baber/WOPTO huggingface dataset:
Patent JP-2022150663-A (JP)
Title: Movable constriction prevention mechanism for lifting device
Inventor: TERASAWA YUICHI
IPC: B66F7/06
Filed: 2021-03-26
Abstract: To provide a movable constriction prevention mechanism for a lifting device capable of preventing a part of a body from entering between a shallow pit and the lifting device.SOLUTION: A movable constriction prevention mechanism for a lifting device corresponding to a lifting device 100, which is stored in a pit 20 provided on a floor surface 10 of a factory, includes a constriction prevention plate 130 provided along an inner wall surface of the pit 20, and a cylinder 135 for lifting/lowering the constriction prevention plate 130. The projection height of the constriction prevention plate 130 is lower than the height of the lifting device 100 when an upper table 101 of the lifting device 100 is positioned at a lower end. When the upper table 101 is positioned at the lower end, a top surface of the constriction prevention plate 130 is pressed with a lower surface of the upper table 101 so that the constriction prevention plate 130 is stored inside the pit 20. When the upper table 101 is positioned at an upper end, the constriction prevention plate 130 is pushed up by the cylinder 135 to be raised to the upper end position.SELECTED DRAWING: Figure 3
Patent JP-2022152370-A (JP)
Title: Method of producing colloidal silica, and colloidal silica
Inventor: OYAMA RYUICHI
IPC: C09K3/14
Filed: 2021-03-29
Abstract: To provide a method of producing colloidal silica good in dispersion stability without having an amine-based stabilizer, and particularly favorable for mechano-chemical polishing.SOLUTION: A method of producing colloidal silica excellent in dispersion stability having substantially no amine-based stabilizer comprises: reacting easily hydrolyzable organosilicate in the presence of a hydrolysis catalyst composed of a mixture of one or two or more selected from the group consisting of a quaternary ammoniums, amino alcohols, morpholines, and piperazines; thereafter removing alcohol generated from the easily hydrolyzable organosilicate; then obtaining a reaction concentration product stabilized in dispersion by an acid; and bringing the reaction concentration product into contact with a cation exchange resin to remove the hydrolysis catalyst, where the colloidal silica has an absolute value of zeta potential of 4 mV or higher.SELECTED DRAWING: Figure 1
Patent JP-2022155656-A (JP)
Title: handle
Inventor: KOJIMA FUMIYASU
IPC: B62D1/06
Filed: 2021-03-31
Abstract: To provide a handle with an excellent handling workability for a harness connected to a display device.SOLUTION: A handle 1 comprises: a handle main body including a grip 2 that is gripped when a steering operation is given; and a display device 55 placed at a position visible from a driver at the grip. The display device is configured to be attached to an attachment portion provided at the grip, and is configured to be able to connect a harness 25 running from the handle main body. The harness includes a harness side connector 27 connected to a display device side connector 64 at a tip side exposed from a portion having a surface side covered with an external layer that covers the surface of the grip. A holder 45 capable of holding an exposed portion 28 exposed from the external layer in the harness from the basal end side toward the tip side where the harness side connector is wired is formed at the display device side or at the attachment portion side.SELECTED DRAWING: Figure 2
Patent JP-2022075465-A (JP)
Title: Magnetic balance circuit of bidirectional resonance converter and control method thereof
Inventor: FENG YINGYING
IPC: H02M3/28
Filed: 2021-04-02
Abstract: To effectively eliminate the magnetic deviation phenomenon on both sides of a bidirectional resonant converter to achieve balanced control of a magnetic circuit, thereby avoiding saturation and eliminating the DC isolation capacitor of the secondary loop to reduce the volume of and cost of equipment.SOLUTION: In a bidirectional resonance converter, a magnetic balance circuit of the bidirectional resonance converter includes a primary side conversion circuit, a transformer, a secondary side conversion circuit, and a controller. The primary side conversion circuit is connected to a primary winding W1 of the transformer via a first capacitor C1, and a current transformer is provided between the secondary winding of the transformer and the secondary side conversion circuit. Due to the positive component Ipositive of a current in the cavity of the secondary side conversion circuit detected in the current transformer and the negative component Inegative of the current in the cavity of the secondary side conversion circuit, the controller further controls the duty ratio of a switch of the secondary side conversion circuit.SELECTED DRAWING: Figure 3
Patent JP-2022159700-A (JP)
Title: Lighting monitoring and control system, master station, slave station, and communication method
Inventor: SATO TAKAKAZU
IPC: H04B3/54
Filed: 2021-04-05
Abstract: To provide a lighting monitoring and control system with improved responsiveness at low cost.SOLUTION: A lighting monitoring and control system includes a master station and a slave station. The master station communicates with the slave station via a power line for supplying power to airport lights. The slave station is connected to the power line via a transformer. The transformer is connected to a power line on the primary side thereof, and supplies power extracted from the secondary side to the lights connected to the slave station. The master station includes a modulation unit and an injection unit. The modulation unit modulates a carrier signal with a code of a plurality of bits according to a modulation scheme representing a symbol by a combination of a frequency shift and a phase shift to generate a modulated signal. The injection unit injects the modulated signal into the power line in synchronization with the power supply cycle of the power. The slave station includes a receiver and a demodulator. The receiver receives a modulated signal from the power waveform on a secondary side of the transformer. The demodulator demodulates the received modulated signal to reproduce the code.SELECTED DRAWING: Figure 2
Patent JP-2022159744-A (JP)
Title: Pump unit
Inventor: HIGUCHI YUICHI
IPC: F04B23/02
Filed: 2021-04-05
Abstract: To apply a pump unit to various facilities easily.SOLUTION: A pump unit 100 includes: a tank 10 in which a working fluid is stored; and a pump part 20 which is rotationally driven by a motor 5 and suctions and discharges the working fluid. The tank 10 has: a housing 11 which has a window part 12, allowing the interior and the exterior to communicate with each other, and houses the pump part 20; and a rubber membrane 15 which is attached to the housing 11 so as to cover the window part 12 and expands or contracts in response to the pump part 20 suctioning or discharging the working fluid from the tank 10.SELECTED DRAWING: Figure 2
Patent JP-2022161069-A (JP)
Title: Magnetic component and power converter
Inventor: HINO AKIHIRO
IPC: H01F27/30
Filed: 2021-04-08
Abstract: To provide a technique for allowing making a magnetic component, in which a gap is provided in a core and a winding is formed by a wiring pattern, thinner, and at the same time reducing leaking of magnetic flux intersecting the wiring pattern.SOLUTION: There is provided a magnetic component 1A including a core 20, a board 30A and a shielding member 40 configured to shield against magnetism. The core 20 includes a first core material 22 and a second core material 26. The second core material 26 is arranged via a gap 28 with respect to the first core material 22. The board 30A has a through hole 32b in which a third member 22b of the first core material 22 is inserted. The board 30A is provided with a wiring pattern 34 that wraps around the through hole. In plan view of the board 30A, the shielding member 40 covers all of the wiring pattern 34. The shielding member 40 is insulated from the wiring pattern 34 and the core 20.SELECTED DRAWING: Figure 2
Patent JP-2022162574-A (JP)
Title: Underwater cutting device and underwater cutting method of nuclear reactor apparatus
Inventor: KITAHARA TAKASHI
IPC: G21F9/30
Filed: 2021-04-13
Abstract: To provide an underwater cutting device and an underwater cutting method of a nuclear reactor apparatus capable of easily moving a band saw into water or onto water.SOLUTION: An underwater cutting device 10 of a nuclear reactor apparatus of the present invention includes: a traveling rail 16 attached to a periphery of a pool 12 adjacent to a nuclear reactor of a nuclear power plant; a traveling frame 20 that is arranged on the traveling rail 16 so as to cross the pool 12 and travels on the pool 12; a rotary table 50 that is mounted in the pool 12 and on whose upper surface a nuclear reactor apparatus 11 is mounted and rotated; and a band saw 60 for cutting, with a saw blade, the nuclear reactor apparatus 11 that is mounted on the rotary table 50 in the pool 12 that is mounted so as to be movable up and down in a water depth direction of the pool 12 from the traveling frame 20 and filled with water.SELECTED DRAWING: Figure 1
Patent JP-2022163407-A (JP)
Title: game machine
Inventor: KOMIYA HOMARE
IPC: A63F7/02
Filed: 2021-04-14
Abstract: To provide a game machine in which the position of a specific game ball entry port is easy to find.SOLUTION: When executing a specific game (big winning game, round game) in which a game ball enters big winning ports 300 and 350 (specific ball entry ports), decorative LEDs 5a and 5b (light emitters) that illuminate the periphery of the big winning ports 300 and 350 emit light in a predetermined light emission mode and a ball entry port light emission performance is executed in which a light emission-related image 750 associated with the light emission is displayed on a display screen 7a. Therefore, when a specific game is executed, a player can confirm the position of the big winning port that the game ball should enter by visually recognizing the ball entry port light emission performance. Thereby, it makes it easy for a player to find the position of the big winning port according to the execution (start) of the specific game.SELECTED DRAWING: Figure 56
Patent JP-2022163867-A (JP)
Title: Wiring board, module, wiring board manufacturing method, and module manufacturing method
Inventor: HOSODA SHOTARO
IPC: H05K1/02
Filed: 2021-04-15
Abstract: To provide a wiring board, a module, a wiring board manufacturing method, and a module manufacturing method, capable of improving electric connectivity between a power supply line and a power supply unit.SOLUTION: A wiring board 10 comprises: a board 11; a mesh wiring layer 20 that is disposed on the board 11 and includes a plurality of wiring lines 21; a power supply unit 40 electrically connected to the mesh wiring layer 20; and a protective layer 17 that is disposed on the board 11 and covers the mesh wiring layer 20 and the power supply unit 40. The board 11's transmittance of light having a wavelength equal to or longer than 400nm and equal to or shorter than 700nm is 85% or more. The protective layer 17's thickness T2 is equal to or longer than 0.05 μm and equal to or shorter than 1.8 μm. Pencil hardness of a surface of the protective layer 17 is equal to or harder than B and equal to or softer than 2H.SELECTED DRAWING: Figure 4
Patent JP-2022164959-A (JP)
Title: Martensitic stainless-steel knife
Inventor: KONO MICHIO
IPC: C22C38/00
Filed: 2021-04-19
Abstract: To provide a martensitic stainless-steel knife that has sufficient corrosion resistance while maintaining its sharpness.SOLUTION: A knife is composed of a martensitic stainless steel comprising, in mass%, C: 0.75 to 0.84%, Si: 0.25 to 0.45%, Mn: 0.65 to 0.75%, P: 0.035% or less, S: 0.010% or less, Cr: 17.00 to 19.00%, Ni: 0.30% or less, Cu: 0.25% or less, Mo: 1.50 to 1.90%, W: 0.40% or less, V: 0.20 to 0.40%, Co: 0.30% or less, Al: 0.20% or less, N: 0.16 to 0.25%, with the balance being Fe and unavoidable impurities, and satisfying C+N≥1.00%.SELECTED DRAWING: Figure 1
Patent JP-2022167666-A (JP)
Title: Information processing device, information processing method, and information processing program
Inventor: YAMAMOTO TAKAYUKI
IPC: G06Q30/02
Filed: 2021-04-23
Abstract: To support the sale of advertisement commodities to an advertiser.SOLUTION: An information processing device comprises a purchase amount estimation unit and a determination unit. The purchase amount estimation unit estimates an anticipated advertising cost, which is an anticipated amount of an advertising cost paid by a target advertiser, from information on the target advertiser using a purchase amount estimation model in which information of an advertiser whose advertising cost of prescribed conditions satisfying the prescribed conditions has been learned as correct answer data. The determination unit determines whether or not the anticipated advertising cost estimated by the purchase amount estimation unit deviates from an actual advertising cost about the target advertiser on the basis of the anticipated advertising cost and an actual advertising cost, which is actual achievement of the advertising cost received from the target adviser.SELECTED DRAWING: Figure 1
Patent JP-2022027455-A (JP)
Title: Communication device, communication method, and communications system
Inventor: SUGIYAMA JUNICHI
IPC: H03M13/29
Filed: 2021-04-26
Abstract: To reduce power consumption of a communication system transmitting data using a multilevel code.SOLUTION: A communication device includes a modulator, a first encoder, and a second encoder, and generates a modulation signal in QAM on which a plurality of bits are allocated to each symbol. The modulator generates a modulation signal by mapping each symbol of a data frame in which transmission data, a first code, and a second code are included to a signal point of orthogonal amplitude modulation arranged in a two-dimensional way. The first encoder generates the first code by coding transmission data in a first coding system. The second encoder generates the second code by coding a bit sequence configured with a predetermined bit within a plurality of bits arranged to each symbol of the data frame, in a second coding system. The modulator performs mapping so that a value of the predetermined bit is mutually different between neighboring signal points.SELECTED DRAWING: Figure 8
Patent JP-2022168515-A (JP)
Title: Assembling fixture and fixture set provided therewith
Inventor: SAKAI MASATOMO
IPC: E06B3/72
Filed: 2021-04-26
Abstract: To provide an assembling fixture and a fixture set provided therewith, allowing various appearances to be exhibited and allowing stability to be secured even upon motion such as opening and closing.SOLUTION: The present invention discloses an assembling fixture surrounded by four frames and having fitting grooves extending along end surfaces of the frames facing its insides surrounded by the frames, the assembling fixture provided with a plurality of board members placed inside and joint members jointing the plurality of board members, wherein at least one of four frames is detachable to place the board member inside, an end surface forming the outer periphery of the board member is fitted in the fitting groove or joined on an end surface of another board member, end surfaces of the board members to be joined are respectively provided with insertion grooves facing each other. Inserting the joint members into the insertion grooves allows the board members to be joined through the joint members.SELECTED DRAWING: Figure 1
Patent JP-2022171159-A (JP)
Title: antibacterial nonwoven fabric
Inventor: SAKURABA MAIKO
IPC: D04H13/00
Filed: 2021-04-30
Abstract: To provide an antibacterial nonwoven fabric having high antibacterial properties and being excellent in persistence of the antibacterial effect.SOLUTION: An antibacterial nonwoven fabric containing an inorganic antibacterial agent satisfies the following formula (1), when in a cross section of the fiber constituting the antibacterial nonwoven fabric, an area occupied by the inorganic antibacterial agent in an area to a two-thirds depth from the outer periphery to the center is represented by Sa, and an area occupied by the inorganic antibacterial agent in the whole cross section is represented by Sb: 0.2≤Sa/Sb≤0.95 ... Formula (1).SELECTED DRAWING: None
Patent JP-2022177622-A (JP)
Title: Earth removal tool, earth removal device, and earth removal method
Inventor: IWAMOTO YASUSHI
IPC: E02D27/34
Filed: 2021-05-18
Abstract: To solve the problem of drawing in earth and sand outside a reinforcement steel plate and to provide an earth removal tool of an earth removal device, an earth removal device, and an earth removal method having good workability in final stage earth removal work and being able to cleanly remove earth and sand at corners and at the bottom of the reinforcement steel plate.SOLUTION: An earth removal tool of an earth removal device for removing earth and sand from a gap between a reinforcement steel plate and an existing columnar structure when press-fitting the reinforcement steel plate around the existing structure has a cylindrical earth removal tool body with upper and lower ends opened, and an injection port for injecting compressed gas formed in a side plate of the earth removal tool body. A suction cutout for sucking in earth and sand is formed in the vertical direction on the front plate on the side of the existing structure of the earth removal tool body. On the opposite side back plate, no cutout is formed as the lower end is linearly lowered from the upper end of the suction cutout.SELECTED DRAWING: Figure 2
Patent JP-2021120020-A (JP)
Title: Game machine
Inventor: TSUCHIYA YOSHITAKA
IPC: A63F7/02
Filed: 2021-05-19
Abstract: To provide a game machine contributing to improvement of interest of a game through a performance.SOLUTION: A game control microcomputer 101 can perform a jackpot game. A performance control microcomputer 121 can execute title change notice for changing a color of a title character, and can execute special character notice for allowing a special character to appear, in parallel with the title change notice. When the title change notice and the special character notice are performed in parallel, the color of the title character is sometimes changed in company with action of the special character.SELECTED DRAWING: Figure 24
Patent JP-2022182031-A (JP)
Title: Inkjet ink and inkjet recording method
Inventor: KARIYA TOSHIHIRO
IPC: B41J2/01
Filed: 2021-05-27
Abstract: To provide an inkjet ink and an inkjet recording method that can form an ink film having high adhesion to a glass substrate.SOLUTION: An inkjet ink contains inorganic oxide, a silane coupling agent, a polymerizable monomer, and a polymerization initiator. The content of the inorganic oxide is 15 mass%-35 mass% relative to the total amount of the inkjet ink. The mass ratio of the content of the silane coupling agent to the content of the inorganic oxide is 0.1 or more. There is also provided an application thereof.SELECTED DRAWING: None
Patent JP-2022184439-A (JP)
Title: robot
Inventor: UEGAKI SHUNPEI
IPC: B25J13/08
Filed: 2021-06-01
Abstract: To provide a robot capable of imaging a rear face of an article as an imaging target by inverting the orientation of the article at high speed and safely.SOLUTION: A robot includes a robot shell, a hand part, an arm part and a control part. The hand part has a fixing frame fixed to the arm part, a first camera mounted on the fixing frame, a movable frame rotatable to the fixing frame, a gripping part mounted on the movable frame and gripping an article, and a drive part for rotating the movable frame. The gripping part grips the article in a state that a rear face opposite to a front face confronting the robot is opened, and moves from a first state of gripping the article to a second state of permitting imaging the rear face of the article by the first camera due to the rotation of the movable frame.SELECTED DRAWING: Figure 2
Patent JP-2022185186-A (JP)
Title: Software testing device and software testing method
Inventor: KURUMA HIRONOBU
IPC: G06Q50/10
Filed: 2021-06-02
Abstract: To verify validity of a prediction model created by machine learning with appropriate precision and efficiency.SOLUTION: A software testing device 100 includes: a storage 201 for holding a prediction model; and an arithmetic unit 202 that receives input of a presupposition condition, a restriction condition, and an approximate threshold, converts a prediction model to a logical expression, analyzes an approximate range on the basis of the approximate threshold for the logical expression and simplifies the logical expression, combines the simplified logical expression with negation of the presupposition condition and restriction condition and generates an inspection expression, searches for a value for satisfying the inspection expression as a counterexample, inputs the counterexample into the prediction model when it exists and evaluates inspection precision, and outputs the result.SELECTED DRAWING: Figure 2
Patent JP-2022185206-A (JP)
Title: Transplanting machine
Inventor: HAYASHIDA JUNICHI
IPC: A01B69/00
Filed: 2021-06-02
Abstract: To provide a transplanting machine including a control unit capable of executing automatic linear motion control, and in which the timing of starting execution of the automatic linear motion control can be grasped by an operator with allowance, and thereby various operations in work traveling can be performed more reliably.SOLUTION: A transplanting machine includes a traveling machine body, a planting work machine, a lifting/lowering cylinder, a planting clutch, a position information acquisition unit, a steering unit for controlling the steering operation of the traveling machine body, and a control part. The control part is configured to be able to execute straight traveling control for controlling the steering unit so that the traveling machine body may perform straight traveling when performing the planting work to a field surface by the planting work machine. The straight traveling control is configured to execute steering control with the steering unit after a preset predetermined allowable time elapses from when the planting clutch is switched from a disconnected state to a connected state.SELECTED DRAWING: Figure 12
Patent JP-2022188689-A (JP)
Title: Space input system
Inventor: UCHIYAMA KEISUKE
IPC: G06F3/0346
Filed: 2021-06-09
Abstract: To downsize, with a reduced manufacturing cost, a space input system which allows input operations by touching a projected aerial video.SOLUTION: The present invention is directed to a space input system for projecting a two-dimensional aerial video in space to allow a user to carry out an input operation by moving the user's fingers as if the user touches the aerial video. The space input system is characterized by having an aerial video projecting apparatus for projecting the aerial video, a plurality of distance sensors having a light source and a light receiving device and provided such that light is emitted from the light source to the aerial video and reflected light thereof is received by the light receiving device to output a signal corresponding to a distance to the finger of the user operating the aerial video, and a position specifying unit for specifying a position of the finger of the user operating the aerial video based on the signal output from the plurality of distance sensors. The plurality of distance sensors is installed so as to emit light from the back side of the aerial video and the irradiation ranges of the light source overlap with one another on the aerial video.SELECTED DRAWING: Figure 1