Abstract: A wave reducer includes a cam, a flex gear, an internal gear, an angle sensor, a thrust sensor, and a circuit. The angle sensor is located in the flex gear and an output value thereof changes in accordance with a rotation angle of the cam. The thrust sensor is located in the flex gear and an output value thereof changes according to a thrust force applied to the cam. The circuit is electrically connected with the angle sensor and the thrust sensor. The circuit corrects an output value of the angle sensor based on an output value of the thrust sensor.

Abstract: A machine component includes a base portion and strain gauges. The base portion extends in a direction intersecting a central axis. The strain gauges are provided on the base portion and arrayed in a circumferential direction about the central axis. Gap regions are provided between adjacent strain gauges in the circumferential direction. The gap regions include gap regions arranged at angular intervals of approximately 90° about the central axis.

Abstract: A work machine includes a traveling unit, a work implement mounted to the traveling unit, a parking brake, and a controller. The controller restricts operation of the work implement in a state in which the parking brake is released, when the controller detects a fault that allows the work machine to remain operable.

Abstract: The control device includes an acquisition unit configured to repeatedly acquire a first detection signal output according to a tilt amount of an operation lever by a first tilt amount sensor configured to detect the tilt amount of the operation lever of the work equipment tilted from a neutral position in a first direction or a second direction opposite to the first direction, and a second detection signal output according to the tilt amount by a second tilt amount sensor configured to detect the tilt amount, and a control unit configured to repeatedly determine whether or not the first detection signal and the second detection signal are a value corresponding to the neutral position at a time of start of the work machine, and output an alarm indicating that both of the first detection signal and the second detection signal are not the value corresponding to the neutral position.

Abstract: A control device includes an acquisition unit configured to acquire a first detection signal output according to a tilt amount of an operation lever by a first tilt amount sensor configured to detect the tilt amount of the operation lever of work equipment tilted from a neutral position in a first direction or a second direction opposite to the first direction, and a second detection signal output according to the tilt amount by a second tilt amount sensor configured to detect the tilt amount, and a control unit configured to determine whether or not the first detection signal and the second detection signal are a value corresponding to the neutral position at the time of start of a work machine, generate and output a control signal for controlling the work equipment where both the first detection signal and the second detection signal are the value corresponding to the neutral position.

Abstract: A wave reducer includes a cam, a flex gear, an internal gear, an angle sensor, a thrust sensor, and a circuit. The angle sensor is located in the flex gear and an output value thereof changes in accordance with a rotation angle of the cam. The thrust sensor is located in the flex gear and an output value thereof changes according to a thrust force applied to the cam. The circuit is electrically connected with the angle sensor and the thrust sensor. The circuit corrects an output value of the angle sensor based on an output value of the thrust sensor.

Abstract: A semiconductor device including: a semiconductor chip including redistribution wiring; a lead frame including a die pad mounted with the semiconductor chip and a lead connected to the die pad, wherein the redistribution wiring and the die pad are electrically connected by a solder or a conductive adhesive; and a sealing member that seals the semiconductor chip.

Abstract: An annular body includes a base portion and a resistance wire located in the base portion and including first and second resistance wire portions. The first resistance wire portion includes first regions arranged at intervals in the circumferential direction and each including a region in which a first portion extending in a direction including components in both the radial direction and the circumferential direction is repeatedly provided in the circumferential direction. The second resistance wire portion includes the second regions arranged at intervals in the circumferential direction and each including a region in which a second portion extending in a direction including components in both the radial direction and the circumferential direction is repeatedly arranged in the circumferential direction.

Abstract: A drive device includes a motor, a reducer to decelerate rotational motion output from the motor, and a target object operable by rotational motion output from the reducer. A controller is configured or programmed to control the motor based on a detection value of a sensor mounted on the reducer.

Abstract: A sensor includes a base, and first and second resistance lines. The base extends in a direction intersecting with a central axis. The first resistance lines are arrayed in a circumferential direction on a surface of the base. The second resistance lines are arranged concentrically with the first resistance lines and between the first resistance lines in the circumferential direction on the surface of the base. In the first resistance lines, the number of regions of the resistance line along the circumferential direction is one or less, and the number of regions of the resistance line along a radial direction is one or less. The sensor is able to provide improved detection accuracy.

Abstract: An annular body includes a base, a first resistance wire, a second resistance wire, a first terminal, and a second terminal. The base surrounds a central axis and expands in a direction intersecting the central axis. Resistance values of the first and second resistance wires change according to strain of the base. The first terminal is electrically connected to the end of the first resistance wire. The second terminal is electrically connected to an end of the second resistance wire. The first terminal is at a first position in the circumferential direction. The second terminal is at a second position in the circumferential direction. When viewed in the axial direction, the central angle defined by the first position, the central axis, and the second position is equal to or greater than about 90°.

Abstract: An external gear includes a body, external teeth, a diaphragm, and a strain gauge. The diaphragm extends in a direction intersecting with an axial direction on another side in of the body the axial direction. The strain gauge is on at least one of a surface on one side of the diaphragm in the axial direction and a surface on another side of the diaphragm in the axial direction. The strain gauge is only in a region that is about a half or less of a radial length from one end of the diaphragm in the axial direction to the other end of the diaphragm in the axial direction with a radial midpoint between the one end of the diaphragm in the axial direction and the other end of the diaphragm in the axial direction as a center in a section passing through the central axis.

Abstract: To provide a disposable diaper enabling reduction in re-wet amount and having an excellent speed of incorporating liquid regardless of concentration and configuration of a water-absorbing agent in an absorbent material. A water-absorbing agent having excellent Gel Capillary Absorption (GCA) and Free Gel Bed Permeability (FGBP) is obtained by crushing a crosslinked hydrogel polymer obtained in a polymerization step to have a specific weight average particle diameter while fluid retention capacity and a surface tension of a water-absorbing agent are adjusted in a specific range, drying the crushed crosslinked hydrogel polymer, and then adding a liquid permeability enhancer thereto during surface crosslinking or after surface crosslinking.

Abstract: A machine component includes a base portion and strain gauges. The base portion extends in a direction intersecting a central axis. The strain gauges are provided on the base portion and arrayed in a circumferential direction about the central axis. Gap regions are provided between adjacent strain gauges in the circumferential direction. The gap regions include gap regions arranged at angular intervals of approximately 90° about the central axis.

Abstract: A grinding material includes a base sheet and a grinding layer overlaid on a front face side of the base sheet and including abrasive grains and a binder for the abrasive grains. The grinding layer includes the abrasive grains of a plurality of types. Of the abrasive grains of the plurality of types, provided that first abrasive grains have the largest average diameter and second abrasive grains have the second largest average diameter, the percentage of the average diameter of the second abrasive grains with respect to that of the first abrasive grains is 5-70%. The total content of the abrasive grains in the grinding layer is preferably 50-85% by volume. The content of the first abrasive grains in the grinding layer is preferably 1-25% by volume. The first abrasive grains are preferably diamond abrasive grains and the second abrasive grains are preferably alumina abrasive grains.

Abstract: An annular body includes a base, a first resistance wire, a second resistance wire, a first terminal, and a second terminal. The base surrounds a central axis and expands in a direction intersecting the central axis. Resistance values of the first and second resistance wires change according to strain of the base. The first terminal is electrically connected to the end of the first resistance wire. The second terminal is electrically connected to an end of the second resistance wire. The first terminal is at a first position in the circumferential direction. The second terminal is at a second position in the circumferential direction. When viewed in the axial direction, the central angle defined by the first position, the central axis, and the second position is equal to or greater than about 90°.

Abstract: Provided are a water-absorbing resin having more excellent balance of fluid retention capacity, liquid permeability, and low dustiness and a novel measurement method which enables evaluation of excellent physical properties of the water-absorbing resin. A method for measuring an absorption speed of a particulate water-absorbing agent is a method including the step of applying pressure to a portion of a bottom surface of a measurement container (51) by use of a flat plate (52) in a state in which part or whole of the particulate water-absorbing agent (56) is fixed on the bottom surface of the measurement container (51), the bottom surface being surrounded by a frame, introducing an aqueous solution through a liquid injection inlet (54) with which the flat plate (52) is equipped, and then measuring the amount of time elapsed until an end of absorption of the introduced aqueous solution by the particulate water-absorbing agent (56).

Abstract: To provide a disposable diaper enabling reduction in re-wet amount and having an excellent speed of incorporating liquid regardless of concentration and configuration of a water-absorbing agent in an absorbent material. A water-absorbing agent having excellent Gel Capillary Absorption (GCA) and Free Gel Bed Permeability (FGBP) is obtained by crushing a crosslinked hydrogel polymer obtained in a polymerization step to have a specific weight average particle diameter while fluid retention capacity and a surface tension of a water-absorbing agent are adjusted in a specific range, drying the crushed crosslinked hydrogel polymer, and then adding a liquid permeability enhancer thereto during surface crosslinking or after surface crosslinking.

Abstract: An annular body includes a base portion and a resistance wire located in the base portion and including first and second resistance wire portions. The first resistance wire portion includes first regions arranged at intervals in the circumferential direction and each including a region in which a first portion extending in a direction including components in both the radial direction and the circumferential direction is repeatedly provided in the circumferential direction. The second resistance wire portion includes the second regions arranged at intervals in the circumferential direction and each including a region in which a second portion extending in a direction including components in both the radial direction and the circumferential direction is repeatedly arranged in the circumferential direction.

Abstract: An external gear includes a body, external teeth, a diaphragm, and a strain gauge. The diaphragm extends in a direction intersecting with an axial direction on another side in of the body the axial direction. The strain gauge is on at least one of a surface on one side of the diaphragm in the axial direction and a surface on another side of the diaphragm in the axial direction. The strain gauge is only in a region that is about a half or less of a radial length from one end of the diaphragm in the axial direction to the other end of the diaphragm in the axial direction with a radial midpoint between the one end of the diaphragm in the axial direction and the other end of the diaphragm in the axial direction as a center in a section passing through the central axis.