baber/WOPTO huggingface dataset:
Patent JP-2020030330-A (JP)
Title: Optical unit
Inventor: ARAI TSUTOMU
IPC: G03B5/00
Filed: 2018-08-23
Abstract: To provide an optical unit that can detect an angle of inclination of a movable body normally and correctly make deflection corrections corresponding to the angle of inclination of the movable body.SOLUTION: An optical unit comprises a movable body comprising an optical module, a fixed body holding the movable body in a displaceable state, and a deflection correcting drive mechanism which drives the movable body around a first axis crossing an optical-axis direction of the optical module and also around a second axis crossing the optical-axis direction and the first axis. The deflection correcting drive mechanism consists of a coil provided to one of the movable body and fixed body, a magnet provided to the other, and a magnetic sensor provided to the one and detecting an inclination of the movable body. In the direction crossing the optical axis, the magnetic sensor is arranged with respect to the magnet at a distance satisfying relation such that when the movable body is inclined to the fixed body, the absolute value of an output value of the magnetic sensor output corresponding to the angle of inclination of the movable body increases by a predetermined quantity or more at each constant angle of inclination of the movable body.SELECTED DRAWING: Figure 1
Patent JP-2020031515-A (JP)
Title: Vehicle control device
Inventor: KAMIO SHIGERU
IPC: B60W10/08
Filed: 2018-08-24
Abstract: To provide a vehicle control device which can prevent travelling from becoming unstable when improper operation of a shift lever is caused during travelling.SOLUTION: A vehicle control device 100 comprises a travelling control part 10 that executes normal control having: target torque calculation processing including processing for calculating magnitude of target torque and processing for calculating a direction of the target torque utilizing detected results by range sensors 61 and 62; and notification processing for notifying an electric power generator control device 41 of the magnitude and the direction of the target torque calculated by the target torque calculation processing. If vehicle speed is equal to or more than a first threshold vehicle speed and the detected results by the range sensors show a shift range indicating a travelling direction opposite to a current travelling direction, the travelling control part sets torque with a magnitude of a prescribed value or less and in a direction as the current travelling direction, as the target torque, regardless of the magnitude and the direction of the target torque calculated by the target torque calculation processing, and notifies the electric power generator control device of the torque.SELECTED DRAWING: Figure 1
Patent JP-2020031410-A (JP)
Title: Analysis system and analysis method
Inventor: KUDO ICHIRO
IPC: H04L12/70
Filed: 2018-08-24
Abstract: To perform failure analysis and security analysis efficiently in carrier network.SOLUTION: A collection unit 10 collects the traffic from a core network 10 N connected to multiple enterprise networks 20 N. An analyzer has multiple functions for analyzing the traffic. A setting unit sets a scenario for specifying at least any of the multiple functions. A pre-treatment unit converts the traffic collected by the collection unit 10 into the traffic of a format suitable to the function specified by the scenario. An assignment unit assigns the traffic converted by the pre-treatment unit to the specified function.SELECTED DRAWING: Figure 1
Patent JP-2019017079-A (JP)
Title: Display device
Inventor: HIRABAYASHI MASAYUKI
IPC: H04N21/431
Filed: 2018-08-29
Abstract: To provide a video display device which is convenient when a plurality of users use a single video display device.SOLUTION: A content reception part is configured to simultaneously receive a plurality of video content, and a content display part is configured to, when a predetermined condition is established, divide a display region into a plurality of regions, and to display the video content distributed from a first distribution source in a first display region, and to display the video content distributed from a second distribution source in a second display region. When a command from specific terminal equipment is received during the division of the display region, the command is reflected on a display mode of the first display region. On the other hand, when a command from the other terminal equipment is received, the command is reflected on a display mode of the second display region. When a command from the other terminal equipment indicating the display of the video content distributed from the first distribution source is received, the division of the display region is finished.SELECTED DRAWING: Figure 11
Patent JP-2020033936-A (JP)
Title: Process of manufacture piston and piston
Inventor: FUSHIMI TOSHIRO
IPC: F02F3/00
Filed: 2018-08-30
Abstract: To provide a process of manufacture piston capable of weight saving, and a lightweight piston.SOLUTION: A first mold 62 for forming first cast-out space and a second mold 63 for forming first cast-out space which are two molds that form the back side of a piston head 2 are provided. The first mold 62 for forming first cast-out space is located on the side near a first axis P1 passing through the center of the piston head 2, the second mold 63 for forming first cast-out space has an undercut shape and is located on the side away from the first axis P1. After releasing the first casting space forming first mold 62 from the piston head 2, the second mold 63 for forming the first cast-out space is moved toward the first axis P1 to be released from the piston head 2.SELECTED DRAWING: Figure 12B
Patent JP-2020036489-A (JP)
Title: Power supply circuit, method of obtaining low voltage from high voltage, and rectification circuit using power supply circuit
Inventor: TAZAKI MASATSUGU
IPC: H02M3/155
Filed: 2018-08-31
Abstract: To provide a power supply circuit and a method for efficiently obtaining sufficiently low DC voltage from high DC input voltage linearly repeating voltage change from approximately 0 V to a peak value.SOLUTION: A power supply circuit has an input terminal K of DC input voltage linearly repeating voltage change, a reference voltage circuit connecting to the input terminal K through a resistor R3 and generating reference voltage, an FET 1 for limiter connecting both ends of the resistor R3 between a drain and a gate and limiting a peak value of the input voltage, an FET 2 as a switching element in which a source is connected a source of the FET 1 in series, a partial pressure resistor of the input voltage is connected to the gate, and the drain is connected to an output terminal Vsout, and a smoothing circuit of output voltage of the FET 2. The reference voltage is compared with the input voltage whose pressure is divided, and the FET 2 functions as a comparison circuit outputting when the input voltage whose pressure is divided is lower than the reference voltage.SELECTED DRAWING: Figure 6
Patent JP-2019164975-A (JP)
Title: Secondary battery, battery pack and vehicle
Inventor: FUKAYA TARO
IPC: H01M4/131
Filed: 2018-08-31
Abstract: To provide a secondary battery which can show a superior life characteristic at a low temperature, and a superior life characteristic at a high temperature.SOLUTION: A secondary battery comprising a positive electrode 5, a negative electrode 3 and a nonaqueous electrolyte is provided according to an embodiment hereof. An active material composite 30 of the negative electrode 3 includes: active material particles 30A; and a coating film 30B covering at least a part of the surface thereof and containing N and Si. The N concentration in the coating film 30B decreases from a first surface 30C toward a second surface 30D. The Si concentration in the coating film 30B increases from the first surface 30C toward the second surface 30D. The nonaqueous electrolyte satisfies the expressions: (1) 0≤B/A≤0.5; (2) 0 wt.%<A≤2.0 wt.%; and (3) 0 wt.%≤B≤0.25 wt.%, where A is a concentration [wt.%] of a silyl group-containing compound in a nonaqueous electrolyte, and B is a concentration [wt.%] of a diisocyanate compound in the nonaqueous electrolyte.SELECTED DRAWING: Figure 2
Patent JP-2020037989-A (JP)
Title: Valve mechanism and fuel supply pump including the same
Inventor: ARITOMI TOSHIAKI
IPC: F02M59/46
Filed: 2018-09-06
Abstract: To provide a valve mechanism which inhibits fuel leakage in a seating area of a valve body, and to provide a fuel supply pump equipped with the valve mechanism.SOLUTION: A valve mechanism includes: a seat surface which closes a passage by a valve body being seated thereon; and a spring which biases the valve body to the seat surface. In a case where a direction which is parallel to the seat surface and from the radial inner side of the valve body to the outer side is set as a flow direction and a direction which is parallel to the seat surface and orthogonal to the flow direction is set as a flow orthogonal direction, first surface roughness on the seat surface in the flow direction is formed so as to be larger than second surface roughness in the flow orthogonal direction.SELECTED DRAWING: Figure 7
Patent JP-2020043466-A (JP)
Title: Amplifier circuit
Inventor: MIYAJIMA TAKAYUKI
IPC: H03F3/68
Filed: 2018-09-11
Abstract: To provide an amplifier circuit with improved noise/distortion component reduction performance.SOLUTION: An extracted noise/distortion component is added to a main amplifier 12 itself to cancel the noise/distortion component. That is, the noise/distortion component appearing at an inverting input terminal of an inverting amplifier circuit constituting the main amplifier 12 is amplified by a sub-amplifier 14 and input to the main amplifier 12 again to cancel the noise/distortion of the main amplifier 12. The proper cancellation amount of the noise/distortion of the main amplifier 12 is configured to be set by setting the amplification degree (amplification rate) of the sub-amplifier 14.SELECTED DRAWING: Figure 1
Patent JP-2019052372-A (JP)
Title: Top-blowing lance and secondary refining method
Inventor: YAMAMOTO TETSUYA
IPC: C21C7/10
Filed: 2018-09-12
Abstract: To control the ejection direction with a simple structure for a top-blowing lance with high degree of freedom.SOLUTION: The top-blowing lance blows ejections to the surface of the molten steel in a vacuum vessel in the RH apparatus. The top-blowing lance includes a nozzle provided at the tip of the lance and a plurality of supply passages communicating with the nozzle by directly connecting its tip end to the base end of the nozzle and capable of supplying the ejections to the nozzle. The flow rate of the ejections supplied to the nozzle from the plurality of supply passages can be independently adjusted. The area of the plurality of supply ports, which are openings formed at the base end of the nozzle by the tip ends of the plurality of supply passages to be connected to the base end of the nozzle, is smaller than the area of the horizontal cross section at the base end of the nozzle. Each center of the plurality of supply ports in the horizontal plane is located at a position deviated from the center of the base end of the nozzle. The area of the horizontal cross section of the nozzle is substantially constant or increases from the base end to the tip end.SELECTED DRAWING: Figure 2
Patent JP-2020041647-A (JP)
Title: Structure for cooling bearing device
Inventor: NASU Keisuke
IPC: F16C33/66
Filed: 2018-09-13
Abstract: To provide a structure for cooling a bearing device that can efficiently cool a bearing with a reduced amount of compressed air from a low-speed range to a high-speed range and facilitates adjustment of preload.SOLUTION: A structure for cooling a bearing device has an outer ring spacer 4 and an inner ring spacer 5 respectively adjacent to an outer ring 2 and an inner ring 3 of a rolling type bearing 1. The structure for cooling a bearing device is provided with an air-cooling nozzle 10 for discharging compressed air toward an outer peripheral surface of the inner ring spacer 5, in the outer ring spacer 4. The inner ring spacer 5 has a high heat conductivity and a high linear expansion coefficient in an axial direction as compared to the outer ring spacer 4. The rolling type bearing 1 has fixed position preload as the preload system thereof.SELECTED DRAWING: Figure 1
Patent JP-2020051447-A (JP)
Title: valve
Inventor: WATANABE KAZUMASA
IPC: F16K27/12
Filed: 2018-09-25
Abstract: To provide a diaphragm valve capable of changing only a driving part under a condition that gas like process gas is distributed, and saving a lift amount adjusting operation.SOLUTION: The valve comprises: a valve unit 1A including a valve body 2 defining a passage, a diaphragm 4 provided to open/close the passage, while a peripheral edge is in airtight contact with the valve body 2 to define one part of the passage in cooperation with the valve body 2, and an operation member 6 for operating the diaphragm provided movably between a closing position at which the diaphragm 4 closes the passage, and an opening position at which the diaphragm opens the passage; and a driving unit 1B detachably mounted to the valve unit 1A and moving the operation member 6 to the opening position. The valve unit 1B further includes a lift amount adjusting mechanism 10 for adjusting the opening position of the operation member 6.SELECTED DRAWING: Figure 1
Patent JP-2020051064-A (JP)
Title: Ground improvement composite pile foundation, independent footing foundation combined with ground improvement composite pile, and method of designing independent footing foundation combined with ground improvement composite pile
Inventor: HOMMA YUSUKE
IPC: E02D27/12
Filed: 2018-09-25
Abstract: To provide a ground improvement composite pile foundation with improved horizontal resistance, an independent footing foundation combined with a ground improvement composite pile, and a method of designing the independent footing foundation combined with the ground improvement composite pile.SOLUTION: A ground improvement composite pile foundation 1A comprises: an improved body 7 provided on a surface layer part of a ground 11 and formed of soil and sand of the surface layer part and a solidifying material mixed and stirred with the soil and sand; and one or more piles 9 sunk inside the improved body 7. The surface layer part of the ground 11 is composed of a clay ground. When an outside diameter of the pile 9 is Dp and a distance from the center of the pile 9 to an outer edge of the improved body 7 or a polygon circumscribing the improved body 7 is Lpi, the distance Lpi satisfies the relationship represented by the following formula: 2.6Dp<Lpi<3.4Dp.SELECTED DRAWING: Figure 2
Patent JP-2020049748-A (JP)
Title: Printing device and seal paper
Inventor: TAWARA YOSHIHIRO
IPC: G09F3/02
Filed: 2018-09-26
Abstract: To provide a printing device that can support multiple kinds of precut patterns without complicating a structure of the printing device, and to provide seal paper.SOLUTION: A print sheet 7 is provided with release parts 21 to 24 respectively in regions between information display parts 20, 20. A sensor 11 reads the information display part 20. A control device 10 reads-out print data corresponding to the read information. On the basis of this, a printer including a thermal head 1, a platen roll 2, a thermal transfer sheet 5 and the like prints on the release parts 21 to 24.SELECTED DRAWING: Figure 1
Patent JP-2020051894-A (JP)
Title: Device of corrosiveness evaluation and method thereof
Inventor: MINETA SHINGO
IPC: G01N27/02
Filed: 2018-09-27
Abstract: To provide a device of corrosiveness evaluation, which quantitatively evaluates corrosiveness indicating the magnitude of degree of metal corrosion due to the environment.SOLUTION: A device 100 of corrosiveness evaluation, which evaluates corrosiveness indicating the magnitude of degree of metal corrosion due to the environment, includes: an electrode 10 which is provided in the environment, and which includes at least one kind of metals 10a, 10b; a measurement section 20 for measuring a corrosion rate of the metals 10a, 10b during a one-cycle change in amount of moisture in the environment or a value related to the corrosion rate of the metals 10a, 10b from the change; and a calculation section 30 for calculating the amount of corrosion of the metals 10a, 10b or a value related to the amount of the corrosion of the metals 10a, 10b from a value measured at the measurement section 20.SELECTED DRAWING: Figure 1
Patent JP-2020050616-A (JP)
Title: Hair treatment agent composition
Inventor: MATSUNAGA HARUKA
IPC: A61Q5/06
Filed: 2018-09-27
Abstract: To provide a hair treatment agent composition that can improve hairdressing power and can suppress color migration properly.SOLUTION: A hair treatment agent composition has a pigment (component A), a coat-forming polymer having a structural unit derived from vinyl pyrrolidone (component B), a specific polymer (component C), a specific coat-forming polymer (component D), water (component E).SELECTED DRAWING: None
Patent JP-2020051190-A (JP)
Title: Guard post
Inventor: INATOMI HIRONORI
IPC: E01F13/02
Filed: 2018-09-28
Abstract: To provide a guard post which is not easily damaged and which protects a rack by reliably notifying a worker of a collision with a cargo transport vehicle with a simple and inexpensive structure.SOLUTION: In a warehouse that receives and stores cargo on racks, a guard post is vertically installed around a rack to prevent contact between a cargo transport vehicle and the rack when loading and unloading cargo in the cargo transport vehicle. The guard post comprises: a hollow cylindrical guard post main pipe; a weight suspended vertically so that it can swing horizontally, in the interior space of the guard post main pipe; and at least one sound emitting hole formed on the outer peripheral surface of the guard post main pipe. When the guard post collides with the cargo transport vehicle and tilts, the sound of the collision between the guard post main pipe inner peripheral surface and the weight is output from the sound emitting hole to the outside.SELECTED DRAWING: Figure 4
Patent JP-2020049884-A (JP)
Title: Image formation apparatus, image formation method and program
Inventor: OGUCHI TOMOYA
IPC: B41J19/18
Filed: 2018-09-28
Abstract: To provide an image formation apparatus, an image formation method and program which can suppress output image data from being illegally accessed by a third party.SOLUTION: A compound machine 10 includes: a head 120 which discharges ink; a carriage 130 which holds the head 120, and is reciprocally movable in the main-scanning direction; a control part 110 which generates output data on the basis of the input data; and RAM 113 which stores input data and output data. The control part 110 forms an image on a recording sheet 30 by discharging the ink from the head 120 on the basis of the output data stored in the RAM 113 in synchronization with the movement for each one pass of the head 120 by controlling the movement operation of the carriage 130. Further, the control part 110 overwrites and deletes the output image data formed with the image corresponding to the one pass in accordance with the completion of discharge of the ink for one pass from the head 120.SELECTED DRAWING: Figure 1
Patent JP-2020055405-A (JP)
Title: Tricycle and method of designing tricycle
Inventor: NAKAI NORIMITSU
IPC: B62K9/02
Filed: 2018-10-01
Abstract: To seat an infant differing in build with age sit in a well-balanced state.SOLUTION: A saddle 80 has a long-sized seating part 81, which is continuous in a front-rear direction, more on a front side than the center of a rear wheel shaft part 60, and also has a non-seating part 82, which is long over the rear wheel shaft part 60 in the front-rear direction, more on a rear side than the seating part 81. The seating part 81 has its overall length set while securing a front-side seating region 81a where an infant is seated close to the front, and a rear-side seating region 81b where the infant is seated close to the rear, and which is longer in the front-rear direction than the front-side seating region 81a.SELECTED DRAWING: Figure 3
Patent JP-2020061870-A (JP)
Title: Electric power conversion device and control system
Inventor: FUJIMOTO KAZUKI
IPC: B61H1/00
Filed: 2018-10-10
Abstract: To clean a tread surface of a wheel in braking a railroad vehicle and improve responsiveness of a mechanical brake.SOLUTION: An electric power conversion device 10 includes: a torque command generation unit 11 for generating a torque command that is a command with respect to output torque of a main motor 40; an electric power conversion unit 12 for controlling the main motor 40 so as to match the output torque of the main motor 40 with the torque command; and an electric brake force notification unit 13 for outputting an electric brake force feedback signal indicating a value lower than actual electric brake force that is calculated from a value of a current flowing through the main motor 40.SELECTED DRAWING: Figure 1
Patent JP-2020064540-A (JP)
Title: controller
Inventor: YOSHIMURA TOMOKI
IPC: G05D3/10
Filed: 2018-10-19
Abstract: To provide a controller that can prevent a movement of a controlled object from becoming an unintended movement and can easily and quickly perform fine adjustment of the controlled object.SOLUTION: While a processing unit of a controller determines that a rotation speed (rotation operation amount per unit time) V of a jog dial is equal to or higher than a threshold value A (A≤V), the processing unit of the controller sets an increase/decrease amount per unit time of a numerical value indicating an operation amount of a control target as a preset value; and while the processing unit of the controller determines that the rotation speed V of the jog dial is less than the threshold value A (A>V), the processing unit of the controller increases or decreases the numerical value indicating the operation amount of the control target in proportion to a rotation operation amount of a rotation operation interface.SELECTED DRAWING: Figure 3
Patent JP-2020063729-A (JP)
Title: Decompression device and valve mechanism
Inventor: YOKOTA SHUICHI
IPC: F01L1/04
Filed: 2018-10-19
Abstract: To provide a rocker arm slide structure in a rocker arm type valve mechanism having a decompression device.SOLUTION: A decompression device 41 in a valve mechanism includes a decompression holder 45 rotatably holding a decompression shaft 42 within a recessed part 25. In an outer peripheral portion of the decompression holder 45, there is formed a receded part 51 partially receded in a direction toward the shaft center of a cam shaft 12. Viewing the decompression device 41 from one side in an axial direction of the cam shaft 12, the receded part 51 is positioned inside a base circle B of an exhaust side cam 14.SELECTED DRAWING: Figure 13
Patent JP-2020062338-A (JP)
Title: Game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2018-10-19
Abstract: To provide a game machine capable of suppressing a change in non-electric variation means to a second state unintentionally.SOLUTION: In a game machine 1 that realizes a game by shooting a game medium P to a game area, the game area includes an entry area 711f that the game area can enter and non-electric variation means 600A capable of changing to a first state in which the game medium cannot enter or cannot enter easily and a second state in which the game medium can enter easily. The non-electric variation means includes blocking means 637 for blocking a change from the first state to the second state by operation of the game medium entering the entry area to an action member 721 to operate the action member, and a change from the first state to the second state by operation of the action member by external force.SELECTED DRAWING: Figure 11