Abstract: A lithium secondary battery includes a wound type electrode group including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode, a core member inserted in a hollow of the electrode group, and a nonaqueous electrolyte having a lithium ion conductivity, wherein in the negative electrode, a lithium metal deposits during charging and the lithium metal dissolves during discharging, and the electrode group has a space that allows the separator to be apart from and oppose at least one of the positive electrode and the negative electrode.

Abstract: An imaging apparatus includes: an image sensor that captures a subject image via an optical system; a detector that detects a shake amount of the imaging apparatus; a calculation circuitry that performs a calculation for image stabilization, based on the shake amount detected by the detector; and an image stabilizer that performs the image stabilization by translational movement and rotational movement within a predetermined movable range of the image sensor, based on a result of the calculation by the calculation circuitry. The calculation circuitry changes a first maximum amount and a second maximum amount within the movable range, according to a result of successively calculating a shake correction amount, the first maximum amount allowing a first movement of the translational movement and the rotational movement, the second maximum amount allowing a second movement of the translational movement and the rotational movement.

Abstract: A disclosed conductive material dispersion liquid includes a conductive material including carbon nanotubes, dispersants, and a polar aprotic solvent. The dispersants include a polyvinylpyrrolidone-based compound and a cellulose derivative.

Abstract: An imaging apparatus includes a housing, an imaging element provided in the housing, a first antenna, a second antenna, an IC chip electrically connected to both the first and second antennas and executing wireless communication via the first and second antennas, and a first circuit board on which the IC chip is mounted. When viewed in a first direction that is a normal direction of a light receiving surface of the imaging element and is a front-rear direction of the housing, the first antenna is arranged at one end portion of the housing in a second direction orthogonal to the first direction, and the second antenna is arranged at the other end portion of the housing in the second direction.

Abstract: An interrupter system includes a first coil and an interrupter electrically connected to the first coil. The interrupter includes: a first terminal; a second terminal electrically connected to the first terminal; a third terminal electrically separated from the first terminal and the second terminal; a heat generating element electrically connected to the third terminal; and an explosive configured to be ignited by the heat generating element to produce a gas for interrupting an electrical connection between the first terminal and the second terminal. The first coil is electrically connected to the heat generating element via the third terminal. Moreover, the first coil is configured to, when an abnormal current flows between the first terminal and the second terminal, generate an electric power for igniting the explosive from the abnormal current.

Abstract: A negative electrode active material for a secondary battery includes a composite material including an active phase that reacts with Li and an amorphous material phase, wherein the active phase is dispersed in the amorphous material phase, and the amorphous material phase includes Si, O, and C.

Abstract: A housing that is to be attached to an object via a bracket includes: a contact surface contacted by the press-fitted bracket; a pair of projecting portions that are disposed at both sides of the contact surface in a widthwise direction along the contact surface and orthogonal to a press-fitting direction of the bracket and project out toward the bracket and extend in the press-fitting direction; a pair of clamping portions that extend toward each other from projecting edge portions of the pair of projecting portions, and clamp the bracket between the contact surface and at least a portion of the pair of clamping portions; and a stopper that abuts the bracket and prevents the bracket from being press-fitted by more than a predetermined length in the press-fitting direction. A leading end portion of each of the pair of clamping portions in the press-fitting direction and the stopper are connected.

Abstract: A first vehicle is an unmanned ground vehicle and holds a first digital certificate according to at least one of a vehicle purpose of the first vehicle and a service of the first vehicle, and a second vehicle holds a second digital certificate according to at least one of a vehicle purpose of the second vehicle and a service of the second vehicle. A travel determination method includes obtaining the first digital certificate and the second digital certificate, and determining whether to prioritize travel of the first vehicle or the second vehicle, based on the first digital certificate and the second digital certificate obtained, when each of the first vehicle and the second vehicle travels on a corresponding transport route.

Abstract: An encoding apparatus includes: a quantization circuit that generates a quantization parameter including first information related to a codebook of vector quantization and second information related to code vectors included in the codebook; and a control circuit that determines which one of first encoding of the first information for the target sub-vector and second encoding of a second number of bits based on the difference between an allocated number of bits for vector quantization and the number of bits of the quantization parameter is to be executed, in accordance with the number of bits available for encoding sub-vectors including at least a target sub-vector among a plurality of sub-vectors in the vector quantization.

Abstract: The present disclosure provides a method of setting reserved subframes for indication of a resource pool by a bitmap, a user equipment, and a base station. In the present disclosure, the resource pool is used for transmitting or receiving sidelink signals within a system frame number cycle that includes predefined subframes and remaining subframes that are subframes after excluding the predefined subframes within the system frame number cycle. In the method, a number of the reserved subframes is determined so that the bitmap is repeated by integer times within the subframes after excluding the reserved subframes and the predefined subframes within the system frame number cycle. In the method, position of each of the reserved subframes is set, wherein at most two reserved subframes are set per n subframes within the system frame number cycle.

Abstract: An ion removing system includes an electrolysis apparatus electrolyzing hard water to generate acidic water and alkaline water; and an ion removing apparatus that includes a hard water storage part storing the alkaline water generated by the electrolysis apparatus and a fine bubble generating part generating and supplying fine bubbles to the hard water storage part and that causes the fine bubbles to adsorb metal ions in the alkaline water in the hard water storage part to remove the metal ions from the alkaline water.

Abstract: This antenna device comprises an antenna element disposed in a recess 2 on the exterior of a moving body, and a non-feeding element of which the center is disposed at a position higher than the horizontal plane in which the center of the antenna element is positioned in the recess. In the antenna device, furthermore, the moving body is a vehicle, and the recess may be provided in a roof 1 of the vehicle.

Abstract: The control system includes: a determiner that determines, based on browsing information on browsing using a browsing device, a target device and a browsing relation degree indicating relationship between a predetermined function of the target device and the browsing; a device information obtainer that obtains device information on a target control device that is the target device having the browsing relation degree of the browsing greater than or equal to a threshold; and a control unit that changes an operation mode for executing the predetermined function of the target control device when the device information obtained satisfies a specific condition.

Abstract: A learning device includes an input section and a learning section. The input section obtains training data in which an image containing an image of equipment of a vehicle, first information indicating a skeleton location of a specific part of a vehicle-occupant, and second information indicating a state of the vehicle-occupant with respect to the equipment are associated with each other. The learning section forms a model such that an estimating device can obtain the first information and the second information associated with the image containing the image of the equipment.

Abstract: An electronic device is installed in a given space and comprises a main body, one or more sensors, and a controller. The one or more sensors are configured to detect an object around the main body. The controller is configured to set a detection range of the one or more sensors according to an installation state of the main body in the given space.

Abstract: A secure authentication method includes: deriving a distributed LSH value using secret LSH, taking a first distributed feature amount which is a feature amount of user information distributed through a secret distribution method and encrypted LSH parameters as inputs; deriving a distributed hash value using a secret unidirectional function, taking the distributed LSH value and a distributed key as inputs; decoding the hash value by reversing distribution of the distributed hash value; selecting, from a secret hash table storing sets of a hash value as an index and a distributed feature amount as a data string, a set including a hash value matching the decoded hash value; computing, in secret, similarity between the distributed feature amount in the set and the first distributed feature amount; deriving, in secret, a user authentication result based on the similarity computed; and outputting the derived authentication result.

Abstract: A vehicle surveillance device for an in-vehicle network system that includes one or more electronic control units includes: a frame transmitter and receiver that receives a frame flowing over the in-vehicle network system; and a score calculator that detects a suspicious behavior different from a normal driving behavior based on the frame received by the frame transmitter and receiver and vehicle data including information on one or more frames received by the frame transmitter and receiver prior to receiving the frame, and calculates, based on a detection result, a score indicating a likelihood that reverse engineering has been performed on a vehicle provided with the in-vehicle network system.

Abstract: Provided is a direction of arrival estimation device wherein: a calculation circuit calculates a frequency weighting factor for each of a plurality of frequency components of signals recorded in a microphone array, on the basis of the differences among unit vectors indicating the directions of the sound sources of each of the plurality of frequency components; and an estimation circuit estimates the direction of arrival of a signal from the sound source, on the basis of the frequency weighting factors.

Abstract: An information processing method implemented by a computer includes: obtaining a piece of first data, and a piece of second data not included in a training dataset for training an inferencer; calculating, using a piece of first relevant data obtained by inputting the first data to the inferencer trained by machine learning using the training dataset, a first contribution representing contributions of portions constituting the first data to a piece of first output data output by inputting the first data to the inferencer; calculating, using a piece of second relevant data obtained by inputting the second data to the inferencer, a second contribution representing contributions of portions constituting the second data to a piece of second output data output by inputting the second data to the inferencer; and determining whether to add the second data to the training dataset, according to the similarity between the first and second contributions.