Abstract: To provide an indoor unit that can suppress an increase in pressure loss, and that can reduce ventilation resistance in an air passage. The heat exchanger of the indoor unit includes a first portion and a second portion. In a cross section parallel to an axis of rotation of a centrifugal fan at a point where a distance between an outer edge of the centrifugal fan and an inner edge of the heat exchanger is smallest, an inner edge of the first portion and an inner edge of the second portion are arranged parallel to the axis of rotation, and the inner edge of the first portion is arranged radially outward of the inner edge of the second portion. In the cross section, a horizontal distance L1 is smaller than a horizontal distance L2, and a horizontal distance L3 is greater than a horizontal distance L4.

Abstract: An air-conditioning apparatus includes: a communication unit, a sensor, and a controller. The communication unit receives a radio signal from a portable terminal The sensor detects detailed information including information indicating presence or absence of a person in a detection target region that is a target region for detection of whether a person is present or not. The controller causes, when the communication unit receives a radio signal having a radio field intensity higher than or equal to a predetermined radio field intensity and a detection process by the sensor to detect the detailed information is in a stopped state, the sensor to start the detection process to detect the detailed information and control an air-conditioning operation based on the detailed information detected by the sensor.

Abstract: A vehicle projection control device includes: a vehicle information acquisition unit that acquires vehicle information including a vehicle speed of a vehicle; an identification information acquisition unit that acquires identification information identifying a tunnel through which the vehicle travels; a virtual vehicle video generation unit that generates a virtual moving body video of a virtual moving body that moves ahead of the vehicle in a direction that is the same as the vehicle, the virtual moving body video being for projection by a projection unit of a head-up display device; and a projection control unit that controls projection of the virtual moving body video, such that a virtual image of the generated virtual moving body video is visually recognized ahead of the vehicle with use of a projection unit. The projection control unit controls the projection of the virtual moving body video based on the acquired identification information.

Abstract: An air conditioning management system includes: an air conditioning system including a plurality of air conditioning devices which include an outdoor unit, an indoor unit, and a remote control device each capable of performing wired communication; and a communication terminal. Each air conditioning device of the plurality of air conditioning devices includes a transceiver configured to, in response to receiving a request signal requesting device data, transmit device data of the air conditioning device to another air conditioning device or the communication terminal.

Abstract: An air-conditioning apparatus includes an air inlet through which air is suctioned; a fan configured to generate an air flow by suctioning the air from the air inlet; an electrical component box having a box body housing a control board configured to control an actuator provided in a main body, a lid that covers an opening of the box body, and a flange part positioned in a flow path of the air flow, the flange part being for fastening the lid to the box body; and a flow straightening part that covers the flange part.

Abstract: An air conditioner configured to perform air conditioning control according to each of a plurality of settings includes: a collection unit configured to collect from each of a plurality of communication terminals, setting history information based on a history of a setting selected from among the plurality of settings by a user of a respective one of the plurality of communication terminals; and a control unit configured to perform air conditioning control corresponding to any of the plurality of settings based on the plurality of setting history information collected by the collection unit.

Abstract: A printing system includes a printing device including a thermal head that prints print content on a print medium; and an information processing apparatus that controls the printing device. The information processing apparatus comprises a processor configured to detect, from print image data from a server, a position of a control target portion including a specific portion in a print image corresponding to the print image data. The processor is configured to generate printing control information for printing the control target portion. The processor is configured to transmit the print image data, the position of the control target portion, and the printing control information to the printing device. The printing device executes different printing controls for the control target portion and a portion other than the control target portion based on the print image data, the position of the control target portion, and the printing control information.

Abstract: An indoor unit includes: a main body having an opening near an air-conditioning target space and attached to an installation section; a panel having an air inlet through which air is suctioned and an air outlet through which the suctioned air is discharged, and covering the opening of the main body; a fan provided to the main body and generating flow of air that is suctioned from the air inlet of the panel and blown out from the air outlet of the panel; a bell mouth provided upstream of the fan in the main body and guiding the air suctioned from the air inlet toward the fan; and an electric component box provided upstream of the bell mouth in the main body, to thereby define an air-flowing space between the electric component box and the bell mouth, and accommodating a control unit that controls operation of the fan.

Abstract: In a turbofan, a first curve, formed by projecting a leading edge onto a plane perpendicular to a rotating shaft, has a first inflection point and has a portion that is convex at a point closer to the first inflection point than the first point is in a counter-rotational direction and a portion that is convex at a point closer to the second point than the first inflection point is in the rotational direction, the first point is located forward of the second point in the rotational direction, a second curve, formed by projecting the trailing edge onto a plane perpendicular to the rotating shaft, follows an arc centered on the rotating shaft in a top view, a third curve, formed by projecting the trailing edge onto a cylindrical plane coaxial with the rotating shaft, is formed so as to be convex in the rotational direction, and a junction point of the third curve and the shroud is located behind the junction point of the third curve and the main plate in the rotational direction.

Abstract: A centrifugal fan includes a main plate, a blade connected to the main plate, and a shroud having an annular shape and connected to a shroud-side end of the blade that is an end opposite a main-plate-side end of the blade connected to the main plate. The centrifugal fan rotates about a rotation axis to suction a fluid through an opening of the shroud and discharge the fluid through the blade in a radial direction. A leading edge of the blade includes a recess located next to a point at which a shroud inner surface of the shroud that faces the main plate is connected to the leading edge and curving inwardly from the point toward a trailing edge and a projection located closer to the main plate than is the recess and projecting in the rotation direction.

Abstract: A projection control device includes a projection controller configured to control a projector of a head-up display device to project a display image such that a virtual image thereof is viewed in front of a viewer, a video data acquisition unit configured to acquire a captured video captured by an imager capable of capturing a video of the viewer, and a detection unit configured to detect a relative positional relationship of a pupil position of the viewer with respect to the virtual image, wherein the projection control unit is further configured to control the projector to project a reference position determination image on the viewer, and the detection unit is further configured to detect the relative positional relationship of the pupil position of the viewer with respect to the virtual image based on the captured video obtained by capturing the reference position determination video projected on the viewer.

Abstract: An indoor unit for an air-conditioning apparatus includes an air-sending unit configured to send air subjected to heat exchange with refrigerant to an air-conditioning target space through an air outlet, the air-conditioning target space being divided into a plurality of areas, an up-and-down airflow direction adjuster configured to adjust an angle in an up-and-down direction of a blowing direction of the air sent through the air outlet, a right-and-left airflow direction adjuster configured to adjust an angle in a right-and-left direction of the blowing direction of the air sent through the air outlet, and a controller configured to control the angle of the up-and-down airflow direction adjuster and the angle of the right-and-left airflow direction adjuster. The controller is configured to control the up-and-down airflow direction adjuster and the right-and-left airflow direction adjuster to continuously change the angle in the up-and-down direction and the angle in the right-and-left direction.

Abstract: An air-conditioning system includes a plurality of air-conditioning apparatuses that, in an indoor space that is divided into a plurality of air-conditioned areas, each condition air in a corresponding one of the plurality of air-conditioned areas, a wireless communication module that communicates with an information communication terminal to which pieces of setting information that are each set for a corresponding one of the plurality of air-conditioning apparatuses and represent operational details of the air-conditioning apparatus are input, and a controller that controls the plurality of air-conditioning apparatuses on the basis of the pieces of setting information communicated via the wireless communication module.

Abstract: A printing system includes a printing device including a thermal head that prints print content on a print medium; and an information processing apparatus that controls the printing device. The information processing apparatus comprises a processor configured to detect, from print image data from a server, a position of a control target portion including a specific portion in a print image corresponding to the print image data. The processor is configured to generate printing control information for printing the control target portion. The processor is configured to transmit the print image data, the position of the control target portion, and the printing control information to the printing device. The printing device executes different printing controls for the control target portion and a portion other than the control target portion based on the print image data, the position of the control target portion, and the printing control information.

Abstract: An air-conditioning apparatus includes; an air temperature detection unit configured to detect air temperature in an air-conditioned space; a human body detection unit configured to detect human bodies in the air-conditioned space; an estimation unit configured to estimate thermal sensation of persons detected by the human body detection unit; and a control unit configured to correct a value of the air temperature or set temperature based on the thermal sensation of all of the detected persons estimated by the estimation unit, and to control a refrigeration cycle by using the corrected value.

Abstract: An indoor unit of an air-conditioning apparatus includes a main body including a main board that is provided with a control terminal compatible with a plurality of expansion units. The main board is connected to an expansion board provided with at least one expansion terminal that is a connection terminal compliant with the same standard as the control terminal, and is connected to at least one of the plurality of expansion units via the expansion board.

Abstract: An air-conditioning apparatus includes: a communication unit that receives a radio signal from a portable terminal: a sensor that detects detailed information including information indicating presence or absence of a person in a detection target region that is a target region for detection of whether a person is present or not; and a control unit that causes, when the communication unit receives a radio signal having a radio field intensity higher than or equal to a predetermined radio field intensity and a detection process by the sensor to detect the detailed information is in a stopped state, the sensor to start the detection process to detect the detailed information and control an air-conditioning operation based on the detailed information detected by the sensor,

Abstract: A centrifugal fan and an air-conditioning apparatus are to be provided in which flow separation in a shroud-side region on a suction surface of a blade of the centrifugal fan is reduced to improve efficiency. A centrifugal fan includes a main plate, a blade connected to the main plate, and a shroud having an annular shape and connected to a shroud-side end of the blade that is an end opposite a main-plate-side end of the blade connected to the main plate. The centrifugal fan rotates about a rotation axis to suction a fluid through an opening of the shroud and discharge the fluid through the blade in a radial direction. The blade has a leading edge that is an edge of the blade located forward in a rotation direction and a trailing edge that is an edge opposite the leading edge and is located farther from the rotation axis than is the leading edge.

Abstract: A vehicle control apparatus capable of executing control to cause a vehicle to automatically follow a preceding vehicle, includes a determination unit configured to determine, based on internal information of the vehicle, whether to request an increase of a cruising speed of the preceding vehicle during automatic following to the preceding vehicle, and a request transmission unit configured to transmit an increase request for requesting to increase the cruising speed of the preceding vehicle in a case in which the determination unit determines to request the increase of the cruising speed.

Abstract: An air-conditioning apparatus includes; an air temperature detection unit configured to detect air temperature in an air-conditioned space; a human body detection unit configured to detect human bodies in the air-conditioned space; an estimation unit configured to estimate thermal sensation of persons detected by the human body detection unit; and a control unit configured to correct a value of the air temperature or set temperature based on the thermal sensation of all of the detected persons estimated by the estimation unit, and to control a refrigeration cycle by using the corrected value.