baber/WOPTO huggingface dataset:
Patent JP-2022013609-A (JP)
Title: Back trajectory tracking method, device, electronic equipment, storage media, and program
Inventor: ZHANG LIANCHUAN
IPC: B60W30/06
Filed: 2021-01-08
Abstract: To provide a back trajectory tracking method that is more flexible and has a wider range of application scenes.SOLUTION: The present invention discloses a back trajectory tracking method, device, electronic equipment, storage media, and program, and relates to the field of autonomous driving, especially, relates to the field of autonomous parking and the field of trajectory tracking. The back trajectory tracking method includes: acquiring vehicle position information and a reference trajectory of a vehicle; determining an error in a traveling direction and an error in a lateral direction of the vehicle with respect to the reference trajectory based on the position information and the reference trajectory of the vehicle; determining a desired front wheel steering angle of the vehicle based on the error in the traveling direction, the error in the lateral direction, and the speed of the vehicle; and adjusting the actual front wheel steering angle of the vehicle using the desired front wheel steering angle of the vehicle.SELECTED DRAWING: Figure 1
Patent JP-2022107978-A (JP)
Title: Washing method of reverse osmosis membrane and washing device of reverse osmosis membrane
Inventor: KIKUCHI KAI
IPC: B01D65/06
Filed: 2021-01-12
Abstract: To provide a washing method of a reverse osmosis membrane and a washing device of the reverse osmosis membrane which is excellent in washing property of the reverse osmosis membrane even while suppressing deterioration of the reverse osmosis membrane.SOLUTION: A washing method of a reverse osmosis membrane includes a washing process of washing the reverse osmosis membrane of a reverse osmosis membrane device 10 to which water to be treated is caused to flow to provide concentrate water and permeate water by using washing liquid. Therein, a stabilized hypobromous acid composition which contains a bromine-type oxidizing agent and a sulfamic acid compound in the washing liquid is caused to exist, pH of the washing liquid is in a range of 11 to 13 and the whole chlorine concentration of the washing liquid is 1 mg-Cl2/L or more.SELECTED DRAWING: Figure 1
Patent JP-2022111578-A (JP)
Title: Charged particle beam deflection device and particle beam radiotherapy
Inventor: YAMADA TAKAHIRO
IPC: G21K5/04
Filed: 2021-01-20
Abstract: To simplify a configuration of a charged particle beam deflection device for deflecting a charged particle beam.SOLUTION: A charged particle beam deflection device 2 includes coils 61A and 61B whose one ends are commonly connected to each other and which generate magnetic fields in different directions. The coils 61A and 61B are included in a scanning electromagnet for running a charged particle beam. The charged particle beam deflection device 2 includes an electromagnet control unit 70. The electromagnet control unit 70 switches an electric potential at each of a common connection end P2 of the coils 61A and 61B, an upper end P1 of the coil 61A, and a lower end P3 of the coil 61B.SELECTED DRAWING: Figure 4
Patent JP-2022114277-A (JP)
Title: Electrode holder and manufacturing method thereof
Inventor: INOUE DAISHI
IPC: G01F23/24
Filed: 2021-01-26
Abstract: To provide an electrode holder having a configuration in which an insulating member is interposed between conductive members, and which can ensure good sealing between the members.SOLUTION: An electrode holder that is fixed to a container and holds an electrode in the container is provided with: a conductive container mounting member that is formed in a roughly cylindrical shape with the top and bottom axial directions and fixed to the container; a conductive electrode shaft that extends up and down through the inside of the container mounting member and is arranged to prevent upward movement and to which the electrode is fixed; and a roughly cylindrical resin member that fills a gap inside the container mounting member. The resin member has a hollow filling section for filling a radially outward hollow provided in the container mounting member. The electrode holder does not have a point facing upward or obliquely upward on the inner circumferential surface above the lower end position of the hollow filling section.SELECTED DRAWING: Figure 2
Patent JP-2022114484-A (JP)
Title: shorts
Inventor: ISHII MAKIKO
IPC: A41B9/12
Filed: 2021-01-27
Abstract: To provide shorts which can comfortably be worn.SOLUTION: In shorts (1), a second crotch part (3) which is bridged from a front end to a rear end of a crotch part (23) and around which an absorbent pad (C) with an adhesion surface (C3) can be wrapped is provided inside the crotch part (23) of a shorts body (2). The second crotch part (3) is an absorbent member of a multilayer structure, in which a water absorbent layer (31) and a water resistant layer (33) are arranged in order from the inside. A pad holding layer (34) to which the adhesion surface (C3) of the absorbent pad (C) can be attached is further arranged as an outermost layer of the second crotch part (3). The pad holding layer (34) has a material which has an adhesiveness with the adhesion surface (C3) lower than the water resistant layer (33) and from which the absorption pad (C) can easily be removed.SELECTED DRAWING: Figure 3
Patent JP-2021075277-A (JP)
Title: Unmanned aircraft for spreading chemical liquid
Inventor: ICHIHARA KAZUO
IPC: B64D1/16
Filed: 2021-01-27
Abstract: To control an amount of a chemical liquid to be spread with high accuracy to uniformize the amount of the chemical liquid spread per unit area.SOLUTION: An unmanned aircraft for spreading a chemical liquid spreads a chemical liquid stored in a chemical liquid tank 24 to a pre-input spread object area 71 and includes: a control unit 57 which controls the unmanned aircraft so that the unmanned aircraft flies on a flight route set for the spread object area 71; and a flight control sensor group 55 which detects a wind direction and a wind speed during flight on the flight route in real time. The control unit 57 switches the flight route based on the wind direction and the wind speed detected by the flight control sensor group 55.SELECTED DRAWING: Figure 3
Patent JP-2021125878-A (JP)
Title: Transmission and reception of symbol in wireless communication system
Inventor: MICHELE LUVISOTTO
IPC: H04L47/6275
Filed: 2021-01-27
Abstract: To provide a method for preparing transmission of a physical-layer protocol data unit (PDU), a packet transmitter, a packet receiver, and a computer program.SOLUTION: A method includes detecting necessity of transmitting a second stream of symbols having higher priority than a first stream of symbols being transmitted from a packet transmitter to a packet receiver S102. The method further includes inserting a dedicated tag indicating a packet in which the first stream of symbols is pre-empted after the latest transmitted symbol in the first stream of symbols S104. The method further includes inserting a plurality of symbols in the second stream of symbols after the dedicated tag in order to transmit the second stream of symbols to the packet receiver S108.SELECTED DRAWING: Figure 4
Patent JP-2022116810-A (JP)
Title: sewing machine
Inventor: YAMAZAKI KAZUFUMI
IPC: D05B77/00
Filed: 2021-01-29
Abstract: To improve safety of a needle when a sewing machine is unattended during an operation, and to allow easy reference of information which becomes a model during the operation of the sewing machine.SOLUTION: A sewing machine includes: a sewing machine body part A which includes an arm part 10, a vertically movable needle bar 1 provided at the arm part 10, and a bed part 20 positioned below the arm part 10 and facing the needle bar 1; and a removable needle guard B which can cover the periphery of the needle bar 1 from the horizontal direction being placed on the bed part 20. The needle guard B has a slope part 21 on which a smartphone C can be flat-placed.SELECTED DRAWING: Figure 1
Patent JP-2021141575-A (JP)
Title: Error correction in optical network by stochastic shaping and symbol rate optimization
Inventor: KIM INWOONG
IPC: H04B10/516
Filed: 2021-02-03
Abstract: To provide an optical transmitter and a transmission method for stochastic shaping and symbol rate optimization.SOLUTION: A transmitter portion 600 includes multiple distribution matchers 604, multiple FEC encoders 606, multiple symbol mappers 607, multiple Nyquist filtering elements 608, and multiple frequency shift elements 609 for respective parallel streams generated by a serial/parallel converter 603. For each of subcarriers 1 to n, the transmitter portion 600 may perform symbol mapping and Nyquist filtering before frequency shift keying (FS) is applied. The outputs of multiple processing paths respectively including binary data representing various codewords are combined by a single subcarrier multiplexer 605 using subcarrier multiplexing for transmission to an optical receiver over optical transmission.SELECTED DRAWING: Figure 6A
Patent JP-2022120614-A (JP)
Title: Rush current prevention circuit, and method of controlling the same
Inventor: NAGANO MASAAKI
IPC: H02H9/02
Filed: 2021-02-05
Abstract: To perform control to prevent a rush current equal to or more than a predetermined value from flowing even when using a plurality of load devices, and control to prevent a current equal to or more than a constant value from flowing in the load devices.SOLUTION: A rush current prevention circuit for preventing a rush current flowing from a power supply to a load device via a connection line, comprises: a rush prevention resistor inserted into the connection line that reduces a current at start of the load device and applies the reduced current; a switch element connected in parallel with the rush prevention resistor; a current detector inserted into the connection line; and a control circuit that on/off-controls the switch element on the basis of a current value detected by the current detector. The control circuit performs control to turn on the switch element when the current value is less than a predetermined reference current, and performs control to turn off the switch element when the current value is equal to or more than the reference current.SELECTED DRAWING: Figure 1
Patent JP-2022121231-A (JP)
Title: Manufacturing method of cathode active material mixture and inspection method
Inventor: IKEDA TAKENORI
IPC: H01M4/139
Filed: 2021-02-08
Abstract: To provide a manufacturing method capable of obtaining a mixed state of high uniformity by appropriately evaluating a dispersion degree regardless of the presence/absence of flowability concerning a cathode active material mixture, and an inspection method therefor.SOLUTION: A manufacturing method includes: a mixing step of mixing a cathode active material particle, a conductive material particle and a dispersant; a pressing step of forming a pressed surface which is pressed on a result product of the mixing step with a pressing member; a dispersion degree acquiring step of acquiring a dispersion degree of the cathode active material particles and the conductive particles on the pressed surface; and a determination step of determining the success/failure of the dispersion degree acquired in the dispersion degree acquiring step according to a predetermined determination index. In a case where a determination result of the determination step is a success, the result product is determined as a cathode active material mixture and in a case where the determination result of the determination step is a failure, the result product is further processed in the mixing step, thereby manufacturing the cathode active material mixture mixing the cathode active material, the conductive material and the dispersant.SELECTED DRAWING: Figure 3
Patent JP-2021127949-A (JP)
Title: Anti-torpedo defense system
Inventor: FUKUNAGA MIKIO
IPC: F42B22/10
Filed: 2021-02-11
Abstract: To provide an underwater mine to defend a ship against a torpedo.SOLUTION: The invention provides an underwater mine with a net that clings to a torpedo and explodes. The underwater mine is attached and fixed to the net, and the net is opened underwater.SELECTED DRAWING: Figure 1
Patent JP-2022128279-A (JP)
Title: Billing holding apparatus, billing holding method, and billing holding program
Inventor: FUSHIIE SHOJI
IPC: G06Q30/04
Filed: 2021-02-22
Abstract: To provide a billing holding apparatus configured to register the amount held and issue bill data with the amount held and the amount to be actually billed in a buy-sell transaction, a billing holding method, and a billing holding program.SOLUTION: A billing holding apparatus includes: a sales acquisition unit which acquires sales data of charged supply materials supplied to a customer for buy-sell transaction; a deposit acquisition unit which acquires deposit data including the amount of deposit for the previous bill charged to the customer; a billing acquisition unit which acquires billing data charged to the customer from the previous due date to the latest due date, on the basis of the sales data and the deposit data; a billing holding acquisition unit which acquires billing holding data including the billing held, which is the amount to be paid for the supply materials not supplied yet, for the customer on the latest due date; and a bill acquisition unit which calculates the amount to be billed to the customer on the basis of the billing data and the billing holding data, to acquire bill data including the amount to be billed.SELECTED DRAWING: Figure 2
Patent JP-2021178948-A (JP)
Title: Porous membrane composed of polytetrafluoroethylene and/or modified polytetrafluoroethylene having high strength and small pore diameter
Inventor: MIYAMAE KOHEI
IPC: B29C44/36
Filed: 2021-02-26
Abstract: To provide a porous membrane including polytetrafluoroethylene and/or modified polytetrafluoroethylene having a small pore diameter, thin film thickness, high porosity, and high strength; and a method for manufacturing the same.SOLUTION: A porous membrane includes polytetrafluoroethylene and/or modified polytetrafluoroethylene and has a bubble point of isopropyl alcohol based on JIS K3832 of 600 kPa or more, and a tensile strength based on JIS K6251 of 90 MPa or more.SELECTED DRAWING: None
Patent JP-2022131195-A (JP)
Title: piercing method
Inventor: SASA HIROKI
IPC: B23K7/00
Filed: 2021-02-26
Abstract: To shorten a preheating time when piercing a steel plate.SOLUTION: According to a method for piercing a steel plate by a gas cutting tip in which a plurality of preheating gas jetting holes around a cutting oxygen spout located at a center, a tip 5 is separated from a piercing position P where a cutting oxygen spout 1 is previously set in a steel plate A by on a distance substantially corresponding to a dimension from the cutting oxygen spout 1 to a preheating gas jetting hole 2, and is located at a piercing preheating position Pp for performance of piercing preheating, a preheating gas is jetted from the preheating gas jetting hole 2 of the tip 5 at the piercing preheating position Pp, and the piercing position Pp is preheated by a preheating flame 3. After the piercing position Pp has been preheated, the tip 5 is moved so that the cutting oxygen spout 1 faces the piercing position P from the piercing preheating position Pp, and thereafter, cutting oxygen is jetted from the cutting oxygen spout 1 to perform piercing.SELECTED DRAWING: Figure 4
Patent JP-2022134723-A (JP)
Title: Jig and collision test method
Inventor: SATO MASAHIKO
IPC: G01M7/08
Filed: 2021-03-04
Abstract: To provide a jig for collision test capable of accurately evaluating impact absorption performance of a subframe.SOLUTION: A jig is used for a falling weight type collision test on a subframe, where the subframe is a subframe having a projection part for connecting with a side frame in a region on a front side. The above jig comprises a plate-shaped member attached to an end part of the subframe on the front side, and a guide member for restricting the planar movement of the plate-shaped member.SELECTED DRAWING: Figure 1
Patent JP-2022139584-A (JP)
Title: Sound damping material and method for manufacturing sound damping material
Inventor: NAOI YOSHIAKI
IPC: B62D25/18
Filed: 2021-03-12
Abstract: To provide a sound damping material superior in impact resistance and sound insulation and further superior in ice resistance and waterproofness.SOLUTION: The non-woven fabric surface including multiple entangled short fibers of a sound damping area 2 is exposed on the surface on the tire side and the opposite surface of a sound damping material 1, and the surface of a continuous resin area 3 is continuously exposed side by side and adjacent to the sound damping area. The sound damping area 2 is formed in this manner; therefore, there is no covering material on the top and back surfaces of the sound absorbing area 2, and sound absorbing performance of the sound absorbing area 2 is not reduced. Also, water absorbing performance is suppressed by the resin area 3, and thus ice resistance and waterproofness can be improved.SELECTED DRAWING: Figure 2
Patent JP-2022146246-A (JP)
Title: Corrugated pipe and composite pipe
Inventor: FUKAO YOICHI
IPC: F16L11/20
Filed: 2021-03-22
Abstract: To provide a corrugated pipe with a new configuration that has never existed before, and a composite pipe using the corrugated pipe.SOLUTION: A composite pipe 1 comprises a pipe body 11 as a water channel, and a corrugated pipe 12 as a protective pipe covering the outer periphery of the pipe body 11. The corrugated pipe 12 is formed into such a bellows shape that ridge parts 21 and trough parts 22 each having an outer diameter and an inner diameter smaller than those of the ridge parts 21 are alternately provided in an axial direction, where expansion and contraction in the axial direction is possible. The corrugated pipe 12 is made of closed-cell foamed polyethylene. The corrugated pipe 12 is composed only of a porous layer. Therefore, in the corrugated pipe 12, the porous layer is exposed radially outward, and the porous layer is also exposed radially inward, so that the porous layer and the pipe body 11 are in direct contact.SELECTED DRAWING: Figure 1
Patent JP-2022146713-A (JP)
Title: Moderately water-soluble glass, moderately water-soluble glass product, composition, and water quality improvement method
Inventor: AKETO TOSHIHARU
IPC: A01M29/34
Filed: 2021-03-22
Abstract: To provide moderately water-soluble glass that allows the elution of Cu and Zn ions for a long time.SOLUTION: Moderately water-soluble glass contains 40.0-75.0 mol% of SiO2, 5.0-38.0 mol% of K2O, 0.1-33.0 mol% of at least one selected from CuO and ZnO, and 28.0 mol% or less of R'O (R' is an alkaline-earth metal).SELECTED DRAWING: None
Patent JP-2021100602-A (JP)
Title: Game machine
Inventor: OSERA HIROAKI
IPC: A63F5/04
Filed: 2021-03-23
Abstract: To appropriately cope with a game play of a player while preventing a gambling nature from becoming excessively higher due to a too long continuation of an advantageous state.SOLUTION: When a first termination condition is established under an advantageous state, the advantageous state is terminated. When a second termination condition is established under an increasing advantageous state, the advantageous state is terminated. When both of the first and second termination conditions may be established in one game, one or both of the termination processes are executed. Signal processing means for the outside controls a prescribed signal at the termination under the first termination condition, and also controls the prescribed signal in a similar manner at the termination under the second termination condition. At winning of a specific combination permitting display of a specific symbol combination and a prescribed symbol combination, the player game cannot display the specific symbol combination but displays the prescribed symbol combination.SELECTED DRAWING: Figure 100
Patent JP-2022148994-A (JP)
Title: Heat exchanger and refrigeration cycle device
Inventor: KORESAWA RYOSUKE
IPC: F28D1/053
Filed: 2021-03-25
Abstract: To provide a heat exchanger capable of suppressing the number of components, and a refrigeration cycle device.SOLUTION: A heat exchanger has a heat exchange tube and a header. The heat exchange tube extends in a first direction, where a refrigerant flows therethrough. The header is connected to the end part of the heat exchange tube in the first direction, and has a refrigerant space flow path therein. The header has an intermediate plate, a first end plate, a second end plate, and a locking piece. The refrigerant space flow path is formed in the intermediate plate. The first end plate is arranged on one side of the intermediate plate in the first direction. The second end plate is arranged on the other side of the intermediate plate in the first direction. The locking piece rises from the first end plate to the other side in the first direction. The locking piece passes through an intermediate plate hole part formed in the intermediate plate and a second end plate hole part formed in the second end plate, and is arranged along the surface of the second end plate on the other side in the first direction.SELECTED DRAWING: Figure 4
Patent JP-2022151923-A (JP)
Title: game machine
Inventor: KITADA SHOHEI
IPC: A63F7/02
Filed: 2021-03-29
Abstract: To provide a game machine capable of enhancing player's motivation to play a game by increasing a degree of attention to the game and interest in the game.SOLUTION: A game machine 10 can execute a time-shortening game state having a high operation probability of an electric accessory 315b. The time-shortening state includes: an a-time-shortening game state that can be started after completion of a jackpot game; and a c-time-shortening game state that can be started when a jackpot lottery results in a time-shortening pattern stop losing. The game machine 10 executes a RUSH performance for showing that an operation probability of the electric accessory 315b is high and a jackpot game easily occurs when control is shifted to an a-time-shortening game state. An image capable of identifying a reservation number of a second special pattern game is displayed during execution of a RUSH performance. When control is shifted to a c-time-shortening game state during execution of a RUSH performance, a time-shortening game round display (performance) for showing the number of remaining special pattern games executable in a c-time-shortening game state is executed after completion of a RUSH performance, and an image capable of identifying a reservation number of a first special pattern game is displayed.SELECTED DRAWING: Figure 224
Patent JP-2022152365-A (JP)
Title: Step-up converter device
Inventor: YAMAMOTO KAZUNARI
IPC: H02M3/155
Filed: 2021-03-29
Abstract: To suppress application of a surge voltage to a switching element.SOLUTION: A step-up converter device comprises: a step-up converter formed from parallel connection of a plurality of booster circuits including an upper arm containing a diode, a lower arm containing a switching element, and a reactor connected to connection points of the upper and lower arms and a power generator; and a controller that controls the switching elements of the plurality of booster circuits. The reactors of the plurality of booster circuits are magnetically coupled. The controller executes synchronous drive control so as to control the switching elements of the plurality of booster circuits to ON/OFF simultaneously when a stop command for the power generator is given.SELECTED DRAWING: Figure 2