Abstract: An apparatus includes a conduit configured to circulate magnetic fluid, and a magnetic field generator that applies a magnetic field to the magnetic fluid. The conduit includes at least four areas of a first conduit area in which the magnetic fluid receives heat from a heating unit, a second conduit area from the first conduit area to a cooling unit, a third conduit area in which the magnetic fluid is cooled by the cooling unit, and a fourth conduit area from the cooling unit to the heating unit. When the apparatus is used, a volume of the magnetic fluid in one of the first to fourth conduit areas, in which a flow direction of the magnetic fluid coincides with a gravity direction, is larger than that of another conduit area, in which the flow direction of the magnetic fluid does not coincide with the gravity direction.

Abstract: The present technology relates to a solid-state imaging device, a driving method therefor, and an electronic apparatus capable of acquiring a signal to detect phase difference and a signal to generate a high dynamic range image at the same time. The solid-state imaging device includes a pixel array unit in which a plurality of pixels that receives light of a same color is arranged under one on-chip lens. The plurality of pixels uses at least one pixel transistor in a sharing manner, some pixels out of the plurality of pixels are set to have a first exposure time, and other pixels are set to have a second exposure time shorter than the first exposure time. The present technology can be applied to, for example, a solid-state imaging device or the like.

Abstract: A method for controlling one of voting servers in an electronic voting system is provided. The method includes receiving, from a terminal, transaction data including voting data, and determining, by a processor, a block to include the transaction data from among multiple blocks. The method further includes generating, using the processor, the block including the transaction data, and connecting the block to a blockchain, the blockchain being stored in a memory.

Abstract: A semiconductor light-emitting device includes a substrate having a first energy bandgap, a first semiconductor layers on the substrate, an active layer on the first semiconductor layer, and a second semiconductor layer on the active layer. The active layer includes a quantum well layer, and a first barrier layer between the first semiconductor layer and the quantum well layer. The first semiconductor layer has a second energy bandgap wider than the first energy bandgap. The quantum well layer has a third energy bandgap narrower than the first and second energy bandgaps. The second semiconductor layer has a fourth energy bandgap wider than the third energy bandgap. The substrate has a refractive index greater than a refractive index of the first semiconductor layer. The refractive index of the first semiconductor layer is not less than a refractive index of the first barrier layer.

Abstract: A cover includes: a cover main body that is attached to an attachment target and that has an inner surface facing an attachment target side; a first projection portion that protrudes from the inner surface and that is formed along a first direction; an attachment portion that is attached to the inner surface of the cover main body and that has a facing surface facing the inner surface; and a second projection portion that protrudes from the facing surface, that is formed along the first direction, and that is in contact with the first projection portion in a second direction intersecting the first direction.

Abstract: The present technology relates to a solid-state imaging device, a driving method therefor, and an electronic apparatus capable of acquiring a signal to detect phase difference and a signal to generate a high dynamic range image at the same time. The solid-state imaging device includes a pixel array unit in which a plurality of pixels that receives light of a same color is arranged under one on-chip lens. The plurality of pixels uses at least one pixel transistor in a sharing manner, some pixels out of the plurality of pixels are set to have a first exposure time, and other pixels are set to have a second exposure time shorter than the first exposure time. The present technology can be applied to, for example, a solid-state imaging device or the like.

Abstract: A power storage system and an equalizing charge method capable of performing equalizing charging more efficiently are provided. In the power storage system, a plurality of assembled storage batteries connected to an external power supply system including rotary machine power generation and solar power generation are charged with surplus power in daytime generated by the rotary machine power generation and the solar power generation to store the surplus power and are discharged according to insufficient power generation by the rotary machine power generation to handle the insufficient power generation. An equalizing charging operation is performed on one or two or more assembled storage batteries selected from the plurality of assembled storage batteries at time of charging with the surplus power when it is determined that equalizing charging is required.

Abstract: An eyeglasses-type wearable device of an embodiment can handle various data inputs. The device includes right and left eye frames corresponding to positions of right and left eyes and nose pads corresponding to a position of a nose. Eye motion detection electrodes (sightline detection sensor electrodes) are provided with the nose pads to detect the eye motion of a user. Transmitter/receiver electrodes (capacitance sensor electrodes) of a gesture detector are provided with a part of the right and left eye frames to detect a gesture of the user. Various data inputs are achieved by a combination of input A corresponding to a gesture of the user detected by the gesture detector and input B corresponding to the eye motion of the user detected by the eye motion detector.

Abstract: A bipolar storage battery that can prevent outward leakage of an electrolytic solution and reduction of mechanical strength by strongly joining plates each holding a cell member, thereby ensuring hermeticity of the inside of a cell and the mechanical strength, and also making the bipolar storage battery compact while reducing the number of components. The bipolar storage battery includes an internal frame unit including a bipolar plate in which a positive pole is provided on one surface and a negative pole is provided on an other surface, and an internal rim is provided in an outer edge of the bipolar plate. A plurality of the internal frame units are stacked and adjacent internal rims are welded to each other. A ratio of a width of the internal rim to a depth of welding between the rims is between 2.7 times and 16.0 times, inclusive.

Abstract: A method for controlling one of a plurality of voting servers in an electronic voting system is provided. The method includes receiving, from a terminal, transaction data including voting data, and generating, using a processor, a block including the transaction data and dummy transaction data. The dummy transaction data including dummy voting data that is not associated with the voting data. The method further connects the generated block to a blockchain, the blockchain being stored in a memory.

Abstract: A wire-wound inductor component includes a core having a columnar shaft portion, first and second support portions provided on first and second end portions of the shaft portion, first and second terminal electrodes provided on the respective support portions, a wire wound around the shaft portion, and a cover member covering an upper surface of the shaft portion. In a height direction of the core, a distance between an upper surface and a top surface of the support portions is a top surface step, and a distance between a lower surface of the shaft portion and a bottom surface of the support portions is a bottom surface step. The top surface step is smaller than the bottom surface step and larger than a wire diameter, and a distance between the upper surface and an uppermost surface of the wire is larger than half of the top surface step.

Abstract: According to one embodiment, a system includes a wearable device configured to be attached to a display configured to display a display image. The wearable device features an optical component set featuring a lens, a first user operable member configured to set an adjustment value relating to a projection angle of the visual image, and a second user operable member configured to set an adjustment value relating to at least one of a color tone or a brightness of the visual image. A position of the visual image is changed by adjusting the projection angle of the visual image using the first user operable member so that the visual image is displayed at a position based on at least one of a shape or a size of the head of the user. The color tone or the brightness of the visual image is changed using the second user operable member.

Abstract: The photodynamic therapy device of the present disclosure is a photodynamic therapy device that irradiates light from a light source onto blood that has been taken out of a patient's body and is flowing in the blood tube, the blood having absorbed a photoreactive agent, to destroy an undesirable component in the blood or affect the component. The photodynamic therapy device includes the irradiation unit that includes a light source and irradiates the blood in the blood tube with light, and the circuit cooling block that cools the blood in the blood tube. The circuit cooling block is connected to the pump that circulates cooling water in the circuit cooling block, the reservoir tank, and the cooling unit that cools water by the water flow path for flowing the cooling water.

Abstract: Provided is a pharmaceutical composition for orally administering a pharmaceutical active ingredient which has a pH-dependent solubility profile, said pharmaceutical composition making it possible to achieve excellent scrubbing efficiency regardless of the pH inside the alimentary canal. Said oral pharmaceutical composition contains a pharmaceutical active ingredient which has a pH-dependent solubility profile, an inorganic or organic acid, and a hydrophilic polymer.

Abstract: Provided is a bipolar storage battery in which an electrolytic solution is less likely to enter the interface between a positive electrode and an adhesive layer. Thus, battery performance is less likely to be reduced even if growth occurs in the positive electrode due to corrosion by sulfuric acid contained in the electrolytic solution. The bipolar storage battery includes a bipolar plate including a support column configured to support adjacent plates to each other when stacked, a positive current collector bonded to one surface of the bipolar plate by an adhesive, a positive active material layer placed on the positive current collector, a negative current collector bonded to another surface of the bipolar plate by an adhesive, a negative active material layer placed on the negative current collector, and a cover plate covering a peripheral edge portion of the positive current collector.

Abstract: A bipolar storage battery includes a bipolar electrode including a positive electrode, a negative electrode, and a bipolar plate provided with the positive electrode on one surface and the negative electrode on another surface. The bipolar storage battery includes an adhesive provided between the one surface of the bipolar plate and the positive electrode to bond the positive electrode to the bipolar plate, and the adhesive is a liquid gasket. This configuration can provide a bipolar storage battery in which, even if corrosion by sulfuric acid contained in an electrolytic solution causes a growth in a positive electrode, the electrolytic solution is prevented from easily entering each part such as an interface between the positive electrode, an adhesive, and a communication hole, and battery performance is less likely to deteriorate.

Abstract: A bipolar battery includes a plurality of cell members, each including a positive electrode having a positive active material layer, a negative electrode having a negative active material layer, and an electrolyte layer interposed between the positive electrode and the negative electrode. The bipolar battery also includes a plurality of frame units respectively forming a plurality of cells respectively incorporating the plurality of cell members. Each of the plurality of frame units is a frame unit made of a light transmissive resin material. Two of the frame units made of the light transmissive resin material adjacent in a stacking direction of the cell members are welded and joined at a welded portion via a joining member made of a light absorbing resin material. This configuration can provide a bipolar battery capable of reliably preventing electrolytic solution leakage out of a cell by means of a simple seal structure.

Abstract: A bipolar battery includes a plurality of cell members and a plurality of frame units respectively forming a plurality of cells respectively incorporating the plurality of cell members. The plurality of frame units includes frame units made of a light transmissive resin material and frame units made of a light absorbing resin material that are alternately arranged in a stacking direction of the cell members. The frame units made of a light transmissive resin material and the frame units made of a light absorbing resin material adjacent in the stacking direction of the cell members are joined at welded portions. This configuration can provide a bipolar battery capable of reliably preventing electrolytic solution leakage out of a cell by means of a simple seal structure.

Abstract: A processor of a server includes: a keyword generator that narrows object images from video based on both activity information on the activity history of a user and a first level of narrowing down and generates candidate keywords, as candidate comments, by generating a candidate keyword for each of the images; an identifier that identifies one or more target keywords from among the candidate keywords generated by the keyword generator based on both the activity information and a second level of narrowing down; a comment generator that generates, for each of the one or more target keywords, a comment related to each target keyword; and an adjuster that adjusts the first level of narrowing down in the keyword generator and the second level of narrowing down in the identifier in accordance with processing information on processing performable by the keyword generator and processing performable by the identifier.

Abstract: A bipolar electrode for a bipolar lead-acid battery includes a base plate with a conduction through hole, a positive electrode stuck to a first surface of the base plate with an adhesion layer, and a negative electrode stuck to a second surface of the base plate with an adhesion layer. The bipolar electrode includes a conductor disposed in the through hole and has a bonding portion to which the positive electrode is electrically bonded on a first surface of the conductor and has a bonding portion to which the negative electrode is electrically bonded on a second surface of the conductor. The conductor has a projecting portion surrounding the periphery of the bonding portion on both the first surface and the second surface. By preventing contamination of the bonding portion with an adhesive, the bonding reliability between a positive electrode lead layer and a negative electrode lead layer is improved.