Abstract: A battery reservation device (10) comprises a required charge amount acquisition component (11), a remaining battery charge acquisition component (12), a charging speed acquisition component (14), and an exchange completion time calculator (16). The required charge amount acquisition component (11) inputs the amount of battery charging needed by the user. The remaining battery charge acquisition component (12) acquires the remaining battery charge at the present time for each of the battery packs (1) at a plurality of battery stations (30). The charging speed acquisition component (14) acquires the charging speeds at the plurality of battery stations (30). The exchange completion time calculator (16) calculates the exchange completion time for the battery packs (1) at the plurality of battery stations (30) on the basis of the acquired required charge amount, the remaining battery charge at the present time, and the battery charging speed.

Abstract: A reservation management device (50) is a reservation management device configured to manage reservations for the exchange of battery packs (10) at a charging device (30) where battery packs (10) are exchanged, said reservation management device (50) comprising a reservation number acquisition component (53), a return number acquisition component (54), and a reservation possibility determination component (55). The reservation number acquisition component (53) is configured to acquire number of battery packs (10) to be reserved at the charging device (30). The return number acquisition component (54) is configured to acquire number of battery packs (10) to be returned to the charging device (30).

Abstract: A drive mode selection device for selecting a drive mode of an assistance device that assists a user by generating motive power using electric power from a battery, and that can be driven in a plurality of drive modes having different outputs, the drive mode selection device comprises a task information acquisition unit configured to acquire task information, which is information relating to a predetermined task to be executed by the assistance device; a remaining charge acquisition unit configured to acquire a remaining charge of the battery; a power estimation unit configured to estimate a power amount discrepancy on the basis of the task information and the remaining charge of the battery; and a mode selection unit configured to select the drive mode on the basis of the estimation result.

Abstract: In a method for manufacturing a group 13 nitride crystal, a seed crystal made of a group 13 nitride crystal is arranged in a mixed melt containing an alkali metal and a group 13 element, and nitrogen is supplied to the mixed melt to grow the group 13 nitride crystal on a principal plane of the seed crystal. The seed crystal is manufactured by vapor phase epitaxy. At least a part of contact members coming into contact with the mixed melt in a reaction vessel accommodating the mixed melt is made of Al2O3. An interface layer having a photoluminescence emission peak whose wavelength is longer than the wavelength of a photoluminescence emission peak of the grown group 13 nitride crystal is formed between the seed crystal and the grown group nitride crystal.

Abstract: A battery remaining capacity display device (30) comprises remaining capacity calculators (32A, 32B), a combined remaining capacity calculator (33), a display controller (35), a display instruction component (36), and a display component (34). The display controller (35) controls the display of the individual remaining capacities and the display of the total remaining capacity. The display instruction component (36) instructs the display controller (35) to display or not to display. The display component (34) displays the individual remaining capacities and the total remaining capacity. The display controller (35) performs control so that the individual remaining capacities and/or the combined remaining capacity is displayed on the display distribution (34) according to an instruction from the display instruction component (36).

Abstract: A control device includes an acquisition unit acquiring a condition of a vehicle upon reception of a control request, an execution ability determination unit determining whether or not the vehicle is in a condition where the control request can be executed safely, an execution control unit executing the control request when the vehicle is determined to be in a condition where the control request can be executed safely, and a changeover control unit implementing control to change over the condition of the vehicle to a condition where the control request can be executed safely. When the vehicle is in a condition where the control request cannot be executed safely, the changeover control unit is activated. After the vehicle becomes in a condition where the control request can be executed safely, the execution control unit executes the control request.

Abstract: A drive mode selection device for selecting a drive mode of an assistance device that assists a user by generating motive power using electric power from a battery, and that can be driven in a plurality of drive modes having different outputs, the drive mode selection device comprises a task information acquisition unit configured to acquire task information, which is information relating to a predetermined task to be executed by the assistance device; a remaining charge acquisition unit configured to acquire a remaining charge of the battery; a power estimation unit configured to estimate a power amount discrepancy on the basis of the task information and the remaining charge of the battery; and a mode selection unit configured to select the drive mode on the basis of the estimation result.

Abstract: At an actual reception counter, a person in charge of reception can see looks and belongings of a visitor, and may guess a business of the visitor before the visitor reaches the reception counter. However, in communication between communication terminals, there is a problem about usability such that contents on one side cannot be confirmed on a communication terminal on the other side before requesting for communication. To solve the problem, the session control unit 58 of a management system 50 executes, when communication has been established between one or more communication terminals 10 on a customer side and communication terminals 10 on an operator side, control for starting transmission of content data of the communication terminals 10 on the customer side to the communication terminals 10 on the operator side.

Abstract: A battery remaining capacity display device (30) comprises remaining capacity calculators (32A, 32B), a combined remaining capacity calculator (33), a display controller (35), a display instruction component (36), and a display component (34). The display controller (35) controls the display of the individual remaining capacities and the display of the total remaining capacity. The display instruction component (36) instructs the display controller (35) to display or not to display. The display component (34) displays the individual remaining capacities and the total remaining capacity. The display controller (35) performs control so that the individual remaining capacities and/or the combined remaining capacity is displayed on the display distribution (34) according to an instruction from the display instruction component (36).

Abstract: A guide device (40) comprises a station battery information acquisition component (41), a vehicle battery information acquisition component (43), and a guide component (46). The station battery information acquisition component (41) is configured to acquire station battery information about a plurality of batteries (10) that are being charged at a charging station (60) in which are installed one or more charging devices configured to charge the batteries (10). The vehicle battery information acquisition component (43) is configured to acquire vehicle battery information about the batteries (10) respectively connected to a plurality of vehicles (20). The guide component (46) is configured to guide a specific vehicle (20) to a specific charging station on the basis of the station battery information acquired by the station battery information acquisition component (41) and the vehicle battery information acquired by the vehicle battery information acquisition component (43).

Abstract: A control device includes an acquisition unit acquiring a condition of a vehicle upon reception of a control request, an execution ability determination unit determining whether or not the vehicle is in a condition where the control request can be executed safely, an execution control unit executing the control request when the vehicle is determined to be in a condition where the control request can be executed safely, and a changeover control unit implementing control to change over the condition of the vehicle to a condition where the control request can be executed safely. When the vehicle is in a condition where the control request cannot be executed safely, the changeover control unit is activated. After the vehicle becomes in a condition where the control request can be executed safely, the execution control unit executes the control request.

Abstract: A battery pack (10) supplies power to a vehicle (20), and comprises a receiver (11), a signal analyzer (12), and a discharge controller (14). The receiver (11) receives from the vehicle (20) a proper use signal generated by the vehicle (20). The signal analyzer (12) analyzes the proper use signal received by the receiver (11). The discharge controller (14) permits power supply to the vehicle (20) when it has been confirmed, as a result of analysis by the signal analyzer (12), that a proper use signal has been received from the vehicle (20).

Abstract: A method for producing a gallium nitride crystal includes growing a gallium nitride crystal 5 by dissolving nitrogen in a mixed melt including gallium and sodium, and collecting the gallium 55 separated from an alloy 51 including the gallium and the sodium by reacting the alloy 51 and a liquid 52 that ionizes the sodium and separating sodium ions and the gallium 55 from the alloy.

Abstract: In a control apparatus, a discharge control unit controls an igniter unit so that a flow of current from a primary coil towards a ground side is blocked, thereby generating a high voltage in a secondary coil, and controls a spark plug so that the spark plug generates electric discharge. An energy input control unit controls an energy input unit so as to input electrical energy to an ignition coil after the start of control of the spark plug by the discharge control unit. A control unit and an abnormality detecting unit detects an abnormality in the igniter unit or the ignition coil based on a first threshold and a first current value that is a value corresponding to a current detected by a current detection circuit at this time, when a first predetermined period elapses after the start of control of the spark plug by the discharge control unit.

Abstract: A battery reservation device (10) comprises a required charge amount acquisition component (11), a remaining battery charge acquisition component (12), a charging speed acquisition component (14), and an exchange completion time calculator (16). The required charge amount acquisition component (11) inputs the amount of battery charging needed by the user. The remaining battery charge acquisition component (12) acquires the remaining battery charge at the present time for each of the battery packs (1) at a plurality of battery stations (30). The charging speed acquisition component (14) acquires the charging speeds at the plurality of battery stations (30). The exchange completion time calculator (16) calculates the exchange completion time for the battery packs (1) at the plurality of battery stations (30) on the basis of the acquired required charge amount, the remaining battery charge at the present time, and the battery charging speed.

Abstract: A method of manufacturing a semiconductor device includes forming a mask layer including aluminum or an aluminum compound on a layer to be etched comprising at least one first metal selected from tungsten, tantalum, zirconium, hafnium, molybdenum, niobium, ruthenium, osmium, rhenium, and iridium. The method of manufacturing a semiconductor device further includes patterning the mask layer, and etching the layer to be etched by using the patterned mask layer to form a hole or a groove in the layer to be etched.

Abstract: A charge and discharge control device (30) controls the charging and discharging of a plurality of capacitors (11) configure to be removably connected in parallel to a vehicle (20). A receiver (34) acquires the remaining capacity of each of the capacitors (11). A required power calculator (33) calculates the amount of power required to reach a station (100) where the exchange of battery packs (10) including the capacitors (11) is performed, from position information about the station (100) and the current location of the vehicle (20). A target remaining capacity generator (35) calculates the target remaining capacity of each of the storage units (11) upon arrival at the station (100) from the required power amount calculated by the required power calculator (33) and sum of the remaining capacity of each of the storage units (11) acquired by the remaining capacity receiver (34).

Abstract: A battery reservation device (10) comprises a battery state acquisition component (12), a scheduled return time acquisition component (13c), a remaining battery charge prediction component (14), a battery station information acquisition component (15), and a reservation acceptance component (17). The battery state acquisition component (12) acquires the remaining battery charge of a battery pack (1) scheduled to be returned to a battery station (30a). The scheduled return time acquisition component (13c) acquires the scheduled return time of the battery pack (1). The remaining battery charge prediction component (14) predicts the remaining battery charge at the time of return on the basis of the current remaining battery charge of the battery pack (1) and the scheduled return time. The battery station information acquisition component (15) acquires the charging speed of a charger (31).

Abstract: A battery reservation device (10) includes an input acceptance component (11), a battery number acquisition component (12), and a rental number and capacity calculator (15). The input acceptance component (11) inputs from the user information related to the total power amount of the battery packs (1) that is desired to be rented. The battery number acquisition component (12) acquires information related to the number of battery packs (1) that are installed in a vehicle (20). The rental number and capacity calculator (15) calculates the number and capacity of the battery packs (1) that are rentable at each battery station (30) on the basis of information related to the number of battery packs (1) acquired by the battery number acquisition component (12) and the total power amount of the battery packs (1) inputted to the input acceptance component (11).

Abstract: A reservation management device (50) is a reservation management device configured to manage reservations for the exchange of battery packs (10) at a charging device (30) where battery packs (10) are exchanged, said reservation management device (50) comprising a reservation number acquisition component (53), a return number acquisition component (54), and a reservation possibility determination component (55). The reservation number acquisition component (53) is configured to acquire number of battery packs (10) to be reserved at the charging device (30). The return number acquisition component (54) is configured to acquire number of battery packs (10) to be returned to the charging device (30).