Abstract: The present invention provides a fullerene derivative having an electron donating group adjacent to the fullerene nucleus, represented by formula (I) which exhibits a high LUMO energy and a high open circuit voltage based thereon and which is highly compatible with polymers and excellent in charge mobility and charge separation ability: wherein the encircled FL represents fullerene C60 or C70, Donor-Sub represents a substituent having at least one electron donating substituent atom located at a position apart from the fullerene nucleus by two bonds, R is hydrogen, Donor-Sub, an alkyl, cycloalkyl, alkoxy, alkoxy-substituted alkyl, alkoxy-substituted alkoxy, alkylthio-substituted alkoxy, alkylthio, alkylthio-substituted alkylthio, or alkoxy-substituted alkylthio group, having a total carbon atoms of 1 or more and 20 or fewer, or a benzyl or phenyl group, and n is an integer of 1 to 10.

Abstract: Disclosed are a wireless power transmitter and a method of transmitting power thereof. The wireless power transmitter to wirelessly transmit power to a wireless power receiver includes a transmission coil to receive power from a power supply apparatus, and a transmission resonance unit to transmit the power received therein from the transmission coil to the wireless power receiver using resonance. The transmission resonance unit includes an inner loop, and an outer loop connected to the inner loop while surrounding the inner loop.

Abstract: Provided are a method and an apparatus for measuring the spectral intensity and phase of a light pulse having an arbitrary time duration. The apparatus includes: a nonlinear mixing means for generating a signal light pulse expressed by the following Formula (? denotes an operator representing general nonlinear mixing, and ? denotes a coefficient which is proportional to a nonlinear susceptibility in the nonlinear mixing) by nonlinearly mixing a reference light pulse having an electric field Er(t??) delayed by an optical delay means and a measurement target light pulse having an electric field E0(t); and Er(t??)+?Er(t??)?E0(t) an imaging spectrum device for spectrally splitting the signal light pulse and outputting a Fourier transform signal expressed by the following Formula (F denotes a symbol indicating Fourier transform, * denotes a complex conjugate, and R denotes a symbol indicating a real part), |F[Er(t??)]|2+|?F[Er(t??)?E0(t)]|2+2R{?F[Er(t??)]*·F[Er(t??)?E0(t)]}.

Abstract: Flash devices and methods of manufacturing the same are provided.

Abstract: A smart watch in accordance with an embodiment of the present invention comprises: a first smart member configured to receive a voice signal sent from a mobile terminal, transform the input voice of a user to a voice signal, and send the voice signal to the mobile terminal while in talk mode; and a second smart member configured to input a control command about the talk mode into the first smart member, and transform the voice signal to voice and output the voice.

Abstract: This disclosure is directed to a D2D discovery method applicable to a UE and a network entity and a UE and a network entity using the same. In one of the exemplary embodiments, this disclosure is directed to a D2D discovery method that is applicable to a network entity and includes at least but not limited to receiving a first cancel proximity request comprising a network level discoverer identifier (ID), an application ID, and an application layer discoveree ID, transmitting a second cancel proximity request comprising the network level discoverer ID and a network level discoveree ID in response to receiving the first cancel proximity request, receiving a first acknowledgement signal that corresponds to the second cancel proximity request in response to transmitting the second cancel proximity request, and transmitting a second acknowledgement signal that corresponds to the first cancel proximity request in response to receiving the first acknowledgement signal.

Abstract: A robotic limb structure which is capable of achieving high speeds. In the context of a biped, the structure is used for a pair of hind limbs. The limb structure includes a primary driven link—such as a thigh pivoting about a hip joint in the case of a hind limb. Secondary links are pivotally connected to the primary driving link. Auxiliary links are provided to constrain the motion between the links. Elastic trim elements are also provided to define a “relaxed” state for the limb and to influence the resonance characteristics of the structure. The control system takes advantage of the resonant characteristics of the structure as a whole.

Abstract: An apparatus for canceling an acoustic echo signal caused by a far-end talker signal is provided. The apparatus for canceling an acoustic echo signal includes: a variance estimating unit configured to estimate a variance of a first audio signal of a near-end talker signal and a first noise signal of the near-end talker signal; a step size determining unit configured to determine a step size by using the variance of the first audio signal and the variance of the first noise signal; an adaptive filter coefficient updating unit configured to update an adaptive filter coefficient of an adaptive filter by using the step size; and an acoustic echo canceling unit configured to estimate an acoustic echo signal by using the adaptive filter coefficient, and cancel the acoustic echo signal from a microphone input signal by using the estimated acoustic echo signal.

Abstract: Provided is a method and apparatus for selecting a beamformee station (STA) in a multi-user multiple-input and multiple-output (MU-MIMO) communication system, the method including acquiring channel information associated with a beamformee STA among a plurality of beamformee STAs, verifying whether acquiring channel information associated with a subsequent beamformee STA of the beamformee STA is advantageous or disadvantageous, and determining, based on a result of the verifying, whether the channel information associated with the subsequent beamformee STA is acquired.

Abstract: An approach to compression of a large (n point or samples) data set has a combination of one or more desirable technical properties: for a desired level of accuracy (?), the number of compressed points (a “coreset”) representing the original data is O(log n); the level of accuracy comprises a guaranteed bound expressed as multiple of error of an associated line simplification of the data set; for a desired level of accuracy and a complexity (e.g., number k of optimal line segments) of the associated line simplification, the computation time is O(n); and for a desired level of accuracy (c) and a complexity of the associated line simplification, the storage required for the computation is O(log n).

Abstract: A method for distinguishing prostate cancer from prostatic hypertrophy using the method for analyzing PSA and an analysis kit of PSA are provided. An object of the present invention can be solved by being brought into contact a lectin having an affinity for ?-N-acetylgalactosamine residues with a sample possibly containing PSA, to determine an amount of PSA having an affinity for the lectin. A method for distinguishing prostate cancer from prostatic hypertrophy can be provided by this method.

Abstract: The present disclosure provides a gas sensor including: a substrate; an electrode formed on the substrate; and a gas-sensing layer formed on the electrode, wherein the gas-sensing layer is a self-heating nanocolumnar structure having nanocolumns formed on the electrode and inclined with respect to the electrode with an angle of 60-89° and gas diffusion pores formed between the nanocolumns. The gas sensor according to the present disclosure requires no additional heater since it self-heats owing to the nanocolumnar structure and exhibits superior gas sensitivity even when no heat is applied from outside. Also, it can be mounted on mobile devices such as mobile phones because it consumes less power.

Abstract: Tools for friction stir welding can be made with fewer process steps, lower cost techniques, and/or lower cost ingredients than other state-of-the-art processes by utilizing improved compositions and processes of fabrication. Furthermore, the tools resulting from the improved compositions and processes of fabrication can exhibit better distribution and homogeneity of chemical constituents, greater strength, and/or increased durability. In one example, a friction stir weld tool includes tungsten and rhenium and is characterized by carbide and oxide dispersoids, by carbide particulates, and by grains that comprise a solid solution of the tungsten and rhenium. The grains do not exceed 10 micrometers in diameter.

Abstract: The present disclosure relates to a compressive sensing imaging system which may include a compressive sensing optic (CSO) that includes a plurality of compressive sensing elements (CSEs), a fiber optic bundle (FOB) that includes a plurality of fiber optic elements (FOEs) and a sensor that includes a plurality of optical sensing elements (OSEs). Each CSE is configured to capture a respective random CSE optical sample related to a respective portion of a scene and to provide the respective CSE optical sample to the FOB. Each FOE is configured to integrate one or more accepted scene optical samples to produce an associated compressed optical sample and each scene optical sample corresponds to at least a portion of a respective CSE optical sample. Each FOE is further configured to provide the associated compressed optical sample to the sensor. Each OSE is configured to integrate one or more received sensor optical samples.

Abstract: A dual frequency coupling feed antenna includes a substrate. There are an upper dipole radiative conductor, a lower dipole radiative conductor, a ground line and a ground reflective conductor disposed on the second surface of the substrate and the two dipole radiative conductors are not electrically connected to each other. The first surface of the substrate has a coupling conductor, a signal line and a feed-matching conductor. The coupling conductor extends parallel to the upper dipole radiative conductor. The ground reflective conductor is located at a side-edge of the dipole radiative conductor and the feed-matching conductor is located on the path of the signal line.

Abstract: Provided us a visual cortical circuit apparatus comprising: a current mirror unit which uses a transistor as a current source to generate a current having the same size as that of a reaction; a transconductance unit which takes, as an input, the current generated by the current mirror unit and outputs a voltage using a transconductance; and a buffer unit for converting the voltage output from the transconductance unit into a current and buffering the current.

Abstract: A microelectronic 3D packaging structure and a method of manufacturing the same are introduced. The microelectronic 3D packaging structure includes a first board with a plurality of a first edges and disposed with a first electronic device; a second board with a plurality of a second edges and disposed with a second electronic device, wherein at least one second edge of the second board is jointed to at least one first edge of the first board to form a joint line; and a joint connection portion disposed at the joint line of the two adjacent boards and adapted to function as a connection path for transmitting signals.

Abstract: An inter prediction method according to the present invention comprises the steps of: selecting candidate units from among reconstructed neighbor units; creating a candidate unit set with respect to units to be decoded, using the selected candidate units; determining a reference unit from among the candidate units which constitute the created candidate unit set; and performing inter prediction on the units to be decoded, using the determined reference unit. According to the present invention, image encoding/decoding efficiency can be improved.

Abstract: Disclosed is a data transmission method that may enhance a channel capacity in a wireless channel environment of a frequency band having a high directivity in which a transmission apparatus may form a transmission beam and transmit a training signal while sequentially changing a direction of the formed transmission beam, a reception apparatus may form a reception beam and receive the training signal while sequentially changing a direction of the formed reception beam, and the transmission apparatus may receive a response signal from the reception apparatus with respect to the training signal and determine a data transmission scheme based on the received response signal.

Abstract: The invention relates to recombinant expression of a steviol or steviol glycosides biosynthetic pathway enzymes in cells and the production of steviol or steviol glycosides.