Abstract: A paper feeder includes a processor configured to, in a case of lowering a paper feed tray on which paper is placed in an accommodation section that accommodates paper and replenishing paper, the paper feed tray being controlled to be raised/lowered in a case of replenishing paper, control a lowering amount of the paper feed tray according to a number of sheets of paper to be replenished.

Abstract: An array-type light-emitting device includes multiple pixel circuits electrically coupled in parallel and spatially arranged in a matrix. A power supply circuit supplies electric power to the array-type light-emitting device. A DC/DC converter has an output coupled to a power supply terminal of the array-type light-emitting device via a power supply line. A power supply control circuit sets a target value that corresponds to a light distribution pattern, and controls the DC/DC converter such that the control target voltage approaches the target value.

Abstract: A variable light distribution light source includes an array-type light-emitting device. The array-type light-emitting device includes a power supply terminal and multiple pixel circuits electrically coupled and spatially arranged in a matrix. A power supply circuit includes a power supply unit that supplies electric power to the array-type light-emitting device. An output of a DC/DC converter is coupled to the power supply terminal VDD of the array-type light-emitting device via an output terminal. A voltage setting circuit generates a controllable correction voltage. A feedback circuit generates a feedback voltage based on the correction voltage and the control target voltage that corresponds to the output voltage of the DC/DC converter, and supplies the feedback voltage to a feedback pin of a converter controller.

Abstract: A battery pack includes a sub-end plate disposed between a cell stack and a main end plate. The sub-end plate includes a first surface that faces the cell stack, and a second surface that faces the main end plate. A contact portion that protrudes toward and comes into contact with the main end plate, and a non-contact portion that is positioned laterally with respect to the contact portion, and forms a space between the non-contact portion and the main end plate and does not come into contact with the main end plate at least when the main end plate is not elastically deformed in a direction away from the cell stack by being pressed by the contact portion are formed on the second surface.

Abstract: A power storage device includes power storage cells stacked in one direction, a case for accommodating the power storage cells, and a restriction unit placed in the case and restricting a relative displacement of each power storage cell to the case in the one direction. The restriction unit shows a first modulus of elasticity when each power storage cell is displaced relative to the case at a first velocity and shows a second modulus of elasticity when each power storage cell is displaced relative to the case at a second velocity in the one direction. The first velocity is a relative velocity of each power storage cell to the case when each power storage cell expands, the second velocity is higher than the first velocity, and the second modulus of elasticity is higher than the first modulus of elasticity.

Abstract: A power storage device includes a plurality of power storage cells, a case for accommodating the plurality of power storage cells, and a covering portion made of an insulating material and covering a part of each of the plurality of power storage cells. Each power storage cell includes a plurality of electrode bodies, a current collector plate connected to the plurality of electrode bodies, a laminated film covering the plurality of electrode bodies and a part of the current collector plate, and an electrolyte solution filling the laminated film. The current collector plate includes a protrusion protruding from the laminated film. The covering portion covers the protrusion.

Abstract: A power storage device includes a power storage module, an accommodation case, a first plate portion, and a second plate portion. The first plate portion is provided with a first protrusion and a second protrusion. The first protrusion and the second protrusion are formed to extend in a first intersecting direction intersecting with the stacking direction. The second plate portion is provided with a third protrusion and a fourth protrusion. The third protrusion and the fourth protrusion are formed to extend in a second intersecting direction intersecting with the stacking direction and the first intersecting direction.

Abstract: A power storage device includes: a power storage module; and a first bus bar and a second bus bar that are connected to the power storage module. The power storage module includes: a first long side portion and a second long side portion, and a first short side portion and a second short side portion. The power storage module includes a first current collector plate provided in the first long side portion, and a second current collector plate provided in the second long side portion. The first bus bar includes a first connecting portion provided in the first current collector plate. The second bus bar includes a second connecting portion provided in the second current collector plate.

Abstract: A power storage cell comprises an electrode assembly that is composed of a first electrode sheet, a separator and a second electrode sheet stacked in layers, a collector plate that is disposed adjacent to the electrode assembly and has the first electrode sheet connected thereto, and a laminate film that seals the electrode assembly and the collector plate inside, wherein a portion of the laminate film that is located on a major surface of the collector plate has at least one exposure hole that exposes a portion of the collector plate.

Abstract: A power storage cell comprises an electrode assembly, a collector plate that has the first electrode sheet connected thereto, and a laminate film, wherein the collector plate has a peripheral edge portion including an inner side located closer to the electrode assembly and an outer side located on a side opposite to the electrode assembly with respect to the inner side, the collector plate is provided with a welding portion and an adhesive portion, and when a direction from the inner side toward the outer side is defined as a first direction and a direction intersecting the first direction is defined as a second direction, the welding portion and the adhesive portion are aligned in the second direction.

Abstract: A power storage includes a power storage module in which power storage cells are stacked in a direction of stack and a casing in which the power storage module is accommodated. Each of the power storage cells includes an electrode assembly, an exterior film with which the electrode assembly is sealed, and a positive electrode lead and a negative electrode lead that are connected to the electrode assembly and protrude from the exterior film. The exterior film includes an expansion portion on the outside of the electrode assembly in a direction different from a direction of protrusion of the positive electrode lead and the negative electrode lead from the exterior film, the expansion portion being expandable when gas is generated in inside of the exterior film. An expansion allowable space where expansion of the expansion portion is allowed is provided between the casing and the power storage module.

Abstract: A battery module includes a secondary battery and a case accommodating the secondary battery. The case has a case body that is open downward, and a cover member covering an opening of the case body. The cover member has a support that supports the secondary battery above a lower end portion of the case body, and an opposing portion extending downward from an edge of the support, the opposing portion opposing the lower end portion of the case body. The opposing portion is secured to the lower end portion of the case body.

Abstract: A power storage device includes: a power storage module including a plurality of power storage cells; and a restriction unit disposed between the power storage cells. The restriction unit includes: a first flat plate and a second flat plate; and a corrugated plate disposed between the first flat plate and the second flat plate. The corrugated plate has a plurality of first curved portions and a plurality of second curved portions. Each of the first curved portions has a shape curved to protrude toward one side in the stacking direction. Each of the second curved portions has a shape curved to protrude toward the other side in the stacking direction. The first curved portions and the second curved portions are alternately arranged in a direction intersecting with the stacking direction and the intersecting direction.

Abstract: A power storage device includes: a power storage module including power storage cells; an accommodation case; and a plate portion. Each of the power storage cells includes: an exterior body; and an electrode assembly and an electrolyte solution that are accommodated in the exterior body. The plate portion includes a fixed section and a corrugated plate portion. In a plan view of the plate portion as seen from a position away from the plate portion in the stacking direction, the corrugated plate portion is formed to deform so as to extend toward a central point of the electrode assembly when the corrugated plate portion receives pressing force applied in the stacking direction.

Abstract: A power storage unit includes power storages each including a long side portion and a short side portion, each of the power storage being in a longitudinal shape. The power storages include first power storages arranged on one side in a first direction, second power storages arranged on the other side in the first direction, and at least one third power storage arranged between the first power storages and the second power storages. The first power storages and the second power storages are arranged as being aligned in a second direction in horizontal arrangement, and the at least one third power storage is arranged in longitudinal arrangement.

Abstract: A power storage includes a stack made of stacked power storage cells and a casing in which the stack is accommodated. The casing includes a pair of wall portions provided such that the stack lies therebetween in a direction of stack. Each of the pair of wall portions includes a central portion located in a center in a plane direction orthogonal to the direction of stack and an outer peripheral portion located around the central portion. Each of the pair of wall portions is in such a recessed shape that the central portion is closer to the stack than the outer peripheral portion. The stack is sandwiched between the central portions included in the pair of wall portions.

Abstract: A power storage device includes: a stack in which a plurality of power storage cells are stacked in a stacking direction; and an accommodation case that accommodates the stack. The accommodation case includes: a top plate and a bottom plate each facing the stack in the stacking direction; and a side wall facing the stack in a width direction orthogonal to the stacking direction. The side wall has an extension portion extending in a direction intersecting with the stacking direction.

Abstract: A power storage device includes a case body made of metal and having an opening that opens in at least one direction, a power storage module placed inside the case body, a closing plate made of metal and welded to the case body so as to close the opening of the case body, an insulating sheet covering an inner surface of the case body and an inner surface of the closing plate, and a covering portion made of an insulating material and covering a boundary portion between the inner surface of the case body and the inner surface of the closing plate.

Abstract: A power storage device includes power storage cells and a bus bar. Each power storage cell includes positive-electrode sheets, negative-electrode sheets, a positive-electrode current collector plate, a negative-electrode current collector plate, and a laminated film. The positive-electrode current collector plate includes a positive-electrode protrusion shaped to protrude from the laminated film, and the negative-electrode current collector plate includes a negative-electrode protrusion shaped to protrude from the laminated film. The power storage cells are stacked such that the positive electrode protrusion in one power storage cell and the negative-electrode protrusion in another power storage cell adjacent to the one power storage cell face each other in the one direction. The bus bar is shaped to extend in the one direction and connects the positive-electrode protrusion to the negative-electrode protrusion.

Abstract: An aircraft and a control method therefor. The aircraft has: a velocity acquisition unit that acquires the velocity of the aircraft; a roll angle calculation unit that calculates the roll angle of the aircraft; a turning radius calculation unit that calculates the turning radius of the aircraft on the basis of the velocity and the roll angle; and a yaw rate calculation unit that calculates the yaw rate of the aircraft on the basis of the velocity and the turning radius. A control unit controls flight of the aircraft on the basis of the roll angle and the yaw rate.