Abstract: The present disclosure relates to an apparatus and method for determining failure of a vehicle radar apparatus. In the vehicle radar apparatus, it is possible to set the normal range of the failure determination signal characteristic for each temperature by measuring the signal characteristic value at 2 or more temperature values for each transmission channel or each reception channel the normal operation state, and to determine the failure of the radar apparatus based on whether the representative value of the measured signal characteristic measured at the time of determination is within the normal range of the failure determination signal characteristic.

Abstract: A robot cleaner having a side suction port formed on a side surface of a main body so as to suck the dust beside the main body and a side discharge port formed on the side surface of the main body to discharge the air toward the side of the main body is provided. The side discharge port can scatter the dust beside the main body and allow the dust to be sucked smoothly through the side suction port.

Abstract: Disclosed are a hot dip coated steel and a method for manufacturing the same, the hot dip coated steel comprising a hot rolled steel and a hot dip coated layer formed on the surface of the hot rolled steel, wherein the hot rolled steel comprises: by wt %, 0.05-0.15% of C, 0.5% or less of Si (excluding 0%), 0.5-1.5% of Mn, 0.01-0.05% of Nb, 0.005-0.05% of V, 0.03% or less of P (excluding 0%), 0.015% of S or less (excluding 0%), 0.05% or less of Al (excluding 0%), 0.01% or less of N (excluding 0%), and the balance of Fe and inevitable impurities; 90 area % or more of ferrite as the microstructure thereof; and 5,000-15,000/?m2 of V-based precipitates.

Abstract: A social networking system obtains information describing one or more interactions performed by users of the social networking system with various applications. The information identifies users, applications, and interactions by users with applications. Based on the obtained information, the social networking system determines likelihoods of a selected user performing another type of interaction with each application in a set of applications. The set of applications are ranked based on the determined likelihoods, and one or more of the applications from the set are selected based on the ranking. Information describing the selected one or more applications is then provided to the selected user.

Abstract: Provided is a massage module and a massage device including same. The massage module may include: a procedure member including an upper finger member and a lower finger member cooperating with the upper finger member; and a cam driving part connected to the upper finger member so as to move the upper finger member in the vertical direction, so that the upper finger member and the lower finger member are away from or close to each other.

Abstract: The present disclosure relates to a radar apparatus and an object detection of using the radar apparatus. An FMCW radar apparatus employing frequency hopping technique in which a center frequency of each chirp signal is variable enables the accuracy of range measurement of the radar to be improved, by determining a high resolution range value based on a composite bit signal generated by determining a bit signal for each of a plurality of chirp signals, parts of respective frequency bands of which overlap one another, and then compensating the bit signal for a phase difference value.

Abstract: The present disclosure provides a radar apparatus including: an antenna including a first transmitting antenna, a second transmitting antenna, and a receiving antenna; a transmitter including a first modulator for generating a first transmission signal having an inverted phase of a source signal and transmitting the first transmission signal through the first transmitting antenna, and a second modulator for generating a second transmission signal having a shifted phase of the source signal and transmitting the second transmission signal through the second transmitting antenna; a receiver for receiving a reflection signal of the first transmission signal and the second transmission signal reflected from the object through the receiving antenna; and a controller for obtaining information for the object based on the reflection signal. According to the present disclosure, it is possible to efficiently detect the object using the antenna having a simple structure.

Abstract: Provided are a structure and alignment method of array antennas for a vehicle radar, the structure and method being able to adjust the locations, number of channels, number of arrays, and channel distance according to the type of antennas, so as to minimize a space occupied by the antennas while maintaining the radiation efficiency of the antennas. Even in a case in which conditions regarding the location of the array antennas and the number of channels are changed within designated ranges, the efficient array antenna structure minimizes the area of array antennas for a vehicle while maintaining the detection ability of the array antennas.

Abstract: An electric car charging apparatus installed on a utility pole according to one embodiment of the present invention may comprise: a first port for supplying power to an electric car; a second port for receiving power converted by a transformer connected to a distribution line; a breaker for switching the state, open or closed, between the first and second ports; a control unit for receiving load data of the transformer, and controlling the breaker so that the first port and second port are electrically open to each other when the load according to the load data is greater than the reference load.

Abstract: Disclosed are a hot dip coated steel and a method for manufacturing the same, the hot dip coated steel comprising a hot rolled steel and a hot dip coated layer formed on the surface of the hot rolled steel, wherein the hot rolled steel comprises: by wt %, 0.05-0.15% of C, 0.5% or less of Si (excluding 0%), 0.5-1.5% of Mn, 0.01-0.05% of Nb, 0.005-0.05% of V, 0.03% or less of P (excluding 0%), 0.015% of S or less (excluding 0%), 0.05% or less of Al (excluding 0%), 0.01% or less of N (excluding 0%), and the balance of Fe and inevitable impurities; 90 area % or more of ferrite as the microstructure thereof; and 5,000-15,000/?m2 of V-based precipitates.

Abstract: An aspect of the present invention provides an Fe—Ni alloy metal foil having excellent heat resilience, where the Fe—Ni alloy metal foil is prepared by an electroforming (EF) method and has a thickness of 100 ?m or less (except O ?m), wherein the Fe—Ni alloy metal foil comprises, by wt %, Ni: 34-46 %, a remainder of Fe and inevitable impurities, and wherein the Fe—Ni metal foil has a degree of heat resilience in an amount of 30 ppm or less.

Abstract: A voltage-controlled oscillator includes an oscillation generator, two inductors and two amplifiers. The oscillation generator generates two oscillation voltage signals based on a control voltage. Each inductor receives a respective oscillation voltage signal, and provides a respective input voltage signal. Each amplifier generates a respective current signal based on a respective input voltage signal. When one of the current signals has a magnitude that varies according to a magnitude of the respective input voltage signal, the other of the current signals has a constant magnitude. The current signals are combined into an output current signal at a common node of the amplifiers.

Abstract: Disclosed herein are technologies for a WYSIWYG user interface (UI) design tool that enables runtime behaviors (e.g., content update and user interaction) with UI controls during design time of such controls. That is, using a UI design tool in accordance with the technology described herein, the human designer can see and experience the runtime behavior of the UI controls while designing those controls. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

Abstract: A multi-order wave voltage controlled oscillator (VCO) includes a power impedance matching unit, a signal transmitting unit, a harmonic wave eliminating unit and an oscillation frequency adjusting unit. The power impedance matching unit includes an input end, an output end and a first transmission line between the input end and the output end. The first transmission line is a ¼-wavelength transmission line based on a wavelength of an output harmonic wave. The signal transmitting unit includes multiple upper inductor electrically connected to the output end and multiple lower inductors electrically connected to a ground end. The harmonic wave eliminating unit includes multiple transistors electrically connected to the signal transmitting unit and each having a drain electrically connected to a gate of the adjacent transistor to form a multi-order ring loop. The oscillation frequency adjusting unit includes multiple varactors.

Abstract: A robot cleaner having a side suction port formed on a side surface of a main body so as to suck the dust beside the main body and a side discharge port formed on the side surface of the main body to discharge the air toward the side of the main body is provided. The side discharge port can scatter the dust beside the main body and allow the dust to be sucked smoothly through the side suction port.

Abstract: A leg massage device includes a calf massage module and an up/down movement module to move the calf massage module up and down. The calf massage module includes a unit massage module including a massage module plate, a moving roller installed on the massage module plate to move up and down along a guide surface, and a calf massage roller mounted on the massage module plate to massage the user's calf. The up/down movement module includes a driving link unit connected to the massage module plate to push up or pull down the massage module plate and a driving power source configured to provide power to the driving link unit.

Abstract: A voltage controlled oscillator includes a resonance unit, coupling unit and source degeneration unit. The resonance unit includes two first inductors and two first variable capacitors. The first inductor is electrically connected to the first variable capacitor. The coupling unit includes a first transistor and a second transistor. Power supply input terminals of the first and second transistors are electrically connected to the resonance unit. The source degeneration unit includes two adjustable inductors, two fourth inductors and two second variable capacitors. The adjustable inductors are connected to power supply output terminals of the first and second transistors, respectively.

Abstract: A multi-way power amplifier circuit includes two baluns and a number (2×N) of differential power amplifiers, where N?2. Each balun generates a number (N) of corresponding differential intermediate signal pairs based on a respective to-be-amplified signal. Each differential power amplifier generates a respective differential amplified signal pair based on a respective differential intermediate signal pair. One of the baluns includes: a first transmission line and a second transmission line connected to each other; a number (N) of third transmission lines electromagnetically coupled to the first transmission line; and a number (N) of fourth transmission lines electromagnetically coupled to the second transmission line.

Abstract: The present invention relates to a composition containing a paprika extract as an active ingredient, and more particularly to a pharmaceutical composition or health functional food for preventing or treating inflammatory, allergic or asthma disease, which contains a paprika extract. Particularly, paprika is a natural food which is readily available to anyone, and thus does not cause adverse effects even when it is taken for a long period of time.

Abstract: A voltage controlled oscillator includes a resonance unit, coupling unit and source degeneration unit. The resonance unit includes two first inductors and two first variable capacitors. The first inductor is electrically connected to the first variable capacitor. The coupling unit includes a first transistor and a second transistor. Power supply input terminals of the first and second transistors are electrically connected to the resonance unit. The source degeneration unit includes two adjustable inductors, two fourth inductors and two second variable capacitors. The adjustable inductors are connected to power supply output terminals of the first and second transistors, respectively.