Abstract: Provided is a magnetic field detection device that includes a first and second soft magnetic bodies, and a magnetic detector. The first and second soft magnetic bodies extend along a first plane and are disposed in confronted relation in a third direction. The first plane includes both a first direction and a second direction orthogonal to the first direction. The third direction is orthogonal to both the first and second directions. The magnetic detector is provided between the first and second soft magnetic bodies in the third direction.

Abstract: The magnetic sensor of the invention has an element portion that is elongate, that exhibits magnetoresistive effect and that has a magnetically sensitive axis in a direction of a short axis thereof. The element portion is non-oval and can be arranged in an imaginary ellipse, wherein the imaginary ellipse has a major axis that connects both ends of the element portion with regard to a direction of a long axis thereof to each other and a minor axis that connects both ends of the element portion with regard to a direction of the short axis thereof to each other, as viewed in a direction that is perpendicular both to the short axis and to the long axis of the element portion.

Abstract: A magnetic sensor includes a magnetic field converter, a magnetic field detector, and a plurality of shields aligned in a Y direction. The magnetic field converter includes a plurality of yokes. Each yoke has a shape elongated in the Y direction, and is configured to receive an input magnetic field component in a direction parallel to a Z direction and to output an output magnetic field component in a direction parallel to an X direction. The magnetic field detector includes a plurality of trains of elements. Each train of elements includes a plurality of MR elements that are aligned in the Y direction along one yoke and connected in series. Each shield has such a shape that its maximum dimension in the Y direction is smaller than its maximum dimension in the X direction.

Abstract: A position detection device includes a magnet that generates a magnetic field to be detected, and a magnetic sensor. The magnetic sensor detects the magnetic field to be detected and generates a detection value corresponding to the position of the magnet. The magnetic field to be detected has a first direction that changes within a first plane, at a reference position in the first plane. The magnetic sensor includes four MR elements. Each of the MR elements includes a first magnetic layer having first magnetization that can change in direction within a second plane corresponding to the each of the MR elements. The first plane and the second plane intersect at a dihedral angle ? other than 90°. A detection value depends on the direction of the first magnetization.

Abstract: A magnetic sensor includes a magnetic field converter, a magnetic field detector, and a plurality of shields aligned in a Y direction. The magnetic field converter includes a plurality of yokes. Each yoke has a shape elongated in the Y direction, and is configured to receive an input magnetic field component in a direction parallel to a Z direction and to output an output magnetic field component in a direction parallel to an X direction. The magnetic field detector includes a plurality of trains of elements. Each train of elements includes a plurality of MR elements that are aligned in the Y direction along one yoke and connected in series. Each shield has such a shape that its maximum dimension in the Y direction is smaller than its maximum dimension in the X direction.

Abstract: A solid-state imaging device includes a first light receiving unit and second light receiving units. In the first light receiving unit, a plurality of pixel pairs are arrayed along an x direction. In each of the second light receiving units, a plurality of pixels each for generating charges in an amount according to a light receiving amount are arrayed along a y direction. Each pixel pair includes a first pixel and a second pixel. When line-shaped light extending in the x direction is incident on the first light receiving unit, as a light incident position varies from one side to another side in the y direction, a charge amount generated in the first pixel gradually decreases, and a charge amount generated in the second pixel gradually increases.

Abstract: A position detection device includes a magnet that generates a magnetic field to be detected, and a magnetic sensor. The magnetic sensor detects the magnetic field to be detected and generates a detection value corresponding to the position of the magnet. The magnetic field to be detected has a first direction that changes within a first plane, at a reference position in the first plane. The magnetic sensor includes four MR elements. Each of the MR elements includes a first magnetic layer having first magnetization that can change in direction within a second plane corresponding to the each of the MR elements. The first plane and the second plane intersect at a dihedral angle ? other than 90°. A detection value depends on the direction of the first magnetization.

Abstract: A semiconductor device according to an embodiment includes a first conductive layer extending like a plate in a first direction; a second conductive layer extending like a plate in a second direction intersecting the first direction; and a first memory film arranged in such a manner as to be sandwiched between the first conductive layer and the second conductive layer in a third direction intersecting the first direction and the second direction in a region where the first conductive layer and the second conductive layer intersect, wherein a memory cell is configured in an arc shape in the region where the first conductive layer and the second conductive layer intersect using a part of the first conductive layer, a part of the first memory film, and a part of the second conductive layer.

Abstract: According to one embodiment, a semiconductor memory device includes: a stacked structure including a plurality of first layers stacked with a second layer therebetween above a substrate having a memory region in which a plurality of memory cells are arranged and an outer edge portion surrounding the memory region, the stacked structure having a stepped portion at which ends of the first layers form a stepped shape at an end of the stacked structure in a first direction within the memory region, wherein at least some of the first layers among the plurality of first layers extend, along a second direction perpendicular to the first direction, from above the outer edge portion at a first end side of the substrate through above the memory region over the substrate to above the outer edge portion at a second end side of the substrate.

Abstract: A battery monitoring system includes a monitoring unit that monitors a battery and a higher device that is provided with monitoring data obtained by monitoring of the battery by the monitoring unit and saves, by using a blockchain, at least part of specific information included in the monitoring data. The higher device includes a block generation unit that generates a new block including a hash value based on the at least part of the specific information and a last block linked at an end of the blockchain, and an external communication device configured to save, in a distributed manner in a plurality of external devices, the new block generated by the block generation unit. At least one of the monitoring unit or the higher device is provided with a data protection unit configured to ensure reliability of the monitoring data.

Abstract: A distance image acquisition apparatus includes a light source, an irradiation optical system, an imaging optical system, an imaging element, and a processing unit. The imaging element receives a light pulse output from the light source, reflected by an object, and passed through the imaging optical system on a light receiving surface. Each of a plurality of pixels on the light receiving surface includes a photodiode for generating charges by receiving light, and a charge accumulation portion for accumulating the charges generated in the photodiode. The processing unit commonly applies a control pattern to the plurality of pixels. The control pattern indicates a period in which the charges generated in the photodiode are accumulated in the charge accumulation portion. The processing unit acquires a distance image of the object based on an amount of charges generated in the photodiode and accumulated in the charge accumulation portion.

Abstract: According to one embodiment, a semiconductor memory device includes: a stacked structure including a plurality of first layers stacked with a second layer therebetween above a substrate having a memory region in which a plurality of memory cells are arranged and an outer edge portion surrounding the memory region, the stacked structure having a stepped portion at which ends of the first layers form a stepped shape at an end of the stacked structure in a first direction within the memory region, wherein at least some of the first layers among the plurality of first layers extend, along a second direction perpendicular to the first direction, from above the outer edge portion at a first end side of the substrate through above the memory region over the substrate to above the outer edge portion at a second end side of the substrate.

Abstract: An image acquisition device includes a mask member that includes a mask pixel that changes a transmittance of some parallel waves from a subject on a plane intersecting with an incident direction of the parallel wave, a detector that includes a plurality of pixels that is arranged in a direction intersecting with the incident direction of the parallel wave and detects the parallel wave that has passed through the mask member, and an image processing device that reconstructs an image using compressed sensing based on data regarding a relative moving amount between the mask member and the subject and detection signals of the plurality of pixels input from the detector, in which a size of the mask pixel of the mask member on the plane is smaller than a size of the plurality of pixels along the plane.

Abstract: A position detection device includes a magnet that generates a magnetic field to be detected, and a magnetic sensor. The magnetic sensor detects the magnetic field to be detected and generates a detection value corresponding to the position of the magnet. The magnetic field to be detected has a first direction that changes within a first plane, at a reference position in the first plane. The magnetic sensor includes four MR elements. Each of the MR elements includes a first magnetic layer having first magnetization that can change in direction within a second plane corresponding to the each of the MR elements. The first plane and the second plane intersect at a dihedral angle ? other than 90°. A detection value depends on the direction of the first magnetization.

Abstract: A position detection device includes a first position detector, a second position detector, and a signal generator. The first position detector includes a first magnetic field generation unit, a second magnetic field generation unit, and a first magnetic sensor. The second position detector includes a third magnetic field generation unit, a fourth magnetic field generation unit, and a second magnetic sensor. The positions of the second and fourth magnetic field generation units vary in response to variations in a detection-target position. The signal generator generates a position detection signal, which is the sum of a first detection signal generated by the first magnetic sensor and a second detection signal generated by the second magnetic sensor. Each of the first and second position detectors includes a bias magnetic field generation unit.

Abstract: The magnetic sensor of the invention has an element portion that is elongate, that exhibits magnetoresistive effect and that has a magnetically sensitive axis in a direction of a short axis thereof. The element portion is non-oval and can be arranged in an imaginary ellipse, wherein the imaginary ellipse has a major axis that connects both ends of the element portion with regard to a direction of a long axis thereof to each other and a minor axis that connects both ends of the element portion with regard to a direction of the short axis thereof to each other, as viewed in a direction that is perpendicular both to the short axis and to the long axis of the element portion.

Abstract: In a torque sensor of a torque detection system, in a state where a torque is not generated, a first magnetic detector overlaps with one (e.g., N-pole) of a plurality of magnetic poles of a magnet when the one of the plurality of magnetic poles of the magnet is radially projected onto the first magnetic detector. A second magnetic detector overlaps with another one (e.g., S-pole) of the magnetic poles when the another one of the magnetic poles is radially projected onto the second magnetic detector. A motor control device calculates a sum of a value, which relates to a detected strength of a magnetic field detected by the first magnetic detector, and a value, which relates to a detected strength of the magnetic field detected by the second magnetic detector. The motor control device is configured to calculate a steering torque based on the sum.

Abstract: A magnetic sensor includes a magnetic field converter, a magnetic field detector, and a plurality of shields aligned in a Y direction. The magnetic field converter includes a plurality of yokes. Each yoke has a shape elongated in the Y direction, and is configured to receive an input magnetic field component in a direction parallel to a Z direction and to output an output magnetic field component in a direction parallel to an X direction. The magnetic field detector includes a plurality of trains of elements. Each train of elements includes a plurality of MR elements that are aligned in the Y direction along one yoke and connected in series. Each shield has such a shape that its maximum dimension in the Y direction is smaller than its maximum dimension in the X direction.

Abstract: A position detection device includes a magnet that generates a magnetic field to be detected, and a magnetic sensor. The magnetic sensor detects the magnetic field to be detected and generates a detection value corresponding to the position of the magnet. The magnetic field to be detected has a first direction that changes within a first plane, at a reference position in the first plane. The magnetic sensor includes four MR elements. Each of the MR elements includes a first magnetic layer having first magnetization that can change in direction within a second plane corresponding to the each of the MR elements. The first plane and the second plane intersect at a dihedral angle ? other than 90°. A detection value depends on the direction of the first magnetization.

Abstract: A position detection device includes a first position detector, a second position detector, and a signal generator. The first position detector includes a first magnetic field generation unit, a second magnetic field generation unit, and a first magnetic sensor. The second position detector includes a third magnetic field generation unit, a fourth magnetic field generation unit, and a second magnetic sensor. The positions of the second and fourth magnetic field generation units vary in response to variations in a detection-target position. The signal generator generates a position detection signal, which is the sum of a first detection signal generated by the first magnetic sensor and a second detection signal generated by the second magnetic sensor. Each of the first and second position detectors includes a bias magnetic field generation unit.