Abstract: A storage battery device includes a battery unit, a first circuit breaker, a second circuit breaker, and a control unit. The first circuit breaker switches between connecting and disconnecting a first-electrode side of the battery unit and an external device. The second circuit breaker switches between connecting and disconnecting a second-electrode side of the battery unit and the external device. The control unit supplies power to the first circuit breaker and the second circuit breaker in sequence with the power supplied to the second circuit breaker offset relative to the power supplied to the first circuit breaker by a time period equal to or longer than a time difference required for a sum of currents flowing through the first circuit breaker and the second circuit breaker to reach an upper bound current that is set as an upper bound of a current.

Abstract: A storage battery device includes a battery unit, a first circuit breaker, a second circuit breaker, and a control unit. The first circuit breaker switches between connecting and disconnecting a first-electrode side of the battery unit and an external device. The second circuit breaker switches between connecting and disconnecting a second-electrode side of the battery unit and the external device. The control unit supplies power to the first circuit breaker and the second circuit breaker in sequence with the power supplied to the second circuit breaker offset relative to the power supplied to the first circuit breaker by a time period equal to or longer than a time difference required for a sum of currents flowing through the first circuit breaker and the second circuit breaker to reach an upper bound current that is set as an upper bound of a current.

Abstract: A storage battery management device includes a connector, storage, a drive voltage controller, a determiner, and a current sensor controller. The connector is connectable to a current sensor. The storage stores current sensor information including an output range of normal output values and each current-sensor type indicating a type of a current sensor connectable to the connector in association with each other. The drive voltage controller causes a current to flow through a current sensor while varying a voltage to be applied to the current sensor. The determiner determines, based on whether an output value that is received via the connector from the current sensor falls in the output range corresponding to the current-sensor type, the current-sensor type of the current sensor connected to the connector. The current sensor controller controls the current sensor in accordance with the determined current-sensor type.

Abstract: A storage battery device includes: first and second battery systems including a plurality of first and second battery modules and a plurality of first and second monitoring units detecting module information that is information related to the battery modules, and respectively having first and second identification information; and a battery management unit configured to receive a lower-level communication frame containing the monitoring identification information and the module information from the monitoring units, and transmit, to an upper-level device of the battery management unit, an upper-level communication frame that contains individual identification information assigned to each of the monitoring units based on system identification information assigned to the battery systems, and the monitoring identification information, that also contains the module information detected by the first or the second monitoring unit corresponding to the individual identification information, and that has a larger data

Abstract: A top spinning toy has a spring wound mechanical motor which rotates a socket having a spiral groove formed therein. A top has a spiral projection formed on an outer surface thereof and is screwed into the socket. The socket is rotated in the same direction as the top-inserting direction until a coil spring within the spring wound mechanical motor is wound tight. A release mechanism causes the spring tension to release and rotate the socket in a direction opposite the winding direction. The top leaves the socket automatically at a high speed and is capable of spinning for a long time.