Abstract: An optical device includes: an optical module provided with an electrical pin; a printed wiring board that is connected to the electrical pin of the optical module, on which a control circuit for controlling the optical module is mounted, and on which an opening is formed; a first plate-shaped member to which the printed wiring board is fixed; a first fixing member that is inserted into the opening of the printed wiring board, and that fixes the printed wiring board with the first plate-shaped member; a second plate-shaped member that is disposed such that the printed wiring board is interposed between the second plate-shaped member and the first plate-shaped member; and a second fixing member that fixes the first fixing member with the second plate-shaped member such that the optical module is retained between the first plate-shaped member and the second plate-shaped member.

Abstract: A converter includes: a terminal that receives code-modulated power that has been generated with a modulation code; and a circuit that intermittently converts the code-modulated power with a conversion code based on the modulation code. The code-modulated power is alternating-current power.

Abstract: To prevent the resin from oozing out during the lens molding due to the capillary action. A laminated lens structure according to the present disclosure includes: a plurality of lens structures including a substrate provided with an opening part, a lens inserted into the opening part to be fixed to the substrate, and a recessed part provided at an area in which a lateral face of the opening part and a surface of the substrate are intersected, and recessed more than the surface of the substrate. The lenses are arrayed in an optical axis direction by the substrates being joined. This configuration makes it possible to prevent the resin from oozing out during the lens molding due to the capillary action.

Abstract: A switching circuit apparatus includes: a first capacitance provided between a first port terminal and a the first terminal of a switching circuit unit, a second capacitance provided between the first terminal and a conductor part, and a first inductance provided between a second port terminal and a second terminal of the switching circuit unit. The switching circuit apparatus is provided with: a first capacitor connected between the first port terminal and the second port terminal, and a second inductor connected between the second terminal and the conductor part. The second inductor has such an inductance that a ratio of the inductance of the second inductor to the first inductance is equal to a ratio of the first capacitance to the second capacitance.

Abstract: A foreign-object detecting device includes a first coil, a second coil arranged adjacent to the first coil and having the same winding direction as that of the first coil, and foreign-object detecting circuitry. The foreign-object detecting circuitry outputs a first detection signal to an outside or inside terminal of the first coil, outputs a second detection signal having an inverted phase to an outside or inside terminal of the second coil, causes one of the first and second detection signal to flow clockwise, causes the other detection signal to flow counterclockwise to generate a combined magnetic field across a center of the first and a center of the second coil, measures an amount of change in an impedance value of the first or second coils, and determines that a foreign object is present within the combined magnetic field, based on the amount of change.

Abstract: A power transmission apparatus includes the following elements. A position detection coil detects a signal from a power reception coil of a power reception apparatus installed on an installation surface. A position detection circuit determines from the detected signal that the power reception apparatus is installed on the installation surface. A reception circuit receives a wireless signal transmitted from the power reception apparatus via the position detection coil. A switch circuit switches electrical connection of the position detection coil between the position detection circuit and the reception circuit. A power transmission control circuit switches electrical connection of the position detection coil from the position detection circuit to the reception circuit if it is determined that a voltage or a current of the detected signal has been smaller than a reference value for a predetermined period, and causes the reception circuit to receive the wireless signal via the position detection coil.

Abstract: A method of controlling a wavelength of a wavelength tunable laser module includes: referring to data of measured frequencies and wavelength filter control values at two or more points for each basic frequency channel, the data being stored in a memory of a controller; selecting the basic frequency channel closest to a frequency of laser light that a laser light source is instructed to emit; calculating a first wavelength filter control value for providing the instructed frequency of laser light from the data of the measured frequencies allocated to the basic frequency channel closest to the instructed frequency and the wavelength filter control values; and controlling the transmission characteristic of a wavelength filter using the first wavelength filter control value.

Abstract: A cleaning composition having good foamability and being capable of producing fine and stable foams with resilient texture, more specifically, a cleaning composition including a surfactant, methyl cellulose, hydroxypropyl methyl cellulose, and a solvent.

Abstract: The present invention provides a composition for a CO2 gas separation membrane containing: at least one compound selected from the group consisting of an alkali metal carbonate, an alkali metal bicarbonate, and an alkali metal hydroxide; a crosslinked polymer in which a polymer having a carboxyl group has been crosslinked; and a non-crosslinked polymer obtained by polymerization of one or more monomers selected from the group consisting of vinyl acetate, acrylic acid, methacrylic acid, and a derivative thereof.

Abstract: Provided is a solid-state image pickup element including: a sensor unit configured to generate an electrical signal in response to incident light; a color filter covering the sensor unit; and a lens configured to concentrate the incident light into the sensor unit via the color filter and formed by a laminated film made of a predetermined lens material. The lens is formed on the color filter without providing a planarization layer for removing a difference in level in the color filter.

Abstract: A foreign object detector detects a metallic foreign object between a first resonator and a second resonator which is composed of a parallel resonant circuit including a coil and a capacitor. The foreign object detector includes the first resonator; an oscillator circuit capable of oscillating at a first frequency (f1) which is lower than a resonant frequency (fr) of the second resonator and at a second frequency (f2) which is higher than the resonant frequency (fr); and a measurement circuit to measure changes in input impedance of the first resonator. The measurement circuit detects a metallic foreign object between the first resonator and the second resonator based on: changes in input impedance of the first resonator as measured by the measurement circuit while the oscillator circuit is oscillating at the first frequency f1; and changes in input impedance of the first resonator as measured by the measurement circuit while the oscillator circuit is oscillating at the second frequency f2.

Abstract: A contactless connector apparatus is provided with a first coil closely opposed to a second coil so as to be electromagnetically coupled thereto. The first coil includes: an inner transmitter coil wound around an axis passing through its center; and an outer transmitter coil wound around the axis and outside the inner coil. One end of the outer transmitter coil is connected to one end of the inner transmitter coil such that, when a current flows through the transmitter coils, a direction of a loop current generated around the axis by a current flowing through the inner transmitter coil is opposite to that of a loop current generated around the axis by a current flowing through the outer transmitter coil. A self-inductance of the outer transmitter coil is larger than that of the inner transmitter coil.

Abstract: A light emitting device includes a light emitting element adapted to emit blue light, quantum dots that absorb part of the blue light emitted from the light emitting element to emit green light, and at least one of a KSF phosphor adapted to absorb part of the blue light emitted from the light emitting element to emit red light and a MGF phosphor adapted to absorb part of the blue light emitted from the light emitting element to emit red light.

Abstract: A power transmitting device determines transmitting power P(t1) at a beginning of a first unit time, and transmitting power P(t2) at an end of the first unit time, stores a control parameter Q(t3) that determines a voltage of the transmitting power at a beginning of a second unit time, and a control parameter Q(t4) that determines a voltage of the transmitting power at an end of the second unit time, determines a power difference ?P=P(t2)?P(t1) and a difference ?Q=Q(t4)?Q(t3) in the control parameter Q, and, if the ?P is equal to or larger than a first threshold and an absolute value of the ?Q is equal to or larger than a second threshold, determines that there is a foreign object between a receiver resonator and a transmitter resonator and decreases the transmitting power output from an inverter circuit.

Abstract: The present technology relates to techniques of preventing intrusion of moisture into a chip. Various illustrative embodiments include image sensors that include: a substrate; a plurality of layers stacked on the substrate; the plurality of layers including a photodiode layer having a plurality of photodiodes formed on a surface of the photodiode layer; the plurality of layers including at least one layer having a groove formed such that a portion of the at least one layer is excavated; and a transparent resin layer formed above the photodiode layer and formed in the groove. The present technology can be applied to, for example, an image sensor.

Abstract: A viscosity modifier for lubricating oils according to the present invention contains a resin (?), wherein the resin (?) satisfies specific requirements, and contains a grafted olefin polymer [R1] which is composed of a main chain and a side chain(s) and which satisfies the following requirements (i) and (ii). (i) The main chain is composed of a copolymer of ethylene and at least one ?-olefin selected from ?-olefins having from 3 to 12 carbon atoms, and contains the structural units derived from ethylene within the range of from 74 to 86 mol %. (ii) The side chain(s) is/are composed of a copolymer of ethylene and at least one ?-olefin selected from ?-olefins having from 3 to 12 carbon atoms, and contain(s) the structural units derived from ethylene within the range of from 30 to 65 mol %.

Abstract: A converter includes: a terminal that receives code-modulated power into which first alternating-current power has been code-modulated with a modulation code; and a circuit that converts the code-modulated power with a conversion code to generate second alternating-current power. The conversion code is based on the modulation code. A frequency of the second alternating-current power is higher than a frequency of the first alternating-current power.

Abstract: Thermophysical property measurement apparatus and method that can obtain accurate absolute thermoelectric power and thermal conductivity are provided easily and conveniently. A thermophysical property measurement apparatus 50 is provided which includes a DC-AC voltage generator 100 which selectively applies AC or DC voltages of different polarities to a metal sample 4 to which temperature gradient is provided by connecting the metal sample 4 between metal blocks of temperatures T1 and T2; a thermocouple 5 which measures a temperature change at the center of the metal sample 4 when the AC voltage is applied thereto by the DC-AC voltage generator 100 and a temperature change at the center of the metal sample 4 when the DC voltages of the different polarities are applied; and an operation device 54 which calculates absolute thermoelectric power and thermal conductivity of the metal sample 4 using the two temperature changes measured by the thermocouple 5.

Abstract: An image display module includes a light emitting device including a nitride semiconductor light-emitting element, as a light source, having an emission peak wavelength in a wavelength range of 240 nm to 560 nm, an Mn4+-activated red fluorescent material having a maximum excitation wavelength in the wavelength range, an emission peak wavelength of 610 nm to 670 nm, and a half bandwidth of the emission spectrum of 30 nm or less, and a green fluorescent material having an emission peak wavelength in a wavelength range of 510 nm to 550 nm; and a color filter having a blue pixel wherein the difference between the maximum and the minimum value of transmittance at a wavelength range of 420 nm to 460 nm of the spectral transmittance curve is 4% or less.

Abstract: Provided are a viscosity modifier for lubricating oils for obtaining an additive composition for lubricating oils having excellent fluidity in a wide temperature range from low temperature to high temperature; and said additive composition for lubricating oils. Further provided are a viscosity modifier for lubricating oils for obtaining a lubricating oil composition capable of reducing viscosity in good balance in a wide temperature range from low temperature to high temperature; and said lubricating oil composition. The viscosity modifier for lubricating oils includes an ethylene ?-olefin copolymer (A) which includes 30 to 50 mole % of structural units derived from at least one ?-olefin selected from ?-olefins having 4 and 5 carbon atoms and 50 to 70 mole % of structural units derived from ethylene (with the proviso that the total of all structural units of said copolymer is 100 mole %) and which satisfies specific requirements (a), (b), and (c).