baber/WOPTO huggingface dataset:
Patent JP-2019092382-A (JP)
Title: Charging circuit and mobile terminal
Inventor: ZHANG JIALIANG
IPC: H02M3/28
Filed: 2019-02-15
Abstract: To provide a charging circuit and a mobile terminal improving reliability.SOLUTION: In a charging circuit 30, a first circuit 31 is configured to receive a first current from a charge interface 10, and to convert the first current into a second current having changed magnitude and/or direction. A magnetic coupling element 33 includes a first coil 331 and a second coil 332. The first coil 331 and the second coil 332 are separated from each other so that the first coil 331 is connected with the first circuit 31, the second coil 332 is connected with a second circuit 32, and the DC current path of the charging circuit 30 is disconnected. By using the second current having changed magnitude and/or direction, the magnetic coupling element 33 changes over energy from the first coil 331 to the second coil 332 by induction manner, and generates a third current.SELECTED DRAWING: Figure 2
Patent JP-2019112720-A (JP)
Title: Alloy for r-t-b-based rare earth sintered magnet, r-t-b-based rare earth sintered magnet
Inventor: HORIKITA MASATERU
IPC: B22F3/00
Filed: 2019-02-15
Abstract: To provide an alloy for R-T-B-based rare earth sintered magnet capable of providing a high coercivity R-T-B-based magnet even in the case that B concentration is low and Dy concentration is zero or extremely low, and the R-T-B-based rare earth sintered magnet.SOLUTION: The alloy for R-T-B-based rare earth sintered magnet is an ally consisting of R, which is a rare earth element; T, which is a transition metal essentially containing Fe; Ga, B and inevitable impurities, with R of 13 to 15.5 atom%, B of 5.0 to 6.0 atom%, Ga of 0.1 to 2.4 atom%, T as balance, percentage of Dy in all rare earth elements of 0 to 65 atom%, and satisfying the following (Formula 1), in which hydrogen emission amount is maximum at 400 to 500°C. 0.32≤B/TRE≤0.40 (Formula 1). In the (Formula 1), B represents concentration of a boron element (atom%) and TRE represents concentration of total rare earth elements (atom%).SELECTED DRAWING: Figure 2
Patent JP-2020132748-A (JP)
Title: Method for preparing isoolefin polymers
Inventor: YOSHIMITSU HAYATO
IPC: C08F297/00
Filed: 2019-02-19
Abstract: To provide a method for producing an isoolefin polymer with a small amount of catalyst, while keeping living property of a growth terminal, and in a short polymerization time.SOLUTION: There is provided a method for producing an isoolefin polymer including: a step 1 of polymerizing an isoolefin to a conversion of 3 to 30% in the presence of RTiX(wherein, R's are the same or different and each represents an alkyl group having 1 to 6 carbon atoms or an alkoxy group having 1 to 6 carbon atoms; X's are the same or different and each represents a halogen atom; m is an integer of 0 to 3); and a step 2 of further polymerizing an isoolefin by co-presence of a Lewis acid containing a group 13 element as a constituent element after the step 1.SELECTED DRAWING: None
Patent JP-2020141473-A (JP)
Title: Electric blower and electric apparatus provided with electric blower
Inventor: TAKAHASHI YUTA
IPC: H02K9/06
Filed: 2019-02-28
Abstract: To sufficiently cool heat generated by sliding movement of a commutator and a brush, by introducing air directly to the commutator and the brush.SOLUTION: An electric blower includes a rotor that is disposed in a rotatable manner, a commutator that is attached to a rotor shaft, a brush that serves as a sliding contact for driving and rotating the rotor shaft via the commutator, a substantially tubular brush sleeve into which the brush is inserted so as to be able to advance and retract, a brush holder that fixes the brush and the brush sleeve to a frame, a blower part that is attached to the shaft and that sends the outside air to the inside of the frame by rotation of the shaft, a flange part that is disposed on an opening side of the frame, and a ventilation port that is provided in the flange part and that discharges the air sent by the blower part. The brush holder is provided with a bypass air passage for guiding the air sent by the blower part and discharged from the ventilation port to the brush. In the brush holder, the brush sleeve and the bypass air passage are formed as an integrated air passage.SELECTED DRAWING: Figure 2
Patent JP-2019143805-A (JP)
Title: Vibration damper
Inventor: JOACHIM FUNKE
IPC: F16F9/46
Filed: 2019-02-28
Abstract: To allow a vibration damper to be configured with a compact external dimension and to provide good and quick vibration damping.SOLUTION: In a vibration damper, a piston 2 is disposed in a pressure medium cylinder inner tube 1 so as to be movable in an axial direction together with a piston rod 3. The piston divides the pressure medium cylinder inner tube 1 into an inflow chamber 4 and an outflow chamber 5, in which an electroviscous fluid is contained as a pressure medium, and which are connected to each other through a throttle gap 6 between electrode tubes 7. The electrode tubes 7 are coaxially surrounded by another outer tube 8, and the outer tube forms, together with the electrode tube 7, a gas pressure chamber 9 that is connected to the inflow chamber 4 through a bottom valve 10. Linear-shaped or screw spiral-shaped seal means 11 is disposed between the cylinder inner tube 1 and the electrode tube 7, and divides the throttle gap 6 into valve partial gaps 12, 13. A first throttled check valve 14 is provided, which is opened into the gas pressure chamber 9.SELECTED DRAWING: Figure 1
Patent JP-2020140097-A (JP)
Title: Fixing device and image forming apparatus
Inventor: KOHAMA ATSUSHI
IPC: G03G15/20
Filed: 2019-02-28
Abstract: To provide a fixing device that can prevent an increase in frictional force acting between a heater and a fixing belt without complicating rotation control of a pressure roller, and an image forming apparatus.SOLUTION: A fixing device 17A comprises: a fixing belt 31; a pressure roller 51 that is provided in contact with an outer peripheral surface of the fixing belt 31; a heater 32A that is provided opposite to the pressure roller 51 with the fixing belt 31 therebetween and is in pressure contact with the fixing belt 31; and a retention unit 36 that is provided within a contact range with the fixing belt 31 in the heater 32A, retain a lubricant, and is at least partially opened toward the fixing belt 31 in a retention space.SELECTED DRAWING: Figure 2
Patent JP-2020149797-A (JP)
Title: Card connector
Inventor: KONISHI YUICHI
IPC: H01R13/631
Filed: 2019-03-11
Abstract: To provide a card connector that reduces the number of parts and reduces manufacturing costs.SOLUTION: A card 3 including an insulating support 4 and a terminal portion supported by the support 4 is connected to a card connector 1. The card connector 1 includes a resin housing 30, and a plurality of contacts 40 having contacts. The housing 30 includes a housing body 10 in which an insertion recess S into which the card 3 is inserted in a card insertion direction X1 is formed, and a lock arm 20 extended from the housing body 10. The lock arm 20 elastically and directly engages with the locked surface (outer surface 4e) of the card 3 to hold the card 3 in the insertion complete position with respect to the insertion recess S.SELECTED DRAWING: Figure 8C
Patent JP-2020150443-A (JP)
Title: Information processing device, reader/writer, side lobe passage determination method, and control program
Inventor: MATSUI SHUICHI
IPC: H04B5/02
Filed: 2019-03-14
Abstract: To determine whether an RF tag has passed through the side lobe of a reader/writer.SOLUTION: An information processing device includes: a time-series data acquisition unit (acquisition unit) 103 for acquiring time-series data on reception intensity at an RF tag 12 moving across a main lobe of a reader/writer 100; and a determination unit 104 for determining whether the RF tag 12 has passed through the side lobe of the reader/writer 100 from a change in the reception intensity.SELECTED DRAWING: Figure 1
Patent JP-2020150478-A (JP)
Title: Irreversible circuit element, manufacturing method thereof, and communication device using irreversible circuit element
Inventor: OHATA SHUSUKE
IPC: H01P1/387
Filed: 2019-03-15
Abstract: To provide an irreversible circuit element that prevents changes in electric characteristics due to the gap between a central conductor and a ferrite core.SOLUTION: An irreversible circuit element 10 includes: a magnetic rotor 40 disposed between ground conductors 51 and 52; and permanent magnets 31 and 32 for applying a DC magnetic field to the magnetic rotor 40. The magnetic rotor 40 includes: a ferrite core 41 whose one surface is covered with the ground conductor 51; a ferrite core 42 whose one surface is covered with the ground conductor 52; a central conductor 70B fixed directly to the other surface of the ferrite core 41; and a central conductor 70A fixed directly to the other surface of the ferrite core 42. Since the central conductors 70A and 70B are fixed directly to the ferrite cores 42 and 41 in this way, respectively, there is no gap between them. This makes it possible to prevent changes in electric characteristics due to the gap between the central conductors and the ferrite cores.SELECTED DRAWING: Figure 3
Patent JP-2020151851-A (JP)
Title: Image forming apparatus, program, and image forming system
Inventor: KUROSAWA ASUKA
IPC: G06F3/12
Filed: 2019-03-18
Abstract: To provide an image forming apparatus capable of achieving printing on the basis of a request in a case where a relay part relays a printing job when a user requests use of a function which is not included in limited functions.SOLUTION: An image forming apparatus 30 includes: a reception part 301 that receives a print job J1 in which setting information indicating print setting for printing print data D1 is incorporated as a part of the print data D1, and a control part 304 that performs printing according to the print setting indicated by the setting information incorporated in the print data D1 of the print job J1.SELECTED DRAWING: Figure 1
Patent JP-2020155820-A (JP)
Title: Power amplifier
Inventor: NODA TAKASHI
IPC: H03F3/217
Filed: 2019-03-18
Abstract: To provide a power amplifier which has good conversion efficiency.SOLUTION: The power amplifier comprises a power amplifier circuit including a first switching element, a second switching element, a first capacitor, and a second capacitor. The first switching element is controlled with a first PWM signal generated from an input signal. The second switching element is controlled with a second PWM signal opposite in phase to the first PWM signal. The first capacitor is connected to the first switching element in parallel. The second capacitor is connected to the second switching element in parallel.SELECTED DRAWING: Figure 1
Patent JP-2020151865-A (JP)
Title: Resin sheet
Inventor: OSHIMA NONOKA
IPC: B32B27/20
Filed: 2019-03-18
Abstract: To provide a resin sheet in which the occurrence of warpage can be suppressed.SOLUTION: A resin sheet 10 is provided that includes: a base material sheet 1 which contains a first inorganic material having an average particle diameter of 1 [μm] or more and 3 [μm] or less and a second inorganic material having an average particle diameter of 20 [μm] or more and 50 [μm] or less in a thermoplastic resin and has a thickness of 50 [μm] or more and 250 [μm] or less; adhesive layers 2 and 4 layered on the base material sheet 1; and film-like thermoplastic resin synthetic papers 6 and 8 layered on the adhesive layers 2 and 4 respectively, the contents of the first inorganic material and the second inorganic material are in a range of 15 mass% or more and 90 mass% or less, coating quantity of the adhesive layers 2 and 4 are in the range of 0.5 [g/m2] or more and 3.5 [g/m2] or less, and each of the thermoplastic resin synthetic papers 6 and 8 is formed by blending the film-like thermoplastic resin with 5 mass% or more and 30 mass% or less of the inorganic material and titanium oxide.SELECTED DRAWING: Figure 1
Patent JP-2020154056-A (JP)
Title: Connecting device, housing, and image forming apparatus
Inventor: ISHIKAWA TAISUKE
IPC: G03G21/16
Filed: 2019-03-19
Abstract: To provide a connecting device that can easily attach a connecting member, a housing, and an image forming apparatus.SOLUTION: A housing 1 comprises: a frame 100; and a ground member 200 that is connected to the frame 100. The ground member 200 has first and second contact parts 222 and 232 that are in contact with a surface of the frame 100, and a leaf spring 240 that sandwiches the frame 100 with the first and second contact parts 222 and 232. The frame 100 is formed with first and second passage holes 110 and 160 that pass the contact parts 222 and 232 therethrough, first and second communication holes 120 and 170 that are in communication with the first and second passage holes 110 and 160 and smaller than the first and second passage holes 110 and 160, and first and second holding parts 130 and 180 that are provided around the communication holes 120 and 170 and hold the first and second contact parts 222 and 232.SELECTED DRAWING: Figure 2
Patent JP-2019130335-A (JP)
Title: Game machine
Inventor: FUJISAKI HIDEKI
IPC: A63F7/02
Filed: 2019-03-22
Abstract: To provide a game machine capable of enhancing presentation effect.SOLUTION: A plurality of successive frame images is sequentially acquired as moving images that can be acquired by imaging a game area and positions of game balls included in each frame image are specified. On the basis of a position of one game ball included in each frame image, a presentation is performed in a mode suggesting a probability in which the one game ball passes through a specific area.SELECTED DRAWING: Figure 97
Patent JP-2020151423-A (JP)
Title: Game machine
Inventor: ONO HIDEKI
IPC: A63F7/02
Filed: 2019-03-24
Abstract: To provide a game machine capable of improving a performance effect of a decorative pattern variable display.SOLUTION: A game machine comprises: pattern display means for variable displaying a plurality of patterns according to a winning lottery result; and performance execution means capable of executing a plurality of kinds of performances during a pattern variation by the pattern display means. In a prescribed variable display for a prescribed variation time, according to a performance executed by the performance execution means, any ready-to-win variable display is executed out of a plurality of kinds of ready-to-win variable displays in which, a ready-to-win constitution operation period since start of an initial stop operation of at least one pattern out of a plurality of patterns forming the ready-to-win state, until the ready-to-win state is constituted by the plurality of patterns, is different from each other, and regardless of the ready-to-win variable display to be executed, a timing of becoming in the ready-to-win state is almost equal.SELECTED DRAWING: Figure 36
Patent JP-2020157848-A (JP)
Title: Vehicle and video image output device
Inventor: MORIMOTO AKIHIRO
IPC: G08G1/16
Filed: 2019-03-25
Abstract: To provide a vehicle and a video image output device with which the own vehicle position can be accurately estimated and the vehicle can be parked in a correct position even in a case where the vehicle moves with the gearshift being in neutral (N).SOLUTION: When a gearshift 50 of a vehicle is in drive (D), a video image of a movement state of the vehicle moving forward depending on the rotation of the wheels detected by a wheel rotation sensor 52 is displayed on a monitor 60. Thereafter, when the gearshift is in neutral (N), the video image of a movement state of the vehicle moving forward depending on the rotation of the wheels detected by the wheel rotation sensor 52 is displayed on the monitor 60. When the gearshift of the vehicle is in rear (R) where the vehicle moves in a second direction opposite to a first direction, the video image of a movement state of the vehicle moving in the second direction depending on the rotation of the wheels detected by the wheel rotation sensor 52 is displayed on the monitor 60. Thereafter, when the gearshift is in neutral (N), the video image of a movement state of the vehicle moving in the second direction depending on the rotation of the wheels detected by the wheel rotation sensor 52 is displayed on the monitor 60.SELECTED DRAWING: Figure 2
Patent JP-2020157536-A (JP)
Title: Actuator drive circuit of liquid discharge device, and print control device
Inventor: NITTA NOBORU
IPC: B41J2/14
Filed: 2019-03-26
Abstract: To provide an actuator drive circuit of a liquid discharge device capable of suspending application of a bias voltage, as well as, of restarting discharge of a liquid with stabilized performance of the actuator.SOLUTION: An actuator drive circuit of a liquid discharge device according to an embodiment comprises a discharge waveform generation part, a sleep waveform generation part, and a wake waveform generation part. The discharge waveform generation part receives gray scale data constituted of multiple bits, and applies, to an actuator, a drive voltage waveform for discharging a liquid according to a gradient value of the gray scale data. The sleep waveform generation part shifts a voltage of the actuator to a first voltage, without causing discharge of the liquid. The wake waveform generation part shifts the voltage of the actuator to a second voltage, which is greater than the first voltage, without causing discharge of the liquid.SELECTED DRAWING: Figure 6
Patent JP-2020157972-A (JP)
Title: Vehicle control device
Inventor: ISHIBASHI YUKI
IPC: B60T8/17
Filed: 2019-03-27
Abstract: To alleviate a burden on a driver.SOLUTION: A vehicle control device comprises a switch for switching between a normal mode and a control mode including a preliminary operation mode for use before a race, and a control part for changing control of at least a brake according to the control mode. Thus, since the optimum brake control is performed according to the control mode, a burden on a driver can be alleviated.SELECTED DRAWING: Figure 2
Patent JP-2020159931-A (JP)
Title: Target device
Inventor: NAGAYASU MASAYOSHI
IPC: G21G1/10
Filed: 2019-03-27
Abstract: To prevent deterioration in cooling efficiency due to a cooling mechanism.SOLUTION: A target device 10 includes: a target housing section 41 for housing a target liquid; a vapor housing section 42 which is provided in communication with the target housing section 41 and houses vapor evaporated from the target liquid; and a cooling mechanism 50 for cooling the target housing section 41 and the vapor housing section 42 by a refrigerant on a side opposite to an irradiation direction of a beam irradiated to the target liquid. The cooling mechanism 50 includes a nozzle 52 in which concavo-convex sections 65 are formed including a convex section 66 projected to the vapor housing section 42 side and a concave section 67 separated from the vapor housing section 42 as compared with the convex section 66 on a surface facing the vapor housing section 42.SELECTED DRAWING: Figure 1
Patent JP-2020166467-A (JP)
Title: Image processing system
Inventor: KAI TAKAFUMI
IPC: G06F3/12
Filed: 2019-03-29
Abstract: To provide a technique for using a program to utilize a specific function of an image processing device in an image processing system that is capable of performing image processing with a general-purpose image processing program.SOLUTION: A printing system 100 with a PC 1 and a printer 2, in which a general-purpose printing program 41 is built into an OS 40 of the PC 1, and when the OS 40 of the PC 1 accepts instructions to add the printer 2, a signal requesting capability information is sent to the printer 2 by IPP, the printer 2, in response to reception of a signal from the PC 1 requesting capability information by IPP, obtains application information that is information about a vendor application 33 from a server 3, and responds to the PC 1 with the application information, and when the PC 1 receives the application information from the printer 2, the PC 1 causes the OS 40 to display a screen for accepting instructions to access the address indicated by the application information to a user IF 20.SELECTED DRAWING: Figure 1
Patent JP-2020163972-A (JP)
Title: Vehicle cup holder
Inventor: KAMIMURA KAZUMA
IPC: B60R7/06
Filed: 2019-03-29
Abstract: To provide a vehicle cup holder with a light which achieves simplification of its structure.SOLUTION: A cup holder 1 includes: a cylindrical holder body 10 having a peripheral wall 11 and opening in a vertical direction; a bottom plate 20 which is installed at a lower part of the peripheral wall 11 and closes a lower opening 12 of the holder body 10; and a light emitting device 30 disposed at the rear side of the bottom plate 20. The bottom plate 20 is provided as a light guide plate which guides light 6 entering from the light emitting device 30 to a desired position. At the bottom plate 20, a light emitting part 24, which emits the light 6 guided within the bottom plate 20 into the holder body, is provided along an opening edge 12a of the lower opening 12.SELECTED DRAWING: Figure 5
Patent JP-2020170608-A (JP)
Title: Resistance characteristics recovery method of non-aqueous electrolyte secondary battery
Inventor: TAKEBAYASHI YOSHITOMO
IPC: H01M10/0567
Filed: 2019-04-02
Abstract: To provide a method capable of effectively recovering deteriorated resistance characteristics of a non-aqueous electrolyte secondary battery.SOLUTION: In a resistance characteristics recovery method of a non-aqueous electrolyte secondary battery, the non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a non-aqueous electrolyte. The non-aqueous electrolyte contains LiPF6 and LiPO2F2. On the surface of the negative electrode, a coat is formed. The resistance characteristics recovery method of a non-aqueous electrolyte secondary battery includes a step of acquiring correlation of the amount of P component in the coat of the non-aqueous electrolyte secondary battery, and the Li content in the coat, and a step of adding LiPO2F2 to the non-aqueous electrolyte, when the amount of P component for the Li content in the coat reaches a predetermined reference from the correlation, for the non-aqueous electrolyte secondary battery where the resistance characteristics have deteriorated. The reference is determined in a range that the amount of P component does not show linear approximation to the Li content in correlation.SELECTED DRAWING: Figure 8
Patent JP-2020168638-A (JP)
Title: Rolling load measuring apparatus of rolling machine, rolling machine comprising rolling load measuring apparatus, rolling load measuring method by rolling load measuring apparatus and roll pass line adjustment control method for rolled material
Inventor: YANAI KATSUHIKO
IPC: B21B37/62
Filed: 2019-04-02
Abstract: To make it possible to directly measure a rolling load on upper and lower roll roll chocks without requiring for acquirement of load calculation data before application of a rolling load on the upper roll roll chock by use of a taper liner which is used for detection of a rolling load when adjusting a roll pass line.SOLUTION: A lower roll roll chock has a taper liner storage part which reaches a rolling machine housing and a taper liner, a bearing member, which is stored in the taper liner storage part, and is so located as to the rolling machine housing and the taper liner, is provided, and in the state that a load on an upper roll roll chock before application of a rolling load is born by the housing via the taper liner and the bearing member, a rolling load is measured by a rolling load measuring apparatus which is so configured as to include a load cell.SELECTED DRAWING: Figure 2