Abstract: A loudspeaker to be attached to an attachment member, the loudspeaker including: a temporary joint pin which is inserted into a temporary joint hole and temporarily holds the loudspeaker in a suspended state. The temporary joint pin includes a rod-like portion backwardly projects from a rear end surface of a frame; a tilted surface portion which is part of an inner circumferential surface of a circumferential surface of the rod-like portion to be brought into contact with the temporary joint hole, and is tilted to become closer to the central axis of the rod-like portion from a base end toward a distal end of the rod-like portion in a direction of projection; and a flanged portion which is adjacent to the tilted surface portion at the distal end of the rod-like portion, protrudes in a direction crossing the direction of projection, and catches onto the attachment member.

Abstract: A refrigerant distributor includes an outer pipe, an inner pipe, and a structural part. The refrigerant outflow hole is provided such that an angle ? between a lower end of the inner pipe on a vertical line passing through a center of the inner pipe and a position of presence of the refrigerant outflow hole as seen from the center of the inner pipe falls within a range of 10 degrees???80 degrees. The refrigerant outflow hole comprises a sole refrigerant outflow hole provided in a vertical cross-section of the inner pipe at a position where the refrigerant outflow hole is provided.

Abstract: A heat exchanger includes: a heat exchange body having flat tubes arranged and spaced from each other in a horizontal direction; an upper header provided at an upper end of the heat exchange body; a lower header provided at a lower end of the heat exchange body; and a partition plate provided in at least one of the upper and lower headers to partition the heat exchange body into a plurality of regions in a horizontal direction. The partition plate is provided such that in each of the regions, refrigerant flows in the opposite direction to the flow direction of the refrigerant in an adjacent one of the region. The partition plate is also provided such that regarding the regions, the more downward the region relative to the flow of the refrigerant when the heat exchanger operates as a condenser, the smaller the region's flow passage cross-sectional area.

Abstract: An apparatus includes a plurality of avalanche photodiodes, a plurality of transistors connected to the plurality of avalanche photodiodes and configured to control occurrence of avalanche multiplication, a first wiring layer configured to transmit a control signal to be input to gates of the plurality of transistors, and a second wiring layer configured to read signals from the avalanche photodiodes, wherein the plurality of avalanche photodiodes includes a first group of avalanche photodiodes arranged in a first direction, wherein the plurality of transistors includes a first group of transistors connected to the first group of avalanche photodiodes, wherein the first wiring layer is connected in common to the first group of transistors, and wherein the first wiring layer has a thickness greater than a thickness of the second wiring layer.

Abstract: A diaphragm to be provided in an electroacoustic transducer includes: a first protrusion that protrudes from at least one of a front face or a back face of the diaphragm and extends in a spiral from a center of the diaphragm or a vicinity of the center toward an outer circumference of the diaphragm; and a second protrusion that protrudes from at least one of the front face or the back face of the diaphragm and extends in a spiral from the center of the diaphragm or a vicinity of the center toward an outer circumference of the diaphragm, the second protrusion extending in a direction opposite to a direction in which the first protrusion extends and intersecting with the first protrusion.

Abstract: A dust cap is a dust cap to be provided at a central portion of a diaphragm included in an electroacoustic transducer. A first cross-sectional shape of the dust cap in a first plane that includes a predetermined reference axis extending in a vibration direction of the diaphragm and a second cross-sectional shape of the dust cap in a second plane that includes the reference axis and is orthogonal to the first plane are different.

Abstract: A heat exchanger includes a plurality of heat exchange units each including a plurality of flat tubes, a plurality of fins, an upper header, and a lower header. In the plurality of heat exchange units, the upper headers are connected such that the upper headers communicate with each other, and the lower headers are connected such that the lower headers communicate with each other through an opening-closing valve. The heat exchanger has a configuration in which when the heat exchanger serves as a condenser, the opening-closing valve is controlled such that refrigerant in at least one of the plurality of heat exchange units flows in an upward direction, and refrigerant in the other one or the other ones of the plurality of heat exchange units flows in a downward direction.

Abstract: One or more storage devices store resource migration schedule information including a plurality of records. Each of the plurality of records indicating a migration source node and a migration destination node of each of one or more resources. One or more processors are configured to determine a priority of each of the plurality of records such that a record having locality after migration has a higher priority than a priority of a record without locality after migration. The locality is determined based on whether a virtual machine and a volume associated with each other in advance exist in the same node. The one or more processors are configured to determine a migration schedule of each of the plurality of records based on the priority of each of the plurality of records.

Abstract: A diaphragm including at least a first portion, a second portion, and a third portion that are arranged around a predetermined reference axis extending in a vibration direction, and each have a different cross-sectional shape along a plane that includes the reference axis, in which the cross-sectional shape of the first portion is an arc having a first radius of curvature, the cross-sectional shape of the second portion is an arc having a second radius of curvature different from the first radius of curvature, and the cross-sectional shape of the third portion is a part of an ellipse.

Abstract: A heat exchanger mounted in an outdoor unit of an air-conditioning apparatus includes at least one heat exchanger core and a hot-gas refrigerant inlet formed in lower part of the heat exchanger and in which refrigerant flows when the heat exchanger functions as a condenser. Each heat exchanger core includes flat tubes extending in an up-down direction and are placed along a direction of flow of air. When a total flow passage cross-sectional area of each heat exchanger core is A [m2]=a×N [m2], where a [m2] is a flow passage cross-sectional area of each flat tube and N is a number of the flat tubes, a height of each of the heat exchanger cores is H [m], a differential pressure of a refrigerant flow passage is ?PHEX, and a liquid head is ?PHEAD, ?PHEX/?PHEAD=(5.94635×10?4×A?1.75030)/(8.4303H+0.8779)>1 is satisfied.

Abstract: An air-conditioning apparatus includes a refrigerant circuit configured to cause refrigerant to circulate therein, and an outdoor unit and an indoor unit forming the refrigerant circuit. The outdoor unit includes a heat exchanger provided with one heat exchanger core or two or more heat exchanger cores arranged along a flow direction of air. Each heat exchanger core has a plurality of flat tubes extending in an up-down direction. The heat exchanger is configured to cause the refrigerant to flow as an upward flow in the flat tubes when functioning as a condenser. The refrigerant is a two-component refrigerant mixture in which two refrigerants selected from R32, HFO1123, and R1234yf are mixed, or a three-component refrigerant mixture in which the three refrigerants are mixed.

Abstract: A heat exchanger includes a first header that extends in a horizontal direction, a plurality of first heat-transfer tubes that extend in a vertical direction, that are provided to the first header, and that are spaced from each other in a horizontal direction, a second header provided parallel to the first header, a plurality of second heat-transfer tubes that extend in a vertical direction, that are provided to the second header, and that are spaced from each other in a horizontal direction, and a corrugated fin placed between the plurality of first heat-transfer tubes and between the plurality of second heat-transfer tubes. The corrugated fin has an inter-header region between the first header and the second header, and, in the inter-header region, a first drain slit is formed through which meltwater is drained.

Abstract: A heat exchanger includes a plurality of flat heat-transfer tubes and a corrugated fin placed between the plurality of flat heat-transfer tubes. Louvers in fin sections of the corrugated fin are divided into a first louver group formed further upstream in a direction of flow of air than a drain slit in the corrugated fin and a second louver group formed further downstream in the direction of flow of air than the drain slit. Plate portions of the first louver group and plate portions of the second louver group are inclined to a flat-plate portion in the fin sections and inclined in respective directions that are opposite to each other. The drain slit includes a plurality of drain slits formed between the first louver group and the second louver group at an interval in the direction of flow of air.

Abstract: A corrugated fin of a heat exchanger is formed such that fin sections are joined together one after another in a tube axial direction of a plurality of flat heat-transfer tubes. Louvers in the fin sections of the corrugated fin are divided into a first louver group formed further upstream in a direction of flow of air than a drain slit in the corrugated fin and a second louver group formed further downstream in the direction of flow of air than the drain slit. Plate portions of the first louver group and plate portions of the second louver group are inclined to a flat-plate portion in the fin sections and inclined in respective directions that are opposite to each other. The drain slit includes a plurality of drain slits provided in a plurality of respective rows between the first louver group and the second louver group.

Abstract: A refrigeration cycle device according to the present disclosure includes: a refrigerant circuit including a compressor, a heat-source-side heat exchanger, a first expansion device, and a load-side heat exchanger, refrigerant cycling through the compressor, the heat-source-side heat exchanger, the first expansion device, and the load-side heat exchanger; a plurality of controllers configured to control the refrigerant circuit; a bypass pipe branching from a high pressure pipe on a discharge side of the compressor and connected to a low pressure pipe on a suction side of the compressor; a second expansion device provided to the bypass pipe, and configured to adjust a flow rate of the refrigerant flowing through the bypass pipe; and a plurality of refrigerant coolers provided to the bypass pipe, and configured to cool the plurality of controllers by using the refrigerant the flow rate of which is adjusted by the second expansion device, each of the plurality of refrigerant coolers including a refrigerant coolin

Abstract: To provide a novel polarizing plate that suppresses poor appearance caused by thermal shrinkage of a polarizing film and is excellent in durability. There is provided a polarizing plate including: a polarizing film composed of a polyvinyl alcohol-based resin; and a translucent support substrate laminated on at least one surface of the polarizing film through a bonding layer, in which the bonding layer is composed of a molecular bonding agent that bonds the polarizing film and the support substrate by a chemical bond.

Abstract: A processing apparatus that processes a workpiece by irradiating the workpiece with laser light, the apparatus including a rotation unit configured to rotate with a rotation axis as a center, thereby rotating an intensity distribution of the laser light emitted therefrom with the rotation axis as a center, a scanning unit configured to scan the laser light applied to the workpiece, and a control unit configured to irradiate the workpiece with the laser light while reducing at least one of an angular shift and a positional shift of the laser light entering the workpiece, which occur due to a shift between the rotation axis and a barycentric line of the laser light entering the rotation unit.

Abstract: A laser processing device includes an optical scanning unit that scans laser light; a condenser lens that condenses the laser light onto a workpiece; a plasma light sensor that detects plasma light from the workpiece; and a control unit configured to generate processing position data for the laser light for processing the workpiece, wherein the control unit causes the optical scanning unit to scan the laser light and causes the plasma light sensor to acquire a detection result of detecting the plasma light from the workpiece, and the control unit generates the processing position data for the laser light for processing the workpiece on the basis of the detection result.

Abstract: A heat exchanger includes: a heat exchange body having a plurality of flat tubes arranged and spaced from each other in a horizontal direction; an upper header provided at an upper end of the heat exchange body; a lower header provided at a lower end of the heat exchange body; and a partition plate provided in at least one of the upper and lower headers to partition the heat exchange body into a plurality of regions in a horizontal direction. The partition plate is provided such that in each of the regions, refrigerant flows in the opposite direction to the flow direction of the refrigerant in an adjacent one of the regions, and is provided such that regarding the regions, the more downward the region in the flow of the refrigerant when the heat exchanger operates as a condenser, the smaller a flow passage cross-sectional area of the region.

Abstract: A loudspeaker to be attached to an attachment member, the loudspeaker including: a temporary joint pin which is inserted into a temporary joint hole and temporarily holds the loudspeaker in a suspended state. The temporary joint pin includes a rod-like portion backwardly projects from a rear end surface of a frame; a tilted surface portion which is part of an inner circumferential surface of a circumferential surface of the rod-like portion to be brought into contact with the temporary joint hole, and is tilted to become closer to the central axis of the rod-like portion from a base end toward a distal end of the rod-like portion in a direction of projection; and a flanged portion which is adjacent to the tilted surface portion at the distal end of the rod-like portion, protrudes in a direction crossing the direction of projection, and catches onto the attachment member.