baber/WOPTO huggingface dataset:
Patent JP-2021056389-A (JP)
Title: Image display device
Inventor: ANDO TOMOHIRO
IPC: G09G3/36
Filed: 2019-09-30
Abstract: To provide a field sequential drive method image display device that can reduce an image delay while suppressing a processing process of image data from being complicated.SOLUTION: An image display device has a plurality of field periods made of at least one field period in one frame period, of a field period R displaying a red image by one screen, a field period G displaying a green image by one screen, and a field period B displaying a blue image by one screen, in which in at least one field period of the plurality of field periods n-th one frame period has, an image by one screen based on n-th image data is displayed, and in other at least one field period, an image by one screen based on a sequence (for example, n+1-th) image data different from n-th sequence is displayed.SELECTED DRAWING: Figure 2
Patent JP-2020025109-A (JP)
Title: Method of manufacturing nitride semiconductor light-emitting element
Inventor: YAMASHITA TOMOYA
IPC: H01L33/04
Filed: 2019-10-08
Abstract: To provide a method of manufacturing a nitride semiconductor light-emitting element that can improve lightness while suppressing a forward voltage Vf from rising.SOLUTION: The present invention relates to a method of manufacturing a nitride semiconductor light-emitting element that includes an n-side superlattice layer growing process of growing an n-side superlattice layer 4 having an InGaN layer and a GaN layer before growing a light-emitting layer. The n-side superlattice layer growing process includes repeating, by n cycles, a process including an InGaN layer growing process of growing one InGaN layer and a GaN layer growing process of growing one GaN layer. In the n-side superlattice layer growing process, the GaN layer growing process in first to m-th cycles is performed using a carriage gas which includes an N2 gas and does not include an H2 gas, and the GaN layer growing process in (m+1)-th to n-th cycles is performed using a gas which includes an H2 gas as a carrier gas.SELECTED DRAWING: Figure 1
Patent JP-2021058926-A (JP)
Title: Member joint method
Inventor: MAEDA YASUHIRO
IPC: B21D39/06
Filed: 2019-10-09
Abstract: To prevent local strain and cracks occurring in an elastic body when metal members are joined by the elastic body.SOLUTION: In a member joint method, a cylindrical first member 1 and a plate-like second member 2 having an opening are joined. The method includes: a step in which the first member 1 is inserted into the opening of the second member 2; a step in which an elastic body 6 is inserted into the first member 1; a step in which the outer diameter side of the first member 1 is guided by a pair of outer molds 5 at both sides of the second member 2; and a step in which the elastic body in the first member 1 is compressed with a pair of inner molds 4. Each inner mold 4 compresses the elastic body in a range in which the outer mold 5 is located.SELECTED DRAWING: Figure 4
Patent JP-2020155090-A (JP)
Title: Neural network accelerating device and method of operating the same
Inventor: JANG JAE HYEOK
IPC: G06N3/063
Filed: 2019-10-11
Abstract: To provide a neural network accelerating device improved in the arithmetic capacity and a method of operating the same.SOLUTION: A neural network accelerating device comprises: a signal detector configured to convert a first input signal and a second input signal under predetermined conditions, generate a zero-flag signal and a one-flag signal corresponding to each of the converted first and second arithmetic input signals, and output them with the first and second arithmetic input signals; and a PE cluster configured to read from a scratch pad that stores the first and second arithmetic input signals according to multiple flag signals transmitted from the signal detector, and change an arithmetic processing procedure for the first and second arithmetic input signals.SELECTED DRAWING: Figure 2
Patent JP-2021064849-A (JP)
Title: Image reading device, control method of the same, and program
Inventor: TACHIBANA YOSHIRO
IPC: H04N1/04
Filed: 2019-10-11
Abstract: To provide appropriate notification to resume a reading process when a skewed document is detected and the reading process is interrupted in an image reading device having multiple types of sensors in a loading unit that can detect different sheet widths.SOLUTION: In the image reading device, detection means is at least a first sensor capable of detecting a first sheet width and a second sensor capable of detecting the first sheet width and a second sheet width wider than the first sheet width, provided on a straight line intersecting a direction of transport of a document in a transport path. When skewing of the document being transported is detected by the detection means, the image reading device notifies a user that the document loaded in a loading unit may contain documents whose sheet widths are different from each other.SELECTED DRAWING: Figure 8
Patent JP-2021005857-A (JP)
Title: Computer program, information processing method, and video distribution system
Inventor: TAKAKUWA SOICHIRO
IPC: H04N21/47
Filed: 2019-10-15
Abstract: To provide a video distribution system, an information processing method and a computer program that are capable of properly connecting a distributing user and a viewing user.SOLUTION: In a video distribution system, one or more computer processors of an information processing device 400 comprise: a distribution unit to distribute a video including an animation of a character object of a distributing user to an information processing terminal of a viewing user; a determination unit to determine if an action of the viewing user on the video satisfies specific conditions when a prescribed association between the viewing user and the distributing user is not established; a display unit which, in response to the determination unit determining that the action of the viewing user on the video satisfies the specific conditions, displays a screen on the information processing terminal of the viewing user to request an input of whether to establish the prescribed association with the distributing user; and a storage unit which, in response to receiving, from the viewing user, the input of establishing the prescribed association, stores the association of the viewing user with the distributing user.SELECTED DRAWING: Figure 4
Patent JP-2020011379-A (JP)
Title: Driving tool
Inventor: IDA KEISUKE
IPC: B25C7/00
Filed: 2019-10-21
Abstract: To provide a driving tool which can stabilize a posture at driving by enlarging the tip end width of a nose portion, and enables the easy discrimination of a position of a shooting port even if the driving tool is inclined forward.SOLUTION: A driving tool 10 is provided with a nose portion 20 which guides a driver 15 for driving nails so as to reciprocate at a tip end of a tool body 11, and enable the shooting of the nails from the shooting port 20a opening at a tip end of the nose portion 20. The nose portion 20 is equipped with a front side member 21 supporting a front side of the driver 15, and a rear side member 22 supporting a rear side of the driver 15. The tip end width W2 of the rear side member 22 is formed to be smaller than the tip end width W1 of the front side member 21.SELECTED DRAWING: Figure 1
Patent JP-2021068963-A (JP)
Title: Power receiving device, power supply device, and optical fiber power supply system
Inventor: KOBAYASHI TAKAHIRO
IPC: H04B10/07
Filed: 2019-10-21
Abstract: To provide a power receiving device, a power supply device, and an optical fiber power supply system that can reduce excess of electric power to be supplied.SOLUTION: A power receiving device (310C) comprises: a photoelectric conversion element (311) that converts power supply light input from the outside of the device into electric power; a light returning unit (312) that can output part of the power supply light (112) to the outside of the device as return light; a power monitoring unit (315) that monitors the relationship between the supply and demand of electric power for a load (401); and a return control unit (314) that controls the light returning unit (312). The return control unit (314) causes the light returning unit (312) to output return light (313) representing a binary or multivalued signal value based on a result of the monitoring performed by the power monitoring unit (315). A power supply device (110C) comprises: a laser oscillation unit (111); a light receiving element (114) that receives the return light (313) returned from the outside of the device; and a power control unit (115) that gradually switches the power of the power supply light (112) based on the return light (313).SELECTED DRAWING: Figure 5
Patent JP-2021066312-A (JP)
Title: Vehicle seat
Inventor: TAGUCHI MASAYUKI
IPC: B60N2/22
Filed: 2019-10-23
Abstract: To provide a vehicle seat including a reclining device which enables left and right sides of a seat back to tilt independently and has a wide independently tiltable range.SOLUTION: A vehicle seat includes: a seat cushion supported by a cushion frame; a seat back supported by a back frame; and a reclining device which enables the seat back to be tiltable relative to the seat cushion. The reclining device independently has: a left driving part provided at a hinge part which connects a rear part of a left cushion frame with a lower part of a left back frame; and a right driving part provided at a hinge part which connects a rear part of a right cushion frame with a lower part of a right back frame. The vehicle seat includes a connection member which connects the left back frame with the right back frame and enables torsional displacement.SELECTED DRAWING: Figure 2
Patent JP-2021069547-A (JP)
Title: Game machine
Inventor: WATANABE NAOYUKI
IPC: A63F7/02
Filed: 2019-10-30
Abstract: To provide a game machine capable of executing a game performance that may enhance interest in a game.SOLUTION: A symbol variation performance can be executed by any one performance mode of a plurality of kinds of performance modes. When a specific performance mode is started, a specific performance mode start performance that indicates start of the specific performance mode can be executed. The specific performance mode start performance is a performance in which a plurality of character images indicating characters constituting a name of the specific performance mode are displayed in image display means in a predetermined order, light emission means emits light by a first light emission mode in response to the display of the character images, then a name image indicating an entire name of the specific performance mode is displayed in the image display means, and the light emission means emits light by a second light emission mode in response to the display of the name image.SELECTED DRAWING: Figure 44
Patent JP-2020078547-A (JP)
Title: Golf balls incorporating thermoplastic blend
Inventor: SULLIVAN MICHAEL J
IPC: C08L75/04
Filed: 2019-10-31
Abstract: To provide golf balls incorporating durable thermoplastic polyurethane compositions, and methods of making the same.SOLUTION: The invention provides golf balls incorporating a thermoplastic blend of: an ionomer; a different thermoplastic polymer selected from thermoplastic polyurethanes, thermoplastic ureas, and/or thermoplastic urea-urethane hybrids; and a third polymer. The ionomer is present in an amount of about 45 wt.% or more. The thermoplastic polymer may be present in an amount from about 8 wt.% to about 50 wt.%; or from about 25 wt.% to about 45 wt.%; or from about 35 wt.% to about 50 wt.%. The ionomer content may be greater than the thermoplastic polymer content. The third polymer is present in an amount disclosed herein.SELECTED DRAWING: None
Patent JP-2021072258-A (JP)
Title: Fuel cell system
Inventor: OKADA MICHITADA
IPC: H01M8/04858
Filed: 2019-11-01
Abstract: To provide a fuel cell system that can prevent a reduction in merit in operating a fuel cell.SOLUTION: A fuel cell system 100 of the present disclosure comprises: a fuel cell 11 that generates electric power supplied to a user; and a control unit 30 that controls the operation of the fuel cell 11. The control unit 30 includes: a calculation unit 31 that calculates a requested power amount requested from the user; a requested power operation unit 32 that calculates, in a first period, the average requested power amount that is the average value of the requested power amounts in the first period during which the requested power amount satisfied a predetermined condition; and an operation determination unit 33 that determines whether the fuel cell 11 can be operated. The predetermined condition includes a state where the requested power amount is equal to or more than a first predetermined value. The operation determination unit 33 has first determination control of comparing the average requested power amount with a preset determination value to determine whether the fuel cell 11 can be operated.SELECTED DRAWING: Figure 1
Patent JP-2021077494-A (JP)
Title: connector
Inventor: KOBAYASHI SHINGO
IPC: H01R13/56
Filed: 2019-11-07
Abstract: To provide a connector with a new structure which can suppress or prevent the transmission of external force due to displacement such as shaking of a wire to a terminal inside the connector.SOLUTION: A connector 10 includes a housing 16 that accommodates a terminal 12, a back retainer 60 attached to the rear end of the housing 16 from which a wire 18 connected to the terminal 12 is pulled out, a cylindrical wire insertion hole 94 provided in the back retainer 60, and a wire pressing portion 70 projecting from the inner peripheral surface of the wire insertion hole 94, and the hole diameter of the wire insertion hole 94 is larger than the outer diameter of the wire 18, and the wire 18 is held in a state of being pressed by the wire pressing portion 70 against the wire insertion hole 94.SELECTED DRAWING: Figure 2
Patent JP-2021076473-A (JP)
Title: Image processing apparatus, imaging apparatus, image processing method, and program
Inventor: NAGAMATSU YASUNARI
IPC: G01C3/06
Filed: 2019-11-08
Abstract: To improve distance measurement accuracy without increasing the power consumption of an image processing apparatus that performs distance measurement processing.SOLUTION: In an embodiment of the present invention, an image processing apparatus calculating distance information on an image has: a reliability calculation unit 113 that calculates reliability according to contrast for every pixel of the image; and a distance calculation unit 116 that calculates distance information on every pixel based on the reliability of every pixel. The distance calculation unit 116 calculates distance information for a second pixel group with a reliability lower than that of a first pixel group, within a range not exceeding the amount of operation when a collation area of a predetermined size is used for all the pixels of the image, by using a collation area of a size larger than the predetermined size.SELECTED DRAWING: Figure 1
Patent JP-2021074693-A (JP)
Title: Base material for filter
Inventor: SHIRATAKE TAKUMA
IPC: B01D39/16
Filed: 2019-11-12
Abstract: To provide a base material for filter which can realize an air filter or a mask having low pressure loss and excellent air permeability and collection efficiency in which the collection efficiency is prevented from being unintentionally reduced, as well as, filtered gas is prevented from being unintentionally polluted.SOLUTION: A base material for filter contains frictionally charged fibers which satisfy both of the following two items which are evaluated by a measuring method concerning the present invention: "(i) a lighter weight of a fallen fiber weight (A) and a fallen fiber weight (B) is less than 5.8 g/m2; and (ii) the sum of the fallen fiber weight (A) and the fallen fiber weight (B) is less than 18.4 g/m2".SELECTED DRAWING: None
Patent JP-2021080396-A (JP)
Title: Inorganic oxide dispersion having high transparency
Inventor: AIZAWA SATORU
IPC: C08K3/22
Filed: 2019-11-21
Abstract: To provide a high-transparency inorganic oxide dispersion having high temporal stability, or the inorganic oxide dispersion having high compatibility with various polyamic acids or polyimides, and having high heat resistance to resist discoloration particularly at high temperature, and a coating and a film including the dispersion.SOLUTION: An inorganic oxide dispersion includes an inorganic oxide, an amine represented by general formula A, an aliphatic hydroxy acid with a molecular weight of 200 or lower, a silicon compound, and a solvent with a dielectric constant of 18 or higher. In the formula, R1 represents an alkyl group with a carbon number of 1-13. R2 and R3 each independently represents a hydrogen atom or an alkyl group with a carbon number of 1-13.SELECTED DRAWING: None
Patent JP-2021081631-A (JP)
Title: Optical system and image projection device
Inventor: NOJIMA KEI
IPC: G03B21/00
Filed: 2019-11-21
Abstract: To provide an optical system and an image projection device that reduce the influence of unnecessary light and prevent a reduction in light use efficiency.SOLUTION: An image projection device 300 comprises: a light modulation element 103 that emits incident light 250 to different directions; and an illumination optical system 301 that emits light radiated from a light source 101 toward the light modulation element 103. The illumination optical system 301 includes a first fly-eye lens 14A, a second fly-eye lens 14B, and a field lens 15, and is provided, on the upstream side of the filed lens 15 on a light path, with a light shielding unit 50 that blocks light incident on an effective diameter of the field lens 15. In a direction orthogonal to an optical axis 101A of the light radiated from the light source 101, the optical axis 101A is shifted in a direction opposite to the light shielding unit 50 from a center position 15M of the effective diameter of the field lens 15.SELECTED DRAWING: Figure 1
Patent JP-2021081172-A (JP)
Title: refrigerator
Inventor: MORIWAKI MINORU
IPC: F25D11/00
Filed: 2019-11-22
Abstract: To provide a refrigerator in which more proper cooling control can be performed.SOLUTION: A refrigerator has a housing, a cooling unit, and a control unit. The housing includes a storage portion. The cooling unit cools the storage portion. The control unit can control the cooling unit in a control mode in which a first cooling control for cooling the storage portion, and a second cooling control for cooling the storage portion in a temperature zone higher than that of the first cooling control or in an atmospheric pressure zone higher than that in the first cooling control are alternately repeated, and when a prescribed condition is satisfied during the execution of the control mode, the control unit adjusts adjustment elements relating to a temperature in the storage portion, an atmospheric pressure in the storage portion, or an execution time in the first cooling control or the second cooling control.SELECTED DRAWING: Figure 6
Patent JP-2020195275-A (JP)
Title: Vehicle wireless power transmission device
Inventor: KWEON KYOUNG CHUN
IPC: H02J50/70
Filed: 2019-11-25
Abstract: To provide a vehicle wireless power transmission device that can prevent wireless charging efficiency from deteriorating even if a short-range communication antenna for data communication and a wireless power transmission antenna for wireless charging are provided.SOLUTION: A vehicle wireless power transmission device includes: a magnetic field shielding sheet for shielding a magnetic field; a wireless power transmission antenna attached on one surface of the magnetic field shielding sheet; and a wireless communication antenna attached on the surface of the magnetic field shielding sheet on which the wireless power transmission antenna is attached. The wireless power transmission antenna and the wireless communication antenna are arranged on the same plane.SELECTED DRAWING: Figure 3
Patent JP-2021086258-A (JP)
Title: Attitude estimation apparatus and attitude estimation method
Inventor: OZASA TAKAYUKI
IPC: G01B11/26
Filed: 2019-11-26
Abstract: To provide a technology of improving the accuracy of attitude estimation of a camera mounted on a moving body.SOLUTION: An attitude estimation apparatus 1 includes: an extraction unit 121 which extracts feature points from an image captured by a camera mounted on a moving body; a calculation unit 122 which calculates moving amount of feature points between two images captured at different times; and an estimation unit 123 which estimates attitude of the camera on the basis of movement of feature points excluding feature points whose moving amounts are equal to or less than a predetermined value.SELECTED DRAWING: Figure 1
Patent JP-2021085444-A (JP)
Title: Connecting mechanism
Inventor: KURIBAYASHI AKITOMO
IPC: F16C1/14
Filed: 2019-11-26
Abstract: To provide a connecting mechanism which is easy in the assembling of a cable to a slider slidably accommodated in a joint case, and can prevent the cable from falling down from the slider.SOLUTION: In a connecting mechanism having a slider having a connection part connected to an end part of a cable, the connection part has a cable end accommodation part for accommodating the cable end, and a release suppression part for suppressing the release of the cable. The release suppression part has: an arrangement space in which the cable extending from the cable end is arranged in a state in which the cable is connected to the slider; an introduction port which is opened in a clearance having a diameter equal to a line diameter of the cable or larger in a vertical direction with respect to an axis of the cable, and allows the passage of the cable by moving the cable in the vertical direction of the axis; a passage part which communicates with the arrangement space and the introduction port, and in which the cable can move to the arrangement space via the introduction port; and a first regulation part for blocking a moving direction of the cable when the cable arranged in the arrangement space moves in a direction parallel to a direction in which the passage part extends.SELECTED DRAWING: Figure 2
Patent JP-2021086943-A (JP)
Title: Etching liquid
Inventor: SATO KANJI
IPC: C09K13/04
Filed: 2019-11-28
Abstract: To provide etching liquid capable of improving the ratio of the etching rate of a silicon nitride film to a silicon oxide film.SOLUTION: Etching liquid according to an embodiment of the present invention for a step of removing a silicon nitride film from a substrate having the silicon nitride film and a silicon oxide film includes a silicon compound, phosphoric acid, and water, and the degree of polymerization of the silicon compound is 2 or more and 4000 or less, and the degree of polymerization is a value obtained by dividing the weight average molecular weight of the silicon compound after adjusting an alkaline aqueous solution having pH 12 and containing the silicon compound to 0.5 and storing the alkaline aqueous solution at 165°C for 2 hours by the weight average molecular weight of the silicon compound in an alkaline aqueous solution having pH 12.SELECTED DRAWING: None