Abstract: Provided is a scintillator panel with reduced deterioration in brightness due to irradiation and higher brightness. A scintillator panel including a substrate and a scintillator layer containing phosphors, in which the scintillator layer includes a binder resin having a ?-conjugated structure composed of seven or more atoms; in which the glass transition temperature of the binder resin is from 30 to 430° C.; and the thickness of the scintillator layer is from 50 to 800 ?m.

Abstract: A video analysis device includes a camera control unit, an image analysis unit, a tracking determination unit, and an analysis camera selection unit. The tracking determination unit is configured to calculate or acquire, from analyzed information, a moving speed of a tracked person to be tracked. The analysis camera selection unit is configured to set a camera search range based on the moving speed, and select a camera present in the camera search range as an analysis target camera for next video analysis. In addition, the camera control unit is configured to transmit, to the image analysis unit, a video of only the analysis target camera selected by the analysis camera selection unit.

Abstract: In the printed circuit board 100 in the power supply device, cover layers C1 and C2 are formed on a surface other than the connection areas 95A? and 95B? within a coil pattern EC, which corresponds to a surface-shaped exposure area exposed to the outside so that the size of the surface-shaped exposure area to which the conductive pattern E is exposed is adjusted, so that an effect, which restrains a conductor from being damaged, especially at a time of carrying the printed circuit board 100 while maintaining a heat radiating property of the conductor, is achieved.

Abstract: In the printed circuit board 100 in the power supply device, cover layers C1 and C2 are formed on a surface other than the connection areas 95A? and 95B? within a coil pattern EC, which corresponds to a surface-shaped exposure area exposed to the outside so that the size of the surface-shaped exposure area to which the conductive pattern E is exposed is adjusted, so that an effect, which restrains a conductor from being damaged, especially at a time of carrying the printed circuit board 100 while maintaining a heat radiating property of the conductor, is achieved.

Abstract: There is provided a varnish of a low dielectric loss tangent resin composition which is low in viscosity and excellent in storage stability. The varnish of a low dielectric loss tangent resin composition contains a thermosetting monomer (A) having a weight average molecular weight of not more than 1,000, a high polymer (B) having a weight average molecular weight of not less than 5,000, a halogen flame-retardant agent (C), a silicon dioxide filler (D), and an organic solvent (E). The average particle diameter of each the components (C) and (D) is in the range of 0.2 to 3 ?m.

Abstract: The present invention provides a switching power supply unit capable of suppressing a surge voltage generated in a rectifier element more effectively. A first resonance circuit is constructed by capacitors in a surge voltage suppressing circuit and an inductor, and resonance time of the first resonance circuit is set to be longer than recovery time of a diode in a rectifier circuit. According to at least one of a DC input voltage and an output current, either a first bridge circuit or a second bridge circuit is selectively allowed to perform switching operation. At the time of forward-direction operation, the first resonance circuit is formed by the capacitors in the surge voltage circuit and the inductor on the high voltage side. At the time of reverse-direction operation, a second resonance circuit is formed by the capacitors and an inductor on the low voltage side.

Abstract: There is provided a varnish of a low dielectric loss tangent resin composition which is low in viscosity and excellent in storage stability. The varnish of a low dielectric loss tangent resin composition contains a thermosetting monomer (A) having a weight average molecular weight of not more than 1,000, a high polymer (B) having a weight average molecular weight of not less than 5,000, a halogen flame-retardant agent (C), a silicon dioxide filler (D), and an organic solvent (E). The average particle diameter of each the components (C) and (D) is in the range of 0.2 to 3 ?m.

Abstract: The present invention provides a switching power supply unit capable of suppressing a surge voltage generated in a rectifier element more effectively. A first resonance circuit is constructed by capacitors in a surge voltage suppressing circuit and an inductor, and resonance time of the first resonance circuit is set to be longer than recovery time of a diode in a rectifier circuit. According to at least one of a DC input voltage and an output current, either a first bridge circuit or a second bridge circuit is selectively allowed to perform switching operation. At the time of forward-direction operation, the first resonance circuit is formed by the capacitors in the surge voltage circuit and the inductor on the high voltage side. At the time of reverse-direction operation, a second resonance circuit is formed by the capacitors and an inductor on the low voltage side.

Abstract: A broach has a main body of a cemented carbide material. On this main body, a front grip portion, a cylindrical portion following the front grip portion and provided with a plurality of guide parts in its outer periphery, a broach cutting edge portion following an end of the cylindrical portion and having a number of cutting edges, and a cylindrical extension following the broach cutting edge portion and having a maximum outer periphery dimension to such an extent that the extension does not interfere with a work are integrally provided. On an end surface of the cylindrical extension, a load receiving shoulder is formed, which leads to a rear grip portion including a small-diameter part and is orthogonal to or inclined with respect to a broach axis. The load receiving shoulder has a sufficient area to bear a cutting load. A broaching machine grips the rear grip portion with its load receiving surface abutting against the load receiving shoulder of the cemented carbide broach.

Abstract: A broach tool for finishing a hollow hole has a number of cutting edges arranged in order of dimensions in a longitudinal direction. The cutting edges in at least a finishing portion are formed of cemented carbide. A cutting depth of each edge in a cutting direction is 5 &mgr;m to 15 &mgr;m for slots such as a spline hole and a ball groove, or 3 &mgr;m to less than 9 &mgr;m for a round broach hole. A work has the hollow hole pre-worked leaving a finish cutting allowance, and has hardness of 45 to 65 HRC (Rockwell hardness C scale) after subjected to a thermal treatment. A hollow hole cut surface is finished into the finished dimension with use of the broach tool. The broach tool has little chipping on cutting edge tips and is hardly abnormally worn and has a long life.

Abstract: A tooth rolling flat die and a method for forming a tooth are provided. The die has the same service life as those of the conventional tooth rolling flat dies using oil coolant even if conducted by semi-dry forming. A first substantially quarter length portion of the leading teeth section of the die has a first surface roughness Rz of maximum height ranging from 20 to 35 &mgr;m, and a second substantially quarter length portion of the leading teeth section of the die has a second surface roughness Rz of maximum height ranging from 5 to 20 &mgr;m. The die is adapted for semi-dry forming the tooth.

Abstract: A switching power supply unit capable of adjusting the inductance value of a resonance circuit and outputting a rated output voltage regardless of any fluctuation in an input voltage and a load. The switching power supply unit comprises first to fourth switching elements 11-14 connected with each other in a bridge connection. A diode 21-24 having a reverse polarity and a capacitor 31-34 are disposed between main electrodes of each of the switching elements. A first winding 53 of a transformer 51 is connected between first and second connection points 91, 92. An inductor 41 is inserted into a path ranging from the first connection point 91 through the first winding 53 to the second connection point 92, and forms a resonance circuit in conjunction with the capacitors 31-34.

Abstract: A switching power supply comprises a transformer 3, a switching circuit 1, an output rectifier circuit, an output smoothing circuit, and a snubber circuit. A snubber capacitor 17 has one terminal connected to the one terminal of a snubber diode 19. The other end of the snubber capacitor is led to an output winding 4 of the transformer, while the other terminal of the snubber diode is led to the other of the electrode of an output rectifier diode 7. A snubber inductor 23 has one end connected to the connecting point of the snubber capacitor and the snubber diode, and the other end is. connected to the input side of the output smoothing circuit. The polarity of the diode is arranged to establish a charging loop circulating through the snubber diode, the snubber capacitor and the output winding of the transformer, so as to provide a reduced loss, in a cycle in which the voltage appearing at the output winding of the transformer is the reverse direction to the output rectifier diode.

Abstract: A switching power supply comprises a transformer 3, a switching circuit 1, an output rectifier circuit, an output smoothing circuit, and a snubber circuit. A snubber capacitor 17 has one terminal connected to the one terminal of a snubber diode 19. The other end of the snubber capacitor is led to an output winding 4 of the transformer, while the other terminal of the snubber diode is led to the other of the electrode of an output rectifier diode 7. A snubber inductor 23 has one end connected to the connecting point of the snubber capacitor and the snubber diode, and the other end is. connected to the input side of the output smoothing circuit. The polarity of the diode is arranged to establish a charging loop circulating through the snubber diode, the snubber capacitor and the output winding of the transformer, so as to provide a reduced loss, in a cycle in which the voltage appearing at the output winding of the transformer is the reverse direction to the output rectifier diode.

Abstract: The present invention provides a switching power supply unit capable of adjusting the inductance value of a resonance circuit and outputting a rated output voltage regardless of any fluctuation in an input voltage and a load. The switching power supply unit comprises first to fourth switching elements 11-14 connected with each other in a bridge connection. A diode 21-24 having a reverse polarity and a capacitor 31-34 are disposed between main electrodes of each of the switching elements. A first winding 53 of a transformer 51 is connected between first and second connection points 91, 92. An inductor 41 is inserted into a path ranging from the first connection point 91 through the first winding 53 to the second connection point 92, and forms a resonance circuit in conjunction with the capacitors 31-34.

Abstract: A tooth rolling flat die and a method for forming a tooth are provided. The die has the same service life as those of the conventional tooth rolling flat dies using oil coolant even if conducted by semi-dry forming. Wherein the die comprises the surface roughness Rz of the first substantially quarter length portion of the leading teeth section wherein heights of the tops of the teeth are gradually increasing, ranging 20 to 35 &mgr;m, and that Rz of the second substantially quarter length portion of the leading teeth section, ranging 5 to 20 &mgr;m. The die is adapted for semi-dry forming the tooth.

Abstract: A switching power source device in which recovery current can be decreased. The power source device includes a magnetic element connected one of terminals of a power source section, a switch having one end connected with the magnetic element and the other end connected with the other terminal of the power source section, a smoothing capacitor connected between the magnetic element and the other terminal of the power source section, and a diode connected between the magnetic element and the smoothing capacitor with forward direction directed to pass current from the power source section through the magnetic element to the smoothing capacitor.