Abstract: The superconducting magnet device reduces the number of connections within and/or the number of wires leading out of a superconducting coil winding and promptly starts expending the magnetic energy in a superconducting coil operating in a persistent-current mode when the superconducting coil increases in temperature or transitions to normal conductivity. This invention provides a superconducting magnet device that has the following: a superconducting coil connected to an excitation power supply; a persistent-current switch connected to the superconducting coil; a heater that controls the temperature of the persistent-current switch; a current source that is connected in parallel with the persistent-current switch and has a different polarity from the excitation power supply; a driving circuit connected to the heater and the current source; and a signal-inputting means for inputting a signal to the driving circuit.

Abstract: A positioning sensor includes m receiving antennas connected to a feeder circuit and n variable loads, and a receiver that receives a first signal via the m receiving antennas. The positioning sensor further includes a memory that stores a first signal strength value of a first signal that the receiver receives when a variable load varies in value, and a processor that calculates a second signal strength value from a complex propagation channel, searches for a complex propagation channel candidate that has a minimum difference between a first signal strength and a second signal strength, determines the complex propagation channel candidate to be a complex propagation channel when the receiver receives the first signal, and estimates an incoming direction of the first signal from the determined complex propagation channel.

Abstract: A rotating electrical machine includes a rotor core, a rotor shaft, a coil, a bind, a lead-out wire of which one end is connected to the coil and the other end is connected to a neutral ring. A filling is filled between the coil and the neutral ring. The neutral ring is formed with a plurality of members that are connected with one another to have flexibility.

Abstract: A sensor includes at least one transmitting station including a transmission antenna; a plurality of receiving stations each including a reception array antenna; a first circuit that extracts, from signals observed by the reception array antenna of each of the plurality of receiving stations, living-body components, which are signal components transmitted from the transmission antenna and reflected by at least one living body; a second circuit that calculates, from the extracted living-body components, a plurality of position spectral functions, which are evaluation functions for evaluating a position of the at least one living body when viewed from the plurality of respective receiving stations; and a third circuit that integrates the plurality of calculated position spectral functions into one position spectral function, and calculates at least one maximum value of the position spectral function obtained as a result of integration to estimate the position of the at least one living body.

Abstract: A sensor includes: a transmitting antenna with N transmitting antenna elements transmitting transmission signals; a receiving antenna with M receiving antenna elements, each receiving N received signals including a reflection signal generated by the living body reflecting part of the N transmission signals; a circuit; and a memory. The circuit extracts a second matrix corresponding to a specified frequency range from an N×M first matrix calculated from each received signal and indicating a propagation property between each transmitting antenna element and each receiving antenna element, estimates the position where the living body is present using the second matrix, calculates a radar cross-section (RCS) value of the living body based on the estimated position and the positions of the transmission and receiving antennas, and estimates the motion of the living body using the calculated RCS value and information indicating correspondence between RCS values and motions of the living body.

Abstract: The present invention provides a dispersion liquid of anion-modified cellulose nanofibers and a composition of anion-modified cellulose nanofibers that are not colored when heated. Specifically, the dispersion liquid contains anion-modified cellulose nanofibers; an anti-coloring agent selected from the group consisting of borate salts and sulfite salts, or combinations thereof in an amount of 1 to 30 mass % based on an absolute dry mass of the anion-modified cellulose nanofibers; and a solvent.

Abstract: A device that differentiates a living body includes at least one transmission antenna element that transmits a transmission signal to a predetermined range including the living body, N receivers that are arranged to surround a periphery of the predetermined range and each receive N reception signals using respective reception antenna elements of the receivers during a predetermined period, the N reception signals including a reflection signal resulting from the transmission signal reflected off the living body, memory that stores a teacher signal, a circuit that calculates a plurality of correlation coefficients according to the teacher signal and the N reception signals received by the N receivers and determines that the living body and the subject living body are identical to each other when a predetermined correlation coefficient included in the plurality of correlation coefficients is included in a predetermined value range.

Abstract: Sample transferring can be securely and easily performed between an FIB device, an electron microscope, and an atom probe device, and atom probe analysis can be performed to a material that easily alters due to atmospheric exposure. A sample holder that holds a sample (12) is provided with an atmosphere-isolation mechanism that prevents the sample from altering due to the atmospheric exposure upon the sample transferring between the devices. There is provided a structure enabling of attaching and detaching a housing (21) of a sample holder leading end of a part of the atmosphere-isolation mechanism in an analytical vacuum device, such as the atom probe device.

Abstract: The present invention provides, inter alia, a method for producing a masterbatch in which the dispersibility of microfibrillated plant fibers is further increased to obtain excellent processability and improved rubber properties such as fuel economy, tensile strength, and elongation at break. The present invention relates to a method for producing a masterbatch, the method including step (I) of mixing a rubber latex with microfibrillated plant fibers oxidized with an N-oxyl compound to obtain a mixture, and coagulating the mixture by adjusting its pH to 2 to 6.

Abstract: A sensor includes a transmit antenna, a receive antenna, circuitry, and a memory. The transmit antenna includes N transmit antenna elements each transmitting a transmit signal. The receive antenna includes M receive antenna elements each receiving N receive signals including reflection signals reflected by an organism. The circuitry extracts a second matrix corresponding to a predetermined frequency range from an N×M first matrix representing propagation characteristics between each transmit antenna element and each receive antenna element calculated from the receive signals. The circuitry estimates the position of the organism by using the second matrix, and calculates a radar cross-section value with respect to the organism, based on the estimated position and the positions of the transmit antenna and the receive antenna.

Abstract: This superconducting magnet includes: a superconducting coil that is formed by winding a first superconducting wire rod; a second superconducting wire rod, which is disposed by being thermally in contact with and electrically insulated from the superconducting coil, and which has a superconducting transition temperature that is lower than that of the first superconducting wire rod; voltage terminals that are disposed at a plurality of areas of the second superconducting wire rod; a voltmeter connected to the voltage terminals; and a switch circuit connected to the voltmeter. The switch circuit interrupts a current when receiving an output from the voltmeter, the current being one that is to be supplied to the superconducting coil.

Abstract: A wireless connection authentication method includes: receiving first information transmitted by a first access point according to a message transmitted from a first wireless communications apparatus; receiving second information transmitted by a second access point according to a message transmitted from a second wireless communications apparatus which has already established communication with a second access point; and, if the first access point indicated in the first information and the second access point indicated in the second information are the same access point, determining the same access point as a connection destination access point of the first wireless communications apparatus.

Abstract: A vehicle body front structure including: a bumper beam; side member; and crash-box including a polygonal-tubular-body, the crash-box between the bumper beam end and side member with the tubular body parallel axis to the vehicle front-rear direction, wherein the crash-box absorbs impact energy as the tubular body is collapsed under compressive load applied from the bumper beam. The polygonal-tubular-body includes outer and inner sidewalls, wherein the outer and inner sidewalls are inclined laterally outwardly in the vehicle as they approach the bumper beam, wherein the outer sidewall inclination angle with respect to the vehicle front-rear direction is greater than the inner sidewall inclination angle. The bumper beam has at the end a first portion whose front side surface is perpendicular to the vehicle front-rear direction, extending from the terminal of the beam inwardly at least to the same lateral location as the laterally outer side of the side member.

Abstract: Areas having different isotopic ratios are artificially introduced into a metal material before sintering, a heat treatment, or Grain boundary diffusion, and atom probe analysis results before and after sintering, a heat treatment, or grain boundary diffusion are compared to evaluate a change in isotopic distribution over time.

Abstract: A vehicle bumper beam including an outer member, and an inner member such that a pair of second standing walls of the inner member are configured to be tilted at a tilt angle of 20° or less so as to open outward and symmetrically in the vertical direction as the second standing walls extend farther away from an inner member second projecting wall, and a pair of first standing walls of the outer member are configured to be tilted at substantially the same angle as the tilt angle of the second standing walls so as to open outward and symmetrically in the vertical direction as the first standing walls extend farther away from a first projecting wall.

Abstract: The present disclosure aims to provide a high-durability switch device. The switch device includes: a switch key top and a switch key bottom that are freely displaceable relative to each other, the switch key top including key top reception and transmitting coils that are connected to each other, and the switch key bottom including: a key bottom transmitting coil having a relative positional relationship with the key top receiving coil that changes according to a relative displacement operation with respect to the switch key top; a key bottom receiving coil having a relative positional relationship with the key top transmitting coil that changes according to the relative displacement operation with respect to the switch key top; a current supplier supplying current to the key bottom transmitting coil; and a determiner determining relative displacement with respect to the switch key top from induced current in the key bottom receiving coil.

Abstract: A sensor includes a reception antenna, a parasitic antenna terminating in a variable load, a controller, a transmitter transmitting a transmission signal, a receiver, a memory, and a processor. The controller sets an impedance value of the variable load. The receiver receives a first signal formed of signals received by the antennas and derived from the transmission signal, and the signal received by the parasitic antenna corresponding to the impedance value. The memory stores a first signal strength value of the first signal corresponding to the impedance value. The processor sets candidates of a complex propagation channel, calculates second signal strength values of a second signal respectively corresponding to the candidates, estimates a target complex propagation channel by selecting a candidate corresponding to a minimum difference among differences between the first signal strength value and the second signal strength values, and estimates a direction of arrival of the first signal.

Abstract: A proximity wireless communication device includes a first housing and a second housing, and they are provided with respective two antennas. In the first housing, a first antenna and a second antenna are configured to be disposed on different parallel planes, and in the second housing, a third antenna and a fourth antenna are configured to be disposed on different parallel planes. Then, the first antenna and the third antenna carry out non-contact near-field wireless communication facing in proximity and the second antenna and the fourth antenna carry out non-contact near-field wireless communication facing in proximity.

Abstract: A rotating electric machine comprises a field winding provided on a rotor iron core and a neutral ring supported independently of the field winding, wherein: the field winding and the neutral ring are electrically connected to each other through a connecting wire; the neutral ring is disposed spaced with respect to the rotor iron core; and the connecting wire absorbs the stress difference between the field winding and the neutral ring when a centrifugal stress is applied.

Abstract: A permanent current switch device of a refrigerator cooling-type superconducting magnet includes a superconducting coil cooled by solid thermal conduction and a permanent current switch. A heat transfer member is thermally connected to a cooling stage and is structured to be inserted into and removable from a former of the permanent current switch. Due to differences in thermal expansion between the heat transfer member and the former, a permanent current mode can be stably maintained.