Abstract: This display device of a work machine includes a storage unit that stores the cumulative times of use of consumables of the work machine, wherein the consumables require maintenance according to the use thereof. Furthermore, a display control unit and a display unit included in the display device function as a notification means for providing a notification of the arrival of maintenance times of the consumables on the basis of the cumulative times. Furthermore, the display control unit and the display unit function as a plurality of function setting means for respectively setting a plurality of functions of the work machine, and as a selection means for selecting one of the plurality of function setting means. The plurality of function setting means have a reset setting means for resetting the cumulative times.

Abstract: A heat exchange member includes: a honeycomb structure including: an outer peripheral wall; an inner peripheral wall; and partition walls arranged between the outer peripheral wall and the inner peripheral wall, the partition walls defining a plurality of cells, each of the cells extending from a first end face to a second end face to form a flow path for a first fluid; and a covering member for covering an outer peripheral surface of the outer peripheral wall. In a cross section of the honeycomb structure orthogonal to a flow path direction for the first fluid, the partition walls extend in a radial direction. Each of the cells is formed from the outer peripheral wall, the inner peripheral wall, and the partition walls.

Abstract: In order to achieve the above objects, according to the present invention, an information processing system includes a wind-condition estimation unit that estimates wind-condition information in a predetermined space region, and an evaluation unit that evaluates flight difficulty or economic efficiency of an aircraft based on the estimated wind-condition information. According to the present invention, an information processing method includes estimating wind-condition information in a predetermined space region, and evaluating flight difficulty or economic efficiency of an aircraft based on the estimated wind-condition information.

Abstract: A display device includes a display unit; a control unit; an alarm sound output unit; and a reception unit. When the display unit displays a second screen, the control unit assigns, to the reception unit, a function of receiving an output stop instruction that indicates an instruction to stop the output of an alarm sound, and a function of receiving a second instruction that indicates an instruction to transition to a first screen. When the reception unit receives the output stop instruction, the control unit stops the output of the alarm sound. When the reception unit receives the second instruction after having received the output stop instruction, the control unit causes the display unit to display the first screen and causes the alarm sound output unit to output the alarm sound.

Abstract: The present invention provides a work machine comprising an engine, an exhaust gas treatment device including a filter that catches particulate matter in exhaust gas discharged from the engine, and a display device that displays, when the filter is being regenerated through a rise in the temperature of the exhaust gas, the filter regeneration progress and a warning in association with the regeneration at the same time.

Abstract: A construction machine includes a measurement unit, a storage unit, and a notification unit. The measurement unit measures the number of times of drive of a starter. The storage unit stores the number of times of drive measured by the measurement unit and a reference value. The notification unit executes a notification process for providing notification of the drive status of the starter on the basis of the number of times of drive and the reference value. Preferably, the construction machine further comprises a comparison unit that compares the number of times of drive and the reference value. Preferably, the notification unit provides, in the notification process, notification of the result of the comparison by the comparison unit.

Abstract: A laser processing method includes: a forming step of forming a plurality of modified spots along an imaginary plane inside a work piece by irradiating an inside of the work piece with laser light from a surface. The work piece includes a first region and second region when viewed in a direction perpendicular to the surface. In the forming step, a plurality of modified spot rows formed of the plurality of modified spots arranged along a boundary between the first region and the second region are formed in the second region, the plurality of modified spot rows being arranged along a direction intersecting an arrangement direction of the plurality of modified spots, and a crack extending from the second region to the first region is formed by forming the plurality of modified spot rows.

Abstract: The work machine control method includes displaying, on a display device, a display screen including information related to the work machine and executing at least one of a first switching process and a second switching process. The first switching process is a process in which the display screen to be displayed on the display device is switched, in accordance with switching from the enabled state to the disabled state according to an operation state of a disabling operation unit, from a camera screen that includes a captured image of a monitoring area around the work machine to a basic screen that does not include the captured image. The second switching process is a process in which the display screen to be displayed on the display device is switched, in accordance with switching from the disabled state to the enabled state according to the operation state of the disabling operation unit, from the basic screen to the camera screen.

Abstract: The work machine control method includes displaying a display screen including information related to a work machine, on a display device, and switching, when a switching operation unit is operated, the display screen to be displayed on the display device, among a plurality of screens according to a switching pattern. Here, the control method further comprises changing the switching pattern according to a movement state of the work machine.

Abstract: An image forming apparatus including a consumable to be used for image formation. The image forming apparatus includes: a usage amount detector configured to detect a cumulative value of a usage amount of the consumable and a remaining amount of the consumable; a predictor configured to predict a period that allows use of the consumable based on the remaining amount detected by the usage amount detector; and a determination unit configured to generate a delivery request signal for prompting a delivery request for the consumable when the period that allows the use predicted by the predictor is smaller than a predetermined number-of-day threshold value. The image forming apparatus avoids performing processing for generating a delivery request signal by the determination unit after the start of the use of the image forming apparatus until a predetermined condition is satisfied.

Abstract: This operating device includes a dial, a display unit, and an allocation unit. The dial receives a rotational operation. The allocation unit selectively allocates to the dial either an engine operational function to adjust the rotation speed of an engine or a screen operational function to perform an operation according to a screen shown on the display unit. It is preferable that the allocation unit allocates the engine operational function to the dial in response to turning on of a key switch for starting up the engine.

Abstract: A gallium nitride semiconductor device includes: a chip formation substrate made of gallium nitride and having one surface and an other surface opposite to the one surface; a one surface side element component disposed on the one surface and providing a component of an one surface side of a semiconductor element; and a metal film constituting a back surface electrode in contact with the other surface. The other surface has an irregularity provided by a plurality of convex portions with a trapezoidal cross section and a plurality of concave portions located between the convex portions; and an upper base surface of the trapezoidal cross section in each of the plurality of convex portions is opposed to the one surface.

Abstract: A semiconductor chip includes: an epitaxial film made of gallium nitride; a semiconductor element disposed in the epitaxial film; a chip formation substrate including the epitaxial film and having a first surface, a second surface opposite to the first surface, and a side surface connecting the first surface and the second surface; and a convex and a concavity on the side surface.

Abstract: A display device includes a display unit and a control unit. The display unit can display direct information that indicates object information directly and indirect information that indicates the object information indirectly. The control unit controls the display unit to display the direct information and the indirect information. The object information is preferably a changing value.

Abstract: A manufacturing method of a semiconductor device, includes: forming a gas vent recess in a first surface of a compound semiconductor substrate, which includes a plurality of device regions adjacent to the first surface, along an interface between the plurality of device regions; forming an altered layer inside the compound semiconductor substrate to extend along the first surface at a depth corresponding to a range of a depth of the gas vent recess by applying a laser beam; dividing the compound semiconductor substrate at the altered layer into a first part including the first surface and a second part including a second surface of the compound semiconductor substrate opposite to the first surface; and forming a metal film to cover a divided surface of the first part while exposing the gas vent recess.

Abstract: A method for manufacturing a gallium nitride semiconductor device includes: preparing a gallium nitride wafer; forming an epitaxial growth film on the gallium nitride wafer to provide a processed wafer having chip formation regions; perform a surface side process on a one surface side of the processed wafer; removing the gallium nitride wafer and dividing the processed wafer into a chip formation wafer and a recycle wafer; and forming an other surface side element component on an other surface side of the chip formation wafer.

Abstract: A cooling device includes a casing having a peripheral wall, a plurality of heat exchangers disposed side by side so as to extend transversely in the casing, and a plurality of fans opposed to the plurality of heat exchangers. The casing has a plurality of baffles that extend from the heat exchanger group side toward the cooling fan group side in a space surrounded by the peripheral wall and is arrayed in an arrangement direction of the plurality of heat exchanges. A one side end portion of each baffle is positioned on a boundary between two mutually adjacent heat exchangers or on one of the heat exchangers. The fifth fan is disposed at such a position as to be opposed to one of the plurality of baffles, and other fans are disposed at a position between the peripheral wall and a baffle or between the plurality of baffles.

Abstract: A working machine includes a display unit, a reception unit, and a display processing unit. The display unit displays a first screen that displays a first mark indicating a set function and a second screen for setting the function. The reception unit receives an instruction of setting a function when the display unit displays the second screen. In response to reception of the instruction of setting the function by the reception unit, when the display unit displays the second screen, the display processing unit causes the display unit to display a second mark corresponding to the first mark and superimposes the second mark on the second screen.

Abstract: This display device includes a display unit, a receiving unit, and a control unit. The display unit displays a first screen having a selection item display area. The receiving unit receives a command for selecting a selection item displayed in the selection item display area. The control unit displays, on the basis of alarm information which indicates that an error has occurred, an alarm mark image in the selection item display area. When the alarm mark image is displayed in the selection item display area, the control unit assigns, to the receiving unit, a function of receiving an alarm mark selection command which is the command for selecting the alarm mark image. When the receiving unit receives the alarm mark selection command, the control unit displays, on the display unit, a second screen for indicating the content of the error.

Abstract: An image forming apparatus including a consumable to be used for image formation. The image forming apparatus includes: a usage amount detector configured to detect a cumulative value of a usage amount of the consumable and a remaining amount of the consumable; a predictor configured to predict a period that allows use of the consumable based on the remaining amount detected by the usage amount detector; and a determination unit configured to generate a delivery request signal for prompting a delivery request for the consumable when the period that allows the use predicted by the predictor is smaller than a predetermined number-of-day threshold value. The image forming apparatus avoids performing processing for generating a delivery request signal by the determination unit after the start of the use of the image forming apparatus until a predetermined condition is satisfied.