baber/WOPTO huggingface dataset:
Patent JP-2020045978-A (JP)
Title: Chain tensioner
Inventor: ONIMARU KOICHI
IPC: F16H7/08
Filed: 2018-09-19
Abstract: To provide a chain tensioner having high following performance to loosening of a chain, and reduced in outflow of an oil.SOLUTION: A chain tensioner includes a tubular cylinder 9 opened at one end and closed at the other end, a cylindrical plunger 10, a return spring 33, a pressure chamber 18 changing a volume in accompany with axial movement of the plunger 10, a check valve 20 permitting only flow of an oil from the inside of the plunger 10 into the pressure chamber 18, a leak gap c0 formed between an outer periphery of the plunger 10 and an inner periphery of the cylinder 9, an oil supply passage 31 for introducing the oil from the outside to the inside of the cylinder 9, and a communication passage 30 for communicating the leak gap c0 with the inside of the plunger 10. It further includes a circumferential seal groove 35 formed on an outer periphery 32 of the plunger 10 at one end side with respect to the oil supply passage 31, and a seal ring 36 disposed in the seal groove 35, and a seal gap c1 is defined between an outer periphery 36d of the seal ring 36 and an inner periphery 14 of the cylinder 9.SELECTED DRAWING: Figure 3
Patent JP-2020046629-A (JP)
Title: Information processing apparatus, projection device, control method, and program
Inventor: TAKEUCHI HIDEJI
IPC: G03B21/14
Filed: 2018-09-21
Abstract: To perform optical control of a projection area of a projection device with improved processing efficiency and high accuracy.SOLUTION: An information processing apparatus for controlling a projection area of an image projected by projection means of a projection device includes: detection means of continuously detecting the projection area by detecting feature points in the projection area; and control means of adjusting the projection area to be close to the position or size of a target area by controlling the projection means. The control means may cause the projection means to execute: first control of modifying the projection area even when the detection means detects the projection area; and second control which does not modify the projection area when the detection means detects the projection area, and then modifies the projection area in accordance with the detected projection area. The detection means detects a less number of feature points in a first case where the projection means performs the first control, than in a second case where the projection means performs the second control.SELECTED DRAWING: Figure 6
Patent JP-2020049954-A (JP)
Title: Electronic control device
Inventor: MIYAMOTO SHOGO
IPC: B60W20/13
Filed: 2018-09-21
Abstract: To enable a user to set a condition to charge a battery.SOLUTION: In an electronic control device which is installed in a vehicle which comprises a motor which drives the vehicle with the electronic control device, the battery which supplies electric power to the motor, a generator which performs charging of the battery and an engine which drives the generator, there is provided a control unit configured so that a user is capable of setting such a condition as to charge the battery by activating the engine.SELECTED DRAWING: Figure 2
Patent JP-2020051659-A (JP)
Title: Ventilation hole member
Inventor: ITO RYOSUKE
IPC: F24F7/04
Filed: 2018-09-26
Abstract: To suppress dropping risk of a lower member.SOLUTION: A ventilation hole includes: an indoor side opening for being joined with an air blowing duct; an outdoor side opening disposed on an almost vertical flat surface with respect to a flat surface including the indoor side opening and open vertically downward; an upper member for communicating the indoor side opening with the outdoor side opening; and a tubular lower member elongating the outdoor side opening downward. The lower member includes: a first side surface member; a second side surface member facing the first side surface member; a front member adjacent to the first side surface member and the second side surface member; and a rear member facing the front member and located on a side nearer to the indoor side opening side than to the front member. The first side surface member, the second side surface member and the front member are each provided with a vertically joined flat surface which is a flat surface extending upward from below in the installation state of the ventilation hole member and is locked on the upper member. The rear member is provided with a horizontally joined flat surface elongated toward the indoor side opening from the upper edge side of the rear member and locked on the upper member.SELECTED DRAWING: Figure 6
Patent JP-2020053804-A (JP)
Title: Transmitter and video signal transmission system
Inventor: TANI KAZUMA
IPC: H04L12/28
Filed: 2018-09-26
Abstract: To provide a transmitter that accurately synchronizes with an apparatus connected to a network on the basis of time information.SOLUTION: In a video signal transmission system, a transmitter synchronizes and transmits a video signal from an external device with a synchronization signal. The transmitter includes a communication unit and a control unit. The communication unit communicates with at least one of other transmitters and at least one receiver. The control unit determines whether to operate as a master that generates the synchronization signal or as a slave that synchronizes with the synchronization signal. The control unit detects a delay time of communication between each receiver and each of other transmitters, and finds the maximum delay time of the detected delay time. When the maximum delay time is smaller than the maximum delay time of other transmitters, the control unit determines to operate as a master and otherwise, to operate as a slave.SELECTED DRAWING: Figure 4
Patent JP-2020049052-A (JP)
Title: Game board
Inventor: SHIMOHIRA TSUYOSHI
IPC: A63F5/04
Filed: 2018-09-28
Abstract: To provide a game board having new features capable of differentiating from other game boards in execution of a special performance during the closest period for forcibly completing an advantageous state.SOLUTION: In a game board capable of executing two kinds of ending performances, execution of an ending performance B is not started even if an execution condition of the ending performance B is satisfied during execution of an ending performance A when execution of the ending performance A is started after satisfaction of an execution condition of the ending performance A in a limited state.SELECTED DRAWING: Figure 44
Patent JP-2020049104-A (JP)
Title: Game machine
Inventor: IKENOTANI KOICHI
IPC: A63F7/02
Filed: 2018-09-28
Abstract: To provide a game machine which enables easy assembly and reduction in component cost and which can enhance visual effect.SOLUTION: A game machine is provided with a front door to be disposed on the front side of a game board. A transparent plate unit 7' of the front door includes: a first transparent member 7A to be disposed on the game board side; and a second transparent member 7B to be disposed on the front side with respect to the first transparent member 7A. The second transparent member 7B has a front portion 7Ba facing the game board and a side portion 7Bb extending backward from the front portion 7Ba. The front portion 7Ba and the side portion 7Bb are formed integrally so as to be continuous with a curved surface.SELECTED DRAWING: Figure 114
Patent JP-2020050818-A (JP)
Title: Active energy ray curable inkjet ink set and manufacturing method of printed matter by active energy ray curable inkjet ink set
Inventor: KAWAI YASUHIRO
IPC: C09D11/40
Filed: 2018-09-28
Abstract: To provide an active energy ray curable inkjet ink set capable of providing a printed matter for outdoor installation excellent in sharpness and weather resistance of images.SOLUTION: An aim of the invention is achieved by an active energy ray curable inkjet ink set having at least a yellow ink, a magenta ink and a cyan ink, in which each ink contains at least a pigment and a polymerizable compound, the cyan ink contains 1.3 to 2.8 mass% of a cyan pigment, the magenta ink contains 2.7 to 4.5 mass% of a magenta pigment, the yellow ink contains 2.0 to 5.0 mass% of a yellow pigment, and amounts of each pigments are cyan pigment:magenta pigment:yellow pigment=1:1.3 to 2.0:1.5 to 2.4 (mass ratio).SELECTED DRAWING: None
Patent JP-2020050849-A (JP)
Title: Flame-retardant resin composition
Inventor: TSUNEOKA SHUSUKE
IPC: C08K3/22
Filed: 2018-09-28
Abstract: To provide a flame-retardant resin composition that maintains excellent flame retardancy equal to or higher than those of the conventional products without using an antimony compound, and can prevent a decrease of flexibility and discoloration when used for a fiber product.SOLUTION: A highly flame-retardant resin composition contains a polyvinyl chloride resin emulsion with a glass transition temperature of 10°C or more, an emulsified dispersion of a liquid phosphorus flame retardant, a metal hydroxide and a metal oxide. In terms of the solid content, relative to 100 pts.wt. of the polyvinyl chloride resin emulsion, the liquid phosphorus flame retardant is 10-300 pts.wt.SELECTED DRAWING: None
Patent JP-2019075977-A (JP)
Title: Energy harvesting circuit including oscillation structure
Inventor: MASSIMILIANO BRACCO
IPC: H02M3/155
Filed: 2018-10-02
Abstract: To provide an energy harvesting circuit including an oscillation structure.SOLUTION: An energy harvesting circuit 1 includes oscillation circuits Le, Ce having an inductor Le connected with the first oscillation circuit node 4, and a first capacitor Ce connected in series with the inductor Le, and connected with a second oscillation circuit node 5, first switches S1 to S4 connected between the first oscillation circuit node 4 and multiple energy sources 3, and connecting and disconnecting the energy source 3 selectively, a second switch 9 connected between the ground and the first oscillation circuit node 4, a voltage adjustment element 11 for controlling the voltage across the energy source 3, a control circuit 6 for controlling the first and second switches to open and close, and a clock signal generator 7 for supplying a first clock signal to the control circuit so that the first and second switches S1 to S4, 9 can be opened and closed.SELECTED DRAWING: Figure 1
Patent JP-2020059833-A (JP)
Title: Red phosphor, light-emitting element, power generation element and light-emitting device
Inventor: LI CHENGZHOU
IPC: C01G17/00
Filed: 2018-10-12
Abstract: To provide a new type red phosphor that can exhibit excellent emission characteristics even when an excitation source in a longer wavelength region than a UV-C ultraviolet region is used.SOLUTION: A red phosphor is represented by a general formula (x-a)MgO aMXyMgF(y-b)MeX(1-f-g)GeOfMOgMX:zMn, where Me represents at least one element selected from a group consisting of alkaline earth metals and Zn; Mrepresents at least one element selected from a group consisting of rare earth elements and group 13 elements; Mrepresents at least one element selected from a group consisting of P, As, Sb, V, Nb and Ta; Mrepresents at least one element selected from a group consisting of Al and Ga; X represents a halogen element; and x, y, z, a, b, f, g satisfy 2≤x≤4, 0.3≤y≤2, 0.005≤z≤0.5, 0≤a≤0.5, 0≤b≤1, 0≤f<0.5 and 0≤g<0.5. The red phosphor is excited by irradiation with near-ultraviolet rays or blue visible light to emit red visible light.SELECTED DRAWING: Figure 1
Patent JP-2020063936-A (JP)
Title: Electronic watch, control circuit of electronic watch, and hand position detection method
Inventor: KOBAYASHI HISAHIRO
IPC: G04C3/00
Filed: 2018-10-16
Abstract: To provide an electronic watch that can reduce the time from the start to the end of hand position detection.SOLUTION: An electronic watch 1 comprises: hands 11; an actuator 12 that drives the hands 11; a light emitting element 21; a light receiving element 22 that, when the hands 11 are at a reference position, selectively senses light emitted from the light emitting element 21; and a control circuit 35 that executes a first mode of, while lighting the light emitting element 21, continuously driving the hands in one direction until the control circuit detects the hands 11, and a second mode of, after the light receiving element 22 senses the light in the first mode and the hands 11 pass through the reference position, alternately executing the driving of the hands 11 and the lighting of the light emitting element 21 to detect that the hands 11 are at the reference position.SELECTED DRAWING: Figure 1
Patent JP-2019080056-A (JP)
Title: Magnet including composite magnetic material and motor using the same
Inventor: NISHIMURA NAOKI
IPC: H01F1/11
Filed: 2018-10-17
Abstract: To provide a magnet including a composite magnetic material excellent in magnetic characteristics.SOLUTION: The magnet is provided which includes a composite magnetic material 1, the composite magnetic material 1 is configured in such a manner that a plurality of hard magnetic particles 3 are dispersed like islands in a soft magnetic phase 2, and the hard magnetic particles 3 have an average particle diameter of 2 nm or more and are present in the soft magnetic phase 2 at an average interparticle distance of 100 nm or less.SELECTED DRAWING: Figure 1
Patent JP-2020068547-A (JP)
Title: Backup power supply system
Inventor: NAKAMURA YUKI
IPC: H01M10/48
Filed: 2018-10-22
Abstract: To assuredly back up power when commercial power is interrupted.SOLUTION: A backup power supply system 1 includes: a storage battery 23; a fuel battery 25; a DC bus BUS via which the storage battery 23 and the fuel battery 25 are connected; a converter 21 that, upon receiving commercial power, converts AC power to DC power and outputs the DC power to the DC bus BUS; an inverter 29 that converts the DC power outputted to the DC bus BUS to AC power, and outputs the AC power; a switching circuit 7 that outputs power to a load side while performing switching between the commercial power and the AC power outputted from the inverter 29; and a control unit 27 that controls switching in the switching circuit 7 in accordance with an interruption state of the commercial power. The converter 21 outputs the DC power such that a voltage of the DC power is higher than a normal-operation-time output voltage of the fuel battery 25, and is equal to or higher than a charging voltage necessary for the storage battery 23 to start the fuel battery 25.SELECTED DRAWING: Figure 2
Patent JP-2020066309-A (JP)
Title: Safety device for flying body, and flying body equipped with safety device for flying body
Inventor: NAKAMURA HIROSHI
IPC: B64D25/00
Filed: 2018-10-23
Abstract: To provide a safety device for a flying body capable of reducing swing during operation, as compared with the prior art, and a flying body equipped with the safety device for a flying body.SOLUTION: An injection device 80 is equipped with a paraglider 1, and an actuator 88. The actuator 88 is equipped with an electromagnetic device 84 which includes a power supply portion 84a provided outside a housing 86 and an electromagnetic coil 84b provided inside a recessed portion 82 before the operation of the device; and a permanent magnet 85 fixed on a bottom portion of the recessed portion 82. The power supply portion 84a has an on/off switch, and a part that can be connected with a control portion so as to receive a signal. When the power supply portion 84a is connected with the control portion, the on/off switch is actuated to turn on by a command signal from the control portion, thereby supplying power to the electromagnetic coil 84b. The electromagnetic coil 84b is from a metallic wire such as a copper wire, and generates magnetic force against the permanent magnet 85 by energizing.SELECTED DRAWING: Figure 1
Patent JP-2019194667-A (JP)
Title: Image forming apparatus
Inventor: ISHIDA TSUTOMU
IPC: G03G21/20
Filed: 2018-10-25
Abstract: To make it possible to accurately detect a sheet under an environment where dew condensation may occur.SOLUTION: Light output from light-emitting means travels across a conveyance path, is reflected on a reflection member, and enters light receiving means. When a sheet is on the conveyance path, the light is blocked by the sheet. Detection means detects whether the sheet is at a position on the conveyance path across which the light travels on the basis of a detection signal output by the light receiving means according to the quantity of received light. Control means attempts to reduce dew condensation on the reflection member by adjusting at least one of the volume of air and operating time of air blowing means, according to the detection signal output by the light receiving means when the sheet is not at the position on the conveyance path across which the light travels.SELECTED DRAWING: Figure 7
Patent JP-2020070113-A (JP)
Title: Door device of elevator
Inventor: NOSAKA SHIGEYUKI
IPC: B66B13/26
Filed: 2018-10-29
Abstract: To provide a door device of an elevator capable of accurately detecting a foreign body caught in a door.SOLUTION: The door device of the elevator comprises a door capable of opening/closing an entrance of a car or of a landing, and a detector to detect a target area. At least one of the target area and the detector moves with the door opening/closing. While the detector detects the fully closed state where the door is fully closed by detecting the target area, the detector detects the open state where the door is opened by not detecting the target area. Or while the detector detects the fully closed state by not detecting the target area, the detector detects the open state by detecting the target area.SELECTED DRAWING: Figure 5
Patent JP-2020071201-A (JP)
Title: Estimation device, information processing device, estimation method, computer program and information system
Inventor: KOBAYASHI ARIE
IPC: G01F23/296
Filed: 2018-11-02
Abstract: To estimate an amount of a predetermined object stored in a predetermined container.SOLUTION: An estimation device includes: an acquisition part for acquiring a measurement value which is measured by an ultrasonic sensor provided on an inner upper part of a container storing a predetermined object therein and shows a difference in height from the inner upper part of the container to the upper surface of the object; and a remaining amount estimation part which estimates information indicating an amount of the object stored in the container based on the measurement value acquired by the acquisition part.SELECTED DRAWING: Figure 1
Patent JP-2020077172-A (JP)
Title: Driving evaluation device and driving evaluation system
Inventor: ATAKE YOSHINORI
IPC: G08G1/00
Filed: 2018-11-07
Abstract: To provide a driving evaluation device and a driving evaluation system capable of evaluating a labor status of a group.SOLUTION: A driving evaluation device includes an information acquisition unit, a storage unit, a driver extraction unit, a driver index calculation unit, an event detection unit, and a group evaluation unit. The information acquisition unit acquires information from a vehicle-mounted device having a function of generating vehicle information and a driver's identification information. The driver extraction unit extracts a driver belonging to a designated group. An information reading unit reads the vehicle information corresponding to the driver. The driver index calculation unit calculates a driver index. The event detection unit detects an event where the driver index is out of a proper range. The group evaluation unit calculates a frequency of occurrence of events.SELECTED DRAWING: Figure 1
Patent JP-2019102077-A (JP)
Title: Driving assistance device and driving assistance method
Inventor: KIM HAK KYOUNG
IPC: G08G1/16
Filed: 2018-11-09
Abstract: To provide a driving assistance method capable of judging a situation where a driver cannot recognize an external object when the external object suddenly appears or approaches a vehicle and capable of giving an approach warning of the external object.SOLUTION: An driving assistance method using a driving assistance device determines a visual line direction of a driver of a vehicle; identifies a position of a specific object; determines a distance between the vehicle and the specific object, S21; determines whether the position of the specific object is detected in an area other than a virtual viewing frustum corresponding to the driver's visual line direction, S22; if YES, determines whether the distance between the specific object and the vehicle is less than a predetermined distance, S23; and maintains or increases a threshold level of a trigger condition for providing an alarm in the case of YES, S24.SELECTED DRAWING: Figure 2
Patent JP-2020080015-A (JP)
Title: Monitoring apparatus and monitoring method
Inventor: SHAMOTO EIJI
IPC: B23Q15/12
Filed: 2018-11-12
Abstract: To provide a monitoring apparatus and so on which can easily estimate vibration characteristics and a cutting force of a mechanical structure, based on a result of vibration measured upon actual cutting, without using a force sensor and but only with a vibration sensor.SOLUTION: A monitoring apparatus 1 according to the present invention has a control device 4 connected to an acceleration sensor 2 for monitoring at least one of vibration characteristics and cutting force of an NC milling machine having a main shaft P with the acceleration sensor 2. The acceleration sensor 2 measures vibration when the main shaft P is rotated at a plurality of rotation speeds for cutting to obtain vibration measurement results for each rotation speed. A cutting force component for a plurality of dimensions is temporarily determined and each frequency component in vibration fluctuation is removed by the cutting force component. Thus, a compliance transmission function for the vibration characteristics is calculated by the frequency component, and an error as an evaluation value for the error is calculated from a calculated estimation value of the function. Thus, the cutting force component is repeatedly temporarily determined until the error becomes a predetermined value or less.SELECTED DRAWING: Figure 1
Patent JP-2020079437-A (JP)
Title: Austenite stainless steel
Inventor: KOCHI NORIFUMI
IPC: C22C19/05
Filed: 2018-11-14
Abstract: To provide an austenite stainless steel having excellent carburization resistance and excellent high-temperature creep strength.SOLUTION: An austenite stainless steel has a chemical composition containing, in mass%, C: 0.250 to 0.700%, Si: 0.01 to 2.00%, Mn: 2.00% or less, P: 0.040% or less, S: 0.010% or less, Cr: 10.00 to less than 25.00%, Ni: 30.00 to 60.00%, Al: more than 2.50% to 3.50%, Nb: 0.20 to 3.50%, and one or more selected from the group consisting of Zr: 0.0001 to 0.1000%, Hf: 0.0001 to 0.1000%, Sn: 0.0001 to 0.1000% and As: 0.0001 to 0.1000%, with the balance being Fe and impurities, and satisfying a formula (1): 0.06≤1.96×Zr+Hf+1.50×Sn+2.38×As≤0.55 (1).SELECTED DRAWING: None
Patent JP-2019071417-A (JP)
Title: Manufacturing method of dust core
Inventor: KATO TETSURO
IPC: H01F27/255
Filed: 2018-11-14
Abstract: To provide a manufacturing method of a dust core having a configuration suitable for reducing core loss and improving the strength.SOLUTION: A manufacturing method of a dust core 100 includes a step of obtaining a granulated powder in which an Fe-based soft magnetic alloy atomized powder 2 and Cu powder 3 are bound with a binder on the surface of a plate-like Fe-based soft magnetic alloy pulverized powder 1, a forming step of press-forming the granulated powder to obtain a compact, and a heat treatment step of annealing the compact to obtain the dust core 100. The Cu powder 3 and the atomized powder 2 are dispersed between the plate-like pulverized powders 1 and bound with the binder.SELECTED DRAWING: Figure 1