the antenna coil while being connected to the first wiring pattern through first and second conductors extending from the second principal surface of the element body in a direction of the first primary surface.

Abstract: An inverting circuit is disclosed. The inverting circuit includes a pull-up unit including first, second, and third terminals. The first terminal receives a first control signal, and the third terminal is connected to a signal output terminal and outputs a first level signal. The inverting circuit also includes a pull-down unit including fourth, fifth, and sixth terminals. The fourth terminal is connected to the second terminal of the pull-up unit, and the fifth terminal receives a second control signal. In addition, the sixth terminal is connected to the signal output terminal and outputs a second level signal. The inverting circuit also includes a first capacitor, connected to the second terminal of the pull-up unit and the fourth terminal of the pull-down unit, and to the third terminal of the pull-up unit and the sixth terminal of the pull-down unit.

Abstract: A backlight unit including: a light source; and a photoconversion layer disposed separately from the light source to convert a wavelength of incident light from the light source and thereby provide converted light, wherein the photoconversion layer includes a polymer matrix and a plurality of anisotropic semiconductor nanocrystals disposed in the polymer matrix, and wherein the polymer matrix includes a polymer having a repeating unit represented by Chemical Formula 1: wherein R1 is hydrogen or a methyl group, each R2 is independently hydrogen or a C1 to C3 alkyl group, and R3 is a C2 to C5 alkyl group, wherein the polymer exhibits elasticity at a temperature between a glass transition temperature of the polymer and about 100° C., and wherein the plurality of anisotropic semiconductor nanocrystals are aligned along a long axis thereof for the photoconversion layer to emit polarized light.

Abstract: A bidirectional DC-DC converter includes: a voltage conversion circuit; a first switch circuit connected between the voltage conversion circuit and a high-voltage DC power supply; a second switch circuit connected between the voltage conversion circuit and a low-voltage DC power supply; a smoothing capacitor provided between the first switch circuit and the voltage conversion circuit; and a control unit. The control unit controls the second switch circuit such that turn-on time of the second switch circuit gradually increases, and thereafter, controls the voltage conversion circuit such that a voltage-boosting switching element of the voltage conversion circuit is turned on and off. After a predetermined time elapses from when the voltage-boosting switching element starts to be turned on and off, the control unit turns off the voltage-boosting switching element and turns on the first switch circuit.

Abstract: The present invention discloses a directionally modified glucosamine synthase mutant and its application. The amino acid sequence of the glucosamine synthase mutant is as shown in sequence list SEQ ID No. 1, and the nucleotide sequence is as shown in sequence list SEQ ID No. 2. The genetic engineering bacteria of glucosamine synthase is successfully constructed. In order to improve the tolerance of recombinant bacteria against glucosamine, the glucosamine synthase is directionally modified. A glucosamine synthase mutant is selected from the mutant library via high-throughput screening method, the amino acid changes in the mutant induces the spatial conformational change in the enzyme, so as enlarged the region where the enzyme and substrate combines, therefor the combination efficiency of the enzyme and the substrate is increased. The glucosamine synthase of the present invention has various advantages, such as rich in raw material of glucose, and a convenient subsequent extraction.

Abstract: Provided are a pressure medium oil, containing a Group-14 element-containing organic compound selected from an organic germanium compound, an organic tin compound, and an organic lead compound, and a method for using a pressure medium oil, which includes applying a pressure to a substance via the pressure medium oil. The pressure medium oil does not solidify even under an ultrahigh pressure of more than 3.7 GPa at room temperature (25° C.) and has a low pour point, and hardly dissolves a conductive paste.

Abstract: The present disclosure is provided a display device. The display device includes subpixels and at least one scan line. The subpixels are formed on a first substrate, and each of the subpixels includes an emission area, in which a light emitting element for emitting light is disposed, and a circuit area in which a circuit for driving the light emitting element is disposed. The at least one scan line may be disposed on the circuit area in a horizontal direction. The at least one scan line may include: an upper scan line and a lower scan line spaced apart from each other; and a scan connection line positioned between the upper scan line and the lower scan line and electrically connecting the upper scan line and the lower scan line.

Abstract: Discussed is a touch sensor for use in an in-cell type touch sensor panel that includes a plurality of sensor elements, wherein each sensor element has a shape such that a maximum diameter of a circle able to be inscribed in the sensor element is smaller than a diameter of a circle inscribed in a square having the same area as the sensor element.