baber/WOPTO huggingface dataset:
Patent JP-2018129606-A (JP)
Title: Crystal resonator and crystal oscillator
Inventor: HASEGAWA KAZUNORI
IPC: H03B5/32
Filed: 2017-02-07
Abstract: PROBLEM TO BE SOLVED: To provide a crystal resonator and a crystal oscillator which can realize overtone oscillation with a simple configuration and can achieve high stability without a circuit for suppressing oscillation of a fundamental wave.SOLUTION: A crystal resonator is provided in which a ratio of the length of the long side of an electrode formed on a crystal piece to the length of the long side of the crystal piece is 12/17 or more, and overtone oscillation can be realized with a simple configuration without an LC tank circuit by making the value of equivalent series resistance at the fundamental oscillation larger than the value of the equivalent series resistance at overtone oscillation, and a crystal oscillator is also provided that includes the crystal resonator and an oscillation circuit.SELECTED DRAWING: Figure 1
Patent JP-2018129976-A (JP)
Title: Motor drive device
Inventor: YOSHIDA TOMOKAZU
IPC: H02M7/48
Filed: 2017-02-10
Abstract: PROBLEM TO BE SOLVED: To provide a motor drive device capable of reducing a leakage current of a DC link capacitor.SOLUTION: A motor drive device 1 includes a forward converter 11, an inverse converter 12, a DC link capacitor 13, a voltage detector 14, a first storage section 15 for prestoring a threshold value of a non-energized period where a leakage current of the capacitor 13 increases, and a threshold value of an applied voltage for reducing the leakage current of the capacitor 13, a second storage section 16 for storing a previous energized period of the capacitor 13, and a control section 17. At a start-up of the motor drive device 1, the control section 17 obtains the non-energized period of the capacitor 13 based on the previous energized period recorded in the second storage section 16, and when the non-energized period thus obtained is longer than the threshold value of non-energized period stored in the first storage section 15, regenerative operation from the motor 3 to power supply 2 is stopped, and a voltage of the motor 3 is increased to the threshold value of the applied voltage, stored in the first storage section 15, by deceleration energy of the motor 3.SELECTED DRAWING: Figure 1
Patent JP-2018131807-A (JP)
Title: Formwork, and method for installing formwork
Inventor: KOBORI TOSHIAKI
IPC: E02D5/04
Filed: 2017-02-15
Abstract: PROBLEM TO BE SOLVED: To provide a formwork with which: it is possible to remove a required space for an earth retaining wall by causing the formwork to function as an earth retaining wall; it is also possible to achieve reduction of an excavating amount of earth and to prevent an increase in a construction cost; in addition, it is possible to omit an earth retaining plate used in temporary installation and to reduce time and workloads required for installing and removing the earth retaining plate.SOLUTION: This invention provides a method for installing a formwork 1 in a ground G excavated by excavation fluid W1. The formwork comprises a formwork main body 11, and a guide pipe 12 for guiding an injection rod 21 of a high-pressure injection unit 2 provided along a vertical direction X2 up to the lower end of the formwork main body 11. The method for installing a formwork comprises first excavating the ground G by injection of the excavation fluid W1 below the formwork 1, and inserting the formwork 1 into the excavated part.SELECTED DRAWING: Figure 3
Patent JP-2018132017-A (JP)
Title: Vehicle starter
Inventor: MESAKI TAKASHI
IPC: B60W40/08
Filed: 2017-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a vehicle starter capable of starting a vehicle without making a driver feel troublesomeness of starting operation of a vehicle.SOLUTION: A vehicle starter includes starting determination means 20 for determining whether a prescribed starting condition for starting an engine 4 of a vehicle is established or not, and a starting control section 30 for starting the engine 4 when it is determined by the starting determination means 20 that the starting condition is established. The starting determination means 20 determines that the starting condition is established when start intention to start the engine 4 is detected from movement or a state of a driver before the driver starts the engine of the vehicle.SELECTED DRAWING: Figure 2
Patent JP-2018134587-A (JP)
Title: Microbubble generator
Inventor: ITO MASASHI
IPC: B01F5/00
Filed: 2017-02-21
Abstract: PROBLEM TO BE SOLVED: To provide a microbubble generator capable of effectively generating microbubbles without introducing air from the outside.SOLUTION: A microbubble generator 1 includes a nozzle 6 comprising: a first water passage 8a whose diameter gradually decreases along a flowing direction of tap water fed at tap water pressure; and a second water passage 8b which is disposed so as to communicate with an outlet side of the first water passage 8a, and whose diameter gradually increases along the flowing direction of the tap water. On an inlet side of the first water passage 8a, a water intake hole 11 is formed with its central axis inclined to the axis of a water supply pipe 2 of the tap water, and an uneven surface 11a for generating turbulent flow is formed in the water intake hole 11. Tap water discharged through the water intake hole 11 obliquely abuts against an inner wall of the first water passage 8a, and is discharged to the second water passage 8b while spirally revolving at increased speed. According to this sudden pressure drop, innumerable ultrafine cavitation bubbles are generated.SELECTED DRAWING: Figure 1
Patent JP-2018134313-A (JP)
Title: Game machine
Inventor: KITAZAWA AO
IPC: A63F5/04
Filed: 2017-02-23
Abstract: PROBLEM TO BE SOLVED: To prevent occurrence of a situation where a desired presentation is not performed in a water tank device in which a specific liquid is present in a part of the inside of a container and the liquid surface of the specific liquid fluctuates.SOLUTION: In a water tank device 28, a lower layer liquid 320 is present in a part of the inside of a container 301 and the liquid surface of the lower layer liquid 320 fluctuates. Further, a water supply port 515a is installed in the container 301 so as to be positioned in the lower layer liquid 320 and near the liquid surface. The water tank device 28 includes an upper side pump presentation unit 351 that ejects the lower layer liquid 320 into an upper layer liquid 325 by sending the lower layer liquid 320 from the water supply port 515a to a water discharge port 513a. The upper side pump presentation unit 351 operates to eject the lower layer liquid 320 into the upper layer liquid 325 in a specific presentation. The operation is prohibited within a prescribed time after the end of an upper side pump ejection presentation or a lower side pump ejection presentation, after power activation, or after a front door 5 is closed.SELECTED DRAWING: Figure 18
Patent JP-2017143067-A (JP)
Title: Light-emitting device
Inventor: KOYAMA JUN
IPC: H05B33/00
Filed: 2017-03-01
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive display device and an electric apparatus using the display device.SOLUTION: In a display device comprising a pixel portion and a driver circuit on the same insulator, the driver circuit comprises: a decoder 100 including a plurality of NAND circuits including p-channel TFTs 104 to 106 connected in parallel and p-channel TFTs 107 to 109 connected in series; and a buffer portion 101 including a plurality of buffers including three p-channel TFTs 114 to 116.SELECTED DRAWING: Figure 1
Patent JP-2018148402-A (JP)
Title: Image monitoring device and image monitoring method
Inventor: MISAWA HIROAKI
IPC: G08B25/00
Filed: 2017-03-06
Abstract: PROBLEM TO BE SOLVED: To provide an image monitoring device which reduces a load of watching images by an image monitoring person and is capable of monitoring a wide area without increase in equipment costs.SOLUTION: An image monitoring device 3 comprises: camera image acquisition means 4 which acquires monitor image information; trouble detection means 5 which extracts plural person areas from the monitor image information, acquires the visual line direction of a person with respect to each of the person areas, and discriminates that the visual line directions of plural persons are oriented toward a specific position to detect the occurrence of a notable event; and an output device 10 which reports the occurrence of the notable event.SELECTED DRAWING: Figure 1
Patent JP-2017159899-A (JP)
Title: Network system for autonomous data collection
Inventor: JOUPER JEFFREY A
IPC: B64D25/00
Filed: 2017-03-06
Abstract: PROBLEM TO BE SOLVED: To provide a system for monitoring and reporting an asset inventory examination and status in a vehicle, for example, an aircraft.SOLUTION: A sensor communicates with assets. RFID tags 16, 18, 22 are affixed to the assets and communicates with the assets. The RFID tags contain digitally stored information about the assets. An RFID reader 12 is mounted to a vehicle and positioned such that the RFID tags are within a communication range with the RFID reader. A data delivery system is effective to digitally transmit information from the RFID reader to a data collection system. A secure interface is disposed between the data collection system and a communication system. The communication system is effective to transmit the information to a flight crew, a ground crew, and/or a display.SELECTED DRAWING: Figure 1
Patent JP-2017143278-A (JP)
Title: Liquid crystal display device and manufacturing method of liquid crystal display device
Inventor: YAMAZAKI SHUNPEI
IPC: H01L29/786
Filed: 2017-03-07
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor display device having a touch panel, where power consumption can be reduced.SOLUTION: A semiconductor display device includes: a pixel part; a panel having a driving circuit for controlling input of an image signal to the pixel part; and a touch panel provided at a position overlapped with the panel in the pixel part. The pixel part has a display component for conducting display according to voltage of an input image signal; and a transistor for controlling voltage holding. A channel formation region of the transistor includes an oxide semiconductor. A drive frequency of a driving circuit, that is the number of writing times of the image signal in a fixed period, is changed according to an operation signal input from the touch panel.SELECTED DRAWING: Figure 1
Patent JP-2018144979-A (JP)
Title: Transport direction changing device
Inventor: ITO KAZUO
IPC: B65G47/68
Filed: 2017-03-07
Abstract: PROBLEM TO BE SOLVED: To provide a conveyance direction changing device capable of securing a wide opening width of a connecting portion between a main conveyor line 5 and a sub-conveyor line 6.SOLUTION: A transport direction changing device has a main-side movable guide member 30, a sub-side movable guide member 31, and an intermediate movable guide member 32. The movable guide members 30, 31, 32 can take a forward posture and an inclined posture. When both the sub-movable guide member 31 and the intermediate movable guide member 32 are in the forward attitude, they are aligned substantially in a straight line and a connecting portion 13 connecting the main conveyor line 5 and the sub-conveyor line 6 is sealed. When the movable guide members 30, 31, 32 are in the inclined posture, the movable guide members 30, 32 are aligned substantially in a straight line and are in a posture crossing the main conveyor line 5. When the sub-movable guide member 31 and the intermediate movable guide member 32 are in the inclined posture, the connection portion 13 is opened.SELECTED DRAWING: Figure 2
Patent JP-2018149707-A (JP)
Title: Gravure printing method and packaging material using film manufactured by the method, and nip pressure body having perforation adding member and self-adhesive layer cooperating with the same, used for the method
Inventor: SHIMOMURA KYOICHI
IPC: B41N1/06
Filed: 2017-03-10
Abstract: PROBLEM TO BE SOLVED: To provide a gravure printing method for adding a perforation with a perforation adding member by matching a film printed in a pre-stage with a continuous printed pattern between a perforation adding member with perforation arranged and a nip pressure body with a self adhesive layer arranged on an outer periphery by using a printing unit in a post-stage on which gravure printing is conducted with a gravure printer, the perforation adding member and the nip pressure body, which can be used for the method, and a packaging material using a film to which the perforation is added by the method.SOLUTION: By using a perforation adding member with a perforation blade arranged and a nip pressure body with a self adhesive layer arranged, a perforation process matched with a gravure printed article is made possible in an in-line process by devising height of the perforation blade and a structure of the self adhesive layer.SELECTED DRAWING: Figure 15
Patent JP-2018081296-A (JP)
Title: Windshield glass, head-up display system, and half mirror film
Inventor: ANZAI AKIHIRO
IPC: G02B5/30
Filed: 2017-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a head-up display system that reduces a double image and can display an image having high reflectance and high transmittance, and a windshield glass that has a projection image display portion inconspicuous from the outside under external light as a windshield glass used in the head-up display system.SOLUTION: A windshield glass includes a projection image display portion; the projection image display portion includes a circularly polarized light reflection layer and a λ/2 phase difference layer; the circularly polarized light reflection layer includes four or more layers of cholesteric liquid crystal layers; one layer of the four or more layers of cholesteric liquid crystal layers has the center wavelength of selective reflection in a range of 350 nm or more and less than 490 nm. A head-up display system includes the above-mentioned windshield glass and a projector.SELECTED DRAWING: None
Patent JP-2018155810-A (JP)
Title: Ball joint, electronic apparatus having ball joint
Inventor: TAKAHATA KAZUMA
IPC: G03B15/00
Filed: 2017-03-15
Abstract: PROBLEM TO BE SOLVED: To provide a ball joint capable of limiting rotation of a monitoring camera without changing a load on the monitoring camera, and an electronic apparatus such as the monitoring camera using the ball joint.SOLUTION: An electronics apparatus includes: a body part 110; a joint part 120 for supporting the body part 110 rotatably; and a cable 140 inserted in the body part 110 and the joint part 120. The joint part 120 includes: a cylindrical part 121 having a spherical part 121a and a groove 126, and fixed to the body part 110; a holding part 125 for rotatably holding the spherical part 121a; and an annular part 123 having a protrusion 123a engaged with the groove 126, and arranged along an outer periphery of the cylindrical part 121. Rotation around a first axis of the body part 110 is restricted by the protrusion 123a of the annular part 123 coming into contact with an end part 126a of the groove 126.SELECTED DRAWING: Figure 8
Patent JP-2018155005-A (JP)
Title: Fireproof covering structure for channel steel
Inventor: WATANABE SATOSHI
IPC: E04B1/94
Filed: 2017-03-17
Abstract: PROBLEM TO BE SOLVED: To improve the fireproof performance, in a structure in which a channel steel is covered with fireproof sheets, as well as avoiding damages by making the bends of the fireproof sheet gentle at open ends of the channel steel.SOLUTION: In a structure in which a channel steel 3 constituting a steel frame such as a ceiling beam or a floor beam of a building is covered with a fireproof sheet 5, a backing member 13 projecting outward from an open end of the channel steel 3 is provided in the open end so that the fireproof sheet 5 covers the channel steel 3 to the backing member 13 which projects outward from the open end. In addition, an overlap portion 5a of the fireproof sheet 5 is positioned on the upper surface side of the channel steel 3. Further, a reinforcing glass fiber tape 15 is thermocompression-bonded along the top of a fireproof sheet overlap margin portion 5a. Further, the backing member 13 is formed of a steel plate having a U-shaped cross section.SELECTED DRAWING: Figure 2
Patent JP-2018159598-A (JP)
Title: Speed governor, electronically-controlled mechanical timepiece, and electronic device
Inventor: ISOYA RYOSUKE
IPC: G04C10/00
Filed: 2017-03-22
Abstract: PROBLEM TO BE SOLVED: To provide a speed governor, an electronically-controlled mechanical timepiece, and an electronic device which achieve easy miniaturization and excellent efficiency, while preventing deterioration in accuracy of speed governing.SOLUTION: An electronic speed governor 70 includes: a magnetic viscous fluid 40 provided on a transmission path of rotational movement by a plurality of rotational parts composing a gear train; and a control circuit 62 for changing a rotational frequency of the rotational movement by changing a magnetic field applied to the magnetic viscous fluid 40.SELECTED DRAWING: Figure 3
Patent JP-2018159454-A (JP)
Title: Shaft seal device and rotary machine
Inventor: YOSHIDA AZUMI
IPC: F16J15/3288
Filed: 2017-03-23
Abstract: PROBLEM TO BE SOLVED: To provide a shaft seal device which collects foreign matters at the upstream side of a seal body and reduces influences of the foreign matters on the seal body.SOLUTION: A shaft seal device 1 is provided between a rotor and a stator enclosing the rotor and partitions a space between the rotor and the stator into a high pressure area S2 and a low pressure area in a center axis direction Da of the rotor. The shaft seal device 1 includes: a seal segment 20 fixed to the stator and protruding toward the rotor; and a foreign matter recovery part 50A provided in the high pressure area S2 at the upstream side of the seal segment 20 and formed with a foreign matter recovery space 54 located therein and an introduction hole 51d for introducing foreign matters in the high pressure area S2 into the foreign matter recovery space 54.SELECTED DRAWING: Figure 3
Patent JP-2018162579-A (JP)
Title: Fence and connection member
Inventor: NAKA HIDEKI
IPC: E04G21/32
Filed: 2017-03-24
Abstract: PROBLEM TO BE SOLVED: To provide a fence and a connection member capable of stacking during storage.SOLUTION: The fence 10 comprises a fence body 12 which is assembled in a planar shape, and a leg portion 14 which is rotatably attached to a lower portion of the fence body and is rotationally moved so as to be positioned within the same plane S as the fence body 12 when storing the fence. The fence body 12 comprises a connection member C and a member P to be connected which is inserted into the connection member C from a X direction and a Y direction which connects the connection members C and intersects to each other. The connecting member C comprises a first protruding portion 16 which is provided on one side of the flat surface S and abuts on the adjacent connecting member C of the same shape to restrict the relative movement along the plane of the connecting members when storing the fence, and a second protrusion 18 which is provided on the other side of the plane S and restricts relative movement along the plane of the connection members by abutting on adjacent connecting members C having the same shape when storing the fence.SELECTED DRAWING: Figure 1
Patent JP-2018167692-A (JP)
Title: Work vehicle
Inventor: ISHIKAWA JUNICHI
IPC: B62D15/00
Filed: 2017-03-29
Abstract: To provide a work vehicle which can ride over even on a road surface with many unevenness and travel, prevents excessive force from acting on travelling devices, and desirably allows a vehicle body to be stably supported even if moving up the body.SOLUTION: The work vehicle is provided with a plurality of travelling devices 2 that travel and drive; a plurality of multijoint link mechanisms 10 that have at least two joints and liftably support the plurality of travelling devices 2 individually on a vehicle main body 1; driving mechanisms that can change postures respectively of the plurality of multijoint link mechanisms 10; and a plurality of turning mechanisms 16 that support the plurality of multijoint link mechanisms 10 respectively on the vehicle main body 1 so that directions thereof around a vertical shaft core can be changed.SELECTED DRAWING: Figure 2
Patent JP-2018167358-A (JP)
Title: Holding tool
Inventor: HYODO TAKAYOSHI
IPC: H01L21/304
Filed: 2017-03-30
Abstract: To provide a polishing object holding tool that is less likely to cause a step difference on a surface of a polishing pad when it is pressed against the polishing pad, while preventing removal of reinforcement fiber during polishing with the strength of a frame material maintained.SOLUTION: A target object holding tool 10 used for holding a plate-like target object W to be polished when polishing the object W with a polishing pad is provided. The target object holding tool comprises an annular frame material 16 containing reinforcement fiber and having an opening 16' for housing the target object inside in a state of surrounding the target object during polishing, and a contact prevention ring 20 arranged in the opening so as to check contact of the target object with the annular frame material during polishing. A difference of hardness between a material constituting the annular frame material and a material constituting the contact prevention ring is within 15%.SELECTED DRAWING: Figure 3
Patent JP-2018169016-A (JP)
Title: Seal member and intake control device
Inventor: TANAKA SATOSHI
IPC: F16J15/46
Filed: 2017-03-30
Abstract: To provide a seal member capable of being easily assembled between a valve shaft and a shaft hole to apply high sealability, and an intake control device using the same.SOLUTION: A seal member 1 includes an inner cylindrical portion 3 having a diameter gradual decrease portion 2 in which a diameter is gradually decreased toward one direction, an outer cylindrical portion 5 having a diameter gradual increase portion 4 in which a diameter is gradually increased toward the one direction, and an annular connecting portion 6 connecting the inner cylindrical portion 3 and the outer cylindrical portion 5 at an end portion of a side of an opposite direction to the one direction. The outer cylindrical portion 5 has an extended cylindrical portion 7 in which an outer diameter is gradually decreased toward the one direction. Intake control devices 11, 27 have the seal members (16a, 16c, 33a, 33b) air-tightly sealing between shaft holes 15a, 15b, 31a-31c and valve shafts 8a, 32.SELECTED DRAWING: Figure 1
Patent JP-2018168830-A (JP)
Title: Centrifugal compressor
Inventor: FUKUYAMA RYOSUKE
IPC: F16J15/34
Filed: 2017-03-30
Abstract: To provide a centrifugal compressor which enables oil to efficiently flow into an oil introduction groove.SOLUTION: A mechanical seal 34 included in a centrifugal compressor includes: a cartridge 46 installed at the outer periphery side of a fixed ring 35 in an insertion hole 28; and an annular oil storage part 56 which is defined at the outer periphery side of the fixed ring 35 by the cartridge 46 and a closing part 26 which is a part of a speed-up gear housing. The annular oil storage part 56 has a shape, in which both ends along a rotation axis direction of a high speed side shaft 12 is closed, and stores an oil supplied from a first branch passage 107. The mechanical seal 34 includes a communication passage 47a which is formed in the cartridge 46 so as to allow communication between an oil introduction groove 36b and the annular oil storage part 56.SELECTED DRAWING: Figure 2