Abstract: A power storage system, in which two or more power storage devices are connected in parallel to one power conversion device by wiring, includes a detection unit that detects a voltage of the two or more power storage devices, and a control unit that executes current decrease control for decreasing a predetermined discharge current input to the power conversion device or a predetermined charge current output from the power conversion device to reduce a difference in voltage between the two or more power storage devices when the voltage detected by the detection unit reaches a predetermined voltage.

Abstract: A power supply apparatus is connectable to a common communication line together with at least one other apparatus. The power supply apparatus includes a communication interface and a controller. The communication interface is configured to transmit a signal indicating the presence of the power supply apparatus to a first apparatus connected to the power supply apparatus among the at least one other apparatus and to receive a signal indicating the presence of a second apparatus from the second apparatus connected to the power supply apparatus among the at least one other apparatus. The controller is configured to determine whether the power supply apparatus is connected to an end portion of the common communication line, based on whether the communication interface has received the signal indicating the presence of the second apparatus.

Abstract: A controller 10 performs a first welding check and a second welding check in any order, and then performs a third welding check before a fourth welding check and also performs a fifth welding check before a sixth welding check. The first welding check is performed by turning on a first relay 18. The second welding check is performed by turning on a second relay 19. The third welding check is performed by turning on an in-phase relay, a third relay 20, and a fourth relay 21. The fourth welding check is performed by turning on an out-of-phase relay, the third relay 20, and the fourth relay 21. The fifth welding check is performed by turning on the in-phase relay, a fifth relay 22, and a sixth relay 23. The sixth welding check is performed by turning on the out-of-phase relay, the fifth relay 22, and the sixth relay 23.

Abstract: A power control system comprises: a dummy output unit configured to supply a dummy current to a current sensor during independent operation, and not supply the dummy current to the current sensor during interconnected operation, the dummy current corresponding to forward power flow; and a controller configured to determine whether a supply state of the dummy current is normal, and control whether to continue operation of the dummy output unit.

Abstract: A power supply apparatus is connectable to a common communication line together with at least one other apparatus. The power supply apparatus includes a communication interface and a controller. The communication interface is configured to transmit a signal indicating the presence of the power supply apparatus to a first apparatus connected to the power supply apparatus among the at least one other apparatus and to receive a signal indicating the presence of a second apparatus from the second apparatus connected to the power supply apparatus among the at least one other apparatus. The controller is configured to determine whether the power supply apparatus is connected to an end portion of the common communication line, based on whether the communication interface has received the signal indicating the presence of the second apparatus.

Abstract: A controller 10 performs a first welding check and a second welding check in any order, and then performs a third welding check before a fourth welding check and also performs a fifth welding check before a sixth welding check. The first welding check is performed by turning on a first relay 18. The second welding check is performed by turning on a second relay 19. The third welding check is performed by turning on an in-phase relay, a third relay 20, and a fourth relay 21. The fourth welding check is performed by turning on an out-of-phase relay, the third relay 20, and the fourth relay 21. The fifth welding check is performed by turning on the in-phase relay, a fifth relay 22, and a sixth relay 23. The sixth welding check is performed by turning on the out-of-phase relay, the fifth relay 22, and the sixth relay 23.

Abstract: A power controller capable of grid interconnection of at least one distributed power source of a first type and at least one distributed power source of a second type together includes: a switch configured to switch between a parallel state in which the at least one distributed power source of the second type is interconnected to a grid together with the at least one distributed power source of the first type and a parallel off state in which the at least one distributed power source of the second type is independent of the at least one distributed power source of the first type and is paralleled off from the grid; and a controller configured to cause the switch to be in the parallel off state when reverse power flow occurs.

Abstract: To establish a system capable of efficient operation control between a plurality of distributed power sources without undermining the versatility of the distributed power sources, a power control system controls a power generation device and other distributed power sources, the power generation device generating power while a current sensor detects forward power flow. The power control system includes: a power control device including an output unit configured to output power supplied from the other distributed power sources, in a state where the power generation device and the other distributed power sources are paralleled off from a grid; and a dummy output system configured to supply a dummy current detectable by the current sensor as a current in the same direction as the forward power flow, using an output from the output unit, wherein the dummy output system includes step-down unit located between the output unit and the current sensor.

Abstract: A power control system comprises: a dummy output unit configured to supply a dummy current to a current sensor during independent operation, and not supply the dummy current to the current sensor during interconnected operation, the dummy current corresponding to forward power flow; and a controller configured to determine whether a supply state of the dummy current is normal, and control whether to continue operation of the dummy output unit.

Abstract: A display unit (13) displays objects. A contact detection unit (11) detects contact at positions corresponding to the objects displayed on the display unit (13). A pressure detection unit (12) detects pressure due to contact on the contact detection unit (11). A control unit (10) executes processing associated with an object displayed on the display unit (13) when the contact detection unit (11) detects contact at a position corresponding to the object and data based on the pressure detected by the pressure detection unit (12) satisfies a predetermined standard. The control unit (10) executes control so that the predetermined standard differs among display areas of the display unit (13) on which the objects are displayed.

Abstract: To establish a system capable of efficient operation control between a plurality of distributed power sources without undermining the versatility of the distributed power sources, a power control system controls a power generation device and other distributed power sources, the power generation device generating power while a current sensor detects forward power flow. The power control system includes: a power control device including an output unit configured to output power supplied from the other distributed power sources, in a state where the power generation device and the other distributed power sources are paralleled off from a grid; and a dummy output system configured to supply a dummy current detectable by the current sensor as a current in the same direction as the forward power flow, using an output from the output unit, wherein the dummy output system includes step-down unit located between the output unit and the current sensor.

Abstract: A power controller capable of grid interconnection of at least one distributed power source of a first type and at least one distributed power source of a second type together includes: a switch configured to switch between a parallel state in which the at least one distributed power source of the second type is interconnected to a grid together with the at least one distributed power source of the first type and a parallel off state in which the at least one distributed power source of the second type is independent of the at least one distributed power source of the first type and is paralleled off from the grid; and a controller configured to cause the switch to be in the parallel off state when reverse power flow occurs.

Abstract: An electronic device, which accepts inputs in a plurality of levels according to pressing loads, includes: a control unit, which performs an autofocus process of automatically adjusting a focus with respect to the photographic subject when a load detecting unit detects a pressing load that satisfies a load standard for accepting a first-level input, and controls so that a still image is acquired, when the load detecting unit detects a pressing load that satisfies a load standard for accepting a second-level input higher than the load standard for accepting the first-level input, wherein, from when the autofocus process starts to when adjustment of the focus with respect to the photographic subject is completed, when the load detecting unit detects the pressing load that satisfies the load standard for accepting the second-level input, the control unit controls so that the still image is not acquired.

Abstract: An electronic device, which accepts inputs in a plurality of levels according to pressing loads, after a first-level input is accepted, when a load detecting unit continuously detects a pressing load, which satisfies a first load standard for releasing the acceptance of the first-level input and does not satisfy a second load standard for accepting a second-level input higher than the first load standard, for a predetermined time period, the control unit controls at least one load standard of the first load standard and the second load standard so that an interval from the first load standard to the second load standard widens.

Abstract: A display unit (13) displays objects. A contact detection unit (11) detects contact at positions corresponding to the objects displayed on the display unit (13). A pressure detection unit (12) detects pressure due to contact on the contact detection unit (11). A control unit (10) executes processing associated with an object displayed on the display unit (13) when the contact detection unit (11) detects contact at a position corresponding to the object and data based on the pressure detected by the pressure detection unit (12) satisfies a predetermined standard. The control unit (10) executes control so that the predetermined standard differs among display areas of the display unit (13) on which the objects are displayed.

Abstract: An electronic device, which accepts inputs in a plurality of levels according to pressing loads, includes: a control unit, which performs an autofocus process of automatically adjusting a focus with respect to the photographic subject when a load detecting unit detects a pressing load that satisfies a load standard for accepting a first-level input, and controls so that a still image is acquired, when the load detecting unit detects a pressing load that satisfies a load standard for accepting a second-level input higher than the load standard for accepting the first-level input, wherein, from when the autofocus process starts to when adjustment of the focus with respect to the photographic subject is completed, when the load detecting unit detects the pressing load that satisfies the load standard for accepting the second-level input, the control unit controls so that the still image is not acquired.

Abstract: An electronic device, which accepts inputs in a plurality of levels according to pressing loads, after a first-level input is accepted, when a load detecting unit continuously detects a pressing load, which satisfies a first load standard for releasing the acceptance of the first-level input and does not satisfy a second load standard for accepting a second-level input higher than the first load standard, for a predetermined time period, the control unit controls at least one load standard of the first load standard and the second load standard so that an interval from the first load standard to the second load standard widens.

Abstract: A base station FLC powered by a commercial power source includes a registration unit 122 for registering information of at least one mobile station using the base station, a battery 160 for supplying power to the base station, a power control unit 150 capable of switching a power supply for the base station from the commercial power source to the battery, and a transmission unit 110, 140 for transmitting a message to a mobile station registered at the registration unit when the power supply for the base station is switched from the commercial power source to the battery by the power control unit.

Abstract: A PC card terminal device operates while supplied with power from a computer in which the PC card terminal device is mounted. A transmission power controller determines a first marginal transmission power, and increases the transmission power of the PC card terminal device up to the first marginal transmission power, and further increases the transmission power increased to the first marginal transmission power at an increasing rate smaller than the increasing rate of the above-mentioned increase.

Abstract: A base station FLC powered by a commercial power source includes a registration unit 122 for registering information of at least one mobile station using the base station, a battery 160 for supplying power to the base station, a power control unit 150 capable of switching a power supply for the base station from the commercial power source to the battery, and a transmission unit 110, 140 for transmitting a message to a mobile station registered at the registration unit when the power supply for the base station is switched from the commercial power source to the battery by the power control unit.