Abstract: A control device includes a power generator simulation unit to generate a voltage command value, and a signal generation unit to generate a control signal for the power converter. The power generator simulation unit includes a first integrator to time-integrate a first difference between effective power and a target value of the effective power and output a first angular frequency, a second integrator to time-integrate the first angular frequency and output a phase of an AC voltage, and a voltage command generation unit to generate the voltage command value based on the AC voltage, a target value of the AC voltage, and the phase. When a voltage difference between the AC voltage and the target value of the AC voltage is greater than a threshold, the first integrator outputs a difference between an angular frequency of the AC voltage and a reference angle frequency as the first angular frequency.

Abstract: In a power grid stabilization system, a second energy storage system has a larger energy storage capacity than a first energy storage system. A bidirectional AC/DC converter is connected between an AC power grid and a pair of input and output terminals of the first energy storage system. A first bidirectional DC/DC converter is connected between the pair of input and output terminals of the first energy storage system and a pair of input and output terminals of the second energy storage system.

Abstract: An electric power control system includes a plurality of power converters connected in parallel. Each power converter, among the plurality of power converters, converts a direct-current power of an electricity storage device connected to the power converter into an alternating-current power, and outputs the alternating-current power to the power system. The electric power control system further includes: a power generator simulation unit to simulate characteristics of the synchronous generator based on an aggregate active power to generate a phase of the alternating-current voltage; a signal generation unit to generate a control signal for the power converter, based on the phase of the alternating-current voltage. The power generator simulation unit generates a first angular frequency based on a first difference between the aggregate active power and a target value for the aggregate active power, and generates, based on the first angular frequency, the phase of the alternating-current voltage.

Abstract: A power conversion device includes a power converter connected between a multi-phase alternating-current circuit and a direct-current circuit, and a control device to control the power converter. The control device detects an unbalanced component indicating a voltage unbalanced component or a current unbalanced component of the alternating-current circuit and limits a magnitude of an alternating current flowing between the power converter and the alternating-current circuit based on the unbalanced component.

Abstract: An information processing device includes a control unit functioning as a receiving unit, a processing unit, and a storage controller, a storage, and a communication unit. The storage controller stores data in the storage when the receiving unit receives a predetermined storage instruction, transmits the data to a predetermined storage device among a plurality of storage devices, and stores the transmitted data in the predetermined storage device.

Abstract: An information processing device includes a control unit functioning as a receiving unit, a processing unit, and a storage controller, a storage, and a communication unit. Each of a plurality of sheets of data is associated with each predetermined storage device among a plurality of storage devices, and information indicating a correspondence between the plurality of sheets and the predetermined storage devices is stored in the storage in advance. When the receiving unit receives a predetermined storage instruction, the storage controller performs a process of storing data in the storage and causing the communication unit to transmit data indicating the plurality of sheets to storage devices associated with the sheets with respect to each of the plurality of sheets, and stores the transmitted data in the storage devices.

Abstract: A display device includes a display, a detector, and a controller. The display has a display surface. The display displays an image. The detector is capable of detecting at least three touch positions each on the basis of a touch on the display surface by a detection target. The controller controls the display and the detector. The controller determines whether or not a pinch operation is performed on the basis of whether or not a distance between two touch positions touched last by the detection target is changed. When determining that the pinch operation is performed, the controller performs zoom-in processing or zoom-out processing on the image using a touch position touched immediately before the last touched two touch positions as a reference point.

Abstract: Provided is a password-authenticating device that does not allow a password to be perceived from the hand movement of an operator while entering a password. The password-authenticating device according to the present disclosure executes a login process by comparing an entered password candidate with a registered password. The password-authenticating device includes a comparison unit and authenticating unit. When the entered password candidate matches the registered password, the comparison unit receives re-entry of the password candidate a set number of times of dummy input. After re-entry of the password candidate has reached the number of times of dummy input, the authenticating unit executes the login process regardless of whether or not the re-entered password candidate matches the registered password.

Abstract: An information processing device includes a control unit functioning as a receiving unit, a processing unit, and a storage controller, a storage, and a communication unit. Each of a plurality of sheets of data is associated with each predetermined storage device among a plurality of storage devices, and information indicating a correspondence between the plurality of sheets and the predetermined storage devices is stored in the storage in advance. When the receiving unit receives a predetermined storage instruction, the storage controller performs a process of storing data in the storage and causing the communication unit to transmit data indicating the plurality of sheets to storage devices associated with the sheets with respect to each of the plurality of sheets, and stores the transmitted data in the storage devices.

Abstract: An information processing device includes a control unit functioning as a receiving unit, a processing unit, and a storage controller, a storage, and a communication unit. The storage controller stores data in the storage when the receiving unit receives a predetermined storage instruction, transmits the data to a predetermined storage device among a plurality of storage devices, and stores the transmitted data in the predetermined storage device.

Abstract: An information processing device includes a control unit functioning as a receiving unit, a processing unit, and a storage controller, a storage, and a communication unit. The storage stores information indicating a plurality of predetermined storage devices among a plurality of storage devices and information indicating priorities concerning storage destinations of the plurality of predetermined storage devices. When the receiving unit receives a predetermined storage instruction, the storage controller performs a process of storing data in the storage and causing the communication unit to transmit the data to a storage device in which a priority equal to or higher than a value indicated by the storage instruction is set among the plurality of predetermined storage devices in response to the storage instruction received by the receiving unit, and stores the transmitted data in the storage devices.

Abstract: A display device includes a display, a detector, and a controller. The display has a display surface. The display displays an image. The detector is capable of detecting at least three touch positions each on the basis of a touch on the display surface by a detection target. The controller controls the display and the detector. The controller determines whether or not a pinch operation is performed on the basis of whether or not a distance between two touch positions touched last by the detection target is changed. When determining that the pinch operation is performed, the controller performs zoom-in processing or zoom-out processing on the image using a touch position touched immediately before the last touched two touch positions as a reference point.

Abstract: Provided is a password-authenticating device that does not allow a password to be perceived from the hand movement of an operator while entering a password. The password-authenticating device according to the present disclosure executes a login process by comparing an entered password candidate with a registered password. The password-authenticating device includes a comparison unit and authenticating unit. When the entered password candidate matches the registered password, the comparison unit receives re-entry of the password candidate a set number of times of dummy input. After re-entry of the password candidate has reached the number of times of dummy input, the authenticating unit executes the login process regardless of whether or not the re-entered password candidate matches the registered password.

Abstract: When the reception section has received a duplex printing instruction, the operation control section controls an sheet feeding unit to feed one sheet, and controls an image forming unit to form an image of a first page on one side of the sheet, and controls the sheet conveying unit to discharge the sheet. When the reception section has received an instruction indicating that the discharged sheet is an unused sheet with the formed image, the operation control section controls the sheet feeding unit to feed one sheet set in a manual feed tray, and controls the image forming unit to form an image of a second page on the other side of the sheet. The operation control section controls the feeding unit to feed a sheet, and controls the image forming unit to form images of a third page and subsequent pages on both sides of the sheet.

Abstract: When the reception section has received a duplex printing instruction, the operation control section controls an sheet feeding unit to feed one sheet, and controls an image forming unit to form an image of a first page on one side of the sheet, and controls the sheet conveying unit to discharge the sheet. When the reception section has received an instruction indicating that the discharged sheet is an unused sheet with the formed image, the operation control section controls the sheet feeding unit to feed one sheet set in a manual feed tray, and controls the image forming unit to form an image of a second page on the other side of the sheet. The operation control section controls the feeding unit to feed a sheet, and controls the image forming unit to form images of a third page and subsequent pages on both sides of the sheet.

Abstract: An image forming device is disclosed which includes a problem detection unit for detecting problem, and problem alert unit for alerting a user to the detection of a problem. Until an initially detected problem A has been resolved, the problem alert unit will not issue a problem alert based upon a subsequently detected problem B. Consequently, when working to resolve a problem, if a subsequent problem B is detected, the detection of the problem B will be disregarded, and a problem alert will not be issued (by a buzzer or the like), and thus the user can devote themselves to resolving problem A without being disturbed by the buzzer or the like.

Abstract: After images are read, a user designates an image data for identifying a file, stores and registers the designated image data as a representative image data associating with the file. When a print request is made, the representative image data is displayed on the image processing apparatus. The representative image data for identifying a desired file is selected from the plurality of displayed representative image data and printed out.

Abstract: An image forming device is disclosed which includes a problem detection unit for detecting problem, and problem alert unit for alerting a user to the detection of a problem. Until an initially detected problem A has been resolved, the problem alert unit will not issue a problem alert based upon a subsequently detected problem B. Consequently, when working to resolve a problem, if a subsequent problem B is detected, the detection of the problem B will be disregarded, and a problem alert will not be issued (by a buzzer or the like), and thus the user can devote themselves to resolving problem A without being disturbed by the buzzer or the like.

Abstract: A composite apparatus having a display device and communicably connected with a client terminal is provided with a storage for storing character code tables corresponding to a plurality of character code formats; a communication controller for receiving a character data transmitted from the client terminal and a code information representing the character code format of the character data; and a display controller for displaying the character data received by the communication unit on the display device by referring to the character code table corresponding to the character code format of the received character data and stored in the storage.

Abstract: This image forming device is arranged such that desired functions and their respective setting details can be allocated to shortcut keys, and titles and icons representing the functions allocated to the shortcut keys can also be designated for the shortcut keys and displayed on the shortcut keys. Accordingly, when executing a function allocated to a shortcut key, the operator can select the desired function according to the indication on the shortcut key without having to refer to the operations manual or the like. Also, the operator can start the image forming operation for executing the function together with its setting details only by a pressing operation on the shortcut key, being spared operations for setting such details of the selected function. As a result, the number of times of key operations by the operator is reduced, thereby improving the operability.