baber/WOPTO huggingface dataset:
Patent JP-2020043622-A (JP)
Title: Motor unit and mounting method of variable resistor
Inventor: JUMONJI KENICHI
IPC: H02K11/21
Filed: 2018-09-06
Abstract: To provide a motor unit that can achieve both a miniaturization thereof and an accurate angle detection of an output part.SOLUTION: A motor unit comprises: a motor; a variable resistor that detects a rotation angle of an output shaft or a power transmission member of the motor; and a substrate on which the variable resistor is surface-mounted. In the variable resistor, a fixed angle is adjustable within a predetermined angular range in the circumferential direction on the substrate. A land pattern, on which a terminal of the variable resistor is soldered, is formed over the range in which the terminal moves, when the variable resistor is rotated within the predetermined angular range in the circumferential direction in the state that the terminal is placed on the land pattern. A mounting method of the variable resistor includes: a step in which the rotary type variable resistor is placed on the substrate; and a step in which only a body part of the variable resistor is rotated around a shank without changing the angle of the shank, while monitoring an output value of the variable resistor in a state of fixing the arranged angle of the shank of the variable resistor.SELECTED DRAWING: Figure 5
Patent JP-2020041565-A (JP)
Title: Actuator, valve, fluid supply system, and semiconductor manufacturing device
Inventor: NAKADA TOMOKI
IPC: F16K39/02
Filed: 2018-09-07
Abstract: To provide an actuator capable of suppressing generation of minute particles by suppressing a speed for a diaphram to be seated on a valve seat in simple configuration, a valve, a fluid supply system, and a semiconductor manufacturing device.SOLUTION: An actuator 20 comprises: casings 21-25 in which a fluid passage for circulating a drive fluid is formed; drive pistons 31 and 34 which are provided within the casings 21-25, form pressure chambers S1 and S2 together with the casings 21-25 and are driven by the drive fluid supplied from the outside via the fluid passage; and a first flow rate regulating mechanism 40 which is provided within the casings 21-25 and changes an effective cross-sectional area of the fluid passage. The first flow rate regulating mechanism 40 is configured to increase/decrease the effective cross-sectional area in the first flow rate regulating mechanism 40 in accordance with increase/decrease in a pressure in the fluid passage.SELECTED DRAWING: Figure 5
Patent JP-2020043200-A (JP)
Title: Semiconductor device
Inventor: ICHIJO HISAO
IPC: H01L21/336
Filed: 2018-09-10
Abstract: To provide a semiconductor device capable of improving reliability of a gate insulating film.SOLUTION: In a step of manufacturing a semiconductor device 1, the screening of applying a predetermined voltage between a source electrode 30 and a gate pad 50 is performed to remove an element including failures of a gate insulating film 45. Thereafter, the gate pad 50 and a contact pad 60 are electrically connected with each other. Thereby, application of a voltage higher than a breakdown voltage of a protection element PE to the gate insulating film 45 can be avoided. As a result, damages to the gate insulating film 45 can be avoided, and its reliability can be improved.SELECTED DRAWING: Figure 1
Patent JP-2020043203-A (JP)
Title: Manufacturing method of electrode for electrolytic capacitor
Inventor: YOKOTA JUNICHI
IPC: H01G9/00
Filed: 2018-09-10
Abstract: To provide a manufacturing method of electrode for electrolytic capacitor, capable of reducing carbon residual in an electrode for an electrolytic capacitor and suppressing a leakage current in the electrolytic capacitor.SOLUTION: The manufacturing method of electrode for electrolytic capacitor includes: a process of applying slurry containing metal powder 4 and at least one type of solvent to a surface of metal foil 1 and forming a coating film 2; and a process of heating the coating film 2 and sintering the metal powder 4. The viscosity of solvent at 25°C is 400 Pa s or more and 500 Pa s or less and the viscosity of solvent in a range of 40°C or more and 60°C or less is 0.2 Pa s or more and 20 Pa s or less.SELECTED DRAWING: Figure 1
Patent JP-2020043681-A (JP)
Title: Electric power conversion device
Inventor: TAGURI KENTO
IPC: H02M7/48
Filed: 2018-09-10
Abstract: To provide an electric power conversion device capable of executing a plurality of controls for protecting a switching element from heat on the basis of an appropriate temperature.SOLUTION: An electric power conversion device disclosed herein is a device that converts source power to driving power for a traveling motor. The electric power conversion device comprises: a plurality of switching elements in which the source power flows; a cooling device that cools the switching elements; and a controller that controls the switching elements and the cooling device. The controller calculates an estimated temperature of a refrigerant on the basis of a heat quantity of each switching element, and sets an upper temperature which is higher than the estimated temperature and a lower temperature which is lower than the same. The controller selectively uses the estimated temperature, the upper temperature, and the lower temperature in a plurality of controls for protecting the switching elements from heat. The electric power conversion device sets three kinds of temperatures in regard to a refrigerant temperature, and selectively uses the three kinds of temperatures in the plurality of controls for protecting the switching elements from heat.SELECTED DRAWING: Figure 4
Patent JP-2019137829-A (JP)
Title: Lubricant oil composition
Inventor: HONDA TAKASHI
IPC: C10M145/16
Filed: 2018-09-11
Abstract: To provide a lubricant oil composition which is excellent in component protecting properties including abrasion resistance, seizure resistance, gear fatigue resistance and bearing fatigue resistance even when having a lowered viscosity, and has high electric insulation properties (volume resistivity).SOLUTION: A lubricant oil composition of the present invention comprises: (A) a lubricant base oil; (B1) a phosphorous ester or its amine salt having at least one 4-10C alkyl group; (C) a borate; (D) a sulfur-based extreme-pressure agent; and (E) an organic friction control agent. The lubricant oil composition has its kinetic viscosity of 1.5-5 mm/s at 100°C. Based on the total mass of the lubricant oil composition, the phosphorus content is 310-1000 ppm, the boron content is 50-400 ppm and the sulfur content is 250-1000 ppm.SELECTED DRAWING: None
Patent JP-2020044201-A (JP)
Title: Adhesive sheet for living body and wearable biological information measurement device
Inventor: OKAMOTO KOICHIRO
IPC: C09J133/06
Filed: 2018-09-20
Abstract: To provide an adhesive sheet for a living body having stable conductivity and transparency even in a low humidity environment.SOLUTION: An adhesive sheet for a living body comprises a gel adhesive comprising: an amphipathic high polymer formed of a copolymer of a hydrophilic monomer, an amphipathic monomer, and a hydrophobic monomer; a nonionic detergent with an HLB in a range of 12-16; polyalcohol comprising, in a molecule, a structure in which a hydroxy group is coupled to each of three or more adjacent carbon atoms; water; and inorganic salt. The adhesive sheet for a living body comprises a total light transmittance measured in accordance with JIS K 7361-1:1997 of 75-95%, and a haze value measured in accordance with JIS K 7136:2000 of 1-60%.SELECTED DRAWING: None
Patent JP-2020044294-A (JP)
Title: Vacuum cleaner
Inventor: GOTO SATOSHI
IPC: A47L9/26
Filed: 2018-09-21
Abstract: To provide a vacuum cleaner that enables down-sizing.SOLUTION: A vacuum cleaner 1 includes a cleaner body 2, a cord reel device 5, and travel wheels 8. The cord reel device 5 has a rotation axial line A in a direction crossing with a traveling direction of the cleaner body 2 and is rotatably stored in the cleaner body 2, so that a power cord is wound. The travel wheels 8 are rotatably supported at both sides of the cleaner body 2 by holding the cord reel device 5 between them. One of the travel wheels 8 is arranged by at least partially overlapping with the cord reel device 5 in a direction of the rotation axial line A when viewed in the traveling direction of the cleaner body 2.SELECTED DRAWING: Figure 1
Patent JP-2020049438-A (JP)
Title: Turning swirl type classifier
Inventor: ONISHI TATSUYA
IPC: B07B7/08
Filed: 2018-09-27
Abstract: To provide a turning swirl type classifier that can perform classification in the middle of pneumatic transportation, can suppress deposition of powder to a guide vane, and thereby can improve classification accuracy.SOLUTION: A turning swirl type classifier 2 is provided for classifying powder into fine powder and coarse powder. The classifier includes: a central body 10; multiple guide vanes 12, 14 extending at a predetermined angle in a radial direction from a lower circumferential edge of the central body toward a central part, and arranged in a circle in the lower circumferential edge of the central body; a cover 16 for covering the central body and the multiple guide vanes; a supply port 6 where the powder is supplied; a powder flow path 26 formed by the side wall surface of the central body and the inner wall surface of the cover, in which the powder supplied in the supply port is made to flow toward the guide vane; a rectification member 18 attached to the inner wall surface of the cover, and positioned in the same horizontal plane as the upper part of the guide vane upper surface or above the upper part of the guide vane; a fine powder recovery pipe 8 for recovering the fine powder; and a coarse powder recovery pipe 20 for recovering the coarse powder.SELECTED DRAWING: Figure 1
Patent JP-2020049066-A (JP)
Title: Game machine
Inventor: AOKI KENTA
IPC: A63F5/04
Filed: 2018-09-28
Abstract: To provide a game machine capable of progressing a game smoothly.SOLUTION: When a top case 2200 is slidably moved to an open position relative to a bottom case 2100 in a board case CU1, one portion of a component surface side of a connector CN1 and one portion of a component surface side of a connector CN2 are exposed from among all the connectors mounted on a main control board 51. In the connector CN1, half the terminals PN1 to PN6 from all the terminals are exposed and the remaining terminals are hidden by the bottom case 2100 and are not exposed. In the connector CN2, half the terminals PN21 to PN26 from among all the terminals are exposed and the remaining terminals are hidden by the bottom case 2100 and are not exposed.SELECTED DRAWING: Figure 23
Patent JP-2020053931-A (JP)
Title: Image processing system, image scanner, and image processing method
Inventor: NAKAMURA HIROSHI
IPC: H04N1/387
Filed: 2018-09-28
Abstract: To provide an image processing system capable of improving the quality of image data after angle correction.SOLUTION: A first image acquisition part 100 and a second image acquisition part 130 acquire first image data 200 and second image data 220 including an information recording medium 2 imaged under irradiation with light. An angle calculation part 110 calculates inclination angle of the information recording medium 2 from the first image data 200. A peak calculation part 120 calculates the coordinates of respective peaks, corresponding to the square of the information recording medium 2, from the first image data 200. An angle correction part 140 corrects the calculated coordinates of respective peaks, by the calculated inclination angle, and creates corrected image data 230 by acquiring the pixel value of a pixel of the first image data 200 or the second image data 220 at the coordinates of the pixel subjected to inverse transformation by the inclination angle, for each pixel in the square by respective peaks subjected to inclination correction.SELECTED DRAWING: Figure 2
Patent JP-2020056899-A (JP)
Title: Optical wheel, light source device and projection device
Inventor: KUROSAKI HIDEMASA
IPC: F21V5/04
Filed: 2018-10-02
Abstract: To provide an optical wheel which has reduced unevenness in illuminance and color unevenness of projection light.SOLUTION: An optical wheel 101 includes: a phosphor emission area 126 where a first wavelength band light enters from one side 100a and fluorescent light excited by the first wavelength band light is emitted from the other side 100b; and an adjustable diffusion optical area 123 where the first wavelength band light enters from one side 100a and an adjustment part 231 is provided, whose diffusion characteristics are different between the radial direction and the circumferential direction with reference to the first wavelength band light. The direction in which the diffusion degree of the first wavelength band light is larger in the radial and circumferential directions of the adjustment part 231 approximately coincides with the minor axis direction of an elliptical cross-sectional shape of the first wavelength band light.SELECTED DRAWING: Figure 4
Patent JP-2020054960-A (JP)
Title: Filter plate structure of filter press device, and the filter press device
Inventor: FURUHASHI TAKAMASA
IPC: B01D25/12
Filed: 2018-10-02
Abstract: To provide a structure which can enhance sealability and can suppress leakage of a liquid from a filtering chamber more securely.SOLUTION: In a filter plate structure of a filter press device, a first pressing part of a filter plate part has a first sealing part which is arranged around a dent part and protrudes or recesses. A second pressing part of a close contact part has a second sealing part which is arranged around a storage part and protrudes or recesses. The first sealing part and the second sealing part press each other in a close contact state, and the one sealing part has a protrusion part which protrudes to another sealing part side and is arranged so as to surround a filtering chamber in the close contact state, and the other sealing part has a recess part which recesses to an opposite side to the one sealing part and is arranged so as to surround the filtering chamber 40 in the close contact state. The protrusion part or a covering part which covers the protrusion part enter the recess part and presses an inner surface of the recess part in the close contact state.SELECTED DRAWING: Figure 1
Patent JP-2020058174-A (JP)
Title: Vibration type actuator and device
Inventor: ODA YUKI
IPC: G02B7/08
Filed: 2018-10-03
Abstract: To provide a vibration type actuator capable of positioning a vibrating body with respect to a contact body.SOLUTION: A vibrating body unit 32 that constitutes a vibration type actuator includes a vibrating body 2 that comes into contact with a contact body 1, a tension coil spring 12 that brings the vibrating body 2 and the contact body 1 into contact with each other with a predetermined pressing force, a holding member 18 that holds the vibrating body 2, a unit base 39, a first support member 7 that slidably supports the holding member 18 in the pressing direction of the vibrating body 2 against the contact body 1, and connection members 35 and 36 rotatably connected to the first support member 7 and rotatably connected to the unit base 39 about an axis parallel to a support shaft 9, and the position of the vibrating body 2 can be adjusted by making the first support member 7 movable with respect to the unit base 39.SELECTED DRAWING: Figure 8
Patent JP-2018207543-A (JP)
Title: Sound volume control device
Inventor: ISEKI AKIHIRO
IPC: H04R3/00
Filed: 2018-10-04
Abstract: To lower a reproduction sound level at a specific listening position without giving an adverse effect to a periphery and also without requiring a large scale system.SOLUTION: A sound volume control device is applied to an acoustic space such as a passenger compartment and controls a level of reproduction sound at a listening position that is set to a seat, etc., inside a passenger compartment. Specifically, the sound control device gives a phase difference with respect to a sound signal input from an outside and supplies it to a pair of speakers. This phase difference is calculated on a frequency smaller than a predetermined frequency concerning a sound signal to be reproduced from a speaker in front of a listening position and a sound signal to be reproduced from a speaker behind a listening position. The phase difference is calculated to allow a reproduction sound level at a listening position to be lower than a reproduction sound level when a sound signal is reproduced only by one speaker between the pair of speakers.SELECTED DRAWING: Figure 8
Patent JP-2020060619-A (JP)
Title: Display system, movable body, and transmitting member
Inventor: HIGUCHI MIHO
IPC: G02B27/01
Filed: 2018-10-05
Abstract: To make it possible to prevent a variation in luminance of a virtual image that is visually recognized by an observer.SOLUTION: A display system 1A comprises: a free-form surface mirror 30 as an example of an image forming optical system that projects light to form an image; and a windshield 50 as an example of a reflection member that reflects the light projected from the free-form surface mirror 30, and the display system allows an observer 3 to visually recognize a virtual image 45 formed by the free-form surface mirror 30 with reflected light reflected on the windshield 50. Beams incident on the windshield 50 include a first beam Lp, and a second beam Lm having an incident angle on the windshield 50 smaller than that of the first beam Lp. The display system includes a transmitting member 100 that transmits the first and second beams on a light path on the upstream side of the windshield 50, and the transmitting member 100 is formed such that the transmittance of the second beam Lm becomes larger than the transmittance of the first beam Lp.SELECTED DRAWING: Figure 11
Patent JP-2020064149-A (JP)
Title: Image forming system
Inventor: HIGASHIDA KATSUFUMI
IPC: G03G21/16
Filed: 2018-10-16
Abstract: To provide an image forming system that improves operability in replacing lubricant.SOLUTION: An image forming system comprises: a main body that accommodates a roller; and a lubricant unit that includes a casing having an opening and a lubricant holding part holding lubricant arranged in the casing. The casing is swingably connected to the main body via pivot connection parts and displaceable to a closed position and an opened position. At the closed position, the lubricant holding part is arranged at a position where it can bring the lubricant into contact with a roller to supply the lubricant through the opening. At the opened position, the lubricant holding part is arranged such that the opening is exposed to the outside of the main body. While the casing is arranged at the closed position, the pivot connection parts are arranged at the lower part of the casing. While the casing is arranged at the opened position, the opening in the casing is arranged upward.SELECTED DRAWING: Figure 3
Patent JP-2019140088-A (JP)
Title: Metal ingot welding column combination and power supply module to which metal ingot welding column combination is applied
Inventor: Chen shan-jun
IPC: H05K1/14
Filed: 2018-10-17
Abstract: To provide a metal ingot welding column combination and a power supply module to which the metal ingot welding column combination is applied.SOLUTION: There is provided a metal ingot welding column combination including at least two metal block welding columns having a first end and a second end opposite to the first end, and at least one of the first end and the second end each having a welding surface, and at least one insulating mass connecting the metal mass welding columns together. The metal ingot welded column combination is used in a surface mounting process as a connector for a circuit board, and has the merit so as not to easily fall over and improve work efficiency.SELECTED DRAWING: Figure 3
Patent JP-2019090792-A (JP)
Title: Autonomous screening and optimization of battery cell formation and cycling procedure
Inventor: STEFANO ERMON
IPC: G01R31/36
Filed: 2018-10-17
Abstract: To provide a method for shortening time to market introduction of batteries, by optimizing a battery deterioration model.SOLUTION: A method for scrutinizing battery cell formation and a multi-dimensional parameter space of a cycling protocol includes the steps of: defining a parameter space for a plurality of battery cells that are optimization objects; specifying hyper parameters, such as resources, parameter spaces and algorithms; selecting a subset of charging policies, including repetition of the policies; testing the subset of policies by using battery cycling equipment until a cycling number necessary for correctness has been attained; adopting an algorithm of an optimal experimental design (OED) to obtain a recommendation for executing at least one next test; and executing a recommendation test by repeating the step of testing the subset.SELECTED DRAWING: Figure 1
Patent JP-2019137832-A (JP)
Title: Pressure-sensitive adhesive sheet and laminate of pressure-sensitive adhesive sheet
Inventor: SAWAZAKI RYOHEI
IPC: B32B3/04
Filed: 2018-10-22
Abstract: To provide a pressure-sensitive adhesive sheet with a release film, which scarcely produces blocking even when a plurality of them are piled up and which is easily picked up, and of which the peeling charge due to peeling of the release film is suppressed.SOLUTION: In a pressure-sensitive adhesive sheet (100), a first release film (1) is temporarily bonded to one face of a pressure-sensitive adhesive layer (5), and a second release film (2) is temporarily bonded to the second main face of the pressure-sensitive adhesive layer (5). The first release film (1) includes a release layer (11) on a first main face of a film substrate (10), and the second release film (2) includes a release layer (21) on a first main face of a film substrate (20). A releasing force of the first release film (1) from the pressure-sensitive adhesive layer (5) is less than that of the second release film (2) from the pressure-sensitive adhesive layer (5). At least one of the first release film (1) and the second release film (2) includes an antistatic layer (31, 32) on a second main face of the film substrate.SELECTED DRAWING: Figure 1
Patent JP-2019124683-A (JP)
Title: Method and device for estimating rate of object and image processor
Inventor: ZHANG CONG
IPC: G06T7/246
Filed: 2018-10-23
Abstract: To provide a device and a method for estimating the rate of an object, and an image processor.SOLUTION: The method includes the steps of: conducting a foreground detection and an edge detection on an input current frame image; acquiring a foreground image and an edge image; confirming a candidate detection region based on the foreground image and the edge image; detecting a corner in the candidate detection region and acquiring a plurality of corner points; calculating the rates of a plurality of corner points; and determining the average value of the rates of the corner points to be the rate of the object.SELECTED DRAWING: Figure 1
Patent JP-2019078266-A (JP)
Title: Bearing bush of turbocharger, and turbocharger
Inventor: Sven brandt
IPC: F02B39/14
Filed: 2018-10-25
Abstract: To provide a new type of bearing bush of a turbocharger, which is characterized by low wear.SOLUTION: A bearing bush (1) of a turbocharger is for radially mounting a shaft of the turbocharger. The bearing bush (1) has at least partially a microstructure of a plurality of cup-shaped recesses, in an inner surface (4) which faces the shaft to be mounted and forms an actuation surface (5) of the bearing bush. The recesses have a maximum depth to apply for the following, V=s/t≥0.1 and/or Re=(h+t)*v/v≤1800, wherein sis an absolute clearance between the bearing bush (1) and the shaft, tis a maximum depth of the cup-shaped recesses, his a minimum bearing clearance between the bearing bush (1) and the shaft, vis a maximum circumferential speed of the shaft, and vis a kinematic viscosity of a lubricant utilized for lubrication.SELECTED DRAWING: Figure 1