baber/WOPTO huggingface dataset:
Patent JP-2021139473-A (JP)
Title: Rolling bearing
Inventor: Takarabe shinji
IPC: F16C33/82
Filed: 2020-03-06
Abstract: To provide a rolling bearing capable of suppressing the flow of foreign matters mixed into lubricating oil from a clearance between a cage and a bearing ring into the rolling element side.SOLUTION: A tapered roller bearing 1 includes an inner ring 4 and an outer ring 5, a plurality of rolling elements 2 for rolling on an inner ring raceway surface 4a formed on the inner ring 4 and on an outer ring raceway surface 5a formed on the outer ring 5, and a cage 3 for holding the plurality of rolling elements 2. To the outer ring 5, a magnetic substance 6 is mounted for attracting foreign matters F mixed into lubricating oil with the magnetic force of the magnetic substance 6.SELECTED DRAWING: Figure 2
Patent JP-2021145442-A (JP)
Title: Battery module
Inventor: TERAMOTO RYUICHI
IPC: H02J7/02
Filed: 2020-03-11
Abstract: To provide a battery module in which a battery unit can be efficiently used within an operable voltage range.SOLUTION: A battery module includes: a battery unit configured to apply a voltage to an object, the battery unit including a plurality of first cells; a first additional voltage part configured to assist an application of a voltage to the object by the battery unit; a first switcher configured to switch between a first state in which the first additional voltage part is not included in a current path between the battery unit and the object, and a second state in which the first additional voltage part is included in the current path; and a controller controlling the first switcher to switch from the first state to the second state before a voltage output by the battery unit becomes lower than a first lower limit when the battery unit is in a discharging state of applying a voltage to the object.SELECTED DRAWING: Figure 2
Patent JP-2020092466-A (JP)
Title: Self-contained time division duplex (tdd) sub-frame structure
Inventor: KRISHNA KIRAN MUKKAVILLI
IPC: H04W28/06
Filed: 2020-03-11
Abstract: To provide a self-contained sub-frame structure for wireless communication using a time division duplex (TDD) carrier.SOLUTION: Provided is a sub-frame structure for a time division duplex (TDD) carrier, capable of being fully self-contained. That is, information transmitted on the TDD carrier may be grouped into sub-frames. Each sub-frame requires no additional optional information in another sub-frame, and provides bi-directional (for instance, uplink and downlink) communication in a manner suitable to enable such communication. For example, a single sub-frame may contain scheduling information, data information corresponding to the scheduling information, and response information corresponding to the data information.SELECTED DRAWING: Figure 5
Patent JP-2021143369-A (JP)
Title: Aluminum alloy forged article and method for producing aluminum alloy forged article
Inventor: ARAYAMA TAKUYA
IPC: C22F1/05
Filed: 2020-03-11
Abstract: To provide an aluminum alloy forged article that has excellent mechanical property and is less likely to generate recrystallized grain, and to provide a method for producing the same.SOLUTION: An aluminum alloy forged article 1 of the present invention contains Cu: 0.15 mass% to 1.0 mass%, Mg: 0.6 mass% to 1.15 mass%, Si: 0.95 mass% to 1.25 mass%, Mn: 0.4 mass% to 0.6 mass%, Fe: 0.2 mass% to 0.3 mass%, Cr: 0.11 mass% to 0.25 mass%, Ti: 0.012 mass% to 0.035 mass%, and B by 0.0001 mass% to 0.03 mass%, the Zn content is 0.25 mass% or less, the Zr content is 0.05 mass% or less, the balance is Al and unavoidable impurities, and, setting the intensity of the diffraction peak of (220) plane of Mg2Si phase in the X-ray diffraction pattern obtained by X-ray diffraction measurement of the cross section of the forged article 1 as "Q1" (cps), and the intensity of the diffraction peak of (200) plane of Al phase as "Q2" (cps), the value of Q1/Q2 is 7×10-3 or less.SELECTED DRAWING: Figure 1
Patent JP-2021146508-A (JP)
Title: Drawing method
Inventor: GOTO KIKOJI
IPC: B43L13/00
Filed: 2020-03-16
Abstract: To provide a drawing method that uses a simple procedure with a smaller error than a conventional drawing method in a drawing method that divides an arbitrary angle into three equal parts.SOLUTION: A drawing method comprises: a step 1 of finding points A and B where OA=OB on OX and OY at an arbitrary acute angle XOY; a step 2 of drawing an equilateral triangle ABZ; a step 3 of drawing trisection points E and F of a side AB; a step 4 of drawing points L and M on AB of a pseudo-trisector of an angle AZB; and a step 5 of drawing an acute-angled XOY trisector based on EL and FM.SELECTED DRAWING: Figure 1
Patent JP-2021151025-A (JP)
Title: Secondary battery deterioration determination device and secondary battery deterioration determination system
Inventor: SATO AKIHIRO
IPC: H02J7/00
Filed: 2020-03-17
Abstract: To provide a technique capable of accurately determining the deterioration state of a secondary battery in a battery deterioration determination device that communicates with a battery pack and determines the deterioration state of the secondary battery contained in the battery pack.SOLUTION: A secondary battery deterioration determination device 1 that communicates with a battery pack 11 having a communication function to determine the deterioration state of a secondary battery 113 of the battery pack 11, causes the battery pack 11 to empty the secondary battery 113 and then fully charges the secondary battery 113 with a constant current value to determine the deterioration state of the secondary battery 113 (S1 to S4). The battery pack 11 calculates an actual storage amount indicating a present power storage amount of the secondary battery by multiplying the time from the start of charging until full charging by the constant current value when the full charging is performed, and determines the deterioration state of the secondary battery based on the difference between an initial value of the power storage amount of the secondary battery 113 and the calculated actual power storage amount. The secondary battery deterioration determination device 1 acquires a deterioration determination result from the battery pack, and prints or displays the determination result (S5 to S7).SELECTED DRAWING: Figure 7
Patent JP-2021149579-A (JP)
Title: Cutting face collapse monitor system
Inventor: TEZUKA HITOSHI
IPC: G08B21/00
Filed: 2020-03-19
Abstract: To provide a cutting face collapse monitor system which suppresses erroneous detection of a movable body other than stone fall of a cutting face.SOLUTION: A cutting face collapse monitor system 1 comprises: a camera 2; a monitoring device 3 which monitors a cutting face on the basis of a photographed cutting face image; and a warning lamp 4 and an alarming horn 5 which output an alarm when detecting stone fall of the cutting face. The monitoring device 3 comprises: a difference image creation part 21 which creates an output image by identifying a connection pixel that is regarded as a movable body in the cutting face image on the basis of a difference between the images; and a stone fall detection part 22 which sets on the output image a plurality of trigger lines extending in the horizontal direction with respect to the cutting face and arranged in parallel with each other in the vertical direction, determines the connection pixel overlapped on the plurality of trigger lines in the output image as a stone fall candidate, and detects the stone fall candidate as stone fall when detecting the stone fall candidate of the second output image that is consecutive in a time-series in the lower direction with respect to the stone fall candidate of the first output image by monitoring the position of the stone fall candidate with the plurality of trigger lines as the reference.SELECTED DRAWING: Figure 1
Patent JP-2021147005-A (JP)
Title: Vehicle with improved aerodynamic characteristic
Inventor: KURUME TADASHI
IPC: B62D37/02
Filed: 2020-03-23
Abstract: To improve an aerodynamic characteristic of a vehicle in which a rear aerodynamic adjustment member is provided so as to be spaced on a rear upper surface of the vehicle and extend in a vehicle width direction of a vehicle body for improving a CL value of the vehicle body.SOLUTION: A vehicle 1 having a vehicle body 2 that can travel includes: a rear aerodynamic adjustment member 10 provided so as to be spaced on a rear upper surface (5) with respect to the traveling vehicle body 2 and extend in a vehicle width direction of the vehicle body 2; a special processed surface 20 formed on an upper surface of the rear aerodynamic adjustment member 10 and having a plurality of recesses 21; and a smooth surface (14) formed on a lower surface of the rear aerodynamic adjustment member 10.SELECTED DRAWING: Figure 4
Patent JP-2021155958-A (JP)
Title: Bicycle parking system
Inventor: TERAUCHI JUN
IPC: H04Q9/00
Filed: 2020-03-26
Abstract: To provide a bicycle parking system devised to be easily installed as a bicycle parking lot.SOLUTION: A bicycle parking system 100 is equipped with a bicycle parking device 1 having a bicycle housing device 30, a bicycle parking management server 7 communicatively connected to the bicycle parking device 1; the bicycle parking device 1 locks the bicycle housing device 30 in response to detection of entry into the bicycle housing device 30, and transmits a device ID and key data specifying the bicycle housing device 30 to the bicycle parking management server 7; the bicycle parking management server 7 stores the received key data associated with the received device ID, and when receiving key request data including the device ID from a portable terminal 4, transmits the unlocking instruction data including the key data associated with the device ID to the portable terminal 4; the bicycle parking device 1 collates the key data stored in the bicycle parking device 1 with the key data of the unlocking instruction data when receiving the unlocking instruction data from the portable terminal 4, and unlocks the bicycle housing device 30 when the collation is completed.SELECTED DRAWING: Figure 1
Patent JP-2021156981-A (JP)
Title: Mounting structure
Inventor: UEKI MASAHIDE
IPC: H04N5/64
Filed: 2020-03-26
Abstract: To suppress a gap between joined frame bodies.SOLUTION: A mounting structure has a support structure including: a first frame body and a second frame body each having a plate-like frame plate portion, a plate-like receiving plate portion projecting from the frame plate portion, and a locking portion opposed to the frame plate portion with a space and provided at a position away from the receiving plate portion; and a support structure having a plate-like fixed portion and a first projecting plate and a second projecting plate that are two plate-like portions projecting from the fixed portion and extending in a direction intersecting with each other. With the support structure, in a state where a part of the first projecting plate is disposed between the frame plate portion of the first frame body and the locking portion and part of the second projecting plate is disposed between the frame plate portion of the second frame body and the locking portion, the fixed portion is fixed relative to the receiving plate portion and the first frame body and the second frame body are connected.SELECTED DRAWING: Figure 6
Patent JP-2021155520-A (JP)
Title: Modifying agent for thermoplastic polyester resin and thermoplastic polyester resin composition
Inventor: SUGANOMATA YU
IPC: C08L67/00
Filed: 2020-03-26
Abstract: To provide a modifying agent composed of polymer particles which improves impact strength of a polyester resin by blending in a polyester resin.SOLUTION: There are provided polymer particles which contain a first core layer, a second layer and a shell layer, wherein the first core layer is formed from a crosslinked polymer containing an acrylic acid ester monomer unit, the second core layer is formed from a crosslinked polymer containing an acrylic acid ester monomer unit and an epoxy group-containing (meth)acrylic monomer unit, the content of the epoxy group-containing (meth)acrylic monomer unit of the second core layer is 0.1 to 2.0 wt.% based on the whole polymer particles, the shell layer is formed from a polymer containing 60 to 100 wt.% of a methacrylic acid ester monomer unit and contains an epoxy group-containing (meth)acrylic monomer unit and the content of the epoxy group-containing (meth)acrylic monomer unit of the shell layer is 0.1 to 4.0 wt.% based on the whole polymer particles.SELECTED DRAWING: None
Patent JP-2021154638-A (JP)
Title: Method for manufacturing high pressure tank
Inventor: HATTA TAKESHI
IPC: F16J12/00
Filed: 2020-03-27
Abstract: To provide a method for manufacturing a high pressure tank which enables high quality impregnation while enhancing resin impregnation property and suppressing reduction in productivity when a fiber layer is impregnated with a resin.SOLUTION: A method for manufacturing a high pressure tank includes the steps of: winding carbon fibers and soluble fibers around an outer periphery of a liner; dissolving the soluble fibers of the liner around which the carbon fibers and the soluble fibers are wound; and impregnating a layer composed of the carbon fibers wound around the liner with a resin.SELECTED DRAWING: Figure 4
Patent JP-2021155006-A (JP)
Title: Mobile body control device, mobile body control method, and program
Inventor: YASUI YUJI
IPC: G08G1/16
Filed: 2020-03-30
Abstract: To provide a mobile body control device, a mobile body control method, and a program capable of rapidly performing necessary control according to a scene.SOLUTION: A mobile body control device includes: a first controller that recognizes a situation around a mobile body on the basis of the output of a detection device having a space around the mobile body as a detection range and generates a first movement plan for the mobile body with a first period on the basis of the recognized situation around the mobile body; and a second controller that generates a second movement plan for the mobile body with a second period shorter than the first period. The second controller generates label data in which label information indicating a different value depending on at least the presence or absence of a moving target is given to each of division elements obtained by dividing the space around the mobile body into a finite number of elements, and generates the second movement plan on the basis of the label data.SELECTED DRAWING: Figure 2
Patent JP-2021163787-A (JP)
Title: Conductive protection film and solar battery
Inventor: GOTO KAZUYASU
IPC: H01L31/0747
Filed: 2020-03-30
Abstract: To provide a novel technology capable of improving conductivity of a protection film.SOLUTION: On each of both surfaces of a silicon substrate 10, an amorphous silicon oxide layer 12, an amorphous silicon oxide layer 14, an amorphous silicon oxide layer 16 and a highly-doped amorphous silicon layer 18 are laminated in this order. Spherical silicon nanodots 20 are crystallized and deposited by annealing processing in the amorphous silicon oxide layer 14 that is poorer in oxygen than silicon dioxide of stoichiometry composition. The amorphous silicon layer 18 is altered to a highly-doped polycrystalline silicon layer 22 by the annealing processing. Thereby, a conductive protection film 30 that includes the silicon nanodots 20 therein is formed.SELECTED DRAWING: Figure 1
Patent JP-2020181978-A (JP)
Title: Conductive composition for polarization process, temporary electrode and method for manufacturing piezoelectric ceramic
Inventor: TOYOMURA IKKI
IPC: C08L101/00
Filed: 2020-04-06
Abstract: To provide a conductive composition for a polarization process, which is superior in the printability to form a temporary electrode, which can be dried at a low temperature in a short time, and which can be rinsed with water.SOLUTION: A conductive composition for forming a temporary electrode to be utilized in a polarization process for manufacturing a piezoelectric ceramic is prepared by combination of metal particles (A), a water-insoluble resin (B), a water-soluble polyether polymer (C) and an organic solvent (D). The metal particles (A) may be silver particles. The water-insoluble resin (B) may be a (meth) acrylic resin and/or a cellulose derivative. The water-soluble polyether polymer (C) may be poly C2-3 alkylene glycol or its block copolymer (especially, polyethylene glycol of which the number-average molecular weight is 200 or larger). The organic solvent (D) has a boiling point of 140-200°C. The organic solvent (D) may be a solvent which can dissolve the water-insoluble resin (B) and the water-soluble polyether polymer (C).SELECTED DRAWING: None
Patent JP-2021165241-A (JP)
Title: Agent for treating and preventing intracellular impaired cholesterol trafficking
Inventor: ISHIZUKA YOICHI
IPC: A61P3/06
Filed: 2020-04-06
Abstract: To provide a composition useful for treating and preventing intracellular impaired cholesterol trafficking.SOLUTION: A pharmaceutical composition contains hydroxy butyl-γ-cyclodextrin (HBGCD) or an ester derivative thereof, or salts thereof as active ingredients.SELECTED DRAWING: None
Patent JP-2021113797-A (JP)
Title: Pressure sensor test device
Inventor: WANG JING
IPC: G01L25/00
Filed: 2020-04-09
Abstract: To provide a pressure sensor test device capable of performing sensitivity test and fatigue test.SOLUTION: A pressure sensor test device comprises a main body 1, an empty space 31 is formed in the main body 1, and a second sliding groove 9 is formed on a bottom wall of the empty space 31. A second rotating space 57 is formed at a lower end of the second sliding groove 9, and a third motor is fixedly connected to a rear end wall of the second rotating space 57. A first transmission shaft 30 rotatably connected to front and rear end walls of the second rotating space 57 is connected to the third motor so as to be able to be transmitted, and a tray 8 is slidably connected in the second sliding groove 9. A catch groove 56 is formed in an upper end wall of the tray 8 in a positionally symmetrical manner, a high precision pressure sensor 28 is fixedly connected in the catch groove 56 at a right end, and a first rack 27 is fixedly attached at a lower end of the tray 8.SELECTED DRAWING: Figure 1
Patent JP-2021168578-A (JP)
Title: Power supply device and image formation device
Inventor: INAGAKI MASAMI
IPC: H02M3/28
Filed: 2020-04-13
Abstract: To perform a switching control from a sleep mode into a print mode in a shorter time.SOLUTION: A power supply device comprises: a switching notification part 306 for notifying a switching of a first voltage mode and a second voltage mode; predictive means (S601) for predicting a target on-duty of a FET 1 for outputting a second voltage; and detection means (S608) for detecting that a rectified and smoothed voltage has reached a voltage corresponding to the target on-duty. When the switching from the first voltage mode to the second voltage mode is notified of by the switching notification part 306, a power supply control part 301 shifts into a switching mode (S603 to S606) for controlling an on-duty of the FET 1 to gradually increase to the target on-duty. After the on-duty of the FET 1 reaches the target on-duty (S607), and then, when it is detected by the detection means (S608) that the rectified and smoothed voltage has reached the voltage corresponding to the target on-duty, the power supply control part shifts into the second voltage mode.SELECTED DRAWING: Figure 6
Patent JP-2021167545-A (JP)
Title: Travel rail and maintenance device using the same
Inventor: FUJII YOSHIHISA
IPC: E04G23/00
Filed: 2020-04-13
Abstract: To achieve both the support rigidity of a travelling body and the degree of freedom of a travelling route with a simple configuration.SOLUTION: A travelling rail 1 includes a base portion 11, an extension portion 12 extending from the base portion 11, a holding portion 13 formed at the tip of the extension portion 12 and widened with respect to the extension portion 12 so as to be engaged with a rotating member of a travelling body. The base portion 11 has a base surface material 11a made of soft resin, and a base core material 11b arranged inside the base surface material 11a and made of a material harder than the base surface material 11a. The extension portion 12 has an extension surface layer material 12a made of a soft resin integrated with the base surface layer material 11a, and an extended core material 12b made of a material arranged inside the extension surface layer material 12a and harder than the extension surface layer material 12a. The holding portion 13 is made of a material containing a soft resin integrated with the extension surface layer material 12a.SELECTED DRAWING: Figure 5
Patent JP-2021169872-A (JP)
Title: Liquefied hydrogen production facility
Inventor: YAJIMA MASAKO
IPC: F25J1/00
Filed: 2020-04-14
Abstract: To provide a liquefied hydrogen production facility capable of reducing energy loss in production of liquefied hydrogen.SOLUTION: A liquefied hydrogen production facility includes: a hydrogen gas generation device; a hydrogen liquefier including a first cooler which cools hydrogen gas by using liquefied nitrogen and liquefies hydrogen gas to generate liquefied hydrogen; and a nitrogen liquefier which liquefies nitrogen gas to generate liquefied nitrogen. The nitrogen liquefier includes a heat exchanger which cools nitrogen gas by introducing nitrogen gas discharged from the hydrogen liquefier and exchanging heat between the nitrogen gas and liquid hydrocarbon. The heat exchanger discharges hydrocarbon gas generated through vaporization of liquid hydrocarbon by cooling nitrogen gas by using liquid hydrocarbon. The hydrogen gas generation device is configured to introduce the hydrocarbon gas discharged from the heat exchanger to a reformer.SELECTED DRAWING: Figure 1
Patent JP-2021170088-A (JP)
Title: Dialogue device, dialogue system and dialogue method
Inventor: AMALIA ISTIQLALI ADIBA
IPC: G10L15/22
Filed: 2020-04-16
Abstract: To provide a dialogue device which accurately determines whether or not a user's utterance is ended and realizes a natural conversation between the user and a dialogue system.SOLUTION: A dialogue device 250 includes: an utterance reception unit 252 which receives a first user's utterance from a user 210; an utterance end determination unit 254 which analyzes the first user's utterance and determines an end of the first user's utterance; a voice section detection unit 256 for determining whether or not the user is speaking before a machine utterance for the first user's utterance is output, when it is determined that the first user's utterance is ended; and an utterance management unit 258 which outputs the machine utterance when it is determined that the user is not speaking before the machine utterance for the user's utterance is output, and determines and executes an utterance management action when it is determined that the user is speaking.SELECTED DRAWING: Figure 2