Abstract: A gas meter includes a flow rate measurer that is located at a gas passage and measures a flow rate of the gas flowing through the passage, a self-diagnoser that performs self-diagnosis, and a vibration detector that detects vibration. The gas meter also includes a calculator that calculates an earthquake index value based on the detected vibration, the earthquake index value indicating the scale of an earthquake, a blocker that switches from an open state to a closed state of the passage when the earthquake index value is not less than a predetermined value, and a restoring method determiner that, when the blocker is in the closed state, determines a restoring method of restoring the blocker from the closed state to the open state based on a result of the diagnosis by the self-diagnoser and the earthquake index value.

Abstract: This polyamide resin composition includes a polyamide resin and a copper-based heat-resistant stabilizing agent. The copper content in the copper-based stabilizing agent is 0.001-0.050 parts by mass with respect to 100 parts by mass of the polyamide resin. The polyamide resin includes a dicarboxylic acid-derived component unit (a) and a diamine-derived component unit (b). The dicarboxylic acid-derived component unit (a) includes an aromatic dicarboxylic acid-derived component unit or an alicyclic dicarboxylic acid-derived component unit. The diamine-derived component unit (b) includes a diamine-derived component unit (b2) represented by formula (1) in an amount of 10 mol % or more but less than 50 mol % with respect to the total number of moles of the diamine-derived component unit (b).

Abstract: An optically pumped magnetometer includes a cell, a pump light incidence unit causing pump light to be incident on a sensitivity region inside the cell in a first direction, a probe light incidence unit causing probe light for detecting change in electron spins to be incident on the sensitivity region in a direction intersecting the first direction, a bias magnetic field coil applying a bias magnetic field in the first direction to the inside of the cell and determining a resonance frequency of the electron spins, a gradient correction coil correcting a gradient of the bias magnetic field, an electron spin tilting unit tilting a rotation axis direction of the electron spins, an optical sensor detecting the probe light having passed through the sensitivity region, and a magnetic field measuring unit measuring a magnetic field strength related to the sensitivity region based on an output of the optical sensor.

Abstract: An optically pumped magnetometer includes a cell, a pump light incidence unit causing pump light to be incident on a plurality of sensitivity regions inside the cell in a first direction, a probe light incidence unit causing probe light to be incident on the sensitivity regions in a direction intersecting the first direction, bias magnetic field coils applying a bias magnetic field to the inside of the cell and determining a resonance frequency of the electron spins, an electron spin tilting unit tilting a rotation axis direction of the electron spins in a direction perpendicular to the first direction, an optical sensor detecting the probe light; and a magnetic field measuring unit measuring magnetic field strengths related to the sensitivity regions, wherein the bias magnetic field coils respectively apply a plurality of the bias magnetic fields having strengths different from each other to the plurality of corresponding sensitivity regions.

Abstract: A brain measurement apparatus includes: a magnetoencephalograph module having a cell; a pump laser configured to emit pump light; a probe laser configured to emit probe light; an optical sensor group configured to detect a polarization plane angle of the probe light having passed through the sensitivity region; a bias magnetic field coil configured to apply a bias magnetic field; and bias magnetic field gradient correction coils configured to correct a gradient of the bias magnetic field; and an MRI module having a transmission coil for transmitting an RF pulse of a predetermined frequency and a receiver coil configured to detect a nuclear magnetic resonance signal. At least one of the coil that applies a static magnetic field and the coil that applies a gradient magnetic field is configured by the same coil as the bias magnetic field coil or the bias magnetic field gradient correction coils.

Abstract: A brain measurement apparatus includes: a magnetoencephalograph module having a cell, a pump laser configured to emit pump light, a probe laser configured to emit probe light to a sensitivity region intersecting the pump light in the cell, an optical sensor group configured to detect a polarization plane angle of the probe light having passed through the sensitivity region, and a bias magnetic field coil configured to apply a bias magnetic field; and an MRI module having a transmission coil for transmitting an RF pulse of a predetermined frequency, and a receiver coil configured to detect a nuclear magnetic resonance signal generated by transmission of the RF pulse. The magnetoencephalograph module and the MRI module are surrounded by a magnetic shield including a soft magnetic material.

Abstract: A current sensor includes a magnetic sensor configured to detect a magnetic field generated by a current to be measured flowing through a current path and a shielding member including a first shield, a second shield, and a third shield disposed away from each other. The first shield is disposed on an opposite side of the current path from the magnetic sensor in a first direction in which the magnetic sensor and the current path oppose each other and includes a first opposing surface opposing the current path. The second shield includes a second opposing surface along the first direction. The third shield includes a third opposing surface along the first direction. The second shield and the third shield are disposed such that the second opposing surface and the third opposing surface oppose each other, with the magnetic sensor and the current path sandwiched therebetween.

Abstract: An impact tool includes a motor, a control unit, an output shaft, a transmission mechanism, and an impact detection unit. The transmission mechanism includes an impact mechanism. The impact mechanism performs an impact operation according to magnitude of torque applied to the output shaft. The impact detection unit determines, based on at least one of an excitation current (current measured value) to be supplied to the motor or a torque current (current measured value) to be supplied to the motor, whether or not the impact operation is being performed. The control unit fulfills an impact response function by performing restriction processing in response to detection of the impact operation by the impact detection unit as a trigger. The restriction processing includes at least one of lowering the number of revolutions of the motor or stopping rotating the motor.

Abstract: A trigger switch which includes a trigger, a shaft member, and a housing includes a fixed engagement portion and a movable engagement portion which is operable that are engaged with each other to inhibit a movement of the trigger. The trigger includes a trigger cap and a holding member that holds the trigger cap and is supported by the shaft member. The trigger cap has a restricting portion and may be attached to and detached from the holding member. When the trigger cap is detached, the movable engagement portion moves to an engagement position, and inhibits the movement of the trigger by a pressing operation. When the trigger cap is attached, the movement of the movable engagement portion is restricted by the restricting portion, and the inhibition of the movement of the trigger is released.

Abstract: A turbocharger includes: a shaft; a rolling bearing including an inner ring mounted on the shaft and an outer ring arranged around the inner ring; a housing including a bearing hole accommodating the rolling bearing; a compressor impeller provided on the shaft at an outside the bearing hole; and an annular bearing retainer plate arranged between the bearing hole and the compressor impeller in the central axis direction of the shaft and including an end face facing a side face of the outer ring, the end face including an annular circumferential oil groove continuously extending along the entire circumferential direction of the shaft and a protrusion located inside the circumferential oil groove in a radial direction of the shaft and protruding in a central axis direction of the shaft.

Abstract: An impact rotary tool includes a hammer, an anvil, an output shaft, a housing, and a bearing (first bearing). The bearing (first bearing) is held by the housing. The anvil includes a first contact portion. The output shaft includes a second contact portion. The second contact portion receives, from the first contact portion, force that causes the output shaft to rotate. The bearing (first bearing) is in contact with at least one of the first contact portion or the second contact portion and supports at least one of the output shaft or the anvil rotatably.

Abstract: A filtration formed nanostructure pellicle film with an ultra-thin zirconium coating is disclosed. The filtration formed nanostructure pellicle film includes a plurality of nanotubes that are intersected randomly to form an interconnected network structure in a planar orientation with enhanced properties, and a zirconium-coated layer. The coated interconnected structure with the zirconium-coated layer allows for a high minimum EUV transmission rate of at least 88%. The interconnected network structure has a thickness ranging from a lower limit of 3 nm to an upper limit of 100 nm, to allow for effective EUV lithography processing.

Abstract: A filtration formed nanostructure pellicle film is disclosed. The filtration formed nanostructure pellicle film includes a plurality of carbon nanofibers that are intersected randomly to form an interconnected network structure in a planar orientation. The interconnected structure allows for a high minimum EUV transmission rate of at least 92%, with a thickness ranging from a lower limit of 3 nm to an upper limit of 100 nm, to allow for effective EUV lithography processing.

Abstract: A trigger switch includes a trigger that receives a push-in operation of an operator, and a shaft member that supports the trigger. The trigger moves in an operation direction in which the trigger is pushed in by the push-in operation. The trigger includes a trigger cap including a finger hooking part onto which a finger of the operator is hooked, and a holding member that holds the trigger cap and is supported by the shaft member. The trigger cap is attachable and removable to and from the holding member. An electric device includes the trigger switch, and a body device that is driven in response to a push-in operation on the trigger switch. The body device includes a visual check part that allows visual checking of an attachment state of the trigger cap in the trigger switch.

Abstract: A filtration formed nanostructure pellicle film is disclosed. The filtration formed nanostructure pellicle film includes a plurality of carbon nanofibers that are intersected randomly to form an interconnected network structure in a planar orientation with enhanced properties by plasma treatment. The interconnected structure allows for a high minimum EUV transmission rate of at least 92%, with a thickness ranging from a lower limit of 3 nm to an upper limit of 100 nm, to allow for effective EUV lithography processing.

Abstract: A filtration formed nanostructure pellicle film is disclosed. The filtration formed nanostructure pellicle film includes a plurality of carbon nanofibers that are intersected randomly to form an interconnected network structure in a planar orientation. The interconnected structure allows for a high minimum EUV transmission rate of at least 92%, with a thickness ranging from a lower limit of 3 nm to an upper limit of 100 nm, to allow for effective EUV lithography processing.

Abstract: An impact tool includes a motor, an impact mechanism, an output shaft, a control unit, and an angular lead measurer. The impact mechanism includes a hammer and an anvil. The anvil rotates upon receiving impacting force from the hammer. The angular lead measurer measures an angular lead in rotation of the anvil over the hammer. The control unit changes, according to the angular lead measured by the angular lead measurer, a control mode for controlling the rotational velocity of the output shaft from one of a plurality of modes to another.

Abstract: An impact tool includes an electric motor, an impact mechanism, an acquisition unit, and a behavior decision unit (retreat detection unit). The electric motor includes a permanent magnet and a coil. The impact mechanism performs an impact operation that generates impacting force by receiving motive power from the electric motor. The behavior decision unit makes, based on at least one of a torque current acquisition value (current measured value) which is a value of a torque current acquired by the acquisition unit or an excitation current acquisition value (current measured value) which is a value of an excitation current acquired by the acquisition unit, a decision about behavior of the impact mechanism.

Abstract: A drive shaft includes a first annular wall and a second annular wall joined together via a friction-welded portion. The first annular wall and the second annular wall have outer diameters of 30 to 50 mm and wall thicknesses of 3 to 5 mm. A burr created at the friction-welded portion has a connection radius of greater than or equal to 0.5 mm, a base radius of greater than or equal to 0.5 mm, a burr base angle of less than or equal to 40°, and a burr slope length of 0.2 to 5 mm.

Abstract: A remote control apparatus (a doctor-side control apparatus) according to an embodiment is provided at a position away from a medical manipulator including an arm to which a medical instrument is attached and is configured to remotely operate the medical manipulator. Each of a plurality of wheels that are provided at a bottom surface of the control apparatus is configured to move a control apparatus main body in a first direction parallel to a floor surface on which the control apparatus main body is placed and in a second direction parallel to the floor surface and orthogonal to the first direction.