Abstract: An electronic apparatus includes consumables configured to be restored by replacement or refill, a notification section configured to make a notification of alert information based on remaining amount information of the consumables, a remaining amount information obtaining section configured to obtain the remaining amount information of the consumables, a determination information obtaining section configured to obtain determination information for determining a state of replacement or refill of the consumables, and a learning section configured to perform machine learning of the notification of the alert information based on a learning model obtained by associating the remaining amount information with the determination information.

Abstract: A liquid ejecting apparatus includes a drive signal generation circuit generating a drive waveform signal, a liquid ejecting head including a vibration plate, a drive element displacing the vibration plate by being supplied with the drive waveform signal, a cavity that is filled with a liquid and of which an internal pressure changes by the displacement of the vibration plate, and a nozzle that communicates with the cavity and that ejects the liquid by the change in internal pressure of the cavity, and an ejecting malfunction detection circuit that detects, specifies a cause of the ejecting malfunction based on the residual vibration signal. The ejecting malfunction detection circuit includes a detection unit detecting the residual vibration signal, an obtaining unit obtaining information indicating an ejecting state of the liquid ejected from the nozzle, and a learning unit machine learning a relationship between the residual vibration signal and the ejecting state.

Abstract: An electronic apparatus includes a power source circuit configured to supply power source to a plurality of operation units, a notification section configured to make a notification of alert information based on temperature information of the power source circuit, a power source circuit temperature information obtaining section configured to obtain the temperature information of the power source circuit, a determination information obtaining section configured to obtain determination information for determining a state of the apparatus, and a learning section configured to perform machine learning of the notification of the alert information based on a learning model obtained by associating the temperature information with the determination information.

Abstract: A liquid discharge apparatus includes a liquid discharge head configured to discharge a liquid, a first wire and a second wire to which a first drive signal and a second drive signal for driving the liquid discharge head is respectively supplied, and a single relay substrate configured to relay the first drive signal and the second drive signal from the first wire and the second wire to the liquid discharge head. The single relay substrate includes a first connector configured to be connected to the first wire, a second connector configured to be connected to the second wire, and a relay connector configured to be connected to a head-side connector of the liquid discharge head. The relay connector outputs, to the head-side connector, the first drive signal supplied from the first wire to the first connector, and the second drive signal supplied from the second wire to the second connector.

Abstract: A mobile device includes a drive element, a first battery which supplies power to the drive element, a first terminal which receives a supply of power to charge the first battery and a second battery that supplies power to the drive element, and a second terminal which receives a supply of power to charge the first battery and the second battery, in which an electric storage capacity of the second battery is greater than an electric storage capacity of the first battery, the power supplied to the first terminal is greater than the power supplied to the second terminal, and charging of the second battery is prioritized over charging of the first battery when the first battery and the second battery are charged using the power supplied to the first terminal.

Abstract: A mobile device which includes a drive element, a processor which controls the drive element, a first battery which supplies power to the drive element, a second battery that supplies power to the drive element and is attachable and detachable, and power wiring which electrically couples the processor, the first battery, and the second battery to each other, in which a wiring length between the processor and the first battery in the power wiring is shorter than a wiring length between the processor and the second battery in the power wiring, and a wiring length between the second battery and the first battery in the power wiring is shorter than a wiring length between the second battery and the processor in the power wiring.

Abstract: A mobile device includes a first processor, a second processor having a smaller power consumption than the first processor, and a first battery capable of supplying power to the first processor and the second processor, in which a distance between the first processor and an attachable/detachable second battery that is capable of being attached and detached and that is capable of configured to supplying power to the first processor and the second processor is longer than a distance between the second processor and the second battery.

Abstract: A print head control circuit controls an operation of a print head that includes a nozzle plate and has a self-diagnosis function performed based on signals input from a first coupling point, a second coupling point, a third coupling point, and a fourth coupling point. The print head control circuit includes a first cable that includes a first power voltage signal propagation wiring for propagating a first power voltage signal, and a second cable that includes a first diagnosis signal propagation wiring for propagating a first diagnosis signal input to the first coupling point. A shortest distance between the nozzle plate and the first cable is longer than a shortest distance between the nozzle plate and the second cable.

Abstract: In a liquid discharge apparatus, a print head includes a supply port to which liquid is supplied; a nozzle plate that includes a nozzle for discharging the liquid; a substrate that includes first side, a second side, a first surface, and a second surface which is different from the first surface; a connector that is provided on the first surface; and an integrated circuit that is provided on the first surface, the substrate is provided between the nozzle plate and the supply port, the connector is provided along the first side, the integrated circuit is provided in a place which is not adjacent to the connector, and a shortest distance between the supply port and the first surface is longer than a shortest distance between the supply port and the second surface.

Abstract: In a print head control circuit, a first diagnostic signal wiring group includes first diagnostic signal propagation wiring that propagates a first diagnostic signal, and second diagnostic signal propagation wiring that propagates a second diagnostic signal, the first drive signal wiring group and the second drive signal wiring group propagate a first drive signal and a second drive signal that cause liquid to be discharged, in a first cable, the first diagnostic signal wiring group is provided between the first drive signal wiring group and the second drive signal wiring group.

Abstract: A control device for a construction machine includes an operational amount data acquisition unit configured to acquire operational amount data indicating an operational amount of the working unit, an operation determination unit configured to determine a non-operation state of a bucket on the basis of the operational amount data, a bucket control determination unit configured to determine whether bucket control conditions are satisfied, on the basis of determination of the non-operation state, and a working unit control unit configured to output a control signal for controlling the bucket to maintain a state of the working unit, when the bucket control conditions are determined to be satisfied.

Abstract: A connection cable electrically connects a head unit and a head unit control circuit. The head unit includes: an ejector, a determination circuit, and an ejection limit circuit. The ejector includes a displaceable piezoelectric element for controlling the liquid ejection. The piezoelectric element is displaced by changing a drive signal potential. The determination circuit determines whether the piezoelectric element has a predetermined electrical storage capability. The ejection limit circuit stops the drive signal to limit the ejection of the liquid based on the determination. The connection cable includes: a first connection supplying a determination instruction signal from the head unit control circuit to the head unit; a second connection supplying the drive signal from the head unit control circuit to the head unit; and a third connection between the first and second connections with a smaller potential change width than the second connection when the ejector ejects the liquid.

Abstract: A head unit control circuit controls a head unit. The head unit includes an ejector, a determination circuit, and an ejection limit circuit. The ejector includes a displaceable piezoelectric element for controlling the liquid ejection. The piezoelectric element is displaced by changing a drive signal potential. The determination circuit determines whether the piezoelectric element has a predetermined electrical storage capability. The ejection limit circuit stops the drive signal to limit the ejection of the liquid based on the determination. The head unit control circuit includes: a first terminal that outputs an instruction signal instructing the head unit to execute the determination; a second terminal that outputs the drive signal; and a third terminal that is between the first terminal and the second terminal. The third terminal has a smaller potential change width than the second terminal when the ejecting section ejects the liquid.

Abstract: A head unit control circuit controls a head unit. The head unit includes an ejector, a determination circuit, and an ejection limit circuit. The ejector includes a displaceable piezoelectric element for controlling the liquid ejection. The piezoelectric element is displaced by changing a drive signal potential. The determination circuit determines whether the piezoelectric element has a predetermined electrical storage capability. The ejection limit circuit stops the drive signal to limit the ejection of the liquid based on the determination. The head unit control circuit includes: a first terminal that outputs an instruction signal instructing the head unit to execute the determination; a second terminal that outputs the drive signal; and a third terminal that is between the first terminal and the second terminal. The third terminal has a smaller potential change width than the second terminal when the ejecting section ejects the liquid.

Abstract: A liquid ejecting apparatus includes a scanner unit, a scanner drive section that drives the scanner unit, a head unit that is provided with an ejection section, a drive signal generation section that generates a drive signal driving the ejection section, a casing in which the head unit is disposed, a temperature information output section that outputs temperature information indicating a value corresponding to a temperature in the casing, and a stop control section that decides a time length of the stop period in which generation of the drive signal is stopped based on the temperature information, in which the time length is longer when the scanner unit is driven than when the scanner unit is not driven.

Abstract: A liquid discharge apparatus includes: a frame; a substrate that is fixed to the frame and has a first surface and a second surface; a first circuit that is provided on the first surface; a second circuit that is provided on the second surface; a heat conductive sheet; and a head unit that is driven by a driving signal and is capable of discharging liquid, in which the first circuit includes a driving signal generation circuit that generates the driving signal using a first transistor and a second transistor, the heat conductive sheet is in contact with the frame, the first surface, the first transistor, and the second transistor, and a distance between a portion of the first circuit farthest from the first surface and the first surface is shorter than a distance between a portion of the second circuit farthest from the second surface and the second surface.

Abstract: A liquid ejecting head includes an ejecting section including a pressure chamber filled with liquid, a communicating flow channel communicating with a nozzle which ejects the liquid filling the pressure chamber, and a piezoelectric element driven with a drive signal, a circuit substrate provided above the ejecting section, a switch circuit which is provided on the circuit substrate, and a reserve chamber which reserves the liquid to be supplied to the pressure chamber. The piezoelectric element is provided in a sealed space defined by a plurality of members including the circuit substrate, the pressure chamber includes an inlet port allowing the liquid within the reserve chamber to flow into the pressure chamber, an outlet port allowing the liquid within the pressure chamber to flow to the reserve chamber, and a supply port allowing the liquid within the pressure chamber to be supplied to the communicating flow channel.

Abstract: A liquid ejecting head includes: a piezoelectric element driven with a drive signal; a switch circuit which is provided on a circuit substrate; a pressure chamber which is filled with liquid and changes pressure inside in accordance with the drive by the piezoelectric element; and a reserve chamber which reserves the liquid to be supplied to the pressure chamber. The piezoelectric element is provided in a sealed space defined by a plurality of members including the circuit substrate. The reserve chamber includes a first flow channel and a second flow channel. A first end of the first flow channel communicates with a first end of the second flow channel. A second end of the first flow channel communicates with a second end of the second flow channel. The circuit substrate and switch circuit are provided between the first flow channel and the second flow channel.

Abstract: A control device includes a bucket control unit and a speed restricting unit. The bucket control unit calculates a control speed controlling a bucket so as to maintain an angle of the work equipment at a constant angle. The speed restricting unit reduces the control speed when the bucket is driven at the control speed calculated by the bucket control unit and when a direction in which the bucket is driven and a direction in which the arm is driven coincide with each other.

Abstract: A liquid discharging apparatus includes a head unit driven by a drive signal to discharge a liquid; a substrate; and a first transistor and a second transistor provided on the substrate and configured to generate the drive signal. In the substrate, a screw hole is provided between the first transistor and the second transistor.