Abstract: A heat exchanger includes: heat transfer tubes aligned in an up-down direction; a liquid header connected to ends of the heat transfer tubes; and connection tubes aligned in the up-down direction and connected to the liquid header. The heat transfer tubes include: a first heat transfer tube disposed at a lowermost position; and a second heat transfer tube disposed above and adjacent to the first heat transfer tube. The connection tubes include: a first connection tube disposed at a lowermost position; and a second connection tube disposed above the first connection tube. The liquid header includes: a first flow path connected to the first connection tube and the first heat transfer tube; and a second flow path connected to the second connection tube and the second heat transfer tube.

Abstract: According to one embodiment, a sensor includes a stage, a driver, and a detector. The stage includes a first portion and a second portion. The driver is configured to rotate the stage. A rotation axis of the stage passes through the first portion and is along a first direction. A second direction from the first portion to the second portion crosses the first direction. The second portion is configured to rotate along a circumferential direction with the rotation axis as a center when the stage rotating. The detector is provided at the second portion. The detector includes a first detection element configured to detect a first acceleration including a component along the second direction, and a second detection element configured to detect a second acceleration including a component along the first direction.

Abstract: A heat transfer tube includes first flow paths aligned in the heat transfer tube. Each of the first flow paths includes a section with a rectangular shape that is elongated in a first direction parallel with an alignment direction of the first flow paths. Each of the first flow paths includes protrusions disposed on an inner surface. The section of each of the first flow paths has a long side having a first length and a short side having a second length, where a ratio of the first length to the second length is between 1.1 and 1.5.

Abstract: A heat exchanger includes: flat tubes disposed in a first direction; and a fin joined to the flat tubes. The heat exchanger causes heat exchange between: a refrigerant that flows inside the flat tubes, and air that flows outside the flat tubes along a second direction that intersects the first direction. The fin includes: a first joint portion joined to a first flat tube included in the flat tubes; and a first plate portion between an air flow downstream end of the fin and the first joint portion. The first plate portion includes a protruding portion that causes water to flow in the first direction in a vicinity of the first flat tube.

Abstract: According to one embodiment, a sensor includes a sensor element, a housing provided around the sensor element, and a processor. The sensor element includes a base body including first and second base body regions, and first and second sensor parts. The first sensor part is provided in the first base body region, and includes a first sensor movable part. The second sensor part is provided in the second base body region and includes first and second beams. The processor can derive a rotation angle and an angular velocity based on a signal obtained from the first sensor movable part. The processor can detect acceleration and a temperature based on a first resonance frequency of the first beam and a second resonance frequency of the second beam. The processor can correct one of the rotation angle or the angular velocity based on one of the temperature or the acceleration.

Abstract: According to one embodiment, a sensor includes a base including a first face, a fixed portion fixed to the first face, and a movable portion supported by the fixed portion. The movable portion includes a plurality of annular portions and a plurality of connect portions. Each of the plurality of annular portions is provided around the fixed portion with the fixed portion as a center on a first plane along the first face. The plurality of annular portions includes a first annular portion, a second annular portion, and a third annular portion. The plurality of connect portions includes first and second connect portions. The first connect portion is provided between the first and second annular portions, and is connected to the first and second annular portions. The second connect portion is provided between the second and third annular portions, and is connected to the second and third annular portions.

Abstract: According to one embodiment, a sensor includes a base including a first face, a fixed portion fixed to the first face, and a movable portion supported by the fixed portion. The movable portion includes a plurality of annular portions, a plurality of connect portions, and a first radial structure. Each of the plurality of annular portions is provided around the fixed portion with the fixed portion as a center in a first plane along the first face. The plurality of connect portion extend along a radial direction. One of the plurality of connect portions connects two of the plurality of annular portions to each other. The plurality of annular portions include a first annular portion and a second annular portion. The first radial structure is connected to the first annular portion. The first radial structure extends toward the second annular portion along a first radial direction.

Abstract: According to one embodiment, a sensor includes a base including a first face, a fixed portion fixed to the first face, and a movable portion supported by the fixed portion. The movable portion includes a plurality of annular portions, a plurality of connect portions, and a first structure. Each of the plurality of annular portions is provided around the fixed portion with the fixed portion as a center in a first plane along the first face. One of the plurality of connect portions connects two of the plurality of annular portions to each other. The plurality of annular portions include a first annular portion. The first annular portion is outermost of the plurality of annular portions. The first structure is connected to the first annular portion. The first annular portion is provided between the fixed portion and the first structure.

Abstract: According to one embodiment, a sensor includes a base including a first face, an inner structure fixed to the first face, a fixed portion fixed to the first face, a movable portion supported by the fixed portion, a plurality of fixed electrodes fixed to the first face, and a plurality of connect members. A first gap is provided between the first face and the movable portion. The movable portion includes a first annular portion and a first connect portion. The plurality of fixed electrodes include a first fixed electrode and a first opposing fixed electrode that face the first annular portion. The inner structure includes a first conductive portion. The first conductive portion includes a first region and a first opposing region. The plurality of connect members include a first connect member and a first opposing connect member.

Abstract: According to one embodiment, a sensor includes a base including a first face, a fixed portion fixed to the first face, a movable portion supported by the fixed portion, a first fixed electrode, and a first opposing fixed electrode. The fixed portion includes a first center in a first plane parallel to the first face. The movable portion includes first and second annular portions. The first fixed electrode includes first and second regions. The first opposing fixed electrode includes first and second opposing regions. The first region is provided between the second annular portion and the first annular portion. The first opposing region is provided between the second annular portion and the first region. The second region is provided between the second annular portion and the first annular portion. The second opposing region is provided between the second annular portion and the second region.

Abstract: According to one embodiment, a sensor includes a first member, a first substrate, and a sensor section. A direction from the first member to the first substrate is along a first direction. A first member thickness of the first member is thicker than a first substrate thickness of the first substrate along the first direction. The sensor section is provided between the first member and the first substrate, and is fixed to the first member. The substrate is fixed to the sensor section. The sensor section includes a housing and a sensor element provided in the housing. The sensor element includes a sensor base, a fixed portion fixed to the sensor base, and a movable portion supported by the fixed portion. A direction from the fixed portion to the sensor base is along the first direction. A first gap is provided between the sensor base and the movable portion.

Abstract: To provide an air conditioning unit and a packaging unit that can be safely stored while suppressing mixing of unnecessary substances. In an outdoor unit, a refrigerant having flammability is enclosed. An enclosure amount of the refrigerant having the flammability is equal to or more than an amount of the refrigerant that becomes an atmospheric pressure at an ambient temperature of ?40° C. and less than an amount of the refrigerant that becomes 0.2 MPa at an ambient temperature of 20° C.

Abstract: According to one embodiment, a sensor includes an element section. The element section includes a base, a first fixed portion, a first intermediate connect portion, a first intermediate movable member, a first connect portion, a first movable member, and a first fixed electrode. The first fixed portion is fixed to the base. The first intermediate connect portion is supported by the first fixed portion. The first intermediate movable member is connected to the first intermediate connect portion. The first connect portion is connected to the first intermediate movable member. The first movable member is supported by the first connect portion. The first movable member includes a first movable electrode. The first fixed electrode is fixed to the base and faces the first movable electrode.

Abstract: There is provided an information processing terminal, an information processing device, and a system capable of enhancing convenience of user operation. The information processing terminal includes an imaging unit that images an object in contact with or in proximity to a translucent member via the translucent member, a control unit that controls imaging by the imaging unit, and a communication unit that transmits information based on a captured image obtained by the imaging unit to an external device, in which the imaging unit includes an imaging element and a lens provided such that a distance from the imaging element varies, and the control unit performs control to obtain a plurality of the captured images having a different distance between the lens and the imaging element.

Abstract: A heat exchange unit includes: a heat exchanger in which flat tubes are stacked at predetermined intervals in a thickness direction by a heat transfer fin; and a first member that is attached to the heat exchanger and that restricts a movement of the heat exchanger. The first member includes a body and a protrusion portion protruding from the body. The protrusion portion is disposed between adjacent flat tubes of the heat exchanger.

Abstract: According to one embodiment, a sensor includes a first beam, a first opposing beam, a support portion, a first linking portion, and a first connecting portion. The first beam includes a first portion and a first other portion. A direction from the first portion to the first other portion is along a first direction. A second direction from the first opposing beam to the first beam crosses the first direction. The first opposing beam includes a first opposing portion and a first other opposing portion. The first linking portion is connected to the first other portion and the first other opposing portion. The first connecting portion is connected to the first linking portion. A first connecting portion width along the second direction of the first connecting portion is narrower than a first linking portion width along the second direction of the first linking portion.

Abstract: According to one embodiment, a sensor includes a fixed member, a movable member, a first counter electrode, a second counter electrode, a first resistance element, a second resistance element, and a control device. The control device includes a controller. The controller performs a first correction operation in a state where the movable member does not receive an external force. In the first correction operation, the controller causes the movable member to generate a first vibration. In the first correction operation, the controller derives a first correction value based on a first detection result of a first component and a second detection result of a second component. The first correction value includes at least one of a first resistance correction value, a second resistance correction value, a first voltage correction value, or a second voltage correction value such that the movable member vibrates along the first direction.

Abstract: A heat exchanger that exchanges heat between a refrigerant and air, includes: flat tubes disposed in a first direction intersecting with a longitudinal direction of cross sections of the flat tubes and through which the refrigerant flows; first heat transfer fins that contact the flat tubes and are disposed on a windward side of the flat tubes; and second heat transfer fins that contact the flat tubes and are disposed on a leeward side of the flat tubes. The first heat transfer fins are inserted toward the flat tubes from a side of first ends in the longitudinal direction. The second heat transfer fins are inserted toward the flat tubes from a side of second ends in the longitudinal direction.

Abstract: According to one embodiment, a sensor a sensor includes a base, a first support portion fixed to the base, and a first movable portion supported by the first support portion. The first movable portion includes first and second movable base portions, a connecting base portion, first and second movable beams, and first and second movable conductive portions. The first movable beam includes a first beam end portion, a first beam other end portion, and a first beam intermediate portion. The second movable beam includes a second beam end portion, a second beam other end portion, and a second beam intermediate portion. The first movable conductive portion includes a first crossing conductive portion, a first extending conductive portion, and a first other extending conductive portion. The second movable conductive portion includes a second crossing conductive portion, a second extending conductive portion, and a second other extending conductive portion.

Abstract: According to one embodiment, a sensor includes a base body, a support portion fixed to the base body, and a first member supported by the support portion. A gap is provided between the base body and a part of the first member. The first member includes a supported region, a first movable region, a first structure, a first support structure, a first connection structure, a first connect portion, and a first beam. The support portion is located between the base body and the supported region in a first direction from the base body to the support portion. The first beam extends along a second direction crossing the first direction. A first beam position of the first beam is located between a first movable region position of the first movable region and a support portion position of the support portion in the second direction.