baber/WOPTO huggingface dataset:
Patent JP-2019202201-A (JP)
Title: Game machine
Inventor: NAKAMURA KEISHIRO
IPC: A63F7/02
Filed: 2019-09-04
Abstract: To provide a game machine capable of improving an interest in a game of a player.SOLUTION: A game machine is configured so that a state of variable means is varied by one variable pattern out of plural patterns which comprise at least a first variable pattern and a second variable pattern in which a game ball cannot easily enter ball entry means relative to the first variable pattern, by variable control means, based on establishment of a specific variable condition. As a game state after execution of a privilege game is finished, one game state out of plural game states comprising at least a first game state, a second game state different from the first game state, and a third game state different from the first game state and the second game state, is set. The first game state and the second game state are configured so that, relative to the third game state, a ratio in which the state of the variable means is varied in the first variable pattern by the variable control means is low. Therefore, there is an effect capable of improving an interest in a game of a player.SELECTED DRAWING: Figure 1
Patent JP-2021042020-A (JP)
Title: Transfer apparatus
Inventor: UKAI YASUHIRO
IPC: B66F7/20
Filed: 2019-09-09
Abstract: To provide a transfer apparatus capable of improving workability for moving a first conveyance device to a first region of a floor surface.SOLUTION: A transfer apparatus 2 comprises: lifters 42a, 42b raised/lowered between lower positions and upper positions; a truck 58 moved on a floor surface 16 between a first region 22 of the floor surface 16 in which a load 8 is transferred between the lifters 42a, 42b and a second region 38 of the floor surface 16 which is located outside the first region 22 and in which the load 8 is transferred with a conveyor 6; and a control unit 110 that controls the lifters 42a, 42b. The lifters 42a, 42b include supports 46a, 46b displaced between projection positions projecting toward the load 8 and retreatment positions retreated from the load 8. The control unit 110 controls the positions of the supports 46a, 46b to be switched between the projection positions and the retreatment positions with respect to the lifters 42a, 42b positioned at the lower positions.SELECTED DRAWING: Figure 1
Patent JP-2021044318-A (JP)
Title: Solenoid, solenoid valve, and shock absorber
Inventor: KOBAYASHI YOSHIFUMI
IPC: H01F7/16
Filed: 2019-09-09
Abstract: To provide a solenoid, a solenoid valve, and a shock absorber that can reduce the thrust of the solenoid applied to an object when the amount of current supplied to the solenoid is small, and can also force the object in the same direction as the thrust when the solenoid is de-energized.SOLUTION: A solenoid S1 includes a first fixed core 5 and a second fixed core 6 located on one end side and the other end side in the axial direction of a coil, a first movable core 7 and a second movable core 8 which are located between the first fixed core and the second fixed core and are attracted to the first fixed core 5 and the second fixed core 6 by energizing the coil, respectively, a spring 9 housed in a spring chamber L6 formed on the first fixed core 5 side of the first movable core 7 and urging the first movable core 7 to the second fixed core 6 side, a leaf spring 90 that regulates the movement of the first movable core 7 to the second fixed core 6 with respect to the second movable core 8, and a throttle passage p5 that communicates the spring chamber L6 to the outside.SELECTED DRAWING: Figure 3
Patent JP-2021043139-A (JP)
Title: Rotational speed sensor
Inventor: TOMITA KAZUHIKO
IPC: G01P3/487
Filed: 2019-09-13
Abstract: To increase the air gap of a rotational speed sensor.SOLUTION: The rotational speed sensor according to an embodiment includes: a sensor part having magnetic detection elements 21 and 22; and a magnetic plate 30 disposed between the sensor part and a magnet and formed of a magnetic material. In a first direction which is an arrangement direction for the sensor part, magnetic plate, and magnet, the magnetic plate 30 has an opening 30H formed in a position that overlaps with the center 25c of a line 25 connecting the center of the magnetic detection element 21 and the center of the magnetic detection element 22.SELECTED DRAWING: Figure 6
Patent JP-2021046956-A (JP)
Title: Heat exchanger and blow-by gas treatment device of internal combustion engine
Inventor: HIMURO YUKI
IPC: F01M13/00
Filed: 2019-09-17
Abstract: To provide a heat exchanger which has a double pipe structure including an inner pipe and an outer pipe and can sufficiently facilitate heat exchange, and to provide a blow-by gas treatment device of an internal combustion engine which includes the heat exchanger.SOLUTION: A heat exchanger 1 includes: an inner pipe 2; a first passage 3 formed within the inner pipe 2; an outer pipe 4 coaxially disposed at the radial outer side of the inner pipe 2; a second passage 5 formed between the inner pipe 2 and the outer pipe 4; annular partition walls P1 to P4 which partition the second passage 5 into spaces S1 to S5 in an axial direction of the outer pipe 4; and space outlets E, each of which is formed at one circumferential portion of each of the partition walls P1 to P4. The spaces S1 to S5 are configured to revolve a second fluid around a second axis Y orthogonal to a first axis X located at a center of the outer pipe 4.SELECTED DRAWING: Figure 7
Patent JP-2021047943-A (JP)
Title: Drive board construction
Inventor: SUZUKI AKIRA
IPC: G11B33/12
Filed: 2019-09-18
Abstract: To provide a drive board that flexible measures against vibrations are taken matched with an installation environment of a computer.SOLUTION: A drive board 1 comprises a circuit board 2 to control read or write of data and a drive metal fitting 3 reinforcing the circuit board 2. The circuit board 2 and the drive metal fitting 3 comprise through-holes 5-8 formed for screwing. The through-holes 6, 8 are formed into long holes so that the spacing of screwing positions between the through-hole 6, 8 and the through-hole 5, 7 can be adjusted without restrictions.SELECTED DRAWING: Figure 1
Patent JP-2021046105-A (JP)
Title: Drive support device, drive support method and program
Inventor: KAWASAKI MASARU
IPC: B60C23/04
Filed: 2019-09-19
Abstract: To provide a drive support device that can suppress adverse effect when a tire air pressure is outside a proper range, and to provide a drive support method and a program.SOLUTION: A drive support device 1 includes: an air pressure acquisition unit 2 for acquiring a tire air pressure value of a vehicle; an air pressure determination unit 3 for determining whether the air pressure value is higher than a proper range; and a drive support unit 4 for performing predetermined drive support in accordance with a determination result by the air pressure determination unit 3.SELECTED DRAWING: Figure 1
Patent JP-2021052054-A (JP)
Title: Semiconductor device
Inventor: ITO KAZUYUKI
IPC: H01L29/417
Filed: 2019-09-24
Abstract: To provide a semiconductor device capable of reducing an on-resistance.SOLUTION: A semiconductor device according to embodiments includes a first electrode, a first conductivity-type first semiconductor region, a second conductivity-type second semiconductor region, a plurality of first conductivity-type third semiconductor regions, a first insulating part, a second electrode, a gate electrode, a third electrode, and a second insulating part. The first insulating part arranged in a second direction with the third semiconductor region, the second semiconductor region, and a portion of the first semiconductor region. The second direction is perpendicular to a first direction. The first direction is a direction from the first electrode toward the first semiconductor region. The second electrode is provided inside the first insulating part. The gate electrode is provided inside the first insulating part and opposes the second semiconductor region in the second direction. The third electrode including a contact part provided between the third semiconductor regions in the second direction. The second insulating part is provided between the first semiconductor region and the contact part in the first direction and is arranged with the gate electrode in the second direction.SELECTED DRAWING: Figure 2
Patent JP-2019220721-A (JP)
Title: Semiconductor device and method of manufacturing the same
Inventor: KOYAMA JUN
IPC: H01L27/105
Filed: 2019-09-27
Abstract: To provide a storage device which does not require a complicated manufacturing process and can suppress power consumption, and a semiconductor device using the storage device.SOLUTION: In a storage element using a phase inversion element such as an inverter or a clocked inverter which outputs an input signal by inverting a phase of the input signal, there are provided a capacitive element for retaining data and a switching element for controlling accumulation and emission of charge in the capacitive element. As the switching element, a transistor including an oxide semiconductor in a channel formation region is used. When application of power supply voltage to the phase inversion element is stopped, data is retained in the capacitive element by storing the data in the capacitive element even when supply of the power source voltage to the phase inversion element is stopped.SELECTED DRAWING: Figure 1
Patent JP-2021057981-A (JP)
Title: Sticking detector and sticking detection method
Inventor: IWANAGA TAKEHITO
IPC: B60R16/02
Filed: 2019-09-30
Abstract: To provide a sticking detector and a sticking detection method capable of accurately detecting a stuck-open of a secondary relay.SOLUTION: A sticking detector comprises a detection section and a determination section. The detection section detects a voltage at a connection point between two relays connected in series with directions of parasitic diodes reversed to each other, in an electric path from a main battery to a load. The determination section determines the stuck-open of a secondary relay on the basis of the detected result of the voltage in the detection section when a relay instruction is given to turn off a primary relay and turn on the secondary relay between the two relays.SELECTED DRAWING: Figure 2
Patent JP-2021058055-A (JP)
Title: Electric power conversion device
Inventor: IYASU SEIJI
IPC: H02M3/28
Filed: 2019-10-01
Abstract: To provide an electric power conversion device 40 capable of suppressing the flowing of an overload current to a resistance load 30 or the like.SOLUTION: An electric power conversion device 40 comprises: a first full-bridge circuit 50 having a serial connection of a first switch Q1 and a second switch Q2, and a serial connection of a third switch Q3 and a fourth switch Q4; a third full-bridge circuit 70; a transformer 80; and a control part 100 that alternately turns on the first switch Q1 and the second switch Q2, and alternately turns on the third switch Q3 and the fourth switch Q4. The control part 100 sets a phase difference of a switching timing to an on operation of the first switch Q1 and a switching timing to an on operation of the third switch Q3 to be small as lower a voltage V3r of each of terminals CH3 and CL3, to which a resistance load 30 is connected.SELECTED DRAWING: Figure 1
Patent JP-2021054638-A (JP)
Title: Image formation device and method of controlling the same
Inventor: SAITO TAKAAKI
IPC: B65H31/18
Filed: 2019-10-02
Abstract: To facilitate handling of jam that occurs at a discharge port.SOLUTION: A paper discharge part 300 includes as multiple loading parts, three discharge trays: a first tray 337; a second tray 336; and a third tray 335. The first tray 337 is a movable loading part that can vertically move. A CPU 100 causes the first tray 337 to go down or go up by controlling a lifting motor 340 in accordance with the determination that jam occurs in the proximity of a first discharge port 187 that corresponds to the first tray 337 or in the proximity of a second discharge port 186 that corresponds to the second tray 336.SELECTED DRAWING: Figure 7
Patent JP-2020178336-A (JP)
Title: Diffuser, speaker including the same, and electronic musical instrument
Inventor: KITAGAWA NORIMASA
IPC: H04R1/02
Filed: 2019-10-04
Abstract: To provide a diffuser, a speaker including the same, and an electronic musical instrument that prevent large peaks from appearing on the sound pressure frequency characteristics due to resonance that tends to occur in a space between a diaphragm of the speaker and the diffuser, reduce the non-uniformity of the directional characteristics due to the frequency, and support a full range speaker having a wide frequency band of the emitted sound waves.SOLUTION: A diffuser includes a first reflective member having an opening whose outer diameter is larger than the outer diameter of a diaphragm and which defines the inner diameter through which the central axis that defines a direction in which the diaphragm vibrates passes, and having a substantially truncated conical shape having an annular pyramid surface facing the diaphragm and an annular concave surface formed on the opposite side of the annular pyramid surface, and a substantially conical second reflective member that is placed in close proximity to the first reflective member and has a conical surface with a central axis passing through its apex.SELECTED DRAWING: Figure 1
Patent JP-2021046939-A (JP)
Title: Pierced bolt and nut
Inventor: KOMAKI TERUHIRO
IPC: F16B39/02
Filed: 2019-09-18
Abstract: To prevent a bolt and a nut from being loosened after being tightened.SOLUTION: A pierced bolt and a nut include a pierced bolt head and a pierced nut so as to be driven with a nail, a screw or the like into them, thereby completely preventing the bolt and the nut from being loosened after being tightened.SELECTED DRAWING: Figure 3
Patent JP-2021058484-A (JP)
Title: Game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2019-10-09
Abstract: To enhance interest in a game by ensuring an execution period of an informing performance in a non-special state.SOLUTION: A game machine can display a first predetermined result (for example, a losing pattern (without time-shortening)) that does not become an opportunity of control of a special state (for example, a time-shortening state) and a second predetermined result (for example, a time-shortening losing pattern) that becomes an opportunity of control of a special state as predetermined results, allows a display period (for example, 20 seconds) of the second predetermined result to be longer than a display period (for example, 0.5 seconds) of the first predetermined result in a non-special state, can execute an informing performance (for example, a mode shift performance) for reporting start of control of a special state during the display period of a second predetermined result in a non-special state, allows the display period of a second predetermined result in a special state to be a common period with the display period of a second predetermined result in a non-special state, and executes an informing performance on the basis of second display period information.SELECTED DRAWING: Figure 8-34
Patent JP-2021058860-A (JP)
Title: Powder blending system and powder blending method
Inventor: TANAKA JUN
IPC: B01F29/60
Filed: 2019-10-09
Abstract: To provide a powder blending system and method enhancing productivity of finished product by shortening the time required for blending completion.SOLUTION: A powder blending system comprises: a blending container having a revolving shaft and blending plural kinds of powders therein; a rotary machine rotating the blending container via the revolving shaft; an imaging apparatus acquiring the powder image in a blending process; and a calculator. The blending container has a window for imaging the powder image, and the calculator has a function for detecting that the blending container is at a prescribed position. The imaging apparatus acquires the powder image through the window of the blending container at the prescribed position, and the calculator estimates the blending state of the powder on the basis of the acquired powder image.SELECTED DRAWING: Figure 1
Patent JP-2021063663-A (JP)
Title: Arc detection device, breaker, power conditioner, photovoltaic panel, photovoltaic panel attachment module, junction box, arc detection system, and arc detection method
Inventor: KOGA TATSUO
IPC: H02S40/34
Filed: 2019-10-10
Abstract: To provide an arc detection device which accurately detects an arc breakdown generated in a transmission path.SOLUTION: An arc detection device 10 which detects an arc breakdown generated in a transmission path L1 connecting a direct-current power source 31 which generates direct-current power and a power conversion device 50 which converts the direct-current power into alternating-current power comprises: a first determination unit 11 which determines whether or not the arc breakdown may be generated on the basis of current flowing through the transmission path L1; a stop unit 12 which, when it is determined that the arc breakdown may be generated, temporarily stops the current flowing through the transmission path L1; and a second determination unit 13 which determines whether or not the arc breakdown has been generated on the basis of an input voltage of the power conversion device 50 supplied from the direct-current power source 31 after a temporary stop of the current flowing through the transmission path L1 is released.SELECTED DRAWING: Figure 1
Patent JP-2020077625-A (JP)
Title: Treatment method of coated wire
Inventor: TAKAHASHI NORIFUMI
IPC: F27D7/02
Filed: 2019-10-17
Abstract: To provide a method for separating a metal wire from a coating resin by heating in a non-combustion atmosphere, more efficiently in a shorter time compared with the conventional method.SOLUTION: With this treatment method of a coated wire, for a coated wire for which a metal wire is coated by resin, in coexistence with an alkali, and in a non-combustion atmosphere, the coated wire undergoes low temperature heating to embrittle the coating resin, the embrittled coating resin is crushed, and the coating resin and the metal wire are separated. Preferably, the low temperature heating of the coated wire and the crushing are performed at the same time.SELECTED DRAWING: Figure 1
Patent JP-2020078239-A (JP)
Title: Power conversion device
Inventor: KIMURA MITSUNORI
IPC: H02M7/48
Filed: 2019-10-23
Abstract: To provide a power conversion device that can reduce drive loss.SOLUTION: A power conversion device includes an arm 10 and a drive unit including a driver IC 20 and a microcomputer 30. The arm 10 includes a MOSFET 11 and an RC-IGBT 12 having a saturation voltage different from that of the MOSFET 11 and connected in parallel with the MOSFET 11. The drive unit drives the MOSFET 11 and the RC-IGBT 12 individually. Then, the drive unit makes the number of times of switching of the RC-IGBT 12 less than the number of times of switching of the MOSFET 11 in a voltage region in which the on-voltage of the MOSFET 11 is equal to or less than the intercept of the on-voltage of the RC-IGBT 12.SELECTED DRAWING: Figure 19
Patent JP-2020075244-A (JP)
Title: Tube for deaeration and air supply
Inventor: SHIBATA KINJI
IPC: B01D69/02
Filed: 2019-10-29
Abstract: To provide a tube that is excellent in gas permeation and that eliminates a concern about liquid permeation even in the case of such a low-surface-tension liquid as alcohol and oil.SOLUTION: A tube is characterized as follows: a gas permeation coefficient of nitrogen gas at 25°C is in the range of 1.6×10cmcm/cmsec cmHg to 520×10cmcm/cmsec cmHg; and liquid permeation is prevented.SELECTED DRAWING: Figure 1
Patent JP-2021072350-A (JP)
Title: Composite sintered body and manufacturing method thereof
Inventor: ATSUJI KYOHEI
IPC: C04B35/581
Filed: 2019-10-30
Abstract: To reduce a difference in a coefficient of thermal expansion between an electrode and a base material while suppressing an increase in resistivity of the electrode.SOLUTION: A composite sintered body 20 includes a base material mainly made of ceramic (that is, a main body portion 21), and an electrode 23 arranged inside or on the surface of the main body portion 21. The electrode 23 includes WC and TiN. As a result, it is possible to reduce a difference in the coefficient of thermal expansion between the electrode 23 and the main body portion 21 while suppressing an increase in the resistivity of the electrode 23. As a result, damage such as cracks in the main body portion 21 due to the difference in the coefficient of thermal expansion can be suppressed.SELECTED DRAWING: Figure 1
Patent JP-2021071581-A (JP)
Title: Method of manufacturing optical film
Inventor: MIURA TAKUYA
IPC: G02B5/30
Filed: 2019-10-30
Abstract: To provide a method of manufacturing an optical film capable of smoothly cutting a laminate by preventing occurrence of cracks or the like in a resin layer.SOLUTION: Disclosed is a method of manufacturing an optical film, which includes a step 1 of cutting a laminate by irradiating the laminate with laser beams. The laminate includes: a polarizer and a resin layer provided on at least one surface of the polarizer. In the step 1, the laser beams are radiated so that the percentage (%) of a ratio of pulse width W (μs) of the laser beam to a cycle T (μs) of the laser beam becomes 1 to 20%.SELECTED DRAWING: None
Patent JP-2021072706-A (JP)
Title: Stator and electric machine
Inventor: HIDAKA NAOYA
IPC: H02K3/50
Filed: 2019-10-31
Abstract: To provide a stator and an electric machine equipped with the stator, in which the coil is solidified by immersion and impregnation, with improved workability during manufacturing.SOLUTION: The electric machine according to the present invention includes a stator and a rotor arranged inside the stator. The stator according to the present invention includes a stator core and a coil attached to the stator core and hardened with an impregnating agent. The axial end face of the stator core has a groove through which the impregnating agent flows during manufacturing.SELECTED DRAWING: Figure 3
Patent JP-2021076131-A (JP)
Title: Piezo valve, fluid control device and piezo valve analysis method
Inventor: JEFFREY RANSDELL
IPC: F16K31/02
Filed: 2019-11-05
Abstract: To provide a piezo valve which can exactly predict a life of a piezo actuator.SOLUTION: A piezo valve comprises: a valve seat 42; a valve body 43 movably arranged between a full-closed position in which the same contacts with the valve seat 42, and a full-open position; a piezo actuator 41 for driving the valve body 43; a drive circuit 5 into which a piezo control signal is inputted, and which outputs a drive voltage corresponding to the piezo control signal to the piezo actuator 41; and a leak current detector 61 for detecting a leak current of the piezo actuator 41 in a state in which the drive voltage is outputted to the piezo actuator 41 with a rated maximum voltage or higher by which the drive circuit 5 drives the valve body 43 to the full-closed position or the full-open position as the drive voltage. In a state in which the leak current detector 61 detects the leak current of the piezo actuator 41, or in a state immediately before the state, fluid flows between the valve seat 42 and the valve body 43.SELECTED DRAWING: Figure 4