baber/WOPTO huggingface dataset:
Patent JP-2021145516-A (JP)
Title: Control apparatus of ac motor
Inventor: ASAHINA KAZUKI
IPC: H02P27/08
Filed: 2020-03-13
Abstract: To provide a control apparatus of an AC motor, correcting a d-axis voltage command value and a q-axis voltage command value, generated by a PI control by a non-interference control by using the d-axis voltage command value and the q-axis voltage command value, output from a low-pass filter, capable of reducing a man hour required for adjusting a cut-off frequency of the low-pass filter.SOLUTION: A cut-off frequency ωcd is adjusted so that a first difference of a d-axis current command value Id** and a d-axis current Id, output from a low-pass filter 151 becomes a first threshold value or less, and a cut-off frequency ωcq is adjusted so that a second difference of a q-axis current command value Iq** and a q-axis current Iq, output from a low pass filter 152 becomes a second threshold value or less.SELECTED DRAWING: Figure 2
Patent JP-2021145094-A (JP)
Title: Heat-sink integrated insulation circuit board
Inventor: OHASHI TOYO
IPC: H01L23/12
Filed: 2020-03-13
Abstract: To provide a heat-sink integrated insulation circuit board having excellent reliability that can restrict the occurrence of peeling between a circuit layer and an insulation resin layer or the occurrence of internal peeling within the insulation resin layer even when warpage is generated due to temperature change.SOLUTION: A heat-sink integrated insulation circuit board includes a heat sink 20 that has a top plate part 21 and a radiation fin 22, an insulation resin layer 12 that is formed on the top plate part 21 of the heat sink 20, and a circuit layer 13 made of metal pieces disposed on a surface opposite to the heat sink 20 of the insulation resin layer 12. When a maximum length of the top plate part 21 of the heat sink 20 is L, a warpage amount of the top plate part 21 of the heat sink 20 is Z, the degree of convex deformation toward a joint surface side of the top plate part 21 of the heat sink 20 is defined as an amount of positive warpage, and a curvature of the heat sink 20 is defined as C=|(8×Z)/L2|, a ratio P/Cmax of a maximum curvature Cmax(1/m) of the heat sink 20 to a peel strength P(N/cm) of the insulation resin layer 12 when the heat-sink integrated insulation circuit board is heated from 25°C to 300°C is P/Cmax>60.SELECTED DRAWING: Figure 1
Patent JP-2021145317-A (JP)
Title: Image processing apparatus and image processing method
Inventor: MICHIHATA TAIHEI
IPC: H04N9/64
Filed: 2020-03-13
Abstract: To provide an image processing apparatus capable of preventing malfunction while ensuring color reproducibility in a linear matrix operation.SOLUTION: An image processing apparatus includes a linear matrix operation unit configured to set a matrix coefficient in accordance with an input image signal, and to perform a linear matrix operation on the image signal using the set matrix coefficient. Preferably, the linear matrix operation unit includes: a plurality of arithmetic units each of which is configured to perform a linear matrix operation on the image signal using mutually different matrix coefficients; a determination unit configured to determine whether or not an operation result of the arithmetic unit satisfies a predetermined condition; and a control unit configured to output the operation result of the arithmetic unit selected in accordance with a result of the determination made by the determination unit.SELECTED DRAWING: Figure 4
Patent JP-2021148139-A (JP)
Title: Bearing device
Inventor: NAGATA NOBUHIRO
IPC: F16C17/03
Filed: 2020-03-16
Abstract: To provide a bearing device capable of supporting a rotational shaft more stably.SOLUTION: A bearing device comprises: a pad that has a pad surface that supports the outer peripheral surface of a rotational shaft rotating around an axial line so that it can be slidably contacted, and in which a hollow part is formed; an annular carrier ring centered on the axial line so as to cover the pad from the outer peripheral side; and a support part that is provided on the inner peripheral surface of the carrier ring, and swingably supports the pad. The outer peripheral surface of the pad is provided with a first rib that projects radially outward from the outer peripheral surface and extends in a circumferential direction.SELECTED DRAWING: Figure 3
Patent JP-2021148561-A (JP)
Title: Radar device
Inventor: KONDO KATSUHIKO
IPC: G01S7/40
Filed: 2020-03-18
Abstract: To provide a technique that can accurately estimate the vertical axis deviation angle of a radar device.SOLUTION: An axis deviation estimation device 5 is a device that estimates the axis deviation of a radar device 3 mounted on a vehicle VH, and comprises an object information acquisition unit, a road side object extraction unit, and an axis deviation angle estimation unit. The object information acquisition unit acquires object information including the object distance between the radar device 3 and a reflection object and an object azimuth in which the reflection object is present. The road side object extraction unit extracts road side object information on a road side object from the object information. That is, the road side object extraction unit extracts the road side object information on a road side object that is arranged on a lateral side of a track, at a position higher than the track, along a direction in which the track extends, with a predetermined condition. The axis deviation angle estimation unit estimates, with the direction of the radar device 3 when the radar device 3 is in a reference state as a mounting reference direction and the actual direction of the radar device 3 as a mounting actual direction, a vertical axis deviation angle in the vertical direction of the mounting actual direction with respect to the mounting reference direction from the road side object information.SELECTED DRAWING: Figure 1
Patent JP-2020093162-A (JP)
Title: Game machine
Inventor: TAKEDA MITSUHIRO
IPC: A63F7/02
Filed: 2020-03-23
Abstract: To provide a game machine capable of appropriately displaying performance information when providing a setup change function.SOLUTION: The game machine including an information display part 67 for displaying performance information, is configured to select any of plural types of setup, the performance information including first information such as low-probability information 72 being different for each of the plural types of setup, and second information such as number-of-prize-ball information 69, a probability variation ratio 73, and limit information 74, being common in the plural types of setup. The information display part 67, as for the first information 72, divides it according to the plural types of setup and displays corresponding values respectively, however, as for the second information 69, 73, and 74, executes the display without dividing it according to the plural types of setup. Further, as for the first information 72, the game machine may display a lower limit value and an upper limit value out of the plurality of values corresponding to the plural types of setup.SELECTED DRAWING: Figure 5
Patent JP-2021157458-A (JP)
Title: Information processor and information processing method
Inventor: WATANABE TAKAFUMI
IPC: G06T15/04
Filed: 2020-03-26
Abstract: To provide a technique for reducing the inaccuracy of a reflection position when reflection of a real space on the surface of a virtual object is realized.SOLUTION: A polyhedron in which a color image for background is mapped is generated as a first environment map. Generated as a second environment map is a mapped polyhedron obtained by mapping a color image of a mobile body acquired by a device which acquires a color image of a real space on a polyhedron having a size in accordance with a distance between the device and the mobile body. A pixel value of an image of a virtual object is determined based on the first environment map and the second environment map.SELECTED DRAWING: Figure 1
Patent JP-2021157973-A (JP)
Title: Lighting device
Inventor: YOKOTA MASAFUYU
IPC: H05B47/20
Filed: 2020-03-27
Abstract: To provide a lighting device capable of suppressing the life thereof from being shortened.SOLUTION: A lighting device according to the present embodiment includes one or more power supplies, a plurality of light sources, and a controller. The plurality of light sources can be connected to the power supplies, and have luminous colors different from each other. The controller controls the connection between the power supplies and the light sources. The controller includes a detector for detecting the deterioration state of the power supplies based on the detection result of a sensor, and a switching controller for switching the light sources to be connected to the power supplies based on the deterioration state detected by the detector.SELECTED DRAWING: Figure 1
Patent JP-2020167931-A (JP)
Title: Solar cell structure and snow cover suppression method of the same
Inventor: EGUCHI KENICHI
IPC: E04H9/16
Filed: 2020-03-27
Abstract: To provide a solar cell structure capable of suppressing snow cover on a solar cell panel.SOLUTION: The solar cell structure includes a panel structure having a solar cell panel and a frame for supporting the panel structure in an inclined state. The frame has a support surface for supporting the panel structure. The solar cell structure further includes a cover for covering at least an area from a lower end of the support surface in an inclined direction up to a predetermined portion on the solar cell panel.SELECTED DRAWING: Figure 1
Patent JP-2021156256-A (JP)
Title: Control device of fuel injection device, control method and program
Inventor: KUSAKABE AKIRA
IPC: F02D41/34
Filed: 2020-03-30
Abstract: To solve a problem that, when there occurs a variation of a fuel injection amount of a fuel injection device at each cylinder, it has been impossible to suppress a variation of combustion.SOLUTION: A control device 150 for controlling a fuel injection device 101 for injecting fuel a plurality of times by one combustion cycle comprises a control part 500 for calculating an injection amount of fuel at each time of injection which is performed by one combustion cycle, and performing control for narrowing an injection pulse width of an injection pulse supplied to the fuel injection device 101 at the last injection narrower than an injection pulse width of an injection pulse supplied to the fuel injection device 101 which is performed prior to the last injection as the injection amount of the injection which is performed prior to the last injection is larger than the injection amount of the last injection at one combustion cycle.SELECTED DRAWING: Figure 5
Patent JP-2021154472-A (JP)
Title: Floating unit
Inventor: OE MASAHIRO
IPC: F16D37/02
Filed: 2020-03-30
Abstract: To provide a floating unit capable of easily controlling a return force for returning a second member to a reference position relative to a first member.SOLUTION: A floating unit 100 includes: a first member 1 having a first opposite surface; a second member 2 having a second opposite surface opposite to a first direction V relative to the first opposite surface; a movable support part 3 for supporting the first member 1 and the second member 2 so that the second member 2 is relatively moved in a second direction H orthogonal to the first direction V relative to the first member 1, and the second member 2 is relatively rotated with an axis in the first direction V as a center; an energization mechanism 4 for energizing the second member 2 toward a reference position P relative to the first member 1; a sealing mechanism 5 for sealing an opposite space between the first opposite surface and the second opposite surface; a magnetic fluid MR with which the opposite space is filled; and a magnetic field generation part 6 whose state can be changed to a magnetic field generation state of generating a magnetic field where the first opposite surface and the second opposite surface become magnetic pole surfaces having different magnetic poles and a magnetic field non-generation state of not generating the magnetic field.SELECTED DRAWING: Figure 1
Patent JP-2021161915-A (JP)
Title: Oil separator
Inventor: UEMURA SUMIYUKI
IPC: F04B39/00
Filed: 2020-03-31
Abstract: To inhibit an oil separator from vibrating due to acoustic resonance of an internal space of a cover part.SOLUTION: A partition wall part (37) which partitions an internal space (36) facing an opening (11a) into multiple spaces (S) is provided within a cover part (31).SELECTED DRAWING: Figure 6
Patent JP-2021161217-A (JP)
Title: Method for manufacturing orientation prepreg
Inventor: OKU YASUYUKI
IPC: D04H1/4242
Filed: 2020-03-31
Abstract: To provide a method for manufacturing an orientation prepreg which enables manufacture a carbon fiber-reinforced resin composite having orientation, and enables manufacture an orientation prepreg that is excellent in an opening state of carbon fibers.SOLUTION: A method for manufacturing an orientation prepreg includes loading an orientation card web containing carbon fibers and thermoplastic resin fibers onto a porous support, and jetting a high pressure water flow onto the orientation card web.SELECTED DRAWING: None
Patent JP-2021164280-A (JP)
Title: Motor controller, motor system, and motor control method
Inventor: OBA TAKASHI
IPC: H02P27/08
Filed: 2020-03-31
Abstract: To mitigate inhibition of idling of a rotor caused by detecting current flowing through a current detector.SOLUTION: A motor control method to be performed by a motor controller for energizing a motor having a rotor by turning on arms of all arms of an inverter, the arms varying among energization patterns, includes: generating a PWM signal of each phase having one cycle including a first period in which all the arms are turned off during idling of the rotor, a second period in which the arms are turned on during the idling in a first energization pattern, and a third period in which the arms are turned on during the idling in a second energization pattern; and detecting first reference current flowing through a current detector in the second period and second reference current flowing through the current detector in the third period.SELECTED DRAWING: Figure 11
Patent JP-2021163208-A (JP)
Title: Information processing apparatus, information processing method, and program
Inventor: OGAWA NOBUHIRO
IPC: H04N1/00
Filed: 2020-03-31
Abstract: To provide an information processing apparatus that appropriately delete an image output device from objects of management.SOLUTION: An information processing apparatus stores first status information that is acquired from an image output device and related to whether a function in the image output device can be executed, and displays a list of image output devices to be managed based on the stored first status information and second status information that is related to the communication state between the information processing apparatus and the image output device. When a condition based on the first status information and the second status information is satisfied, the information processing apparatus displays image output devices corresponding to the first status information and the second status information as candidates to be deleted from the objects of management.SELECTED DRAWING: Figure 6
Patent JP-2021162731-A (JP)
Title: Display device
Inventor: MARUKE KOJI
IPC: B60R1/04
Filed: 2020-03-31
Abstract: To provide a technology that can realize further improvement in a display device.SOLUTION: A display device that is the display device mounted on a vehicle comprises: a display; a reflection rate control section; and a control circuit. The display has a display surface having a video displayed, and can switch between on and off. The reflection rate control section is positioned at a side of the display surface, and can change a reflection rate for incident light. The control circuit controls the reflection rate of the reflection rate control section, on and off of the display, and the video. And, low reflection processing which lowers the reflection rate of light is performed on the display surface.SELECTED DRAWING: Figure 4
Patent JP-2021161288-A (JP)
Title: Flexible polyurethane foam
Inventor: MIYAMURA YUJI
IPC: C08G18/00
Filed: 2020-03-31
Abstract: To provide a flexible polyurethane foam having both characteristics of high gas permeability and high durability.SOLUTION: The flexible polyurethane foam contains as polyol components a polyether polyol (1) having a number average molecular weight of 2,000 or more and 4,000 or less and an ethylene oxide content of 60% or more and 100% or less, and a polyether polyol (2) having a number average molecular weight of 2,000 or more and 4,000 or less and an ethylene oxide content of 0% or more and 20% or less. The foam has a content ratio of the polyether polyol (1) and the polyether polyol (2) of 75-85/25-15 and further contains a polyrotaxane of 0.1-5 pts. to 100 of the polyols. The polyrotaxane has a circular molecule of cyclodextrin and a straight-chain molecule of polyethylene glycol, and a blocking group of an adamantane group.SELECTED DRAWING: None
Patent JP-2021162115-A (JP)
Title: Valve device
Inventor: NAKANISHI TOMOHIKO
IPC: F16K1/42
Filed: 2020-04-01
Abstract: To improve sealability between a valve body and a valve seat when a valve is closed.SOLUTION: A valve device includes: a passage member 10 having a first passage 12; an electromagnetic valve 20 which has a movable element 70 capable of moving in a predetermined direction and may open or close the first passage 12; and a valve seat body 30 fixed to the first passage 12. The first passage 12 has a first passage body 12a and an opening 12b. The valve seat body 30 has: a fixed part which is fitted in the opening 12b and fixed; an extension part inserted into the first passage body 12a; a flow hole 33 which penetrates through the fixed part and the extension part in the predetermined direction; and a valve seat part provided at one end part as seen in the predetermined direction of the flow hole 33. The movable element 70 has a valve body part 72 which may be seated on the valve seat part from one side in the predetermined direction. The flow hole 33 has: a first flow part which opens to the one side in the predetermined direction and is provided with the valve seat part; and a second flow part at least partially provided at the extension part. An inner diameter of the first flow part is larger than an inner diameter of the second flow part.SELECTED DRAWING: Figure 1
Patent JP-2021168441-A (JP)
Title: Image reading device, and image forming apparatus including the image reading device
Inventor: DO DUC THANH
IPC: H04N1/028
Filed: 2020-04-10
Abstract: To prevent excessive increase of a curvature radius of a flexible flat cable (hereinafter referred to as FFC) in a scanner housing in association with movement of a carriage.SOLUTION: An image reading device 2 comprises a cable winding member 51 around which an FFC 24 is wound. The cable winding member 51 has a first winding target part 54a around which a carriage-side cable part 24a is wound, a second winding target part 53a around which a substrate-side cable part 24b is wound, a storage space 53e that is formed inside both the winding target parts 53a, 54a and stretches over both the winding target parts 53a, 54a in a rotation axis direction, a drawing hole 53f of the carriage-side cable part 24a, and a drawing hole 54d of the substrate-side cable part 24b. The cable winding member 51 is urged by urging force from an urging member 52 in a direction to wind the carriage-side cable part 24a around the first winding target part 54a.SELECTED DRAWING: Figure 6
Patent JP-2021168561-A (JP)
Title: Electric compressor
Inventor: YAMAMOTO HIROKI
IPC: H02M7/48
Filed: 2020-04-10
Abstract: To provide an electric compressor with excellent heat dissipation.SOLUTION: A common mode choke coil 34 includes an annular core 50, a pair of windings 70 and 71 wound around the core 50, and an annular metal plate 80 covering both the pair of windings 70 and 71. The metal plate 80 is divided into a first metal plate 81 and a second metal plate 82 in the circumferential direction, the first metal plate 81 is thermally coupled to a housing and is arranged between the housing and the pair of windings 70 and 71, the second metal plate 82 is electrically connected to the first metal plate 81 and is arranged between a circuit board 29 and the pair of windings 70 and 71, and the electrical resistance value of the first metal plate 81 is larger than the electrical resistance value of the second metal plate 82.SELECTED DRAWING: Figure 4
Patent JP-2020109351-A (JP)
Title: Heating device
Inventor: KAMIKAWA KEIJI
IPC: F27D7/02
Filed: 2020-04-13
Abstract: To provide a heating device which has excellent uniformity of temperature distribution and stability of cleanliness, and which can easily correspond to the change at least in a width direction size of an object to be heated.SOLUTION: A heating device 100 includes: a plurality of electric heaters 11 which are heat generation means provided at a plurality of wall bodies 10L, 10R for heating oppositely arranged with a distance; a plurality of heat radiation members 12 arranged in a shelf shape with a distance vertically in opposing regions of the plurality of wall bodies 10L, 10R for heating; a storage space 14 for an object 13 to be heated provided between heat radiation members 12 adjacent to each other vertically; and holding means 30 capable of holding the object 13 to be heated stored in the storage space 14 in a substantially horizontal posture and capable of changing a holding range with respect to the object 13 to be heated. The holding means 30 has an expansion/contraction mechanism 40 capable of changing an interval of a plurality of supporting bar materials 17L, 17R, and the expansion/contraction mechanism 40 has a movement mechanism 50 for contracting/expanding an interval of a plurality of support pillars 15L, 15R and the like.SELECTED DRAWING: Figure 1
Patent JP-2021169069-A (JP)
Title: Label peeling machine
Inventor: YASHIMA KAZUKI
IPC: C08J11/06
Filed: 2020-04-16
Abstract: To appropriately separate other object from a bottle supplied between a peeling cylinder and a peeling roll.SOLUTION: A label peeling machine 10 conveys a bottle in a supply cylinder 34, supplies the bottle into a peeling chamber 50 between a peeling cylinder 44 and a peeling roll 48, rotates the peeling roll 48, and thereby peels a label from the bottle. A foreign matter conveyed to the supply cylinder 34 together with the bottle passes through a removal hole 38A of the supply cylinder 34, and is discharged from the supply cylinder 34. For this reason, a foreign matter can be appropriately separated from the bottle supplied to the peeling chamber 50.SELECTED DRAWING: Figure 2
Patent JP-2021172890-A (JP)
Title: Pleated fabric mask
Inventor: INOUE KOSUKE
IPC: A41D13/11
Filed: 2020-04-19
Abstract: To provide a pleated fabric mask which has high shape retention of pleats of a mask body to the same degree as a pleated non-woven mask despite the fabric mask, is hard to lose a shape even when reused after washing, and does not damage a function of the pleated mask in which the mask body deforms three-dimensionally according to the shape of the face.SOLUTION: A mask body in which a rear woven fabric 15 becoming an adhesive core of a front woven fabric 14 is bonded to a whole rear side of the front woven fabric 14 is adopted as a mask body 12. Thus, shape retention of pleats 11 is high despite the fabric mask and a shape is hard to be loosed even when reused after washing. The fabric mask cannot be distinguished from a pleated non-woven mask at a first glance, and the mask body 12 can three-dimensionally be deformed according to the shape of the face even when a mask 10 is used.SELECTED DRAWING: Figure 1