Abstract: Provided is a brain wave detection electrode (50) which is brought into contact with a scalp of a subject to detect brain waves, the brain wave detection electrode including a base portion (51), a plurality of pyramid-shaped protrusion portions (60) protruding from the base portion (51), and an electrode portion provided in the protrusion portion (60), in which a distance D1 between protrusion portions (60) most adjacent to each other among the plurality of protrusion portions (60) satisfies the following expression (1).

Abstract: Provided is a wafer conveyance device that suppresses a temperature rise of gas in a wafer conveyance chamber. A wafer conveyance device for conveying a wafer between a FOUP (Front-Opening Unified Pod) in which the wafer is stored and a processing device for processing the wafer, the wafer conveyance device including a wafer conveyance chamber in which a conveyance robot is installed, an FFU chamber communicating with the wafer conveyance chamber, a return duct provided in a wall or a door of the wafer conveyance chamber and communicating with both the wafer conveyance chamber and the FFU room, a blowing fan that blows gas from the FFU chamber into the wafer conveyance chamber, and a heat exchanger that cools the gas circulating in an internal space including the FFU chamber, the return duct, and the wafer conveyance chamber.

Abstract: A brain wave detection electrode (50) includes a pillar-shaped basal part (51) (base part), a plurality of polygonal pyramid-shaped protrusions (60) (protruding parts) that are elastic bodies and provided perpendicularly to one end face (a protrusion formation surface (52)) of the basal part (51), and electrode parts (80) provided on tip portions of the protrusions (60), in which H/D, which is a ratio As of a width D of a bottom surface of the polygonal pyramid shapes to a height H of the polygonal pyramid shapes, is equal to or more than 1.2 and equal to or less than 2.0.

Abstract: A non-transitory computer-readable recording medium stores therein a learning program that causes a computer to execute a process including calculating, by secure computation, an objective variable by inputting an explanatory variable into a logistic regression model, updating parameters of the logistic regression model by secure computation based on a result of calculation, and determining, by secure computation, whether to end update of the parameters based on whether an update amount of the parameters is smaller than a reference value that has been specified by a user and is encrypted.

Abstract: A processing system distributes original data in a state of being segmented shares to a plurality of servers, and stores the original data in the servers, each of the servers including processing circuitry configured to perform statistical processing on the shares that are used in computation that is requested by a requesting device, and perform the computation that is requested by the requesting device using statistical information into which conversion is made in the statistical processing.

Abstract: A processing system distributes registration data that a registrar device has to a plurality of servers in a state of being segmented shares, and stores the registration data in the servers. Each of the servers includes first processing circuitry configured to perform anonymization on the shares, and provide anonymization-processed information on which anonymization is performed in the state of being shares.

Abstract: An image reading apparatus connected to a conveying apparatus to convey a recording medium to which a toner image is fixed includes a conveying unit and a reading unit having a transparent member, a reading sensor, a housing supporting, and a fan. The conveying unit receives the recording medium discharged from the conveying apparatus and conveys the recording medium. The reading unit is positioned downstream of the conveying unit in a conveying direction of the recording medium. The reading sensor read a housing supporting image information about an image on the recording medium through the transparent member. The housing supports the reading sensor and defines, together with the transparent member, an accommodation space configured to accommodate the reading sensor. The fan is positioned in the accommodation space and circulates air in the accommodation space.

Abstract: A thrust magnetic bearing device includes: a thrust disc fixed to a rotating body; and a pair of electromagnets provided so as to sandwich the thrust disc and be spaced apart from the thrust disc in a direction along a rotation axis. Each of the pair of electromagnets includes: a coil wound around the rotation axis of the rotating body; and a ring-shaped core accommodating the coil. The core includes a slit which is located at at least one circumferential position of the core and extends from an outside outer peripheral surface as a starting point toward a center of the core. The slit is formed in a range including at least an inside outer peripheral surface.

Abstract: Disclosed is a balancer device for an internal combustion engine, wherein: a pump mounting fixing part to which an oil pump is fixed is formed on an end surface of a lower housing member; a gear accommodation part in which a pump driving gear and a reduction gear are accommodated is provided between the oil pump and the pump mounting fixing part; a rigidity-reinforcing part in which an oil discharge passage is defined in communication with a discharge port of the oil pump is formed on the lower housing member so as to extend in a direction of extension of first and second balancer shafts on an outer side of the lower housing member; and a portion of the pump mounting fixing part formed on the end surface of the lower housing member and the rigidity-reinforcing part are made integral with each other.

Abstract: An image reading apparatus connected to a conveying apparatus to convey a recording medium to which a toner image is fixed includes a conveying unit and a reading unit having a transparent member, a reading sensor, a housing supporting, and a fan. The conveying unit receives the recording medium discharged from the conveying apparatus and conveys the recording medium. The reading unit is positioned downstream of the conveying unit in a conveying direction of the recording medium. The reading sensor read a housing supporting image information about an image on the recording medium through the transparent member. The housing supports the reading sensor and defines, together with the transparent member, an accommodation space configured to accommodate the reading sensor. The fan is positioned in the accommodation space and circulates air in the accommodation space.

Abstract: Disclosed is a balancer device for an internal combustion engine, wherein: a pump mounting fixing part to which an oil pump is fixed is formed on an end surface of a lower housing member; a gear accommodation part in which a pump driving gear and a reduction gear are accommodated is provided between the oil pump and the pump mounting fixing part; a rigidity-reinforcing part in which an oil discharge passage is defined in communication with a discharge port of the oil pump is formed on the lower housing member so as to extend in a direction of extension of first and second balancer shafts on an outer side of the lower housing member; and a portion of the pump mounting fixing part formed on the end surface of the lower housing member and the rigidity-reinforcing part are made integral with each other.

Abstract: A thrust magnetic bearing device includes: a thrust disc fixed to a rotating body; and a pair of electromagnets provided so as to sandwich the thrust disc and be spaced apart from the thrust disc in a direction along a rotation axis. Each of the pair of electromagnets includes: a coil wound around the rotation axis of the rotating body; and a ring-shaped core accommodating the coil. The core includes a slit which is located at at least one circumferential position of the core and extends from an outside outer peripheral surface as a starting point toward a center of the core. The slit is formed in a range including at least an inside outer peripheral surface.

Abstract: An image forming apparatus includes: an exterior of a main body of the image forming apparatus, the exterior including a vent hole; a substrate provided in an inner side of the main body with respect to the exterior so as to face the vent hole and configured to mount an electronic component; and a sheet member including a hole and flexibility, the sheet member being disposed so that the hole and the vent hole overlap with each other at a position between the exterior and the substrate, the sheet member being formed in a loop shape so that a portion that does not have the hole covers the hole with a gap.

Abstract: An image forming apparatus includes: an exterior of a main body of the image forming apparatus, the exterior including a vent hole; a substrate provided in an inner side of the main body with respect to the exterior so as to face the vent hole and configured to mount an electronic component; and a sheet member including a hole and flexibility, the sheet member being disposed so that the hole and the vent hole overlap with each other at a position between the exterior and the substrate, the sheet member being formed in a loop shape so that a portion that does not have the hole covers the hole with a gap.

Abstract: At the end portion of a wire harness that is connected through a through hole of a casing, a shielding shell is fixed to the casing and covers a connector for a harness attached to the end portion of the wire harness. A grommet covers the outside of the shielding shell. The grommet includes a main portion and a band-fastened portion, and a skirt portion extends from the band-fastened portion. A bundling band fastens the outer circumferential surface of the connecting portion via the band-fastened portion, and the skirt portion is brought into intimate contact with the outer circumferential surface of a step portion that is continuous with the connecting portion. Sealing lips that receive fastening force by the bundling band and come into intimate contact with the outer circumferential surface of the connecting portion in a squeezed state are formed on the inner circumferential surface of the band-fastened portion.

Abstract: A waterproof cover can prevent substantial deformation thereof and maintain high waterproof performance even when temperature inside the waterproof cover changes. The waterproof cover has a peripheral wall composed of a rubber or elastomer. Two end portions of the peripheral wall are connected to an attachment member. The peripheral wall has an attachment hole passing through the peripheral wall in a thickness direction. A ventilation film is provided inside the attachment hole as an inner pressure adjustment member to adjust inner pressure of the waterproof cover.

Abstract: At the end portion of a wire harness that is connected through a through hole of a casing, a shielding shell is fixed to the casing and covers a connector for a harness attached to the end portion of the wire harness. A grommet covers the outside of the shielding shell. The grommet includes a main portion and a band-fastened portion, and a skirt portion extends from the band-fastened portion. A bundling band fastens the outer circumferential surface of the connecting portion via the band-fastened portion, and the skirt portion is brought into intimate contact with the outer circumferential surface of a step portion that is continuous with the connecting portion. Sealing lips that receive fastening force by the bundling band and come into intimate contact with the outer circumferential surface of the connecting portion in a squeezed state are formed on the inner circumferential surface of the band-fastened portion.

Abstract: A waterproof cover can prevent substantial deformation thereof and maintain high waterproof performance even when temperature inside the waterproof cover changes. The waterproof cover has a peripheral wall composed of a rubber or elastomer. Two end portions of the peripheral wall are connected to an attachment member. The peripheral wall has an attachment hole passing through the peripheral wall in a thickness direction. A ventilation film is provided inside the attachment hole as an inner pressure adjustment member to adjust inner pressure of the waterproof cover.

Abstract: Core shield pipes and one collectively encasing braided shield tube are fixed and electrically connected using a metal bracket and a metal clamp. The metal bracket has two semi-circular members formed by dividing a circular plate sized to be covered by the collectively encasing braided shield tube into two parts. Semi-circular pipe insertion grooves are provided side by side at intervals on facing sides of the semi-circular members to face each other and the core shield pipes are inserted respectively into the pipe insertion grooves. The collectively encasing braided shield tube is mounted to cover the outer periphery of the metal bracket formed of the semi-circular members and the metal clamp is fastened to the outer periphery of the collectively encasing braided shield tube.

Abstract: Switchgear comprising: an air-insulated earthing disconnecting switch switchable among the closing position, disconnecting position, and earthing position; a vacuum interrupter electrically connected to the air-insulated earthing disconnecting switch; an operating device of the air-insulated earthing disconnecting switch having a motor; and an operating-force transmission unit transmitting driving force from the motor to a movable electrode of the air-insulated earthing disconnecting switch, wherein the operating-force transmission unit includes an operation rod fixedly coupled to the movable electrode, a shaft rotatably driven by the motor, a lever fixed to the shaft and making an arc motion with the shaft rotatably driven, a coupling pin coupling the lever and the operation rod, and limit switches detecting that the air-insulated earthing disconnecting switch is in the closing position, disconnecting position, or earthing position by means of the coupling pin driven by the operation of the rod operating wit