Abstract: In an aspect, a communication control method is a communication control method performed by a relay node. The communication control method includes measuring, by the relay node, a delay time until untransmitted data to be transmitted to a parent node of the relay node via a logical channel is transferred to the relay node. The communication control method includes allocating, by the relay node, a resource for data transmission to the logical channel, based on the delay time.

Abstract: In an aspect, a communication control method is used in a cellular communication system. The communication control method includes receiving, by a relay node, a recovery attempt notification from a first parent node of the relay node. The recovery attempt notification indicates that the first parent node is attempting to recover from a failure having occurred in a backhaul link between the first parent node and a node that is a further parent node of the first parent node. The communication control method includes forwarding, by the relay node in response to reception of the recovery attempt notification, a first packet received from the first parent node to a child node of the relay node and a second packet received from the child node to a second parent node that is a parent node of the relay node.

Abstract: A cavity overlapping an IDT electrode in a see-through plan view is formed between a piezoelectric layer and a support. An intersection region where first electrode fingers and second electrode fingers overlap each other includes a central region and two end regions located on both sides of the central region in one-to-one correspondence. The cavity overlaps the central region. An edge of the cavity on a side closer to the first busbar is located within a range from an edge of the central region on a side closer to the first busbar to an edge of the first busbar on a side opposite to the central region. The first electrode fingers extending from the first busbar each include a first portion located in the central region and a second portion located on a side closer to the first busbar or a side closer to the second busbar relative to the central region. A value of mass per unit length of the first electrode fingers above lower surfaces thereof is greater in the second portions than in the first portions.

Abstract: Object To provide a liquid contact member having high hydrophilicity and exhibiting high dirt removal efficiency by cleaning. Solution A liquid contact member includes a ceramic including a plurality of crystal grains and a grain boundary phase, and the concentration of silicon on a liquid contact surface of the ceramic is higher than that of silicon on a virtual internal surface parallel to the liquid contact surface.

Abstract: A head-up display system includes a first projection module, a second projection module, and a first reflective optical element. The first projection module projects a first image. The second projection module projects a second image. The first reflective optical element reflects at least a part of the first image and at least a part of the second image. The first projection module includes a first display panel that displays the first image and projects the first image toward the first reflective optical element. The second projection module includes a second display panel that displays the second image, and an optical system that directs the second image toward the first reflective optical element.

Abstract: A power management server includes a receiver for receiving, from an upper management server, an adjustment request for requesting a fluctuation adjustment of a frequency of a power grid for each fluctuation cycle of an adjustment target, a transmitter for transmitting, to an adjustment power supply, an adjustment instruction for instructing the fluctuation adjustment of the frequency of the power grid according to the fluctuation cycle of the adjustment target requested by the adjustment request, a management unit for managing a correspondence relationship between the fluctuation cycle of the adjustment target instructed by the adjustment instruction and the adjustment power supply, and a controller for determining an adjustment power supply to which the adjustment instruction is to be transmitted based on the correspondence relationship.

Abstract: Disclosed is a wiring board, including: an insulating substrate containing aluminum oxide; and a metallized layer that includes a metal phase containing a metal material and a first glass phase containing a glass component and that is disposed on the insulating substrate. At least one of the insulating substrate and the metallized layer further contains mullite. In the metallized layer, the metal phase continues in a three-dimensional network shape, and the first glass phase is embedded between the metal phase.

Abstract: An RFID tag includes an IC for RFID to which information for presentation can be written by wireless communication, a display, and a control circuit configured to output presentation data to the display. The control circuit includes a font repository storing font data and a data processor configured to create the presentation data by using one or more character codes and the font data, the one or more character codes being included in the information for presentation.

Abstract: A laminated ceramic electronic component according to the present disclosure includes a laminated body in which ceramic layers and electrode layers are alternately laminated, at least one of the electrode layers including a first electrode portion containing a conductive carbon material.

Abstract: A head-up display system includes a three-dimensional display device, an optical member, and an accelerometer. The three-dimensional display device includes a display panel, an optical element, and a controller. The display panel displays an image. The optical element defines a traveling direction of image light emitted from the display panel. The optical member reflects the image light from the three-dimensional display device toward a user's eye. The optical member is at a fixed position relative to the three-dimensional display device. The accelerometer detects acceleration of the three-dimensional display device. The controller controls a position of the image on the display panel based on the acceleration.

Abstract: A sensor device includes a substrate having a substrate surface, a first IDT electrode positioned on the substrate surface, a second IDT electrode positioned on the substrate surface, a waveguide, and a protective film. The waveguide is positioned on the substrate surface and between the first IDT electrode and the second IDT electrode. The waveguide includes a first immobilized layer positioned on the substrate surface and a second immobilized layer positioned on the first immobilized layer. The second immobilized layer is positioned inside an outer edge of the first immobilized layer as seen in a plan view.

Abstract: A flame retardant is included in a resin phase, and the flame retardant has a maximum number frequency in a range of 1 ?m or less when a particle size distribution is evaluated by dividing a particle size into 1 ?m increments. The resin phase includes inorganic particles, and the inorganic particles have a maximum number frequency in a range of 0.5 ?m or less when the particle size distribution is evaluated by dividing the particle size into 0.5 ?m increments. The flame retardant has an average particle size larger than the average particle size of inorganic particles. The number frequency of the flame retardant and the inorganic particles, respectively, decreases with increasing the particle size.

Abstract: A light irradiator includes a housing having vents and a light-emission opening. The housing has a first surface having a first side with a first dimension and a second side with a second dimension, a second surface having the second side and a third side with a third dimension, and a third surface having the first side and the third side. The housing includes the light-emission opening in the first surface, and a first vent and a second vent in the second surface. The first vent is nearer the light-emission opening than the second vent. The second vent is opposite to the light-emission opening. The light irradiator includes an axial fan at the second vent that has a fan size greater than the first dimension and less than the second dimension, and a plate that faces the axial fan with a spacing with the first dimension or less.

Abstract: A piezoelectric device includes a piezoelectric element, a package, and a vibration absorber. The package contains at least the piezoelectric element. The vibration absorber is disposed on a mounting component, and supports the package. The mounting component is a component to which the package is mounted. The vibration absorber absorbs vibration transmitted from the mounting component to the package. The piezoelectric element has a substantially rectangular shape in plan view. The piezoelectric element is a crystal resonator element including a crystal strip, and electrodes. The crystal strip includes a first major face and a second major face opposite to the first major face. The electrodes extend from the first major face of the crystal strip to the second major face.

Abstract: A communication control method according to an embodiment is a communication control method used in a mobile communication system providing a multicast broadcast service (MBS) from a base station to a user equipment. The communication control method includes, by the user equipment, transmitting predetermined information to the base station in a random access procedure. The predetermined information indicates that the user equipment accesses the base station and thus receives multicast data from the base station.

Abstract: A road observation apparatus and a method for observing a road capable of accurately recognizing imaging targets are provided. A road observation apparatus 5 includes a visible range setting section 531 that sets a visible range, which is a range within which an imaging target is recognizable, on the basis of whether a marker is recognizable and a recognition determination section 532 that, if a distant imaging target, which is the imaging target located at a position beyond the set visible range, is recognized, initiates resetting of the visible range and that, if the reset visible range does not exceed the position of the distant imaging target, determines that the recognition of the distant imaging target is incorrect.

Abstract: An information processing apparatus includes a controller that determines the height at which to fix a cup of an artificial hip joint in a patient in accordance with the femoral head center on the contralateral side opposite from the affected hip joint of the patient, a teardrop lower edge of a hip joint of the patient, and the CE angle of the affected hip joint of the patient.

Abstract: An observation apparatus capable of observing a distant scene while suppressing interference between sensors of a plurality of detection devices and an adjustment method for the observation apparatus are provided. The observation apparatus 5 includes a first detection device 50-1 having a first angle of view, a second detection device 50-2 that has a second angle of view, which is larger than the first angle of view, and that is provided in a first direction of the first detection device, and an adjustment mechanism 58-1, 58-2 capable of adjusting a detection direction of at least the first detection device or the second detection device in relation to the first direction (w-axis direction). The first direction is a vertical direction when the observation apparatus is installed in such a way as to observe a road.

Abstract: An antenna structure according to the present disclosure includes an antenna substrate including a first surface and a second surface located on an opposite side to the first surface, a transmissive filter located over the first surface, and control substrates located on the second surface. The transmissive filter includes first annular patterns located on a surface facing the first surface, and second annular patterns located on a surface on an opposite side to the surface facing the first surface. The first annular pattern and the second annular pattern are located overlapping each other in a plane perspective. The control substrates are identical in number to the first annular patterns, and are located overlapping the first annular patterns in a plane perspective.