baber/WOPTO huggingface dataset:
Patent JP-2021004925-A (JP)
Title: Projection optical system and projector device
Inventor: MATSUO YASUHIKO
IPC: G03B21/00
Filed: 2019-06-25
Abstract: To provide a reflective projection optical system for projector devices, which is capable of securing brightness in the image periphery.SOLUTION: A projection optical system is provided, comprising a first dioptric system G1 for forming an image of a reduction-side image on the magnification side as a first intermediate image 51, a second dioptric system G2 for forming an image of the first intermediate image 51 on the magnification side as a second intermediate image 52, and a catoptric system including a concave mirror 4 for forming an image of the second intermediate image 52 on the magnification side as a projection image. When viewed from a plane including a light path of exit light from the center of the reduction-side image to the concave mirror 4, the reduction-side image does not intersect an optical axis Z of the first dioptric system G1. A numeric aperture NA1 of a luminous flux exiting from a point 1a closest to the optical axis Z and a numerical aperture NA2 of the luminous flux exiting from a point 1b furthest from the optical axis Z satisfy the following expressions (1), (2): 0.9<NA2/NA1<0.7 ...(1), 0.17<NA2≤0.25 ...(2).SELECTED DRAWING: Figure 1
Patent JP-2019150726-A (JP)
Title: Game machine
Inventor: AOKI HAJIME
IPC: A63F7/02
Filed: 2019-06-25
Abstract: To provide a game machine capable taking appropriate and flexible action against an unauthorized operation.SOLUTION: A main control circuit, when the main CPU determines that an unauthorized operation is present, can send a command indicative of the unauthorized operation to a sub-control circuit. The main control circuit also includes an external terminal board capable of outputting a security signal. When a signal is input to the main CPU from a vibration detection sensor and a security signal output flag is on (S320: Yes), the external terminal board outputs a security signal to the outside (S321). When the signal is input to the main CPU from the vibration detection sensor and a sub-illegal signal output flag is on (S322: Yes), the main CPU sends a command indicative of the unauthorized operation to the sub-control circuit (S323).SELECTED DRAWING: Figure 44
Patent JP-2020001164-A (JP)
Title: Method for manufacturing strip steel cutter and strip steel cutter for tool
Inventor: ANTON HAAS
IPC: B26D1/00
Filed: 2019-06-27
Abstract: To improve the quality of a strip steel cutter, and to elongate a life of the strip steel cutter while possessing an advantage of a tool in terms of a use technology.SOLUTION: In a method for manufacturing a strip steel cutter having a cutting edge 2, a strip steel 1 having decarburization parts 4, 4' on a surface is applied with cutting processing accompanied by the formation of a longitudinal cutting edge 2 while possessing an intermediate organization at a base end, and a material is hardened in cutting edge ranges 6, 7. In a first step, a cutting type of cutting faces 3, 3': 5, 5' accompanied by the formation of the cutting edge 2 is created at a longitudinal side, in a second step, the hardening of the cutting edge ranges 6; 7 is performed, in a third step, the cutting faces 3, 3' are cut toward the cutting edge 2 by precise processing by polishing, and in a fourth step, continuous hardening in the cutting edge ranges 6, 7 is performed, and the hardness of the material in the cutting range 7 of a tip of the cutting edge 2 is increased.SELECTED DRAWING: Figure 1
Patent JP-2021009788-A (JP)
Title: Metal graphite brush
Inventor: KOGA SHUHEI
IPC: H01R39/20
Filed: 2019-07-01
Abstract: To reduce aggression to a rotating body which is a sliding partner and has excellent wear resistance even under a high temperature condition under which Cu is strongly oxidized on a sliding surface with the rotating body under a condition under which a large current flows and rotates at high speed.SOLUTION: A metal graphite brush is composed of a sintered body obtained by molding and then sintering a raw material including 65 to 80 mass% of Cu powder and/or Cu alloy powder with median diameters D50 of 50 μm or less and D95 of less than 75 μm, and 15 to 20 mass% of graphite powder with median diameters D50 of 10 to 80 μm and D95 of less than 175 μm, and has a structure that includes Ti of 1.0 to 6.0 mass% and S of 0.1 to 2.2 mass%, and a lump containing a sulfide of Ti is present inside the sintered body, and/or Ti sulfide is present at the grain boundaries of Cu and/or Cu-containing alloy.SELECTED DRAWING: Figure 1
Patent JP-2021008869-A (JP)
Title: Turbine housing and turbocharger
Inventor: KITAMURA TAKESHI
IPC: F02B37/00
Filed: 2019-07-03
Abstract: To provide a turbine housing which can improve the performance of a turbocharger by improving a static pressure recovery effect of a discharge flow passage, and a turbocharger.SOLUTION: A turbine housing comprises: a scroll flow passage forming part for forming a scroll flow passage; a discharge flow passage forming part for forming a discharge flow passage for discharging an exhaust gas which has passed a turbine wheel; and a bypass flow passage forming part for forming a bypass flow passage for sending the exhaust gas to the discharge flow passage while bypassing the turbine wheel from the scroll flow passage. A valve accommodation space in which a waste gate valve is accommodated is formed in the discharge flow passage forming part, a flow passage wall face of the discharge flow passage forming part includes an inclination part which is inclined so that a distance from an axial line becomes longer as progressing toward an outlet side of the discharge flow passage at least at a part in a peripheral direction, and the inclination face is present in a range which is superimposed on the valve accommodation space in the peripheral direction in a plane view in which the turbine housing is visually confirmed along the axial line.SELECTED DRAWING: Figure 6
Patent JP-2022130752-A (JP)
Title: Method for producing rubisco
Inventor: TOYAMA IKUO
IPC: A61K36/42
Filed: 2019-07-19
Abstract: To provide a method for producing rubisco derived from plant leaves in which rubisco can be obtained from plant leaves in high purity without undergoing hydrolysis, and a method for producing a food product or a pharmaceutical composition using rubisco obtained by the production method.SOLUTION: Provided are a method for producing rubisco derived from plant leaves that includes the following steps (1) to (4): (1) a step of performing heating treatment to plant leaves at 50 to 58°C for 3 minutes to 1 hour; (2) a step of crushing plant leaves obtained in step (1); (3) a step of removing insoluble substance from crushing liquid obtained in step (2); and (4) a step of performing heating treatment to the crushing liquid obtained in step (3) at 60 to 100°C for 5 minutes to 1 hour to recover aggregates, and a method for producing a food product or a pharmaceutical composition containing rubisco, by using rubisco obtained in the production method.SELECTED DRAWING: None
Patent JP-2019198118-A (JP)
Title: Apparatus, system and method of power management in wireless network
Inventor: SOLOMON B TRAININ
IPC: H04W84/12
Filed: 2019-07-24
Abstract: To provide apparatuses, devices, systems and methods of power management in a wireless network.SOLUTION: A wireless station is configured to: transmit a first frame including a first Wakeup Schedule Element (WSE), the first WSE including a first beacon interval (BI) start time field value (402); switch to a Power Save (PS) mode on the basis of the first BI start time field value (404); and, during the PS, transmit a second frame including a second WSE, the second WSE including a second BI start time field value different from the first BI start time field value (406).SELECTED DRAWING: Figure 4
Patent JP-2020028126-A (JP)
Title: Method and apparatus for estimating pathloss of pusch in wireless communication system
Inventor: Lu jia qi
IPC: H04L27/26
Filed: 2019-07-31
Abstract: To provide methods and apparatuses for estimating pathloss of PUSCH in a wireless communication system.SOLUTION: UE receives a first configuration of a first serving cell and a second serving cell, the second serving cell being a pathloss reference for the first serving cell. The UE receives a second configuration of multiple downlink bandwidth parts of the second serving cell, one downlink bandwidth part among the multiple downlink bandwidth parts being an active downlink bandwidth part. The UE estimates (or derives) a pathloss for an uplink transmission in an uplink bandwidth part of the first serving cell, based on a reference signal in the downlink bandwidth part.SELECTED DRAWING: Figure 11
Patent JP-2020053961-A (JP)
Title: Improved detector circuit for rfid device
Inventor: ROBERT R ROTZOLL
IPC: H04B1/18
Filed: 2019-07-31
Abstract: To alleviate problems caused by temperature dependence of a detector circuit implemented in a receiver module of an RFID device.SOLUTION: The present invention relates to a detector circuit (10) being part of an RFID-device, and comprising: a bias current generator circuit (20) configured to generate an output bias current that is proportional to the square of a temperature-dependent input current; and first and second FET-devices. At least one of the first and second FET-devices is biased by means of the output bias current of the bias current generator circuit (20), so that it operates in a sub-threshold region. An incoming RF-signal is coupled to at least one of the first and second FET-devices. The detector circuit further comprises: a current source (18) for generating a variable threshold current; and a comparator (19) for determining, on the basis of the variable threshold current and the incoming RF-signal, whether the value of the incoming RF-signal exceeds a threshold value.SELECTED DRAWING: Figure 1
Patent JP-2019216448-A (JP)
Title: Mobile communication method
Inventor: URABAYASHI HIROYUKI
IPC: H04W92/10
Filed: 2019-08-01
Abstract: To provide a method for performing predetermined communication between a base station and a second user terminal by using a narrow band of a second bandwidth narrower than a first bandwidth supportable by a first user terminal in one unit time.SOLUTION: A base station (eNB 200) transmits narrow band allocation information for allocating two or more narrow bands to a second user terminal (UE 100) as allocation information of narrow bands used for predetermined communication (S13). The second user terminal performs the predetermined communication based on the narrow band allocation information (S14). The two or more narrow bands are provided within a bandwidth supportable by the second user terminal.SELECTED DRAWING: Figure 14
Patent JP-2021032272-A (JP)
Title: Rolling bearing device
Inventor: KAMIYA TORU
IPC: F16N11/00
Filed: 2019-08-20
Abstract: To prevent oil from leaking to the outside and suppress increase in agitation resistance of oil in bearing rotation, in a rolling bearing device.SOLUTION: A rolling bearing device 10 comprises: an inward member 14 having a raceway on an outer periphery; an outward member 12 having a raceway on an inner periphery; a plurality of rolling elements 16 interposed between the inward member 14 and the outward member 12 and rolling on the raceway; a first oil supply unit 50 that is provided on one side in an axial direction with respect to the rolling element 16 in one of raceway members of the outward member 12 and the inward member 14, and has a first holding member 51 capable of permeating and exuding oil contained in a semi-solid lubricant; and a second oil supply unit 80 that is provided on the other side in the axial direction with respect to the rolling element 16 in one of the raceway members of the outward member 12 and the inward member 14, and has a second holding member 81 capable of permeating and exuding the oil contained in the semi-solid lubricant.SELECTED DRAWING: Figure 2
Patent JP-2019197602-A (JP)
Title: Storage management device and storage management program
Inventor: YAMAGUCHI AKIO
IPC: G06F11/14
Filed: 2019-08-27
Abstract: To provide a storage management device capable of performing copying relating to a copy instruction under processing with a newly activated storage device 3 by using a correct logical unit number (LUN) when a failover occurs.SOLUTION: When a storage device 3 gets failed, a backup section 10 instructs to copy to an operation volume of which processing is not relayed by another storage unit 3 by specifying LUNs of a copy source and a copy destination. Then, when receiving copy processing on the operation volume, a copy processing section 31 of the storage unit 3 executes the copy processing by using the specified LUNs of the copy source and the copy destination. Then, when an error occurs with the copy processing which is not relayed by another storage unit 3 due to occurrence of a failover, the backup section 10 acquires two volumes of a copy pair and LUNs of the volume constituting a cluster pair, respectively. Then, the backup section 10 executes again the copy processing by using the acquired LUNs.SELECTED DRAWING: Figure 9
Patent JP-2021034316-A (JP)
Title: Display device
Inventor: JINNAI TAKESHI
IPC: F21S2/00
Filed: 2019-08-28
Abstract: To control a failure such as a ground fault from occurring in a display device and improve efficiency of assembly work of the display device.SOLUTION: A display device includes: a housing 1; a display panel part fitted to the housing 1; a light source part for emitting light to be incident upon the display panel part; a power supply block 4 for supplying power for lighting the light source part; and a wiring board 5 provided with a wiring pattern 52 for electrically connecting the power supply block 4 to the light source part. The power supply block 4 and the wiring board 5 are arranged in parallel inside the housing 1.SELECTED DRAWING: Figure 4
Patent JP-2021029869-A (JP)
Title: Non-magnetic blazer for induction heating cooker and its manufacturing method
Inventor: OKANO TERUO
IPC: A47J27/00
Filed: 2019-08-13
Abstract: To provide a non-magnetic blazer for an induction heating cooker in which its handling is simple, safe and lightweight, short time heating is possible, and magnetization is made by giving metal spray, and also heat insulation is intended, and provide its manufacturing method.SOLUTION: Heat resistance resin such as silicone resin 2 is applied to a high table 1e of a non-magnetic blazer 1 for an induction heating cooker. Furthermore, metal spraying such as alumina for magnetization 3 is made from the above. and thereby a non-magnetic blazer corresponding to the induction heating cooker in which fluorinated carbon resin coating is highly required as a protective film 5 is provided. According to the necessary purpose, the thermo-ink of 5 in which security verification is made in visualization can be given, and the heat resistance ceramic painting of 4 can be given for caloric securement of heat keeping temperature maintenance. In the non-magnetic blazer for the induction heating cooker, only a plate bottom being a heat generating part is warmed and becomes a high temperature because of the heating from several seconds to 30 seconds. However, the warming is not made in the grasp parts 1b, 1c, 1f of the non-magnetic blazer, and the grasp is made at a normal temperature, and therefore the handling and table setting are made safely.SELECTED DRAWING: Figure 1
Patent JP-2021033944-A (JP)
Title: Communication device, communication method and program
Inventor: WATANABE TAKESHI
IPC: G08G1/09
Filed: 2019-08-29
Abstract: To provide a communication device capable of visually and easily grasping from which vehicle around an own vehicle communication information is transmitted.SOLUTION: A communication information receiving unit 110 receives communication information transmitted by a communication vehicle around an own vehicle. A communication vehicle identification unit 120 uses the communication information to identify the communication vehicle that has transmitted the communication information. A symbol acquisition unit 130 acquires a communication vehicle symbol. A display size determination unit 140 determines a display size of the communication vehicle symbol according to a distance between vehicles. A display control unit 150 displays the communication vehicle symbol on a screen of a display device 6 with the display size determined by the display size determination unit 140.SELECTED DRAWING: Figure 3
Patent JP-2021036007-A (JP)
Title: Method for producing synthetic rubber
Inventor: KAWANAKA TAKAFUMI
IPC: B26D5/00
Filed: 2019-08-30
Abstract: To realize a method for producing a synthetic rubber capable of improving an extrusion amount of an extrusion dryer and improving productivity of synthetic rubber.SOLUTION: There is provided a method for producing a synthetic rubber using an extrusion dryer that heats a crumb after compression/dehydration with a twin-screw screw to evaporate residual water and extrudes it. In each screw 59, a reverse feed screw 161 and a kneading disk 162 are arranged in the intermediate section 153 between a drain port for compressing and dehydrating a barrel and a vent port for evaporating residual moisture. Screw elements having different lead angles from an upstream end side and a downstream end side are arranged in the dehydration section 152 adjacent to the upstream side of the intermediate section 153 such that a transport speed is lower than that in transport sections 151 and 154 which are before and after both sections 152 and 153. At the time of performing a compression dehydration, the transport speed in the dehydration section 152 is reduced with respect to the screw transport sections 151 and 154 before and after compression dehydration according to the difference of lead angles between the screw elements.SELECTED DRAWING: Figure 4
Patent JP-2020038968-A (JP)
Title: Method for manufacturing semiconductor stacked structure and semiconductor stacked structure
Inventor: HASHIMOTO AKIHIRO
IPC: C23C16/01
Filed: 2019-08-30
Abstract: To provide a semiconductor stacked structure and a method for manufacturing the semiconductor stacked structure that form a semiconductor layer having a low dislocation density compared with a prior art.SOLUTION: A method for manufacturing a semiconductor stacked structure includes: a step in which a single domain seed layer 2 is stacked on a substrate 1 at a critical film thickness or less; a step in which the substrate 1 on which the seed layer 2 is stacked is heat-treated and a sacrificial layer 31 is formed on a boundary surface with the seed layer 2, and coupling of the seed layer 2 with the substrate 1 is determined as a coupling achieved by applying mainly an intermolecular force to determine the seed layer 2 as a sacrificial seed layer 30; and a step in which a semiconductor crystal layer 4 of a single element or a compound is grown on the sacrificial seed layer 30.SELECTED DRAWING: Figure 3
Patent JP-2021036107-A (JP)
Title: Construction machine
Inventor: SAKO TOSHIHIRO
IPC: B60H1/32
Filed: 2019-08-30
Abstract: To extend lives of an oil liquid and a seal member provided on a compressor.SOLUTION: A compressor 16 having an input shaft 17A projecting parallel to an output shaft 9A of an engine 9 has a fitting surface 18A of an upper side fitting part 18 and a fitting surface 19A of a lower side fitting part 19 that are positioned in the periphery of the input shaft 17A of a compressor body 17. A composite bracket 24 as a bracket for fixing the compressor 16 fit to the engine 9 includes an engine fitting part 25 fit to the engine 9, and a compressor fitting part 27 fit to the fitting surfaces 18A and 19A of the compressor 16. On the compressor fitting part 27, an air guide part 33 for guiding cooling air from a cooling fan 15 to the upper part of the compressor 16 is provided.SELECTED DRAWING: Figure 3
Patent JP-2021036998-A (JP)
Title: Pinball game machine
Inventor: ONO HIDEKI
IPC: A63F7/02
Filed: 2019-08-31
Abstract: To appropriately arrange an apex of a center case in a relation with a shooting strength against an angle of rotation of a shooting handle in a pinball game machine.SOLUTION: When a range from position θ0 of zero angle of rotation of a shooting handle to angle of rotation position θ2 where a game ball reaches an apex 201 of a center case is range A1 and a range from position θ0 of zero angle of rotation of the shooting handle to angle of rotation position θB corresponding to 50% of the maximum operable range (θ0 to θMAX) where the shooting handle can be rotated and operated is range B1, the apex of the center case is arranged so that there is a relation range A1>range B1.SELECTED DRAWING: Figure 10
Patent JP-2021042313-A (JP)
Title: Adhesive sheet
Inventor: YOSHIKI TAKENOBU
IPC: C09J133/00
Filed: 2019-09-11
Abstract: To provide an adhesive sheet having heat resistance sufficient to withstand a solder reflow process and excellent in re-peelability.SOLUTION: This invention relates to an adhesive sheet that uses a polyamide film as a support, and has an adhesive layer at least containing an acryl adhesive and an amine antioxidant on the support. Particularly, this invention relates to an adhesive sheet that can be used as a process film with re-peelability to be used for the production of electronics industrial materials such as printed wiring boards.SELECTED DRAWING: None
Patent JP-2021040978-A (JP)
Title: Cord lock
Inventor: BOKU NORINAGA
IPC: A44B11/26
Filed: 2019-09-11
Abstract: To provide a cord lock which can perform an operation in a string-fastened state by gripping any portion of the cord lock.SOLUTION: A cord lock is composed of a cord lock main body 7, and a case 11 for accommodating the cord lock main body. The cord lock main body 7 releases fastening of a string 2 by a pull operation for reducing an intrusion amount of a part of a male member 9 into an insertion path. The case 11 is formed into a cylindrical shape with both ends as passage ports 11a of the string 2, combined to the cord lock main body 7 side, and is reciprocally movable along its cylinder axial direction y. At front-forwarding of the case 11, a first abutment part of the case 11 abuts on an abutted part of a female member 8, and pull operation is performed, and at back-forwarding of the case 11, a second abutment part of the case 11 abuts on an abutted part of the male member 9, and pull operation is performed.SELECTED DRAWING: Figure 12
Patent JP-2020025892-A (JP)
Title: Game machine
Inventor: TSUCHIYA YOSHITAKA
IPC: A63F7/02
Filed: 2019-09-15
Abstract: To increase game amusement.SOLUTION: A game machine includes display means capable of displaying a plurality of types of images, wherein one of the plurality of types of images is a decorative symbol, and one of the plurality of types of images is a specific image. The game machine can execute a first performance in which a specific image is displayed on the front side of the decorative symbol, and a second performance in which a specific image is displayed on the rear side of the decorative symbol, after the first performance.SELECTED DRAWING: Figure 68
Patent JP-2021048170-A (JP)
Title: Electronic apparatus
Inventor: SUZUKI KENJI
IPC: G06F1/16
Filed: 2019-09-17
Abstract: To provide an electronic apparatus capable of suppressing an increase of the kinds of male screw members.SOLUTION: An electronic apparatus comprises: a support member; a male screw member; a first component; and a female screw. The support member has a first surface directing to a first direction and a second surface directing to the first direction. The male screw member includes: a head part that is positioned at a first direction side of the first and second surfaces, and is positioned with a gap from the first and second surfaces; and a shaft part extended to a direction opposite to the first direction from the head part. The first component is interposed between the head part and the first surface. The female screw is coupled with the shaft part, and fixes the male screw member to the support member. The first and second surfaces are located at different positions in terms of the position in the first direction and the position around the shaft part.SELECTED DRAWING: Figure 5