Abstract: An additive manufacturing apparatus and a method of manufacturing three-dimensional object are provided. According to the disclosure, the additive manufacturing apparatus includes a chamber, an inert gas supply apparatus, a fume collector, a pressure detection apparatus, and a control apparatus. The chamber covers a building region where a desired three-dimensional object is formed. The inert gas supply apparatus supplies an inert gas to the chamber. The fume collector includes a blower and removes fumes from the inert gas that is exhausted together with the fumes from the chamber. The blower circulates the inert gas between the chamber and the fume collector by operating at a predetermined rotation speed. The pressure detection apparatus detects a pressure in the chamber. The control apparatus controls the fume collector to switch a rotation speed of the blower based on the pressure.

Abstract: A method for producing a polytetrafluoroethylene powder, which includes subjecting tetrafluoroethylene to suspension polymerization in an aqueous medium to prepare a suspension-polymerized particle of non melt-processible polytetrafluoroethylene, drying the suspension-polymerized particle to prepare a dry particle, subjecting the dry particle to fluorine radical treatment to prepare a fluorine radical-treated particle, and crushing the fluorine radical-treated particle to produce a polytetrafluoroethylene powder. Also disclosed is a polytetrafluoroethylene formed article obtained by forming the polytetrafluoroethylene powder, as well as a polytetrafluoroethylene compression-molded article obtained by compression molding the polytetrafluoroethylene powder.

Abstract: A vehicle display control device includes a memory and a processor coupled to the memory. The processor is configured to: recognize a traffic regulation mark provided on a traveling path of a car, the traffic regulation mark indicating traffic regulation; specify a valid regulation range used as a valid range of regulation indicated by the traffic regulation mark based on the recognized traffic regulation mark; and control a display device mounted on the car to display regulations information on a display area, the regulations information including contents of regulation indicated by the recognized traffic regulation mark. The processor is configured to switch displaying the regulations information into another upon satisfying a predetermined condition in a case where the valid regulation range is not specified.

Abstract: A brake disc includes an annular disc body and fins. The fins are radially disposed on a back surface of the disc body. At least one of the fins have a bolt hole at a central portion of the fin in a radial direction of the disc body. The disc body includes an inner circumferential portion. The inner circumferential portion is positioned inward from the bolt hole in the radial direction. The inner circumferential portion decreases in thickness as the inner circumferential portion extends inward in the radial direction. The fins each include a top surface and a convex portion. The convex portion protrudes inward from an imaginary plane in the radial direction. The imaginary plane passes an end portion of the top surface and an inner circumferential edge of the back surface.

Abstract: Provided is a method for producing a fluoropolymer composition, comprising bringing a fluoropolymer raw material into contact with an oxidizing agent, wherein the fluoropolymer raw material is obtained by polymerizing a fluoromonomer in an aqueous medium in the presence of a polymer (I) containing a polymerization unit (I) derived from a monomer (I) represented by the general formula (I). CX1X3?CX2R(—CZ1Z2-A0)m??(I) wherein X1 and X3 are each independently F, Cl, H, or CF3; X2 is H, F, an alkyl group, or a fluorine-containing alkyl group; A0 is an anionic group; R is a linking group; Z1 and Z2 are each independently H, F, an alkyl group, or a fluorine-containing alkyl group; and m is an integer of 1 or more.

Abstract: A smoke detector includes: a casing; a first light emitting unit; a second light emitting unit; and a light receiving unit. A second scattering angle that is an angle between the reception axis of the light receiving unit and a second extension extending from an intersection of the second emission axis and the reception axis in a direction away from the second light emitting unit is larger than a first scattering angle that is an angle between the reception axis of the light receiving unit and a first extension extending from an intersection of the first emission axis and the reception axis in a direction away from the first light emitting unit.

Abstract: An electrode body including a current collector and an electrode layer that includes layers in the order of a first electrode layer and a second electrode layer from the current collector side in a thickness direction. The first electrode layer includes an end surface A, and the second electrode layer includes an end surface B. In a cross-sectional view in the thickness direction, the end surface A includes an end part A1 in the current collector side, and an end part A2 in the second electrode layer side, and the end surface B includes an end part B1 in the first electrode layer side, and an end part B2 in an opposite side to the first electrode layer; the end surface A includes, in a vertical direction to the thickness direction, and a first inclination part in which the end part A1 protrudes form the end part A2.

Abstract: A method for producing a fluoropolymer which method includes polymerizing a perfluoromonomer in an aqueous medium in the presence of a polymer (1) to obtain a fluoropolymer, wherein the content of a polymerized unit derived from the perfluoromonomer in the fluoropolymer is 90 mol % or more based on all polymerized units of the fluoropolymer, the polymer (1) is a polymer of a monomer (1) represented by the general formula (1): CF2?CF—O—R-(Rf-SO3M)m, a polymerized unit (1) derived from the monomer (1) in the polymer (1) is 50% by mass or more based on all polymerized units of the polymer (1), and the content of a dimer and a trimer of the monomer (1) in the polymer (1) is 1.0% by mass or less based on the polymer (1).

Abstract: A method for producing polytetrafluoroethylene, which includes polymerizing tetrafluoroethylene in an aqueous medium in the presence of a nucleating agent and a hydrocarbon anionic surfactant to obtain polytetrafluoroethylene. A total amount of the nucleating agent and the hydrocarbon anionic surfactant at the initiation of polymerization is more than 50 ppm based on the aqueous medium.

Abstract: A production device of an electrode member to be used for a battery, the production device including: a backup roll configured to support a current collector to be carried; a first die configured to form a first coating layer by coating the current collector on the backup roll with a first slurry; and a second die configured to form a second coating layer by coating the first coating layer on the backup roll with a second slurry, wherein each of the first die and the second die are independent; and when horizontal direction is regarded as a reference 0°, perpendicular downward is regarded as +90°, and perpendicular upward is regarded as ?90°, a discharge angle of the second slurry in the second die is ?90° or more and +60° or less.

Abstract: According to one embodiment, a disk device includes a housing, magnetic disks in the housing, and a printed circuit board attached to an outer surface of a bottom wall of the housing. The housing includes a base including a bottom wall and a side wall, and at least two base-side positioning portions provided on the bottom wall in a region overlapping the side wall. The printed circuit board includes at least two board-side positioning portions each engaged with the base-side positioning portion. One of the base-side positioning portion and the board-side positioning portion includes a pin extending substantially perpendicular to the bottom wall, and another includes a hole into which the pin is fitted.

Abstract: A fishing rod includes a hollow rod extending along a central axis; and a shaft member with an outer peripheral surface inclined relative to the central axis inserted into the rod from the one end, and that is supported by an inner peripheral surface of the rod at a support position on another end side of the one end in an axial direction along the central axis, wherein the inner peripheral surface of the rod has at least one convex portion protruding toward the central axis from a virtual curve between the support position and the one end position axially when drawing a virtual curve that is convex toward the central axis through the support position and the one end position at the end of the end side of the inner peripheral surface in an area radially outward from the outer peripheral surface of the shaft member.

Abstract: A communication apparatus includes: a first communicator capable of wireless-communicating using a cellular communication scheme; a second communicator capable of wireless-communicating with another communication apparatus using a first communication scheme (not the cellular communication scheme); and a controller controlling the first and second communicators to execute a first communication mode. The second communicator transmits a wireless connection request to the other communication apparatus in the first communication mode.

Abstract: An image forming apparatus includes plural image holding bodies that are provided for respective colors of toners and hold toner images having the respective colors, an intermediate transfer body onto which the toner images having the respective colors held by the plural image holding bodies are transferred, a waste toner collection unit that collects toners remaining on the intermediate transfer body as a waste toner in a case where the toner images having the respective colors transferred onto the intermediate transfer body are transferred onto a recording material, a waste toner developing unit that uses the waste toner collected by the waste toner collection unit to develop a toner image on an image holding body of the plural image holding bodies or the other image holding body of the plural image holding bodies, and a control unit that performs a control to cause the waste toner developing unit to develop the toner image in a case where a predetermined condition about a ratio of a waste toner having each

Abstract: A particle analyzer (100) includes: a light source that emits excitation light (EL1) including light having a wavelength of 400 nm or less; a lens structure (41) that collects excitation light (EL1) at a predetermined position (51s) in a flow path (53); a detection unit (7) that detects light (FL) emitted from a particle as the particle (51) flowing through the predetermined position is excited by the excitation light (EL1); and a processing unit (120) that processes detection data acquired by the detection unit (7). The lens structure (41) includes a plurality of lenses (411) arranged along an optical axis of the excitation light (EL1); and a lens frame (412) holding the plurality of lenses (411). At least one (G12) of the plurality of lenses (411) is positioned in the lens frame (412) by abutting on a lens adjacent to the lens.

Abstract: A transmission control device, which drives multiple antennas having different transmission ranges, includes: a genuine transmission control unit that transmits, from a genuine transmission antenna with use of a carrier wave, a genuine code for activating a portable device; and an inversion transmission control unit that transmits, from an inversion transmission antenna with use of a carrier wave, an inversion code including at least partial inverted genuine code concurrently with a transmission of the genuine code from the genuine transmission antenna. The inversion transmission antenna has a transmission range which does not overlap with a transmission range of the genuine transmission antenna.

Abstract: A vehicle authentication system includes a ring-type wearable device, an in-vehicle device, and a communication terminal. The in-vehicle device performs authentication regarding use of the vehicle. The in-vehicle device causes a short-range communication module to perform short-range wireless communication with the ring-type wearable device that has unique identification information. The in-vehicle device acquires information received by a wide area communication module configured to communicate, via a network, with the communication terminal configured to make a reservation for the use of the vehicle.

Abstract: This motor device includes: a motor having components including a stator and a rotor; and a controlling circuitry to control the motor. The motor is provided with temperature sensors to detect a heat transfer amount and a transfer direction about the components. The controlling circuitry includes a temperature calculator to calculate a component temperature based on a thermal circuit network from thermal resistances and heat capacities given for the components. On the basis of actual measured values of the heat transfer amount and the transfer direction obtained by the temperature sensors, the temperature calculator corrects thermal resistances and heat capacities about the components obtained on the basis of the thermal circuit network, and estimates the temperature of each component during driving of the motor.

Abstract: A driving assistance device includes a lane change detection unit, a lane identification unit, a first space determination unit, an operation control unit. The lane identification unit identifies an original lane and a destination lane by using a detection result obtained by a boundary detection unit that detects a first boundary and a second boundary. The first boundary is a boundary between the original lane and the destination lane, and the second boundary is a boundary that defines the original lane and is located on a side opposite to the first boundary. When it is detected that the own vehicle is scheduled to perform a lane change and it is determined that the passable space is present, the operation control unit causes the own vehicle to perform a lateral movement operation before the lane change is performed. The lateral movement operation causes the own vehicle to approach the destination lane.

Abstract: A stator includes: a stator core including an annular yoke portion and a plurality of tooth portions formed on an inner side in a radial direction of the yoke portion so as to be arranged at predetermined intervals in a circumferential direction and protrude toward the inner side in the radial direction; and a winding arranged in slots formed between the tooth portions. The stator includes cooling tubes made of a nonconductive material, extending in an axial direction of the stator, and serving as flow paths for a coolant. The cooling tube has a constant outer shape along the axial direction and has a thickness that changes along the axial direction.