Abstract: A stator includes a magnetic plate material that has a main plate surface that is a surface to face a main plate of a movement when assembled to the main plate and that has a rotor accommodating hole formed in a part thereof; and a non-magnetic region that is made non-magnetic by applying chromium on the main plate surface around the rotor accommodating hole and irradiating the chromium with a laser from the main plate surface side.

Abstract: A robot system (1) includes the robot (10), a motion sensor (11), a surrounding environment sensor (12, 13), an operation apparatus (21), a learning control section (41), and a relay apparatus (30). The robot (10) performs work based on an operation command. The operation apparatus (21) detects and outputs an operator-operating force applied by the operator. The learning control section (41) outputs a calculation operating force. The relay apparatus (30) outputs the operation command based on the operator-operating force and the calculation operating force. The learning control section (41) estimates and outputs the calculation operating force by using a model constructed by performing the machine learning of the operator-operating force, the surrounding environment data, the operation data, and the operation command based on the operation data and the surrounding environment data outputted by the sensors (11 to 13), and the operation command outputted by the relay apparatus (30).

Abstract: A power conversion apparatus includes: DC input terminals for inputting a DC voltage; AC output terminals for outputting an AC voltage; a switching element; a first resonant capacitance connected across the switching element; a first LC resonance circuit that has an inductance and a capacitance connected in series and is connected together with the switching element between the AC output terminals; and a second LC resonance circuit connected in series together with the switching element between the DC input terminals. The second LC resonance circuit includes a first connector portion connected to one DC input terminal and a second connector portion connected to the switching element, and has a first current path, which includes an inductance, and a second current path, which includes a series circuit with an inductance and a capacitance, formed between the first connector portion and the second connector portion.

Abstract: A medical clip includes: a pair of knob sections constituted by a first knob and a second knob, the first knob and the second knob being formed so as to be separated from each other, the first knob being disposed parallel to a first portion having a flat plate shape, the second knob being disposed parallel to a second portion having a flat plate shape; a connecting section that connects the first portion and the second portion via a first bent section and a second bent section, wherein the first knob is connected to the first portion via a third bent section and the second knob is connected to the second portion via a fourth bent section; and an elastic member installed between the front end portion of the first knob and the front end portion of the second knob and elastically deformable.

Abstract: A power conversion apparatus includes: DC input terminals for inputting a DC voltage; AC output terminals for outputting an AC voltage; a switching element; a first resonant capacitance connected across the switching element; a first LC resonance circuit that has an inductance and a capacitance connected in series and is connected together with the switching element between the AC output terminals; and a second LC resonance circuit connected in series together with the switching element between the DC input terminals. The second LC resonance circuit includes a first connector portion connected to one DC input terminal and a second connector portion connected to the switching element, and has a first current path, which includes an inductance, and a second current path, which includes a series circuit with an inductance and a capacitance, formed between the first connector portion and the second connector portion.

Abstract: A producing method of a high-purity pyrophosphate comprising a calcination of the orthophosphate under the condition of 120° C.-350° C.; and a producing method suitable for manufacturing effectively the high-purity melamine pyrophosphate.

Abstract: A producing method of a high-purity pyrophosphate comprising a calcination of the orthophosphate under the condition of 120° C.-350° C.; and a producing method suitable for manufacturing effectively the high-purity melamine pyrophosphate.

Abstract: Method and apparatus for bidirectionally oscillating a spot of a laser beam incident upon a workpiece to be processed with the laser beam, wherein the laser beam generated by a laser source is reflected by a movable reflecting mirror which is bidirectionally pivoted about a first axis by an oscillating actuator, so that the reflected laser beam is incident upon the workpiece. The apparatus includes a rotary support member which supports the mirror and the oscillating actuator and which is rotatable about a second axis perpendicular to the first axis, and a rotating actuator for rotating the rotary support member about the second axis during bidirectional oscillation of the spot of the laser beam incident upon the workpiece, to thereby change an oscillating direction of the beam spot.

Abstract: A hysteresis circuit according to the invention has a thyristor circuit 101 which outputs a low voltage in an on-stage thereof, and outputs a high voltage in an off-state thereof. When an input voltage exceeds the threshold voltage of a first switching circuit 102, the circuit 102 turns on the thyristor circuit. On the other hand, when the input voltage exceeds the threshold voltage of a second switching circuit 103, the circuit 103 turns off the thyristor circuit.

Abstract: A temperature detection circuit includes first and second current sources and a comparing circuit. A first current source generates a current having a positive temperature coefficient and flowing in a band gap type voltage source. A second current source generates a current having a zero or negative temperature coefficient. The comparing circuit compares the amounts of currents flowing in the first and second current sources to detect the relation between the magnitudes of the compared currents.

Abstract: A load driving circuit includes a pair of push-pull circuits formed of bipolar transistors. A load is connected between the output terminals of the push-pull circuits and the polarity of a current flowing in the load can be changed to drive the load. The pair of push-pull circuits are controlled by means of an output transistor driving circuit. The output transistor driving circuit includes first and second driving transistors for driving output transistors constituting the push-pull circuits and first and second control transistors for preventing the flow of a through current. The emitter and collector of the first control transistor are respectively connected to the emitter and base of the first driving transistor or the emitter and base of the output transistor arranged on the power source side and constituting one push-pull circuit.

Abstract: An amplifying device comprises a differential amplifier stage, which includes a first transistor supplied with an input signal and a second transistor supplied with an output signal as a negative feedback signal, and a third transistor for detecting cutoff of a power supply voltage to be supplied to the differential amplifier stage. The third transistor controls a fourth transistor which sets the potential at the base of the first transistor at the ground level. The base of the first transistor is connected to the base of a fifth transistor, which controls a sixth transistor connected between the ground and the base of the second transistor so that in a power-off state, the fourth and sixth transistors render the potentials at the bases of the first and second transistors to be the ground level.