Abstract: A driver device includes a control circuit for controlling an output stage circuit for supplying an output current to a coil, and makes a movable part move with the magnetism generated by the supplied output current. The control circuit can perform holding control to hold the state of the movable part unchanged by suspending its movement. During the holding control by the control circuit, application of an external force tending to change the state of the movable part against the holding control is detected based on the state of supply of electric power to the coil by the output stage circuit, the output current, or the current flowing through the output stage circuit.

Abstract: A driver device supplies an output current to each coil in a stepping motor to rotate a rotor. After the polarity and magnitude of the output current for each coil have reached the target polarity and magnitude, during control for keeping the polarity and magnitude of the output current for each coil at the target polarity and magnitude, occurrence of a particular current waveform in the output current due to a back-electromotive force resulting from the rotation of the rotor is detected so that, if a particular current waveform is detected, a predetermined detection signal is transmitted to an external device.

Abstract: A driver device supplies an output current to each coil in a stepping motor to rotate a rotor. After the polarity and magnitude of the output current for each coil have reached the target polarity and magnitude, during control for keeping the polarity and magnitude of the output current for each coil at the target polarity and magnitude, occurrence of a particular current waveform in the output current due to a back-electromotive force resulting from the rotation of the rotor is detected so that, if a particular current waveform is detected, a predetermined detection signal is transmitted to an external device.

Abstract: A driver device includes a control circuit for controlling an output stage circuit for supplying an output current to a coil, and makes a movable part move with the magnetism generated by the supplied output current. The control circuit can perform holding control to hold the state of the movable part unchanged by suspending its movement. During the holding control by the control circuit, application of an external force tending to change the state of the movable part against the holding control is detected based on the state of supply of electric power to the coil by the output stage circuit, the output current, or the current flowing through the output stage circuit.

Abstract: A base station device includes a processor. The processor is configured to acquire first information on a first communication load of the base station device. The processor is configured to determine, on basis of the first information, whether a first event occurs. The processor is configured to acquire, upon determining that the first event occurs, second information on second communication loads of other base station devices located within a predetermined range from the base station device. The processor is configured to determine an impact range and an impact time of the first event on basis of the first information and the second information. The processor is configured to instruct terminal devices within the impact range to change, during the impact time, a setting of discontinuous reception from a normal setting to a first setting for easier detection of an incoming call.

Abstract: A base station device includes a processor. The processor is configured to acquire first information on a first communication load of the base station device. The processor is configured to determine, on basis of the first information, whether a first event occurs. The processor is configured to acquire, upon determining that the first event occurs, second information on second communication loads of other base station devices located within a predetermined range from the base station device. The processor is configured to determine an impact range and an impact time of the first event on basis of the first information and the second information. The processor is configured to instruct terminal devices within the impact range to change, during the impact time, a setting of discontinuous reception from a normal setting to a first setting for easier detection of an incoming call.