baber/WOPTO huggingface dataset:
Patent JP-2021064005-A (JP)
Title: Dimming system, vehicle, and drive method of dimming film
Inventor: OKABE MASAHITO
IPC: G02F1/13
Filed: 2021-01-08
Abstract: To provide a dimming system capable of reducing degradation in a response speed and uneven transmittance when used in a vehicle or the like, a vehicle and a drive method of a dimming film.SOLUTION: A dimming system 200 of the present invention includes: a dimming film 1 having a liquid crystal layer 8 in which liquid crystal molecules 8A are disposed, and two planar electrodes 11, 16 disposed opposing to each other and sandwiching the liquid crystal layer 8; and a control unit 140 for applying a drive voltage V1 between the electrodes 11, 16 and controlling the transmittance of the dimming film 1 depending on the value of the drive voltage. Prior to applying the drive voltage, the control unit 140 applies a preliminary voltage V2 lower than the drive voltage between the electrodes 11, 16. With regard to the dimming film 1 by a VA system, the response speed of the transmittance can be reduced by initially applying the preliminary voltage.SELECTED DRAWING: Figure 3
Patent JP-2022108096-A (JP)
Title: Map data update method and map information system
Inventor: CHIKAMORI HIDETOSHI
IPC: G08G1/137
Filed: 2021-01-12
Abstract: To provide a map data update method capable of performing an update process in good time.SOLUTION: In a map data update method which is executed with a map information system 1 mounted on a vehicle, map data includes plural pieces of block data partitioned for respective blocks on a map and is stored in a storage device 52 of the map information system. The map information system: determines block data to be updated on the basis of at least either one of travel history and a predicted future route when a vehicle is in a sleep state; communicate with a map server 3 having updated map data; downloads updated data corresponding to the block data to be updated from the map server; and updates the block data stored in the storage device on the basis of the downloaded updated data.SELECTED DRAWING: Figure 1
Patent JP-2022108341-A (JP)
Title: light emitting element
Inventor: KAWAGUCHI HIROSHI
IPC: H01L33/20
Filed: 2021-01-13
Abstract: To provide a light emitting element capable of improving light extraction efficiency from a side surface of a portion of a semiconductor laminate including a p-type semiconductor layer and an active layer.SOLUTION: A semiconductor laminate includes: a first side surface including a side surface of a p-type semiconductor layer and a side surface of an active layer; an n-side connection surface formed in a region of an n-type semiconductor layer in which the active layer and the p-type semiconductor layer are not stacked, and exposed from the active layer and the p-type semiconductor layer; and a second side surface connecting the first side surface and the n-side connection surface, including the side surface of the n-type semiconductor layer, and not including the side surface of the p-type semiconductor layer and the side surface of the active layer. The top surface of the p-type semiconductor layer and the first side surface form an acute angle, and the second side surface forms an angle of 90° or more with respect to the n-side connection surface.SELECTED DRAWING: Figure 2
Patent JP-2022109641-A (JP)
Title: Friction stir welding attachment, friction stir welding head and friction stir welding device
Inventor: KATO KOICHI
IPC: B23K20/12
Filed: 2021-01-15
Abstract: To provide a friction stir welding attachment, a friction stir welding head and a friction stir welding device which can obtain a sufficient torque when a welding tool is driven by an air motor.SOLUTION: A friction stir welding attachment 10 includes a body 11 mounted on a main spindle supported on a main spindle head of a machine tool, a working spindle 14 that is rotatably supported on the body 11 and can mount a welding tool 20, a plurality of air motors 151 and 152 installed in the body 11, and a transmission mechanism 153 for transmitting rotation of the plurality of air motors 151 and 152 to the working spindle 14. A fixing part 16 is mounted so as to supply external air to the plurality of air motors 151 and 152, and a drive air distributor 154 for distributing drive air to the air motors 151 and 152 is installed. A rotation detector 155 for detecting a rotation state is installed in the working spindle 14.SELECTED DRAWING: Figure 3
Patent JP-2022112044-A (JP)
Title: Chemical solution volatilization apparatus
Inventor: SHIMOMURA MAYUKA
IPC: B65D83/00
Filed: 2021-01-21
Abstract: To provide a chemical solution volatilization apparatus that allows easy removal of a vessel from a cover member.SOLUTION: A chemical solution volatilization apparatus includes: a vessel 10 configured to accommodate a chemical solution and having, at a lower end part thereof, a discharge part from which the chemical solution is to be discharged; a volatilization body configured to absorb and volatilize the chemical solution discharged from the discharge part of the vessel; and a cover member 20 covering the discharge part of the vessel. The vessel includes: a ceiling wall part; and a cylindrical side wall part extending downward from a peripheral part of the ceiling wall part. The cover member includes: a bottom wall part; and a cylindrical side wall part rising from a peripheral part of the bottom wall part. The side wall part of the vessel includes, across a circumferential direction: a contact face abutting on at least part of an inner face of an upper end part of the side wall part of the cover member; and an extension part extending downward from the contact face and having a diameter smaller than that of the contact face. The cover member is fixed to the vessel by the abutment of the inner face of the upper end part of the side wall part and the contact face. The contact face includes a recess part extending to a lower end of the contact face. The recess part is configured not to abut on the inner face of the upper end part of the side wall part.SELECTED DRAWING: Figure 1
Patent JP-2021175365-A (JP)
Title: Motor control method and control device
Inventor: KOGISO KIMINAO
IPC: H02P29/00
Filed: 2021-01-25
Abstract: To provide a motor control method and control device that are able to sufficiently compensate for cogging that may occur and able to achieve a desired operation characteristic by greatly reducing the influence of cogging.SOLUTION: Reverse correction control for applying a reverse correction to a cogging state and disturbance observer control for disturbance are combined using a reverse correction control system 50 and a disturbance observer control system 60. The influence of cogging is roughly eliminated by applying the reverse correction to the cogging state, and influence that cannot be reduced by the reverse correction control is reduced by the disturbance observer control for disturbance.SELECTED DRAWING: Figure 3
Patent JP-2022118447-A (JP)
Title: Anti-corrosion adhesive tape
Inventor: KAJI SHOJI
IPC: C23F13/02
Filed: 2021-02-02
Abstract: To provide an anti-corrosion adhesive tape having both excellent anti-corrosion properties and good adhesiveness.SOLUTION: An anti-corrosion adhesive tape 10 includes a metal layer 15, and an adhesive layer 11 disposed on at least one surface of the metal layer 15. The metal layer 15 is a layer of metal with a lower redox potential than that of iron, and the adhesive layer 11 contains an anisotropic conductive material 13.SELECTED DRAWING: Figure 1
Patent JP-2022119403-A (JP)
Title: Crusher
Inventor: KAMEYA YOSHITETSU
IPC: B02C1/04
Filed: 2021-02-04
Abstract: To provide a collapsing crusher, such as a jaw crusher, which enables improvement of safety of charging work while maintaining work easiness during manual charging work of crushed objects.SOLUTION: A crusher 10 collapses an object to be crushed and includes: a machine frame 1 in which a collapsing mechanism is installed; a funnel-shaped hopper 2; and a charging assist part 3. The charging assist part 3 has: a crushed object guide surface 31 extending from a top surface side end of the hopper 2 to the oblique upper side; and a side wall enclosing the periphery of the crushed object guide surface 31. An inclination angle of the crushed object guide surface 31 is smaller than an inclination angle of an inner surface of the hopper 2 with which the crushed object guide surface 31 is connected.SELECTED DRAWING: Figure 2
Patent JP-2022120257-A (JP)
Title: heat exchange core and heat exchanger
Inventor: KANEKO TAKESHI
IPC: F28D9/02
Filed: 2021-02-05
Abstract: To provide a heat exchange core that is compact and excellent in heat exchange efficiency.SOLUTION: A heat exchange core according to an embodiment comprises a header flow passage extending in a first direction, and a plurality of branch flow passages connected to the header flow passage, and extending in a second direction intersecting with the first direction. A first angle θ1 formed by the header flow passage with a virtual connection surface between the header flow passage and the plurality of branch flow passages is smaller than a second angle θ2 formed by the branch flow passages with the connection surface.SELECTED DRAWING: Figure 2
Patent JP-2021087951-A (JP)
Title: Catalytic filter with edge coating for lean engine exhaust
Inventor: LI YUEJIN
IPC: B01J29/72
Filed: 2021-02-05
Abstract: To provide a catalytic article, a method and a system which treat carbon monoxide, nitrogen oxides, hydrocarbons and particulates exhausted from a diesel engine in an effective and inexpensive manner while simultaneously minimizing a space required in an exhaust system.SOLUTION: A catalytic particulate filter 10 comprises a plurality of parallel passages extending from an inlet end to an outlet end. The plurality of passages are inlet passages 24 which are open at an inlet end 14 and closed with an outlet plug at an outlet end 16, and the plurality of passages are outlet passages which are closed with an inlet plug 18 at the inlet end and open at the outlet end. The catalytic particulate filter also has a selective catalytic reduction catalyst applied to the porous walls, and a platinum group metal end coating covering the outlet end surface and the outlet end faces of the plugs. The platinum group metal end coating extends a distance less than 1.5 times the depth of the outlet plugs from the outlet end surface. Platinum group metal has a local loading in a range of about 20 to about 200 g/ft3.SELECTED DRAWING: Figure 1
Patent JP-2022122693-A (JP)
Title: game machine
Inventor: KANDA RYOTA
IPC: A63F5/04
Filed: 2021-02-10
Abstract: To provide a game machine equipped with a performance device capable of receiving an operation in a non-contact manner.SOLUTION: A game machine includes a performance unit (10). The performance unit (10) includes a first display part (12), a second display part (13), a mirror (14), and an operation detection part (15). The second display part (13) includes a three-dimensional optical device (20) having a light guide plate (21) for guiding incident light and emitting the incident light from an emission surface in which the light emitted from the emission surface after its light path is changed is recognized as a three-dimensional image by an observer. The mirror (14) is a cold mirror through which an infrared ray is transmitted and which reflects visible light. The operation detection part (15) includes an infrared active sensor (23), and is disposed on a back face side of the mirror (14).SELECTED DRAWING: Figure 3
Patent JP-2022125395-A (JP)
Title: Analysis system, analysis method, and analysis program for video image of eyeball
Inventor: YOKOTA YASUNARI
IPC: A61B10/00
Filed: 2021-02-17
Abstract: To provide an analysis system, an analysis method, and an analysis program for video images of eyeballs captured under night vision suitable for diagnosis of dizziness.SOLUTION: An analysis system for video images of eyeballs comprises an image processing apparatus which processes video data showing eyeball movement obtained by a camera for obtaining video images of eyeballs. The image processing apparatus performs processes of: setting a plurality of flattening ratios in advance; determining, for all the flattening ratios, the center coordinate of a pupil by ellipse detection Hough transform with weight of the Mexican-hat-type for each video frame constituting the video data; and obtaining a plot obtained by tracing the horizontal and vertical center coordinates of the obtained pupil. The image processing apparatus roughly detects a pupil position by downsizing in advance each video frame constituting the video data to reduce the amount of calculation and determine the center coordinate of the pupil. There are also provided an analysis method, and an analysis program.SELECTED DRAWING: Figure 1
Patent JP-2021141059-A (JP)
Title: Conical contact spring sleeve, and electrical connector and plug connection with contact spring sleeve
Inventor: MARTIN LISTING
IPC: H01R13/187
Filed: 2021-02-24
Abstract: To provide a contact spring sleeve causing a decrease in contact resistance.SOLUTION: The present invention relates to a conical contact spring sleeve 1 for plug-shaped or socket-shaped conical contacts 82, 90. The contact spring sleeve 1 includes: at least one radial concavity 50, which projects radially inwards with respect to the conical shape 8 beyond an inner peripheral surface 52 of the conical contact spring sleeve 1; and/or at least one radial convexity 56, which projects radially outwards beyond an outer peripheral surface 58 of the conical contact spring sleeve 1. By using the at least one radial concavity 50 and/or the radial convexity 56, a contact area 144 is defined, the contact spring sleeve 1 is fixed, and a preload can be built up.SELECTED DRAWING: Figure 5
Patent JP-2022129607-A (JP)
Title: Pump tube unit for high-frequency treatment tool and water supply system
Inventor: KARASAWA KOJI
IPC: A61B18/12
Filed: 2021-02-25
Abstract: To efficiently produce carbonated water without upsizing a whole device.SOLUTION: A pump tube unit for a high-frequency treatment tool according to the present invention comprises a pump tube through which liquid is sent out toward the high-frequency treatment tool by driving a pump. The high-frequency treatment tool comprises: a flexible sheath through which the liquid sent out from the pump tube flows; and a high-frequency knife protruding from a tip of the flexible sheath. An inside diameter of the pump tube is configured so that an amount of the liquid sent out from the pump tube is substantially equal to an amount of the liquid discharged from the tip of the flexible sheath.SELECTED DRAWING: Figure 4
Patent JP-2022130865-A (JP)
Title: Vibration control device
Inventor: NAKAMURA YOSHIYA
IPC: F16F15/02
Filed: 2021-02-26
Abstract: To suppress the excessive displacement beyond assumption of a weight member absorbing vibrations of a building, with a simple structure.SOLUTION: A vibration control device 1 includes a frame 10 that can be installed in a structure, a weight member 30 that is supported so as to move in one horizontal direction (X-axis-direction) inside the frame 10, and a spring member 40 that couples the weight member 30 and the frame 10, and in which a spring constant between the weight member 30 and the frame 10 changes from a first value to a second value larger than the first value when the displacement of the weight member 30 exceeds a predetermined threshold value.SELECTED DRAWING: Figure 1
Patent JP-2022133033-A (JP)
Title: Information processing device
Inventor: KANJI HISATO
IPC: G06Q50/00
Filed: 2021-03-01
Abstract: To appropriately specify a risk that personal information on a user may be inferred from an image.SOLUTION: An extraction section 22 extracts an image object from image data included in posted data acquired by a data acquisition section 21. Further, the extraction section 22 classifies a plurality of image objects extracted from the image data and additional data added to the image data into categories to which the respective image objects or the additional data belong. A selection section 23 selects any of a plurality of specification methods for specifying risks that personal data on users may be inferred from the image objects and additional data. According to the specification method selected by the selection section 23, a specification section 25 specifies a risk that the personal information on a user may be inferred from the image object or additional data extracted by the extraction section 22. A processing section 26 executes processing according to the risk specified by the specification section 25.SELECTED DRAWING: Figure 3
Patent JP-2022134393-A (JP)
Title: writing instrument
Inventor: FUKADA KOHEI
IPC: B43K8/12
Filed: 2021-03-03
Abstract: To prevent ink dripping and drying.SOLUTION: There is provided a writing instrument including: a barrel 10; a writing chip 30 that protrudes forward from the barrel 10 to discharge ink by being pressed against a written surface; and an ink supply unit 50 that supplies ink from the rear side to the writing chip 30. The writing chip 30 is located at a separation position that is away forward at a space with respect to the ink supply unit 50, and moves to a contact position in contact with the ink supply unit 50 from the front side by a predetermined operation.SELECTED DRAWING: Figure 3
Patent JP-2022135553-A (JP)
Title: Dust collection device and vacuum cleaner
Inventor: SHINAGAWA NAOKO
IPC: A47L9/16
Filed: 2021-03-05
Abstract: To provide a dust collection device and a vacuum cleaner that can discard dust more cleanly by easily preventing a fall of fine dust separated by a second separation part when discarding dust accumulated in the dust collection device.SOLUTION: A dust separation collection part 16 comprises: a first separation part 35 including a dust collection container 42 as an outer shell, and for separating dust contained in air introduced into the dust collection container 42; a second separation part 36 attachably/detachably fitted to the dust collection container 42, and for separating dust contained in air passed through the first separation part 35; and a partition part 81 comprising a substantially horizontal dust receiving surface 87 for receiving dust discharged from the second separation part 36, attached/detached to/from the dust collection container 42 together with the second separation part 36, and for dividing a space in the dust collection container 42 into a first separation chamber 41 and a fine dust collection chamber 82 to prevent dust in the fine dust collection chamber 82 and dust in the first separation chamber 41 from being mixed.SELECTED DRAWING: Figure 3
Patent JP-2022136430-A (JP)
Title: Power supply system
Inventor: NISHIMURA SHOJI
IPC: H02J9/06
Filed: 2021-03-08
Abstract: To prevent switching hunting of a changeover switch at an open power failure, in a power supply system that achieves both an uninterruptible power supply function and a load leveling function by using a common distributed power supply while satisfying FRT requirements.SOLUTION: A power supply system 100 provided between a commercial power system 10 and an important load 30 to supply a power to the important load, comprises: a distributed power supply 2; a changeover switch 3 opening/closing a power line L1; an impedance element 4 connected in parallel to the changeover switch in the power line; a system side voltage detector 61; non-fundamental wave current injection means; and a non-fundamental wave voltage detector 83. In a case where a system voltage becomes lower than a first setting value, the changeover switch is opened to continuously operate the distributed power supply in a state where the distributed power supply and the commercial power system are connected with each other via the impedance element. After the changeover switch is opened, in a case where the system voltage becomes equal to or more than the first setting value and a non-fundamental wave voltage becomes equal to or less than a second setting value, the changeover switch is closed again.SELECTED DRAWING: Figure 1
Patent JP-2021106276-A (JP)
Title: Transistor
Inventor: YAMAZAKI SHUNPEI
IPC: H01L29/786
Filed: 2021-03-11
Abstract: To provide a display device in which the power consumption is suppressed, a self-luminous display device in which the power consumption is suppressed, and a self-luminous display device in which the power consumption is suppressed and which is capable of long-term use in a dark place.SOLUTION: A circuit is formed using a thin film transistor in which a highly-purified oxide semiconductor is used and a pixel can keep a certain state (a state in which a video signal has been written). As a result, even in the case of displaying a still image, stable operation is easily performed. In addition, an operation interval of a driver circuit can be extended, which results in a reduction in the power consumption of a display device. Moreover, a light-storing material is used in a pixel portion of a self-luminous display device to store light, whereby the display device can be used in a dark place for a long time.SELECTED DRAWING: Figure 15
Patent JP-2022139322-A (JP)
Title: Piezoelectric material, piezoelectric element, and electronic apparatus
Inventor: MATSUDA TAKANORI
IPC: B41J2/14
Filed: 2021-03-11
Abstract: To provide a piezoelectric material that does not include lead, has small temperature dependency of a piezoelectric constant within an operational temperature range, and has a satisfactory piezoelectric constant.SOLUTION: A piezoelectric material contains an oxide of a perovskite-type structure including Ba, Ca, Ti, and Zr, Mn, Bi, and W. A molar ratio x of Ca to a total sum of Ba and Ca is 0.085≤x≤0.150. A molar ratio y of Zr to a total sum of Ti and Zr is 0.025≤y≤0.085. A total sum of the Ba and the Ca to the total sum of the Ti and the Zr is 0.986 or more and 1.02 or less. In terms of metal based on 100 pts.mass. of the oxide, a content of Mn is 0.04 pts.mass. or more and 0.36 pts.mass. or less, a content of the Bi is 0.050 pts.mass. or more and 0.240 pts.mass. or less, and a content of W is 0.100 pts.mass. or more and 0.380 pts.mass. or less.SELECTED DRAWING: Figure 18
Patent JP-2022144093-A (JP)
Title: Image forming system and communication speed changing method
Inventor: TOMOFUJI SHINJI
IPC: G06F13/00
Filed: 2021-03-18
Abstract: To provide an image forming system and a communication speed changing method that can prevent communication between an image forming apparatus and a relay device from being cut off at the timing when an image forming job is transmitted.SOLUTION: An image forming system 100 includes: a reception processing unit that, when an operation mode of an image forming apparatus 1 is switched between a normal mode and a power saving mode, receives an operation to suspend processing to change the communication speed between the image forming apparatus 1 and a relay device 3 involving cut-off of the communication between the image forming apparatus 1 and the relay device 3 in an information processing apparatus 2 communicably connected to the image forming apparatus 1 through the relay device 3; and a suspension processing unit that, when the suspension operation is performed, suspends execution of the changing processing.SELECTED DRAWING: Figure 1