baber/WOPTO huggingface dataset:
Patent JP-2021135376-A (JP)
Title: Image forming apparatus
Inventor: INUZUKA TOMOYA
IPC: G03G15/16
Filed: 2020-02-26
Abstract: To provide an image forming apparatus that can prevent the occurrence of an image defect in a transfer unit caused by a change in the amount of offset.SOLUTION: In an image forming apparatus 100, a control unit 150 can control a conveying and driving unit 114 to, when transfer is performed with a relative position of an outer roller 41 to an inner roller 26 as a first relative position, adjust the speed ratio of the driving speed Vp of a conveying member 13 driven by the conveying and driving unit 114 to the driving speed Vb of a belt 21 driven by a belt driving unit 112 (Vp/Vb) to a first speed ratio, and when transfer is performed with the relative position as a second relative position, adjust the speed ratio (Vp/Vb) to a second speed ratio smaller than the first speed ratio.SELECTED DRAWING: Figure 9
Patent JP-2021133806-A (JP)
Title: Brake fluid pressure control device and saddle-riding type vehicle
Inventor: ODAKA MIKIYA
IPC: F16C35/063
Filed: 2020-02-27
Abstract: To obtain a brake fluid pressure control device for a saddle-riding type vehicle which enables downsizing compared to conventional brake fluid pressure control devices.SOLUTION: A brake fluid pressure control device (70) according to the invention includes: a substrate (80); a motor (40) which is a brushless motor driving a pump device (31); a housing (85) connected to the substrate (80); and a detection mechanism (60) which detects a rotation state of an output shaft (45). The motor (40) is disposed in a space enclosed by the substrate (80) and the housing (85). A bearing (46) of the motor (40) is inserted into a recessed part (84) formed at the substrate (80).SELECTED DRAWING: Figure 3
Patent JP-2020080574-A (JP)
Title: Responder and communication method
Inventor: HOAN REI
IPC: H04B7/06
Filed: 2020-02-27
Abstract: To provide radio equipment having multiple array antennas capable of normally performing MIMO operation by properly determining the optimal TX/RX beam combination.SOLUTION: In sending sector scan, a set of a certain number of transmitting sectors is selected for multiple transmit antennas, and in receiving sector scan, a set of a certain number of receiving sectors is selected for each of multiple receiving antennas. In beam combination training, a predetermined number of pairs of transmission sectors and receiving sectors used for MIMO operation is determined so that the transmission antennas forming the transmission sector and the receiving antennas forming the receiving sector do not overlap among all pairs out of the sets of the transmission sectors and the sets of receiving sectors.SELECTED DRAWING: Figure 8
Patent JP-2021135227-A (JP)
Title: Infrared measuring device
Inventor: KITAHARA TAKAHIRO
IPC: G01J1/42
Filed: 2020-02-28
Abstract: To provide an infrared measuring device capable of eliminating noise generated by visible light without using an optical filter with visible light cut function or a special material.SOLUTION: The infrared measuring device comprises: a light emitting section emitting infrared light; a light receiving section 20 outputting photocurrent by receiving light; and a measurement section 40 measuring light received by the light receiving section on the basis of the output of the light receiving section. The light receiving section 20 includes: a signal line L1 connected to the measurement section 40; an infrared light receiving section 21 having an infrared photodiode PDi; a plurality of visible light receiving sections 22 each having a visible light photodiode PDv; and a plurality of switches SW respectively provided between the plurality of visible light photodiodes PDv and the signal line L1.SELECTED DRAWING: Figure 6
Patent JP-2021079068-A (JP)
Title: Cleaning disinfection device of oral cavity surgery tool
Inventor: MA YALI
IPC: A61L2/10
Filed: 2020-03-03
Abstract: To disclose a cleaning disinfection device of an oral cavity surgery tool.SOLUTION: A cleaning disinfection device includes a chassis, a cleaning space is installed in the chassis, on a backside inner wall of the cleaning space, an inlet is installed, a surgery tool can be transferred easily into the cleaning space via the inlet, a cleaning component capable of cleaning the surgery tool is installed in the cleaning space, the present invention performs cleaning and disinfection treatment simultaneously to a large amount of different surgery tools, without depending on an intervention operation due to human power during treatment, without causing secondary pollution, furthermore, operation areas of the cleaning and disinfection may be partitioned, or communicated, the surgery tool can be speedily taken with hand or accommodated due to magnetic attraction, during disinfection, the surgery tools can be elementally selected, other than the above, the disinfection area is heated to be a high temperature environment, and the surgery tools can be stored in a disinfection area.SELECTED DRAWING: Figure 1
Patent JP-2021137206-A (JP)
Title: Fire hydrant device
Inventor: SADA KOICHI
IPC: B05B1/12
Filed: 2020-03-04
Abstract: To visually check what range discharged water reaches in each of rod-like water discharging and spray water discharging when discharging water from a nozzle of a fire hydrant device.SOLUTION: A fire hydrant device includes a hose (140) and a nozzle (150) connected to the hose (140). The nozzle (150) is configured so as to switch water discharging between rod-like water discharging and spray water discharging, and is provided with a light source (160) for emitting light by switching an illumination range between a narrow illumination range according to the rod-like water discharging and a wide illumination range according to the spread of the spray water discharging.SELECTED DRAWING: Figure 1
Patent JP-2021141159-A (JP)
Title: Coil device
Inventor: KUNIZUKA MITSUHIRO
IPC: H01F19/06
Filed: 2020-03-04
Abstract: To provide a coil device with low insertion loss in a high frequency band.SOLUTION: A coil device 10 includes a core 20 having a winding core portion 23 and flange portions 21 and 22 formed at the ends of the winding core portion 23, a first winding portion 71 formed by winding a first primary winding 51 and a first secondary winding 61 around the core portion 23, and a second winding portion 72 formed by winding a second primary winding 52 and a second secondary winding 62 around the winding core portion 23. The second winding portion 72 is formed with an alternating winding region 72a in which the second primary winding 52 and the second secondary winding 62 are alternately arranged and wound, and a continuous winding region 72b in which one of the second primary winding 52 and the second secondary windings 62 is continuously wound.SELECTED DRAWING: Figure 3
Patent JP-2020092465-A (JP)
Title: Classification and silencing for uplink multi-user transmission in WLAN
Inventor: OGHENEKOME OTERI
IPC: H04W72/12
Filed: 2020-03-09
Abstract: To solve a problem in which a WTRU involved in multi-user multiple input multiple output (MU-MIMO) transmission with an access point (AP) limit their operating bandwidth to the minimum channel bandwidth supported by the WTRUs included in MU-MIMO transmissions with the AP, which may result in poor uplink MU transmission.SOLUTION: There are provided a method, a device, and a system for MU transmission which includes scheduling an uplink (UL) MU transmission for a group of WTRUs in which there is an indication indicating that at least one of multiple resource units (RUs) has been silenced by an AP. Silencing can be based on making coordination with one or more overlapping access points, or performed by analyzing the condition of a channel associated with the AP.SELECTED DRAWING: Figure 2
Patent JP-2021142458-A (JP)
Title: Backwash method, and control device, water treatment system and program
Inventor: YONETANI TAKASHI
IPC: C02F1/28
Filed: 2020-03-10
Abstract: To provide a technique which effectively backwashes an active carbon layer while suppressing outflow of active carbon.SOLUTION: A backwash method of an active carbon layer in an active carbon treatment tank comprises: a step (A) of passing backwash water at a first average flow rate immediately after a start of backwash; and a step (B) of passing the backwash water at a second average flow rate larger than the first average flow rate after the step (A). In the backwash method, preferably, an end time of the step (A) is determined using transparency of backwash wastewater. More preferably, the end time is the time after the transparency of the backwash wastewater becomes not less than a predetermined level.SELECTED DRAWING: Figure 1
Patent JP-2021143693-A (JP)
Title: Power transmission device for vehicle
Inventor: MATSUURA FUMIO
IPC: B60L7/14
Filed: 2020-03-10
Abstract: To effectively transmit coast torque to a motor generator side while actualizing a gear change having no torque reduction by using one-way clutches.SOLUTION: A power transmission device includes a motor generator 10, an input shaft 21, an output shaft 22, gear trains 23, 24 having mutually different gear ratios, a clutch mechanism 60 capable of selectively switching the gear train 24 and the input shaft 21 or the output shaft 22 into a connecting state of connecting the transmission of power or into a disconnecting state of disconnecting the transmission of the power, a first one-way clutch 30 provided between the gear train 23 and the input shaft 21 or the output shaft 22 for transmitting power from the input shaft 21 side to the output shaft 22 side while not transmitting the power from the output shaft 22 side to the input shaft 21 side, and a second one-way clutch 40 provided between the gear train 24 and the input shaft 21 or the output shaft 22 for transmitting the power from the output shaft 22 side to the input shaft 21 side while not transmitting the power from the input shaft 21 side to the output shaft 22 side.SELECTED DRAWING: Figure 1
Patent JP-2021145435-A (JP)
Title: Switching power supply device
Inventor: OMOTO YASUMICHI
IPC: H02M3/155
Filed: 2020-03-11
Abstract: To easily and effectively suppress the demagnetization phenomenon of a transformer in a switching power supply device having a plurality of converters connected in multiple stages.SOLUTION: A DC-DC converter 101 (switching power supply device) includes a first converter 1 including a first switching element Q5, a second converter 2 including second switching elements Q1 to Q4 and a transformer TR, and a control unit 3 that generates and outputs a first pulse signal for driving the first switching element Q5 and a second pulse signal for driving the second switching elements Q1 to Q4. The control unit 3 shifts the phase of the first pulse signal and the phase of the second pulse signal by a predetermined amount such that the average value of an exciting current flowing through the transformer TR due to the switching operation of the first and second switching elements Q5 and Q1 to Q4 becomes zero.SELECTED DRAWING: Figure 1
Patent JP-2021143783-A (JP)
Title: refrigerator
Inventor: SAKAGAMI RYOSUKE
IPC: F25D29/00
Filed: 2020-03-11
Abstract: To provide a refrigerator capable of reducing load on a connection terminal at the time of an operation of connecting an external device.SOLUTION: A refrigerator includes: a refrigerator body including a storage room; a door provided in the refrigerator body to open and close the storage room; a connection part provided in the door and to which an external device can be connected by being inserted thereto; and a substrate to which the connection part is mounted. The connection part includes a locking part locked to the door and extending in a direction that is different from an insertion/removal direction of an external device.SELECTED DRAWING: Figure 5
Patent JP-2021150674-A (JP)
Title: Acoustic device
Inventor: OTANI YOHEI
IPC: H03F3/217
Filed: 2020-03-16
Abstract: To improve efficiency η of the entire acoustic device including an amplifier over the entire frequency band including a minimum resonance frequency F0.SOLUTION: An acoustic device 10 includes: a class D amplifier 1; and a speaker system SS comprising a voice coil to be driven by the class D amplifier 1. The class D amplifier 1 comprises a current feedback circuit 200. The speaker system SS has a Q value lower than the lower limit value of a proper range. The current feedback circuit 200 increases the acoustic device 10's Q value to a value in the proper range by increasing output resistance of the class D amplifier via feedback of current flowing through the voice coil to an input unit of the class D amplifier 1.SELECTED DRAWING: Figure 1
Patent JP-2021146518-A (JP)
Title: Laminate and method for producing the same
Inventor: SAITO TOSHIHIRO
IPC: C08K3/34
Filed: 2020-03-16
Abstract: To provide a laminate including a chloroprene rubber vulcanizate layer and a chlorosulfonated polyolefin vulcanizate layer that are strongly bonded together.SOLUTION: A laminate has a chloroprene rubber vulcanizate layer and an adjacent chlorosulfonated polyolefin vulcanizate layer. The chloroprene rubber vulcanizate contains a silicon compound of 30-100 pts.wt. relative to the chloroprene rubber 100 pts.wt.SELECTED DRAWING: None
Patent JP-2021150750-A (JP)
Title: Image forming apparatus and image forming method
Inventor: KAKU YUTARO
IPC: G03G15/00
Filed: 2020-03-18
Abstract: To detect positional deviation between images formed on a front face and a rear face of a sheet in a short time.SOLUTION: An image forming apparatus is provided with an image forming unit 6K that can form an image capable of absorbing an infrared ray on a front face of a sheet P. The image forming apparatus is provided with an infrared sensor 70 (image reading unit) that irradiates the sheet P having an image G1 and an image G2 formed by the image forming unit 6K on a front face P1 and a rear face P2, respectively, with an infrared ray from a side of the front face P1 or the rear face P2, and reads the image G1 formed on the front face P1 and the image G2 formed on the rear face P2 in an overlapping manner.SELECTED DRAWING: Figure 1
Patent JP-2021137945-A (JP)
Title: Triple protection system
Inventor: KANEDA YUKINORI
IPC: B25F1/04
Filed: 2020-03-02
Abstract: To solve the problem that a conventional folding type tool has a risk that a hand is caught between a tool including a blade and a handle and/or a liner during unexpected unlocking and during folding the tool including a blade.SOLUTION: A folding type guard is integrated, a place at which a rotation surface of the folding type guard coincides with a rotation surface of a tool including a blade is provided, and a lock mechanism for releasing a lock by burying a dead bolt in a pivot pin having a large diameter is integrated.SELECTED DRAWING: Figure 2
Patent JP-2020164826-A (JP)
Title: Fuel oil composition
Inventor: ODAGIRI KEIICHI
IPC: C10L1/189
Filed: 2020-03-19
Abstract: To provide a fuel oil composition that can address environmental issues and suppress precipitation of sludge during storage and use.SOLUTION: A fuel oil composition containing a fuel oil base oil having a sulfur element content of 0.01 to 0.50 mass% and a calcium salicylate having a total base value of 30 to 400 mgKOH/g.SELECTED DRAWING: None
Patent JP-2021148698-A (JP)
Title: Automatic inspection device
Inventor: HASEJIMA Noriyasu
IPC: G01M99/00
Filed: 2020-03-23
Abstract: To provide an automatic inspection device that causes an expensive map creation device which creates a highly accurate inspection map required for autonomous traveling to be independent as an attachment, that attaches the map creation device to the automatic inspection device only when the map is created, that detaches the map creation device from the automatic inspection device at normal automatic inspection time, and that is not expensive and highly efficient, according to the present invention.SOLUTION: An automatic inspection device according to the present invention comprises: a camera that images a surrounding inspection object image; a first environment recognition sensor that acquires surrounding three-dimensional information; a first position estimation sensor that acquires a position; an information storage unit that stores first sensor information and an inspection map of the first environment recognition sensor and the first position estimation sensor; an arithmetic processing unit that performs arithmetic processing for executing automatic inspection using the first sensor information; and a control unit that controls autonomous traveling. The automatic inspection device is characterized to have an attachment/detachment mechanism of a map creation device that creates the inspection map.SELECTED DRAWING: Figure 1
Patent JP-2021151422-A (JP)
Title: Game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2020-03-25
Abstract: To provide a game machine capable of enhancing interest by an informing performance having various parts.SOLUTION: In a game machine having an informing performance for reporting whether control is performed to an advantageous state, an introduction part is provided, abetment up to a winning/losing informing part is performed so as to increase a player's sense of exaltation, an epilogue part is provided after reporting winning in the winning/losing informing part, and a feeling of blessing is granted, thus achieving an informing performance full of variety by the sense of exaltation in the introduction part and the feeling of blessing in the epilogue part.SELECTED DRAWING: Figure 33
Patent JP-2021155173-A (JP)
Title: Guide display system and crane including the same
Inventor: ISHIKAWA GEN
IPC: B66C13/00
Filed: 2020-03-26
Abstract: To provide a guide display system capable of inhibiting deviation of a guide frame graphic with respect to a hoisted cargo or a ground object when an image captured with a camera is superimposed with guide information to be displayed on a data display unit.SOLUTION: In a guide display system 50 of a crane 1, a data processing unit 70 calculates a measurement region Rx corresponding to a measurement region R of a camera 61, captures a three-dimensional map M in the measurement region Rx from the viewpoint of the camera 61 to generate a first image P1, and performs mosaic processing of the image of the camera 61 in accordance with the granularity of the three-dimensional map M to generate a second image P2. The data processing unit further performs registration processing of the first image P1 and the second image P2 to calculate a deviation amount D between the first image P1 and the second image P2. Then, the data processing unit superposes an image of a suspended cargo W and a ground object E on the guide frame graphic GD1 to be displayed on a data display unit 80 while correcting an arrangement position of the guide frame graphic GD1 with respect to the image of the suspended cargo W and the ground object E based on the calculated deviation amount D.SELECTED DRAWING: Figure 18
Patent JP-2021163774-A (JP)
Title: Crimping head, mounting device, and mounting method using this
Inventor: IMAI KOICHI
IPC: H05K3/34
Filed: 2020-03-30
Abstract: To provide a crimping head that can perform mounting with excellent bonding quality under each condition even when the material of a substrate is different when an electronic component such as a semiconductor chip is temporarily fixed to a substrate via a thermosetting adhesive in a laminated state to perform thermocompression bonding, a mounting device using this, and a mounting method.SOLUTION: A crimping head for mounting an electronic component on a substrate includes an attachment including a head body with a built-in heater, a pressing member that presses an electronic component mounted on the lower part of the head body, and an elastic member interposed between the head body and the pressing member, and a laminate of a material different from that of the pressing member is provided on the surface of the pressing member facing the electronic component, and there are also provided a mounting device and a mounting method using the crimping head.SELECTED DRAWING: Figure 1
Patent JP-2021160440-A (JP)
Title: Glass run
Inventor: ASANO HIROTAKA
IPC: B60J10/76
Filed: 2020-03-31
Abstract: To provide a glass run capable of efficiently draining water entering a vehicle to outside the vehicle in high-pressure vehicle washing etc.MEANS FOR SOLVING THE PROBLEM: At a molding part 51, a cutoff wall 54 which cuts off water flowing over an upper side part bottom wall 21 from outside a vehicle by sealing a space between an upper side part vehicle interior side wall 22 and a vehicle interior molding lip 25 and a water guide wall 55 which communicates an upper side part vehicle interior side wall 23 on the side of a glass run upper side part 20 of the cutoff wall 54 and the vehicle interior molding lip 25, and guides the water to a vehicle exterior side of a longitudinal side part vehicle exterior side wall 33 of a glass run longitudinal side part 31 are formed, a water guide part 56 which consists of the cutoff wall 54 and water guide wall 55 being formed while inclined from above the vehicle interior side to below the vehicle exterior side in a width direction of the automobile.SELECTED DRAWING: Figure 6
Patent JP-2021162655-A (JP)
Title: Virtual image display device
Inventor: MATSUMOTO DAIKI
IPC: G03B35/18
Filed: 2020-03-31
Abstract: To reduce the size of a virtual image display device in which an optical system can be made small as a whole.SOLUTION: A virtual image display device includes an image light generation device 11, a projection optical system 21 that projects image light ML emitted from the image light generation device 11, a reflection mirror 22 that reflects the image light ML from the projection optical system 21 in an intersecting direction, a semitransmissive mirror 23 that reflects a part of the image light ML from the reflection mirror 22, and a concave mirror 24 that reflects the image light ML reflected on the semitransmissive mirror 23 toward the semitransmissive mirror 23 so as to form an exit pupil. Between the projection optical system 21 and the semitransmissive mirror 23, an incidence pupil PI is formed.SELECTED DRAWING: Figure 3
Patent JP-2021164250-A (JP)
Title: Stator for rotary electric machine
Inventor: ODAGI TAKAHIRO
IPC: H02K3/50
Filed: 2020-03-31
Abstract: To enable sufficiently cooling a coil end part.SOLUTION: A stator for a rotary electric machine includes: a stator core; a stator coil which is wound around the stator core and has a coil end part protruding outward from an end face of the stator core in an axial direction; and an annular mold part covering an edge part of the coil end part which is apart from the stator core in the axial direction. A coolant is supplied to a coil end exposed part of the coil end part from the upper side of the coil end exposed part between the stator core and the mold part. The mold part includes: a communication hole which communicates between the coil end exposed part and the opposite side thereto in the axial direction; and a guide part which guides the coolant, which flows through the end face of the mold part in the axial direction, to the communication hole.SELECTED DRAWING: Figure 1