baber/WOPTO huggingface dataset:
Patent JP-2020134126-A (JP)
Title: Indoor unit
Inventor: MOGI YASUHIRO
IPC: F25B41/00
Filed: 2020-01-07
Abstract: To enable a refrigerant leaked from an indoor unit to be detected without using a closed space that may restrict pipe arrangement, or many sensors.SOLUTION: An indoor unit comprises: a pipe drawing part 141a that connects a refrigerant pipe drawn out from a heat exchanger 141 provided inside a housing 110, and refrigerant pipes 142, 143; and pipe connecting parts 144, 145 connecting the refrigerant pipes 142, 143 drawn to the outside of the housing 110 and inter-unit pipes 301, 302 connected to an outdoor unit. The housing 110 has a first opening 153b communicating below the pipe connecting parts 144 and 145, and a refrigerant sensor 154 is provided at a position near the first opening. The refrigerant sensor 154 detects refrigerant leaking from the pipe connecting parts 144 and 145 and the refrigerant leaking from the pipe drawing part 141a.SELECTED DRAWING: Figure 1
Patent JP-2021109012-A (JP)
Title: Inner tube and catheter
Inventor: ASAKAWA TOMOHIRO
IPC: A61M25/10
Filed: 2020-01-14
Abstract: To provide an inner tube that is less likely to leave bubbles inside a balloon when being used for a balloon catheter, and to provide a catheter that is less likely to leave bubbles inside a balloon.SOLUTION: An inner tube 22 used for a medical catheter includes: a tube body 25; a hydrophilic film 26 provided at an outer peripheral surface of the tube body; and a marker part of which regular reflectance of an ultrasonic wave is respectively reduced as compared to the other parts and which is provided at the outer peripheral surface. The hydrophilic film is provided while overlapping on the marker part.SELECTED DRAWING: Figure 5
Patent JP-2021114671-A (JP)
Title: Physical quantity detection circuit, physical quantity sensor, electronic apparatus, moving object, and operation method for physical quantity detection circuit
Inventor: YAMADA HIDEYUKI
IPC: H03M1/12
Filed: 2020-01-17
Abstract: To provide a physical quantity detection circuit, a physical quantity sensor, an electronic apparatus, a moving object, and a method for the physical quantity detection circuit.SOLUTION: A physical quantity detection circuit 200 includes: an analog/digital conversion circuit 32 having an input capacitance, and converting an analog signal VAO2 to a digital signal VDO by sampling the analog signal to the input capacitance; a precharge circuit 31 for performing the input capacitance precharge before the analog/digital conversion circuit 32 samples the analog signal VAO2 to the input capacitance; a digital calculation circuit 41 for performing calculation process for the digital signal VDO; and a reference voltage circuit 10 for supplying power supply voltage to the precharge circuit 31 and the digital calculation circuit 41, in which the calculation process start timing and the calculation process end timing of the digital calculation circuit 41 are set at a timing avoiding a precharge period for performing the input capacitance precharge by the precharge circuit 31.SELECTED DRAWING: Figure 1
Patent JP-2020129364-A (JP)
Title: Enhanced access protection system for safeguarding machine or installation
Inventor: SEZGIN YUMUK
IPC: G05B9/03
Filed: 2020-01-22
Abstract: To provide an enhanced safety function access protection system for safeguarding an access point to a machine or installation located in a safety area.SOLUTION: The access protection system comprises a sensor device including an optical transmitter 22 and an optical receiver 24 and a controller. A sensor signal is generated in response to receiving a light pulse from the optical transmitter 22 by the optical receiver 24, and the controller evaluates the sensor signal to control a machine or installation located in a safety area. Further, the access protection system comprises an interlocking device 40 including a base body 42 and a blocking element 44 arranged on the base body, and the interlocking device 40 allows the blocking element 44 to be secured at a blocking position 50 by using a securing element 46.SELECTED DRAWING: Figure 2
Patent JP-2021117144-A (JP)
Title: Method and device for evaluating adhesion of unvulcanized rubber
Inventor: SATO EMI
IPC: G01N19/04
Filed: 2020-01-28
Abstract: To provide a method and device capable of simply and efficiently gasping secular change of adhesion resulting from the state of a target surface in a case where unvulcanized rubber contacts the target surface repeatedly.SOLUTION: A method for evaluating the adhesion of unvulcanized rubber comprises: repeatedly performing, using a large number of test specimens 9 in the same area without changing the position, a tensioning process of, after pressing the test piece 9 of the unvulcanized rubber against a predetermined area of a target surface 8a of a base 8, using a tension mechanism 2 to move at least one of the test piece 9 and the base 8 in a direction in which they are separated from each other, and applying tensile force in a vertical direction to a contact surface of the test piece 9 with the target surface 8a at a time to separate the test piece 9 from the predetermined area; and grasping the surface state of the predetermined area after the tensioning process for each test piece 9 by surface grasping means 12.SELECTED DRAWING: Figure 1
Patent JP-2021120200-A (JP)
Title: Printer, control method, and program
Inventor: MATSUSHIMA HIROKI
IPC: B41J21/00
Filed: 2020-01-30
Abstract: To execute proper printing when a user accidentally sets a printing medium.SOLUTION: It is determined that a recording medium is set in a first set part and that the recording medium is not set in a second set part. An image to be printed is not included in a first area for printing data, and the image to be printed is included in a second area. In this case, the printing data are edited so that the image to be printed, which is included in the second area, can be printed on the first set part and cannot be printed on the second set part.SELECTED DRAWING: Figure 17
Patent JP-2021058999-A (JP)
Title: Level for impact driver
Inventor: MARUYAMA KIYOSHI
IPC: B23B45/16
Filed: 2020-01-31
Abstract: To provide a level for an impact driver that is attached to an existing impact driver so as to be provided with a function of assisting drilling in a horizontal direction or in a vertical direction for instance.SOLUTION: A level, which is used in an impact driver T comprising a bit chuck part 4 constituted of an insertion part 2 into which a drill bit 1 can be inserted and fitted and a sleeve 3 for releasing-operation provided to be turnable with a shaft center of the drill bit 1 inserted and fitted into the insertion part 2 as a turning center, comprises fastening means 8 that is constituted of a base member 6 having a part 5 to be fitted which can be fittedly mounted on the sleeve 3 for releasing-operation of the bit chuck part 4 and an air bubble pipe part 7 for measurement, provided in the base member 6, which can measure levelness or verticality, where the part 5 to be fitted of the base member 6 is releasably fastened to the sleeve 3 for releasing-operation in a fitted state.SELECTED DRAWING: Figure 3
Patent JP-2021125286-A (JP)
Title: Gasket manufacturing method
Inventor: YUI HAJIME
IPC: H01M8/0284
Filed: 2020-01-31
Abstract: To provide a gasket manufacturing method capable of improving productivity.SOLUTION: A method for manufacturing a gasket 150 made of an elastic material which is formed on a bead 130 provided on a fuel cell separator 100 includes a first step of forming, on the bead 130 by using liquid rubber, a pair of first thin film layers 151 and 152 which will be a part of the gasket 150 so that the first thin film layers are spaced from each other in the width direction, and a second step of forming, between the pair of first thin film layers 151 and 152 by using liquid rubber, a second thin film layer 153 which will be a part of the gasket 150 so that the second thin film layer 153 overlaps with respective parts of the pair of first thin film layers 151 and 152.SELECTED DRAWING: Figure 3
Patent JP-2020097108-A (JP)
Title: Abrasive articles and methods for forming the same
Inventor: NILANJAN SARANGI
IPC: B24D3/18
Filed: 2020-02-06
Abstract: To provide abrasive articles capable of improving reduction in hardness of abrasives and possibility of corrosion of the abrasives.SOLUTION: An abrasive article is provided comprising a body including: a bond material comprising an inorganic material comprising a ceramic; and abrasive particles contained within the bond material, the abrasive particles comprising nanocrystalline alumina having an average crystallite size from about 0.06 microns or greater to about 0.13 microns or smaller, wherein the body comprises for a total volume of the body: 40 vol.% to 65 vol.% of the abrasive particles; 5 vol.% to 20 vol.% of the bond material; and 15 vol.% to 55 vol.% of a porosity.SELECTED DRAWING: Figure 1
Patent JP-2021125118-A (JP)
Title: Trolley wire theft monitoring system
Inventor: MAEKAWA HIDEJI
IPC: H02G1/06
Filed: 2020-02-07
Abstract: To suppress theft of a trolley wire at a lower cost.SOLUTION: A trolley wire theft monitoring system, having a plurality of trolley wires connected with each other and used in a railroad before practical use, includes a master device and one or more slave devices, including an acceleration sensor provided at a place at which vibration of the trolley wire can be detected. The slave device transmits measurement information showing a measurement result of the acceleration sensor or a content based on the measurement result to the master device.SELECTED DRAWING: Figure 5
Patent JP-2021128232-A (JP)
Title: Liquid crystal display device
Inventor: INA KEIICHI
IPC: G02F1/1337
Filed: 2020-02-13
Abstract: To suppress the deterioration in display quality due to a significant point of orientation in a liquid crystal display device in which each pixel includes a reflection region.SOLUTION: A liquid crystal display device 100 comprises a first substrate, a second substrate, and a liquid crystal layer, and has a plurality of pixels each including a reflection region where each pixel performs display in a reflection mode. The liquid crystal layer includes a chiral agent and a nematic liquid crystal material whose dielectric anisotropy is negative. The first substrate has a pixel electrode 11 provided in each pixel, and a first vertical alignment film. The second substrate has a counter electrode provided opposite to the pixel electrode, and a second vertical alignment film. Of the first and second vertical alignment films, only the second vertical alignment film has orientation regulating power that regulates the pre-tilt azimuth. The pixel electrode has a plurality of subpixel electrodes. The counter electrode has an opening 21a formed in a region corresponding to a corner of four corners of at least one subpixel electrode. The orientation direction of the liquid crystal molecule at a center in a thickness direction in the liquid crystal layer on the subpixel electrode faces the opening.SELECTED DRAWING: Figure 1
Patent JP-2021126984-A (JP)
Title: Electronic mirror device
Inventor: ASAI TOMOKA
IPC: B60R11/02
Filed: 2020-02-13
Abstract: To provide a technology that facilitates an occupant to recognize appearances other than a front view with an electronic mirror device installed in the sun visor.SOLUTION: An electronic mirror device installed in a vehicle includes an on-board camera 22, a display 24, a display control unit and a device-side communication unit. The on-board camera 22 images an occupant of the vehicle. The display 24 is installed in the sun visor of the vehicle. The display control unit controls the display 24 to display an image captured by the on-board camera 22 as a mirror image. The device-side communication unit is configured to be capable of communicating with an external device 3 including a camera 32. The display control unit controls the display 24 to display an image captured by the external device 3 together with a mirror image or instead of a mirror image.SELECTED DRAWING: Figure 2
Patent JP-2020133634-A (JP)
Title: System and method for controlling exhaust gas of spark ignition internal combustion engine of automobile
Inventor: GIANLUCA PIVETTI
IPC: F01N3/24
Filed: 2020-02-13
Abstract: To provide a system and a method, which can largely reduce a level of noxious emissions regardless of operation conditions of an engine.SOLUTION: A system for controlling exhaust gas of a spark ignition internal combustion engine of an automobile includes a secondary air feeding system 14 for feeding secondary air into an exhaust gas conduit 11 between a first exhaust gas treatment device 12 and a second exhaust gas treatment device 13. The secondary air feeding system for feeding secondary air is activated only when an engine load is greater than a predetermined load value and/or when an engine rotation speed is greater than a predetermined speed value. In this condition, an air-fuel ratio of the engine is kept at a value lower than the stoichiometric air-fuel ratio so as to feed the engine with a rich mixture. In one example, an electronic controller E is programed to control activation of the secondary air feeding system for feeding secondary air on the basis of a map as a function of values of an engine load and a rotation speed. The map is predetermined depending on characteristics of the engine.SELECTED DRAWING: Figure 1
Patent JP-2021127142-A (JP)
Title: Auxiliary member for food, and its arrangement method
Inventor: FUKUYAMA MUNEHIRO
IPC: B65D77/24
Filed: 2020-02-14
Abstract: To provide an auxiliary member for food with which, by only checking the identification display, misplacement can be easily detected even if there are unintended multiple layers.SOLUTION: An antibacterial sheet 100 is formed with quadrangular transparent OPP film and has an identification display 110 at the lower left corner. An identification display 100 displays one of the four straight lines: vertical straight line, straight line rotated 45 degrees to the right, straight line rotated 90 degrees to the right and straight line rotated 45 degrees to the left. When one antibacterial sheet 100 is placed on the food box, the identification display of the antibacterial sheet 100 is composed of one straight line. It is adsorbed and attached to a lower layer antibacterial sheet 100 (adjacent antibacterial sheet) and an antibacterial sheet 100X with two sheets overlapped is obtained, when misplaced on the food box, the identification display 110 of each antibacterial sheet 100 overlaps, the identification display of the antibacterial sheet 100X is composed of two straight lines. By simply looking at the identification label, it is easy to identify that the antibacterial sheets 100 are misplaced with multiple layers.SELECTED DRAWING: Figure 1
Patent JP-2021126442-A (JP)
Title: X-ray ct apparatus, x-ray high voltage apparatus, and tube voltage control method
Inventor: TAKANASHI KENSUKE
IPC: H05G1/58
Filed: 2020-02-17
Abstract: To reduce a fluctuation range of tube current in tube voltage modulation scan.SOLUTION: An X-ray CT apparatus includes an acquisition unit, a storage unit, a reception unit, a specification unit, and a control unit. The acquisition unit acquires a first tube voltage value and a second tube voltage value lower than the first tube voltage value when executing tube voltage modulation scan. The storage unit stores characteristic information on tube current and filament current for each tube voltage of an X-ray tube. The reception unit receives a first tube current value. The specification unit specifies a filament current value corresponding to the first tube current value in the first tube voltage on the basis of the characteristic information. The control unit executes control to execute tube voltage modulation scan on the basis of the filament current value.SELECTED DRAWING: Figure 2
Patent JP-2021127760-A (JP)
Title: Fuel pump control device
Inventor: HAYASHI FUMIYA
IPC: F02M63/00
Filed: 2020-02-17
Abstract: To provide a fuel pump control device capable of reducing an arithmetic processing load during high-speed rotation while suppressing pulsation increase or convergence delay of an actual rail pressure.SOLUTION: An ECU 80 as a fuel pump control device comprises an arithmetic section 81, a control section 82 and a determination section 83. The control unit 82 controls operation of an amount regulating valve 60 in accordance with a target discharge amount regardless of whether or not it is high speed rotation. During normal operation, the target discharge amount is calculated by the arithmetic section 81 each time a cam 30 is rotated at a predetermined angle (each-time calculation). During high-speed rotation, on the other hand, the target discharge amount is calculated by thinning timing each time the cam is rotated at the predetermined angle (thinning calculation). In calculation timing to execute the calculation without the thinning, the control section 82 calculates the target discharge amount for both discharge just after the calculation timing and discharge just after pause timing.SELECTED DRAWING: Figure 1
Patent JP-2021131699-A (JP)
Title: Information processing device and action mode setting method
Inventor: HONDA SHINICHI
IPC: G06F16/435
Filed: 2020-02-19
Abstract: To provide a technique related to an object such as a robot.SOLUTION: A feature acquisition unit 100 acquires feature data of a target person. A matching degree deriving unit 110 derives a matching degree between the feature data and the feature data of a registered user held in a feature amount database 120. An identification unit 130 determines that the target person is the registered user when the matching degree is equal to or higher than a first threshold value and that the target person is not the registered user when the matching degree is less than a second threshold value smaller than the first threshold value. An action management unit 140 sets an action mode of an action subject according to the matching degree.SELECTED DRAWING: Figure 3
Patent JP-2021132118-A (JP)
Title: Manufacturing method for semiconductor device
Inventor: SUGAWARA KENTA
IPC: H01L21/3065
Filed: 2020-02-19
Abstract: To provide a manufacturing method for a semiconductor device by which the etching selection ratio of a silicon-containing nitride layer with respect to a gallium-containing nitride layer can be improved without using fluorine-based gas.SOLUTION: A manufacturing method for a semiconductor device includes a step of generating etchant of gas containing a chlorine atom and a bromine atom, and a step of removing selectively a second nitride layer on a first nitride layer by the etchant. In the step of generating the etchant, the etchant is generated by plasma of the gas. In the step of removing selectively the second nitride layer, the irradiation of the second nitride layer and the first nitride layer with an ultraviolet ray is prevented. The step of removing selectively the second nitride layer includes a step of etching the second nitride layer under a first atmosphere with a first pressure that is lower than a first saturation vapor pressure of an Si compound containing an Si atom and the chlorine atom or the bromine atom included in the gas, and higher than a second saturation vapor pressure of a Ga compound containing a Ga atom and the chlorine atom or the bromine atom included in the gas.SELECTED DRAWING: Figure 14
Patent JP-2021130861-A (JP)
Title: PRODUCTION METHOD OF α+β TYPE TITANIUM ALLOY BAR MATERIAL
Inventor: MORI KENICHI
IPC: C22F1/18
Filed: 2020-02-21
Abstract: To provide a production method of an α+β type titanium alloy bar material having high fatigue strength while keeping good rolling nature.SOLUTION: A production method of an α+β type titanium alloy bar material includes in order: a first rolling step of heating an α+β type titanium alloy ingot to Tβ+30°C or higher and lower than Tβ+250°C and rolling the heated titanium alloy ingot for 70% or more area reduction; a holding step of holding the rolled titanium alloy at an average surface temperature of 800°C or higher and Tβ-50°C or lower for 2 minutes or more and 6 minutes or less; and a second rolling step of rolling the titanium alloy for 50% or more area reduction.SELECTED DRAWING: None
Patent JP-2020073359-A (JP)
Title: Printer control method
Inventor: KOBASHI MASARU
IPC: B41J2/01
Filed: 2020-02-24
Abstract: To provide a liquid discharge device which enables a retreat position of a maintenance member to be set to a proper position which is determined considering arrangement of a dray part.SOLUTION: A printer includes: an electrostatic transport part which supports a sheet transported along a transport path 20; a print head 141 having nozzles 142 which jet an ink to the sheet supported by the electrostatic transport part; a dry part 65 which dries the sheet by heating; and a cap 70 which forms a closed space 72. The cap 70 moves between a space formation position in which the cap 70 is disposed when forming the closed space 72 and a retreat position different from the space formation position. The retreat position of the cap 70 is further away from the dry part 65 than the space formation position.SELECTED DRAWING: Figure 3
Patent JP-2021132837-A (JP)
Title: Game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2020-02-27
Abstract: To provide a game machine capable of enhancing game amusement by improving the control of a state shift.SOLUTION: If a special display result which is different from a specific display result is displayed as a variable display result in a normal state, state control means of a game machine can perform control from the normal state to a special state on the basis of the special display result. The state control means can transmit a plurality of types of information including determination result information that can identify the control toward an advantageous state when determination means determines that the advantageous state is entered and special information that can identify the control toward a special state when the determination means determines that the special state is entered, to performance execution means. The performance execution means can execute read-ahead performance on the basis of the determination result information if the determination result information is received, and restricts execution of the read-ahead performance on the basis of the determination result information if the determination result information is received after the special information is received.SELECTED DRAWING: Figure 11-22
Patent JP-2020094802-A (JP)
Title: refrigerator
Inventor: SAKAGAMI RYOSUKE
IPC: F25D23/02
Filed: 2020-03-02
Abstract: To allow the inside of a storage chamber and the inside of a door pocket to be successfully photographed while a camera is fitted to a door.SOLUTION: A refrigerator according to an embodiment comprises: a storage chamber comprising a front opening part; first and second doors rotatably supported by hinge parts at left and right ends of the front opening part, and constituted as a double door type for opening/closing the front opening part; a camera provided inside the first door; and a door pocket provided inside the second door. No camera is provided inside the second door, and the camera can photograph the door pocket.SELECTED DRAWING: Figure 7