Abstract: Disclosed herein is a lighting fixture in which a threadless fit is achieved between a lens cover and a housing. The lighting fixture comprises a housing, a circuit board and a lens cover. The housing and the lens cover are arranged on opposite sides of the circuit board. The housing comprises a first slot. The lens cover comprises a first tab configured to fit into the first slot by a threadless fit, thereby securing the lens cover to the housing. Compared with lighting fixtures in the prior art, the lighting fixture of the present disclosure can save process steps, simplify manufacturing process, reduce manufacturing cost, and improve heat dissipation and light distribution efficiency.

Abstract: The present invention relates to a soft magnetic alloy containing: Ni, and at least one element selected from the group consisting of Al, Si and V, with the balance being Fe and inevitable impurities, in which, when the content of Ni and the total content of Al, Si and V are expressed by [Ni] and [M], respectively in mass %, and a relationship between [Ni] and [M] is plotted, the coordinate ([Ni], [M]) is present in a region surrounded by the straight lines A, B, C, D, and E.

Abstract: An electromagnetic valve used in a fuel system, in which at least a portion of a member constituting an magnetic circuit in an electromagnetic drive unit includes 0.15-0.45 mass % (inclusive) Ni, 0.65-1.0 mass % (inclusive) Al, 9.2-10.3 mass % (inclusive) Cr, and 0.90-1.6 mass % (inclusive) Mo, and the remainder comprises an alloy material comprising Fe and unavoidable impurities. The alloy material may further include 0.05-0.15 mass % (inclusive) Pb.

Abstract: According to the present invention, there is provided an electromagnetic valve used in a fuel system, in which at least a portion of a member constituting an magnetic circuit in an electromagnetic drive unit includes 0.15-0.45 mass % (inclusive) Ni, 0.65-1.0 mass % (inclusive) Al, 9.2-10.3 mass % (inclusive) Cr, and 0.90-1.6 mass % (inclusive) Mo, and the remainder comprises an alloy material comprising Fe and unavoidable impurities. The alloy material may further include 0.05-0.15 mass % (inclusive) Pb.

Abstract: The present invention relates to a soft magnetic alloy containing: Ni, and at least one element selected from the group consisting of Al, Si and V, with the balance being Fe and inevitable impurities, in which, when the content of Ni and the total content of Al, Si and V are expressed by [Ni] and [M], respectively in mass %, and a relationship between [Ni] and [M] is plotted, the coordinate ([Ni], [M]) is present in a region surrounded by the straight lines A, B, C, D, and E.

Abstract: A distortion compensating apparatus includes: a memory; and a processor coupled to the memory and configured to: calculate a transient response of a power source circuit, in accordance with an estimated value of a current to be consumed by an amplifier based on a signal to be amplified by the amplifier, and in accordance with an objective supply voltage, based on the signal, of a voltage to be supplied to the amplifier from the power source circuit, and correct the signal to be input to the amplifier based on a difference caused by the transient response from the objective supply voltage.

Abstract: An amplification device includes: an amplitude adjustment circuit configured to adjust an amplitude level of an input signal so as to keep the amplitude level within a given range; an amplifier configured to amplify the adjusted signal; and a circuitry configured to change an amplitude level of the amplified signal, based on the amplitude level of the input signal and a first distortion compensation corresponding to the amplitude level of the input signal.

Abstract: A control device of a power amplifier includes: a limiter configured to limit a level of an input signal to the power amplifier; and a control unit configured to, when the limiter operates, make an operation voltage of the power amplifier invariable and control load of an output matching circuit of the power amplifier based on an amplitude of the input signal, and, when the limiter does not operate, to make the load of the output matching circuit invariable and control the operation voltage of the power amplifier.

Abstract: A constant-modulus alloy, which has a low saturation magnetic flux density to provide weakly magnetic properties, a high Young's modulus, a low temperature coefficient of Young's modulus, and high hardness, is provided. A hairspring, a mechanical driving apparatus and a watch and clock, in which the alloy is used, are provided. The alloy consists of Co, Ni, Cr, Mo. and Fe. The alloy is healed and cooled before being subjected to repeated wiredrawing and intermediate annealing, forming a wire with a fiber structure having a <111> fiber axis. The wire is then cold rolled into a sheet and heated to obtain optimal magnetic insensitivity and hardness.

Abstract: A power amplification device, includes: an amplifier to amplify an input signal; a switched capacitor, provided at an output stage of the amplifier, to change capacitance based on a first control signal; a matching unit, provided at the output stage of the amplifier and including a varactor pair in which two varactor diodes are coupled in series or a varactor pair in which two varactor diodes are coupled in parallel, to change capacitance based on a second control signal; a detection circuit to detect power of the input signal; a quantization circuit to quantize a detected power value, form a quantized bit string having a high-order bit group and a low-order bit group, and output the high-order bit group as the first control signal to the switched capacitor; and a conversion circuit to convert the low-order bit group into an analog value and form the second control signal.

Abstract: A communication device is used by a mobile station to perform wireless communication with another mobile station. The communication device includes a processor configured to set a transmission resource according to a present position of the mobile station, the transmission resource being set based on transmission resource association information including different transmission resources assigned to plural assignment areas provided at different positions along a road through which the mobile station passes; and a transmitter configured to transmit data with the use of the transmission resource that has been set.

Abstract: An antenna device includes: a substrate; a radiating electrode formed on the substrate, a ground electrode formed on the substrate and disposed opposite the radiating electrode, a feed line as a distributed constant transmission line connected via a feed point to the radiating electrode, at least one impedance matching element for impedance-matching the radiating electrode at a prescribed signal frequency by being connected in parallel with the radiating electrode to the feed line at a position a prescribed distance away from the feed point, and a switch, interposed between the at least one impedance matching element and the feed line, for connecting or disconnecting the at least one impedance matching element to or from the feed line in accordance with a prescribed control signal.

Abstract: A mobile communications terminal is disclosed that includes a determination part configured to determine whether to perform relay control based on a signal received from at least one of a radio base station, a stationary relay station, and another mobile communications terminal performing relay control and a control part configured to control the mobile communications terminal so that the mobile communications terminal performs an operation as a relay station in response to the determination part determining to perform the relay control.

Abstract: A communication device is used by a mobile station to perform wireless communication with another mobile station. The communication device includes a processor configured to set a transmission resource according to a present position of the mobile station, the transmission resource being set based on transmission resource association information including different transmission resources assigned to plural assignment areas provided at different positions along a road through which the mobile station passes; and a transmitter configured to transmit data with the use of the transmission resource that has been set.

Abstract: A Doherty amplifier is provided with a clipping circuit for making signal power flow to ground if the signal power becomes equal to or higher than a predetermine value in order to prevent a carrier amplifier, which is a small amplifier, from being destroyed if the signal power is increased to a sevenfold to tenfold multiple of a ratio of the size of the carrier amplifier to that of a peak amplifier.

Abstract: [Task] A constant-modulus alloy, which has a low saturation magnetic flux density to provide weakly magnetic properties, a high Young's modulus, a low temperature coefficient of Young's modulus, and high hardness, is provided. A hairspring, a mechanical driving apparatus and a watch and clock, in which the alloy is used, are provided. [Means for Solution] The alloy consists essentially of, by atomic weight ratio, 20 to 40% Co and 7 to 22% Ni, with the total of Co and Ni being 42.0 to 49.5%, 5 to 13% Cr and 1 to 6% Mo, with the total of Cr and Mo being 13.5 to 16.0%, and with the balance being essentially Fe (with the proviso that Fe is present in an amount of 37% or more) and inevitable impurities. The alloy is heated to a temperature of 1100 degrees C. or higher and lower than the melting point, followed by cooling. The alloy is subsequently subjected to repeated wiredrawing and intermediate annealing at 800 to 950 degrees C., thereby forming a wire at a working ratio of 90% or more.

Abstract: A sheet peeling apparatus 10 includes: a supporting means 11 for supporting a semiconductor wafer W stuck with an adhesive sheet S; a tape sticking means 14 for sticking a peeling tape T to the adhesive sheet S; a pulling means 13 for pulling the peeling tape T; a peeling assisting means 15 including an endless member 45 which is positioned on the adhesive sheet S, and wound on a guide member 41; and a sandwiching means 16 for sandwiching the adhesive sheet S between the endless member 45 and the sandwiching means 16. In the sheet peeling apparatus 10, the adhesive sheet S is peeled off due to the relative movement of the pulling means 13 and the supporting means 11 in a state that the adhesive sheet S is sandwiched between the peeling assisting means 15 and the sandwiching means 16.

Abstract: A sheet peeling apparatus 10 includes: a holding means 11 for holding a wafer W on which an adhesive sheet S is stuck; a sticking means 16 for sticking a peeling tape PT on the adhesion sheet S; and a peeling means 15 for peeling off the adhesive sheet S from the wafer W through the peeling tape PT. The peeling means 15 has first and second rollers 31, 32 between which the peeling tape PT and the adhesive sheet S may be pinched. The first roller 31 is provided such that a peeled section of the adhesive sheet S and an unpeeled section of the adhesive sheet S are bendable so as to be opposed to each other. The first roller 31 is displaced in a direction toward and away from the wafer W through a displacing means 30, and provided such that the peeling angle ? between the peeling tape PT and/or the adhesive sheet S and the wafer W may be adjusted.

Abstract: A DC/DC converter capable of controlling an output signal using a broadband signal input is provided. By employing the above DC/DC converter as a power supply, a highly efficient power amplifier can be configured. The above DC/DC converter includes two class-C amplifiers, a rectifier circuit connected between each output of the two class-C amplifiers, and an oscillator of a predetermined frequency signal. The predetermined frequency signal output from the oscillator is input to each of the two class-C amplifiers, and by controlling the phase difference of the predetermined frequency signal input to the two class-C amplifiers, the magnitude of a direct current voltage output from the rectifier circuit is made variable.

Abstract: An antenna device includes: a substrate; a radiating electrode formed on the substrate, a ground electrode formed on the substrate and disposed opposite the radiating electrode, a feed line as a distributed constant transmission line connected via a feed point to the radiating electrode, at least one impedance matching element for impedance-matching the radiating electrode at a prescribed signal frequency by being connected in parallel with the radiating electrode to the feed line at a position a prescribed distance away from the feed point, and a switch, interposed between the at least one impedance matching element and the feed line, for connecting or disconnecting the at least one impedance matching element to or from the feed line in accordance with a prescribed control signal.