baber/WOPTO huggingface dataset:
Patent JP-2021135116-A (JP)
Title: Angle detection device and control device for rotary electric machine
Inventor: FURUKAWA AKIRA
IPC: G01D5/245
Filed: 2020-02-26
Abstract: To provide an angle detection device capable of reducing an angle deviation due to an eddy current generated in a conductor arranged near a magnetic sensor and an angle deviation due to a response delay of an output circuit of the magnetic sensor, and provide a control device for a rotary electric machine equipped with the angle detection device.SOLUTION: An angle detection device is provided, in which the arrangement shape of a conductive member 3, the arrangement shape of a magnetic sensor 2, and the time constant of a response delay of an output circuit of the magnetic sensor 2 are set so that a relation: |Be_amp/Bm_amp-δ|≤K is satisfied, in which Be_amp is the basic wave amplitude of the density of an eddy current magnetic flux generated by an eddy current of the conductive member 3 and interlinking the magnetic sensor 2, Bm_amp is the basic wave amplitude of the density of the magnetic flux of a magnet 1 interlinking the magnetic sensor 2, δ is the time constant, and K is an angle deviation tolerance.SELECTED DRAWING: Figure 1
Patent JP-2021139311-A (JP)
Title: Pump device
Inventor: KAWASAKI HIROYUKI
IPC: F04D13/06
Filed: 2020-03-03
Abstract: To provide a pump device that eliminates the need of a shaft seal device such as a mechanical seal.SOLUTION: A pump device includes: an electric motor 1 with a watertight structure; a rotation shaft 3 connected to the electric motor 1; an impeller 5 fixed to the rotation shaft 3; a pump casing 7 for accommodating the electric motor 1, the rotation shaft 3 and the impeller 5 therein; and a suction port 10 and a discharge port 11 which are connected to the pump casing 7. The electric motor 1 and the impeller 5 are positioned between the suction port 10 and the discharge port 11.SELECTED DRAWING: Figure 1
Patent JP-2021144598-A (JP)
Title: Two-factor authentication system, two-factor authentication method, two-factor authentication program, and authentication operation application
Inventor: USHIYAMA DAISUKE
IPC: G06F21/31
Filed: 2020-03-13
Abstract: To provide a two-factor authentication system, two-factor authentication method, two-factor authentication program, and authentication operation application that improve security by two-factor authentication, while alleviating a burden on users.SOLUTION: In a two-factor authentication system, an authentication server 2 is configured to generate an arbitrary authentication code in response to an authentication request from a cloud service server 3. The authentication server 2 is configured to transmit the authentication code to a client terminal 1. The client terminal is configured to transmit an authentication code attached with an electronic signature to the authentication server 2. The authentication server 2 is configured to measure lapse time from time when the authentication request is acquired, or lapse time from time when the authentication operation information is acquired from the client terminal 1, and perform second authentication processing on the basis of the authentication code acquired from the client terminal 1 and a stored authentication code. The authentication server 2 is configured to, when the lapse time is within prescribed time, send out a result of the second authentication processing to the cloud service server 3.SELECTED DRAWING: Figure 1
Patent JP-2021147768-A (JP)
Title: Building material connecting work method
Inventor: YAMAGAMI SHIGEO
IPC: E06B1/60
Filed: 2020-03-16
Abstract: To provide a building material connecting work method capable of implementing a work to make a connecting member of a building material connector face the other building material side by rotating around a central axis disposed on one of two building materials and a work to connect the connecting member to the other building material with a coupling by improving workability.SOLUTION: A building material connector 20 for connecting two building materials disposed to be spaced away from each other is disposed between a building material such as a door frame 2 and a building material such as a skeleton side building material and connects these building materials. The building material connector has a central axis 24 disposed on one of two building materials and at least one connecting member 21 that can rotate around the central axis, and implements a work to connect the connecting member to the other building material with a coupling while pressing the connecting member by an operation tool 60 after rotating the connecting member around the central axis by the operation tool 60 so as to make the connecting member face the other building material side of two building materials.SELECTED DRAWING: Figure 29
Patent JP-2021147175-A (JP)
Title: Sheet conveyance device and image formation apparatus
Inventor: MATSUOKA TATSURO
IPC: B65H29/52
Filed: 2020-03-19
Abstract: To reduce impact sound due to a rear end curling that occurs because a rear end of a sheet pressed against a conveyance guide is suddenly repelled when the rear end of the sheet deformed into a waveform shape conveyed in a bent second conveyance path passes through a merging position where the bent second conveyance path merges with a first conveyance path.SOLUTION: A recording sheet 5 on which an unfixed toner image is fixed by a fixation device is discharged by a sheet discharge roll pair 61 through a linear discharge conveyance path 62. A recording sheet 5 that is discharged with the front and back inverted among the recording sheets 5 on which the unfixed toner images are fixed by the fixation device is discharged through a bent discharge conveyance path 66. At that time, a rear end 5a of the recording sheet 5 deformed into the waveform shape by the sheet discharge roll pair 61 and conveyed along the bent discharge conveyance path 66 is guided to the linear discharge conveyance path 62 by a support film 80.SELECTED DRAWING: Figure 8
Patent JP-2021146902-A (JP)
Title: Vehicle braking device
Inventor: YOGO KAZUTOSHI
IPC: B60T13/138
Filed: 2020-03-19
Abstract: To provide a vehicle braking device having a new configuration that can appropriately generate a braking force even when the device fails or a liquid leak occurs.SOLUTION: The present invention comprises: a first hydraulic pressure output unit 31 which is connected to a master chamber 41a via a first liquid passage 51 and outputs hydraulic pressure to first wheel cylinders 81, 82 based on the hydraulic pressure of the first liquid passage 51; a hydraulic pressure generation unit 2 for generating hydraulic pressure independently of the master cylinder 41; a second hydraulic pressure output unit 32 which is connected to the hydraulic pressure generation unit 2 via a second liquid passage 52 and outputs hydraulic pressure to second wheel cylinders 83, 84 based on the hydraulic pressure of the second liquid passage 52; a normal-close type communication control valve 61 which is provided in a communication passage 53 connecting between the first liquid passage 51 and the second liquid passage 52 and opens and closes the communication passage 53; and a normal-open type master cut valve 62 which is provided closer to the master cylinder 41 side than a connection part 50 with the communication passage 53 in the first liquid passage 51.SELECTED DRAWING: Figure 1
Patent JP-2021149661-A (JP)
Title: Program, file update method, and information processing apparatus
Inventor: OSADA KOICHI
IPC: G06F21/62
Filed: 2020-03-19
Abstract: To improve convenience of operation to update a file that is encrypted or compressed.SOLUTION: A program is for causing a computer to execute a first step of receiving designation of an encryption file to be updated, a second step of acquiring the designated encryption file, a third step of decrypting the acquired encryption file to create a temporary file, a fourth step of specifying an application program for updating the temporary file, a fifth step of opening the temporary file with the specified application program, and a sixth step of, when the temporary file is updated, encrypting the temporary file and updating the encryption file with the encrypted temporary file.SELECTED DRAWING: Figure 2
Patent JP-2020186466-A (JP)
Title: Woven carbon fiber reinforced steel matrix composites with unreinforced regions
Inventor: MICHAEL PAUL LAW
IPC: C22C1/10
Filed: 2020-03-19
Abstract: To provide woven carbon fiber reinforced steel matrix composites with unreinforced regions that facilitate post-production deformation at desired locations.SOLUTION: Composite materials 100 include a steel matrix 110 with reinforcing carbon fiber 120 integrated into the matrix, and having unreinforced regions suitable for stamping or other deformation. The composite materials have substantially lower density than steel, and are expected to have appreciable strength within regions having the reinforcing carbon fiber, while having greater deformability in unreinforced regions. Methods for forming composite steel composites include combining at least two laterally spaced reinforcing carbon fiber components, such as a carbon fiber weave, with steel nanoparticles, and sintering the steel nanoparticles in order to form a steel matrix with reinforcing carbon fiber integrated therein, and unreinforced regions located in the lateral spaces between carbon fiber components.SELECTED DRAWING: Figure 1A
Patent JP-2021153415-A (JP)
Title: Crop harvesting vehicle
Inventor: YUMITATSU TAKESHI
IPC: A01D67/00
Filed: 2020-03-25
Abstract: To provide a crop harvesting vehicle in which a container for storing crops harvested by a crop harvesting device, is held on one side on right and left sides in a vehicle lateral direction of a vehicle body, and capable of facilitating achievement of proper vehicle body weight balance in a crop harvesting vehicle.SOLUTION: There is provided a carrot harvesting vehicle in which a container 310 for storing carrot harvested by a carrot harvesting device 100 is provided on a right side in a vehicle lateral direction of a vehicle body 10, and the carrot harvesting vehicle has a balance weight member 400 which is held to the left side in the vehicle lateral direction. The balance weight member 400 is slidably held in the vehicle lateral direction.SELECTED DRAWING: Figure 1
Patent JP-2021156668-A (JP)
Title: Measurement device and dust-proof method of measurement device
Inventor: TSURUOKA MASAYOSHI
IPC: H05K7/20
Filed: 2020-03-26
Abstract: To provide a measurement device and a dust-proof method of the measurement device, which can precisely measure and manage spectral distribution, luminance, chromaticity and correlation color temperature, and the like.SOLUTION: In a measurement device and a dust-proof method of the measurement device, second space 2, in which a heating component (heating section 121) such as photoelectric conversion is arranged, is sealed by a seal member 5 or the like, a position of a vent hole 6 provided on both side surfaces of a device main body partitioning the space is the same or almost the same on both side surfaces, and passing air can advance in a straight line (straight line shape) or almost straight line (almost straight line shape).SELECTED DRAWING: Figure 1
Patent JP-2021158478-A (JP)
Title: Terminal device, base station device, and communication method
Inventor: NOGAMI TOMOZO
IPC: H04W72/04
Filed: 2020-03-26
Abstract: To provide a terminal device, a base station device, and a communication method used in the terminal device or base station device, for efficient communication.SOLUTION: In a terminal device, a timer value for switching a search area set group is set in a first serving cell. In a case where a first RRC parameter indicating a serving cell group including the first serving cell is not acquired, decrement of the timer value is performed after each of slots in the first serving cell. In a case where the first RRC parameter is acquired and, in addition, a second RRC parameter indicating a search region set for monitoring PDCCH for detection of a DCI format 2_0 in a second serving cell included in the serving cell group is acquired, decrement of the timer value is performed after each of slots in the second serving cell.SELECTED DRAWING: Figure 11
Patent JP-2021158827-A (JP)
Title: Clamp insulator mount type snatch block device and wiring replacement method using the same
Inventor: YAMAZAKI MASANARI
IPC: H02G7/00
Filed: 2020-03-27
Abstract: To provide an insulator mount type snatch block device which can be easily and firmly fixed onto a clamp insulator, and enable quick progression of wire replacement construction.SOLUTION: A snatch block device 1 grips a cap part 54 with gripping members 8 and 9 of a clamp body 2 to be fixed to an insulator 51. A metal wheel main body 3 having four rollers 4, 5, 6, and 7 supported in a lattice manner on side frame members 11 and 12 is supported to the clamp body 2 so as to freely stand up or lie down. Each gripping member 8 includes: an upper collar piece 8b along an upper face of the cap part 54 so as to be projected to an inner direction of an upper part; and a lower collar piece 8c fitted to an annular groove 53 so as to be projected to the inner direction of a lower part. A movable lateral roller 6 freely opens and closes upper end parts between the side frame members 11 and 12. An electric wire W extending the metal wheel main body 3 on the insulator 51 so as to stand up or lie down is attached to/detached from the insulator 51.SELECTED DRAWING: Figure 6
Patent JP-2021160413-A (JP)
Title: Vehicle occupant protection device
Inventor: HAYASHI TAKEKI
IPC: B60R21/207
Filed: 2020-03-31
Abstract: To provide a vehicle occupant protection device capable of appropriately restraining the waist part of a vehicle occupant by an air bag whose inflation has been completed.SOLUTION: There is provided a vehicle occupant protection device S1 for protecting a vehicle occupant MP seated on a seat 1, which includes an air bag 25 and a holding body 7 for storing and holding the folded air bag. The holding body is disposed in front of the waist part MW of the vehicle occupant seated on the seat. The air bag inflates toward a vehicle occupant side while causing gas for inflation to flow into the inside and protruding from the holding body, and covers the top surface of the thigh part MT of the vehicle occupant to the front surface of the upper body MU of the vehicle occupant when inflation is completed. The air bag includes a lower side inflation part 28 for covering the top surface of the thigh part, an upper side inflation part 29 for covering the front surface of the upper body, and a cross inflation part 30 disposed between the lower side inflation part and the upper side inflation part when inflation is completed. The length dimension of the holding body is set to a dimension that enables an arrangement space for a part of the inflated cross inflation part to be secured between the waist part and the holding body.SELECTED DRAWING: Figure 7
Patent JP-2021162064-A (JP)
Title: Fluid control valve and method for adjusting aperture of the fluid control valve
Inventor: ISHIBASHI KEISUKE
IPC: F16K7/12
Filed: 2020-03-31
Abstract: To provide a flow rate control valve comprising a metal diaphragm connected to an external device of which the internal atmospheric pressure is within a predetermined range during operation, the flow rate control valve being manufactured at low cost.SOLUTION: The present invention relates to a flow rate control valve 1 connected with an external device of which the internal atmospheric pressure is within a predetermined range during operation. The flow rate control valve 1 comprises: a body 10 in which a valve seat 17 is provided on a bottom face 16 of a recessed valve chamber 15 communicating to a fluid inlet 11 and a fluid outlet 12; a metal diaphragm 20 disposed at an upper side of the valve seat 17; and a pressing adapter 40 which performs clamping into an airtight state. In the pressing adapter 40, a reference port entrance/exit 41 communicating with the external device is opened, and a reference port passage 42 communicating to an upper side of the metal diaphragm 20 in the valve chamber 15 is formed. In order to adjust an aperture of the flow rate control valve 1, thermal processing is performed on the metal diaphragm 20 in accordance with the internal atmospheric pressure of the external device with at least one of hardness, extension and tension strengths defined as an index.SELECTED DRAWING: Figure 1
Patent JP-2021159931-A (JP)
Title: Welding method and welding device
Inventor: TAKADA KAZUTERU
IPC: B23K26/073
Filed: 2020-03-31
Abstract: To obtain a welding method and a welding device in which a laser beam can be emitted efficiently while sputtering is suppressed so that an energy required for laser beam emission can be further reduced.SOLUTION: In a welding method, a laser beam includes a plurality of beams. The plurality of beams include at least one main beam, and a plurality of sub beams arranged so as to enclose a periphery of the main beam. A main power region including at least one main beam, a first sub power region including the plurality of sub beams enclosing the periphery of the main power region, and a second sub power region including a plurality of sub beams enclosing a periphery of the first sub power region are formed on a surface. A diameter of the second sub power region on the surface is equal to or less than 1.2 [mm].SELECTED DRAWING: Figure 3
Patent JP-2021164031-A (JP)
Title: Image reading apparatus
Inventor: OKUNO TETSUYA
IPC: H04N1/00
Filed: 2020-03-31
Abstract: To enable easy designation of a terminal, which is an image data transmission destination, from among a plurality of transmission destination candidates without a troublesome user operation, while suppressing the occurrence of incorrect transmission.SOLUTION: In an image reading system which includes a multifunction machine, when an image reading device receives an inquiry of allocation information (BS8) from a mobile terminal, if it is in a state that allocation information specifies none of a plurality of transmission destination candidates (None), the image reading device transmits allocation information indicative of the above state to the mobile terminal (CS15). When receiving, from the mobile terminal, an allocation request (BS9) requesting to allocate an image data transmission destination to a server, the image reading device confirms whether it is in a state that the allocation information specifies none of the plurality of transmission destination candidates (None). If the state is that none is specified in the allocation information (None), the image reading device changes the allocation information into a state that the server is specified as the transmission destination of the image data (CS16).SELECTED DRAWING: Figure 3
Patent JP-2021160684-A (JP)
Title: Railroad system, railroad information management device, railroad inspection support method, and railroad inspection support program
Inventor: YAMAMOTO HIROKAZU
IPC: B61L25/02
Filed: 2020-04-03
Abstract: To provide a railroad system capable of identifying a railroad facility to be preferentially inspected when grasping an abnormal appearance of a railroad vehicle and efficiently and effectively performing maintenance and inspection, a railroad information management device, a railroad inspection support method, and a railroad inspection support program.SOLUTION: A railroad system 100 includes a vehicle appearance inspection device 3 for acquiring appearance inspection information obtained by appearance inspection of a railroad vehicle 7 and a railroad information management device 5 for acquiring the appearance inspection information and route information through which the railroad vehicle 7 has traveled and generating a traveling route screen 9 showing the route through which the railroad vehicle 7 having an abnormal appearance has traveled based on the acquired route information.SELECTED DRAWING: Figure 16
Patent JP-2021088917-A (JP)
Title: Pile driving machine
Inventor: IRINO TSUNEJI
IPC: E02D7/22
Filed: 2020-04-06
Abstract: To improve workability of a pile driving machine for driving a rotary member such as a spiral pile and a screw for excavating.SOLUTION: A pile driving machine 10 has: a support frame 20; an output unit 31 rotatably mounted with a drive shaft 32; a secondary side deceleration mechanism 30 incorporated into the output unit, a motor unit 41 provided with an electric motor and mounted on the output unit 31; a primary side deceleration mechanism 43 incorporated into the motor unit 41; a battery 53 removably mounted to the motor unit 41 and for supplying power to the electric motor; and a speed setting lever 56 provided on the support frame 20 and for setting the number of rotation of the electric motor by operation of a worker. The pile driving machine rotationally drives a rotary member mounted on the drive shaft 32.SELECTED DRAWING: Figure 2
Patent JP-2021173328-A (JP)
Title: Piston rod assembly, shock absorber, and manufacturing method of piston rod assembly
Inventor: OKAZAKI KENGO
IPC: F16F9/54
Filed: 2020-04-24
Abstract: To provide a piston rod assembly which can stabilize the attachment quality of a bracket to a piston rod, a shock absorber, and a manufacturing method of the piston rod assembly.SOLUTION: A piston rod assembly 20 for use in a shock absorber has: a bracket 61 in which a penetration hole 81 and a screw hole part 91 intersecting with the penetration hole 81 are formed; a piston rod 51 in which a male screw part 53 screwed to the screw hole part 91 is formed at one end; an insertion hole part 103 formed up to the piston rod 51 from the bracket 61 within a fastening range of the screw hole part 91 and the male screw part 53; an insertion member 62 inserted into the insertion hole part 103; and come-off regulation means for regulating the come-off of the insertion member 62.SELECTED DRAWING: Figure 3
Patent JP-2020205249-A (JP)
Title: Battery pack, processing system, and manufacturing method of battery pack
Inventor: DANIEL SAUERTEIG
IPC: H01M50/557
Filed: 2020-05-07
Abstract: To provide a battery pack for supplying electrical driving force to an electrical processing device, which allows tabs to relatively easily access from the outside and can be electrically connected in a relatively simple way by a welded connection portion.SOLUTION: A battery pack 1 for supplying electric driving force to an electrical processing device includes a stack housing 10 and a plurality of pouch-shaped cells, the stack housing 10 has a common housing opening 10O defined by a housing edge 10R, the pouch-shaped cell has a cell tab 22, and the pouch-shaped cell is configured and arranged such that the cell tab 22 having at least a tab portion 22T at a common housing portion 10O within the stack housing 10 in a stack, projects beyond at least one edge portion 10RA of the housing edge 10R, and the tab portions 22T are directly electrically connected to each other by a welded connection portion 22S.SELECTED DRAWING: Figure 7