Abstract: The number of OFDM symbols for channel estimation is reduced, overhead due to a pilot signal and a feedback signal is reduced, and the throughput is improved.

Abstract: A radioactive waste body inspection device according to an embodiment includes a surface contamination inspecting unit configured to conduct a surface contamination inspection of a radioactive waste body while acquiring concavo-convex information on the radioactive waste body, and a dose rate inspecting unit configured to conduct a dose rate inspection of the radioactive waste body in consideration of the concavo-convex information.

Abstract: A toner comprising toner particles which comprise a binder resin and a colorant, and also inorganic fine particles as external additives, wherein the inorganic fine particles are silica fine particles and a group 2 element titanate fine particles, the inorganic fine particles have specific particle diameters, the silica fine particles have a coverage ratio X1 on the surfaces of the toner particles, which is not less than 40.0 surface area % and not more than 75.0 surface area %, when the theoretical coverage ratio by the silica fine particles is X2, the diffusion index defined as “diffusion index=X1/X2” satisfies the condition: diffusion index??0.0042×X1+0.62, and the external additives have an embedding ratio on the toner particles, which satisfies a specific range.

Abstract: Provided is a hot upset forging method enabling high shape precision to be obtained. The hot upset forging method includes inserting a workpiece (1), with a bottom face diameter d and a height h satisfying h/d>3, into an insertion hole provided passing through a mold (2) of a height H disposed on an anvil (4), and increasing the diameter of the workpiece (1) while decreasing the height of the workpiece (1) to form a forged material. The mold satisfies the following relationships (1) to (3). (1) A shape of the insertion hole and the cross-sectional shape of the workpiece are substantially similar shapes. (2) The height h of the workpiece (1)?the height H of the mold (2). (3) A largest diameter dl of the workpiece 1, and the maximum inner diameter D of the insertion hole, in the height range of the workpiece (1), satisfy dl<D<dl×1.5.

Abstract: An image forming apparatus includes: a photosensitive drum; a transfer roller configured to form a nip portion; and a sheet guide that is configured to guide a recording sheet. The sheet guide comprises: a conductor configured to face the recording sheet, and insulating ribs that are arranged corresponding to a printing area of the recording sheet in a width direction and are configured to protrude from the conductor to guide the recording sheet. The conductor comprises: a central portion, and a pair of end portions and are configured to protrude towards the recording sheet from a virtual plane extending from the central portion in the width direction. Protrusion amounts of the end portions with respect to the central portion are smaller than a protrusion amount of each rib from the central portion of the conductor.

Abstract: A grid controller is communicably connected to controllers of a plurality of power storage units. The grid controller: obtains transmission power transmitted from the smart grid system to an external power system, the transmission power being a sum of electric power generated by power generating units, electric power consumed by loads in the smart grid system, and electric power charged into and discharged from the power storage units; calculates differential power between the transmission power and a smoothing operation output, the smoothing operation output being obtained by performing smoothing operation on the transmission power by using a smoothing filter; and performs control of smoothing the transmission power by performing allocation of the differential power of the transmission power in accordance with a charge-discharge state of each of power storage parts of the plurality of power storage units.

Abstract: A variable displacement swash plate type compressor having high controllability and capable of exhibiting high mounting performance and securing sufficient compression capacity is provided. The compressor of the present invention comprises a first cylinder block 21 and a second cylinder block 23, and an actuator 13. The actuator 13 includes a movable body 13a, a fixed body 13b, and a control pressure chamber 13c. A first cylinder bore 21a and a first storage chamber 21c are formed in the first cylinder block 21. A second cylinder bore 23a and a second storage chamber 23c are formed in the second cylinder block 23. The first cylinder bore 21a is formed to have a diameter smaller than the diameter of the second cylinder bore 23a.

Abstract: This disclosure discloses a motor control device including a main circuit, a voltage detector, and a controller. The controller includes a position controller and a speed controller, The position controller generates a speed command The speed controller generates a torque command and controls a inverter based on the torque command Further, the controller includes a torque limiter, and a speed matching instruction part. The torque limiter starts torque limiting by the torque command to a predetermined torque or less and cancels the torque limiting. The speed matching instruction part matches the speed command with a first position command speed after the cancellation of the torque limiting. The holding part calculates and holds an accumulated position deviation.

Abstract: An electro-optical device may include a first substrate, a second substrate, a photo-curable seal member between the first substrate and the second substrate, a first light-shielding layer between the first substrate and the photo-curable seal member, and a second light-shielding layer between the first substrate and the first light-shielding layer. The first substrate may include a pixel area in which pixels are aligned, and a seal region around the pixel area and in which the photo-curable seal member is provided. Within the seal region, the second light-shielding layer may be larger in an outer shape or pattern than the shape or pattern of first light-shielding layer. The pixel area may include an interconnect layer made of the same layer as the one of the light-shielding layers, and the interconnect layer may be narrower than one of the light-shielding layers.

Abstract: Provided is a III-nitride semiconductor laser diode which is capable of lasing at a low threshold. A support base has a semipolar or nonpolar primary surface. The c-axis Cx of a III-nitride is inclined relative to the primary surface. An n-type cladding region and a p-type cladding region are provided above the primary surface of the support base. A core semiconductor region is provided between the n-type cladding region and the p-type cladding region. The core semiconductor region includes a first optical guide layer, an active layer, and a second optical guide layer. The active layer is provided between the first optical guide layer and the second optical guide layer. The thickness of the core semiconductor region is not less than 0.5 ?m. This structure allows the confinement of light into the core semiconductor region without leakage of light into the support base, and therefore enables reduction in threshold current.

Abstract: A switching circuit includes: a first switching element (Q1); a resistor (11) inserted between a control electrode (G) of the first switching element (Q1) and a control circuit (13) switching the first switching element (Q1); and a first capacitor (15) and a second switching element (14) connected in series between the control electrode (G) of the first switching element (Q1) and a low potential-side electrode (S) of the first switching element (Q1). A high potential-side electrode of the second switching element (14) is connected to the control electrode (G) of the first switching element (Q1). An electrode of the first capacitor (15) is connected to the low potential-side electrode (S) of the first switching element (Q1). A control electrode of the second switching element (14) is connected to an electrode of the resistor (11) connected to the control circuit (13).

Abstract: Provided is a microphone capable of reducing a plane area seen from above, and further increasing a capacity of a back chamber of an acoustic sensor. An interposer 52 is mounted on a top surface of a circuit board 43, and an acoustic sensor 51 is mounted on the top surface thereof. A signal processing circuit 53 is accommodated in a space 70 provided in the interposer 52, and mounted on the circuit board 43. The acoustic sensor 51 is connected to the circuit board 43 through a wiring structure provided in the interposer 52. The acoustic sensor 51, the interposer 52 and the like are covered by a cover 42 put on the top surface of the circuit board 43. In the cover 42, a sound introduction hole 48 is opened in a position opposed to the front chamber of the acoustic sensor 51. The interposer 52 is formed with a ventilation notch 71 for acoustically communicating a space below a diaphragm 56 of the acoustic sensor 51 with a space inside the cover 42 and outside the interposer 52.

Abstract: In a measurement apparatus, higher-quality measurement is realized in measurement of measurement object displacement or imaging of a two-dimensional image. In a controller, a light receiving signal of a photodiode is supplied to a displacement measuring unit of a sensor head in order to measure a height of a measurement object, and the height of a surface of the measurement object is measured based on the light receiving signal. Then, in the controller, image obtaining timing is determined based on the height of the measurement object. Specifically, a focus adjustment value corresponding to the computed height of the measurement object is obtained from the table, and an image obtaining signal is transmitted to an imaging device at the timing the focus adjustment value is realized. Therefore, a length between two points on the measurement object is computed from the thus obtained image based on the height of the measurement object.

Abstract: A temperature measuring method accurately measures a sheet-like object even when the sheet-like object has an uneven temperature distribution throughout. In this method, temperature measurement is conducted in a measuring area where the sheet-like object is to be measured for its physical quantity or in the vicinity of the measuring area during determination of the physical quantity by a physical quantity measuring device. One or more temperature sensors are located at a position proximal to each sheet-like object that streams in a predetermined direction relative to the temperature sensors, and air is jetted out toward the sheet-like object for creating an air curtain that surrounds each temperature sensor so that a gauge workspace substantially confining the atmosphere therein is defined over one or both of the opposite surfaces of the sheet-like object. The temperature sensors detect the temperature in the measuring area or its vicinity within the gauge workspace.

Abstract: An object of the present invention is to provide a developing apparatus which can provide images having superior image density and less fogging. The present invention relates to a developing apparatus wherein a magnetic toner-carrying member has a work function value at the surface within a specific range, a toner regulating member which regulates toner carried on the magnetic toner-carrying member is formed by a specific material at a portion contacting the magnetic toner, and has a ratio [W/B] of the amount W of silica fine powder to the theoretical specific surface area B of the magnetic toner satisfying a specific relation.

Abstract: A motor includes a motor case, and a rotor and a stator, which are disposed in the case. The case has a tubular portion, a front cover mounted to an axial end of the portion, and a rear cover mounted to the other axial end of the portion. The rotor has a rotary shaft and the stator includes a plurality of teeth, which extend toward a central axis of the shaft and are circumferentially disposed at equal intervals. Between each circumferentially adjacent pair of the teeth, a slot extending toward the axis is formed. In each slot, a U-shaped segment is inserted in parallel with the axis. The distal ends of the segments projecting out from the slots are electrically interconnected, thereby forming an SC coil including the segments disposed circumferentially. The SC coil includes a receiving terminal, and the terminal includes leads extending in parallel to the axis.

Abstract: An iron powder for dust cores is provided which can be formed into a dust core having a high resistivity and having a low iron loss without degrading the mechanical strength. The iron powder for dust cores includes an iron powder and an oxide film on the surface thereof, wherein the oxide film is composed of a Si-based oxide in which the ratio of Si to Fe satisfies Si/Fe?0.8 on an atomic number basis.

Abstract: A wiring board comprises a base substrate that is a metal core substrate, and including an opening in which an interior component that is an electric component or an electronic component is to be mounted, and a terminal placement section on which a terminal of the interior component is to be mounted, the terminal placement section being formed around the opening of the base substrate, and inwardly recessed from a surface of the base substrate so that a part of the interior component is to be placed within the opening.

Abstract: An image forming apparatus includes: a first image bearing member (drum); a second drum; a transfer belt; a first transfer member provided correspondingly to the first drum via the transfer belt; a second transfer member provided correspondingly to the second drum via the transfer belt; a high-voltage power source; and a controller. After an image is continuously formed on transfer materials by applying, to the first transfer member, a voltage of a predetermined polarity from the power source in a state that the first transfer member contacts the transfer belt and the second transfer member is spaced from the transfer belt, the controller executes an adjusting operation in which a voltage of a polarity opposite to the predetermined polarity is applied from the power source to the first transfer member in a state that the second transfer member is spaced from the transfer belt.