Abstract: A driving apparatus includes a first potential line that applies a first potential, a second potential line that applies a second potential, a coil including a first terminal and a second second terminal that is connected to a control terminal of a switching element, a charging switch connected between the first potential line and the first terminal of the coil, a clamp switch provided between the first potential line and the second terminal of the coil, a reverse-flow blocking diode connected in series with the clamp switch between the first potential line and the second terminal of the coil, and a control circuit that controls the charging switch and the clamp switch.

Abstract: Disclosed is a urine specimen analyzing method which improves the detection of casts in a urine specimen by flowing a measurement sample containing a urine specimen through a flow cell, irradiating light on the measurement sample flowing through the flow cell, generating a signal waveform indicating a temporal change of intensity of light given off by the measurement sample, and detecting casts distinguishably from mucus threads contained in the urine specimen, based on information related to respective slope at both end sides of the signal waveform corresponding to each formed element contained in the urine specimen.

Abstract: A drive device according to one aspect of the disclosure includes a control terminal connector, a switch circuit, a current limit circuit, and a clamp switch on a circuit board. The clamp switch is located in a second quadrant or a fourth quadrant of four quadrants, where the four quadrants are partitioned by two mutually orthogonal virtual lines with the current limit circuit set as an origin and the four quadrants consist of a first quadrant including an area where the control terminal connector is located, the second quadrant, a third quadrant, and the fourth quadrant, in clockwise order.

Abstract: A driving apparatus of the present disclosure includes a coil including a second terminal connected to a control terminal of a switching element, a charging switch connected between a first potential line and a first terminal of the coil, a clamp switch connected between the first potential line and the control terminal of the switching element, a charging diode connected between a second potential line and the first terminal of the coil, and a control circuit that outputs a charging control signal for turning on the charging switch and for turning off the charging switch before a potential of the control terminal of the switching element reaches the first potential and a clamp control signal for turning on the clamp switch after the charging switch is turned on.

Abstract: A driving apparatus includes a first potential line that applies a first potential, a second potential line that applies a second potential, a coil including a first terminal and a second second terminal that is connected to a control terminal of a switching element, a charging switch connected between the first potential line and the first terminal of the coil, a clamp switch provided between the first potential line and the second terminal of the coil, a reverse-flow blocking diode connected in series with the clamp switch between the first potential line and the second terminal of the coil, and a control circuit that controls the charging switch and the clamp switch.