baber/WOPTO huggingface dataset:
Patent JP-2018055785-A (JP)
Title: Lighting equipment and lighting apparatus
Inventor: ITAMI KAZUAKI
IPC: H05B37/02
Filed: 2016-09-26
Abstract: PROBLEM TO BE SOLVED: To provide lighting equipment which makes a luminous color unlikely to be changed by a current value supplied to a light-emitting diode or a duty cycle of PWM control, and a lighting apparatus.SOLUTION: Lighting equipment comprises: a power conversion part which supplies a current and turns on a light-emitting element; a switch for making intermittent the current that flows to the light-emitting element; and a dimming control part which generates a PWM signal based on a dimming signal for setting lightness of the light-emitting element, and makes the switch intermittent in accordance with the PWM signal. The PWM signal includes an ON period in which the current is made flow, and an OFF period in which the current is cut off. The ON period and the OFF period are set in such a manner that a light emission wavelength of the light-emitting element is fixed for each level of the set lightness of the light-emitting element.SELECTED DRAWING: Figure 1
Patent JP-2018054767-A (JP)
Title: Electronic musical instrument, its sound production control method, and program
Inventor: HANDA TETSUYA
IPC: G10H1/24
Filed: 2016-09-28
Abstract: PROBLEM TO BE SOLVED: To provide an electronic music instrument that enables a player to easily find out a mistake in musical performance being presented, without stopping the musical performance.SOLUTION: An electronic musical instrument comprises: a plurality of keyboards; a pressed-key detecting section that detects a pressed key of the keyboards; and a control section that exerts control according to a pressed key of the keyboards. In a case where a keyboard 11 including a pressed key detected by the pressed-key detecting section and a first timing t1 coincide with a keyboard 12 to be pressed by a player on the basis of music data 30 and a second timing T2 of pressing the key, the control section exerts control such that a sound production process is performed using a first tone A corresponding to the keyboard 11 including a detected pressed key. In a case where one of the keyboard 11 including the pressed key detected by the pressed-key detecting section and the first timing t1 does not coincide with the keyboard 12 to be pressed by the player on the basis of the music data 30 and the second timing T2 of pressing the key, the control section exerts control such that the sound production process is performed using a second tone B different from the first tone A corresponding to the keyboard 11 including the detected pressed key.SELECTED DRAWING: Figure 4
Patent JP-2018055404-A (JP)
Title: Mass-flow controller
Inventor: MOMOSE OSAMU
IPC: G05D7/06
Filed: 2016-09-29
Abstract: PROBLEM TO BE SOLVED: To cope with a proportional valve having a large orifice diameter, while hindering fluctuation of gas flow rate.SOLUTION: On the basis of an extended control voltage range WL set by extending a reference control voltage range WS, a control circuit 11 outputs an extended control voltage VL corresponding to an amount of operation. A control voltage conversion circuit 12 converts the extended control voltage VL from the control circuit 11 into a voltage corresponding to the reference control voltage range WS from the extended control voltage range WL of the extended control voltage VL, and then outputs an obtained reference control voltage VS. A voltage current conversion circuit 13 converts the reference control voltage VS from the control voltage conversion circuit 12 into a current, and applies an obtained drive current IL to a solenoid L of a proportional valve 20, thereby adjusting a gas flow rate Q.SELECTED DRAWING: Figure 1
Patent JP-2018056928-A (JP)
Title: Authentication server, terminal device, system, authentication method, and program
Inventor: ISOHARA TAKAMASA
IPC: H04L9/32
Filed: 2016-09-30
Abstract: PROBLEM TO BE SOLVED: To detect a transaction content having been altered by a MitB attack embedding a malicious program into a browser or application used for on-line banking.SOLUTION: An authentication server comprises: an authentication section for authenticating a user; a reception section for receiving information showing a predetermined instruction input by a user whose authentication is successfully performed by the authentication section; a request section for requesting the user to confirm the predetermined instruction, on the basis of the information showing the predetermined instruction received by the reception section; a processing section for performing processing according to the predetermined instruction on the basis of a response created by a storage section of a terminal device in response to the confirmation of the predetermined instruction requested by the request section; and a communication section that, in the request section requesting the confirmation of the predetermined instruction, transmits information for requesting the confirmation of the predetermined instruction to the terminal device and receives a response to the information for requesting the confirmation of the predetermined instruction, the response being transmitted by the terminal device.SELECTED DRAWING: Figure 1
Patent JP-2018059149-A (JP)
Title: Low alloy high strength seamless steel pipe for oil well
Inventor: SHIRASAKI KIMITO
IPC: C22C38/32
Filed: 2016-10-05
Abstract: PROBLEM TO BE SOLVED: To provide a low alloy high strength seamless steel pipe for oil well suitable for oil well, and excellent in low temperature toughness, especially impact absorption energy under a condition of -20°C or less.SOLUTION: A component composition contains, by mass%, C:0.15 to 0.50%, Si:0.8% or less, Mn:0.3 to 1.0%, P:0.012% or less, S:0.0050% or less, Al:0.01 to 0.10%, N:0.01% or less, Cr:0.1 to 1.7%, Mo:0.2 to 2.0%, V:0.10% or less, Nb:0.01 to 0.08%, Ti:0.04% or less, B:0.0005 to 0.0030%, Cu:0.03 to 0.07%, Co:0.01 to 0.06%, Ca:0.0001 to 0.0050% and the balance iron with inevitable impurities.SELECTED DRAWING: None
Patent JP-2018060923-A (JP)
Title: Semiconductor device and semiconductor device manufacturing method
Inventor: UCHIUMI MAKOTO
IPC: H01L21/336
Filed: 2016-10-05
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device which can be simply manufactured and maintain breakdown voltage and can be set at a predetermined gate threshold voltage; and provide a manufacturing method of the semiconductor device.SOLUTION: A semiconductor device comprises: a silicon carbide substrate 10 obtained by epitaxially growing silicon carbide layers 21-23 sequentially on an ntype starting substrate 1; a MOS gate provided on a surface side of the silicon carbide substrate 10; a ptype silicon carbide layer 22 is a plurality of ptype high-concentration base regions 3 separated by a trench 24; a p type silicon carbide layer 23 which covers the ptype silicon carbide layer 22 and is embedded inside the trench 24 and is a p type base region 4; and a gate trench 7 which pierces am ntype source region 5 and the p type base region 4 inside the trench 24 from the substrate surface to reach an ntype drift region 2. Between the ptype high-concentration base region 3 and a gate insulation film 8 on a sidewall of the gate trench 7, the p type base region 4 embedded inside the trench 24 exists.SELECTED DRAWING: Figure 1
Patent JP-2018059592-A (JP)
Title: Hydrostatic bearing particle reduction
Inventor: MAEDA TOSHIHIRO
IPC: F16C32/06
Filed: 2016-10-07
Abstract: PROBLEM TO BE SOLVED: To provide a hydrostatic bearing that can prevent particles from scattering around a device.SOLUTION: A hydrostatic bearing includes a collecting plate for capturing particles at an end surface of a movable member of the hydrostatic bearing. The collecting plate extends from the end surface of the movable member and includes: a first plate having a surface parallel to a guide surface of a stationary member; and a second plate having a surface substantially perpendicular toward the guide surface of the stationary member from the first plate.SELECTED DRAWING: Figure 2
Patent JP-2018059469-A (JP)
Title: Self-priming pump
Inventor: YAGYU SATOSHI
IPC: F04D9/02
Filed: 2016-10-07
Abstract: PROBLEM TO BE SOLVED: To provide a self-priming pump capable of shortening a self-priming time by enhancing discharge efficiency for air in a liquid without using any complicated structure.SOLUTION: The present invention relates to a self-priming pump comprising a casing having an inlet and an outlet for liquid, an impeller installed in the casing, and a drive part for driving and rotating the impeller. The casing comprises a front-side casing defining a suction-side chamber and a rear-side casing defining a discharge-side chamber. The rear-side casing comprises a rear-side impeller casing and a rear-side discharge casing, and the rear-side impeller casing is provided with a discharge hole for taking a fluid in. The impeller has a blade part which extends radially from a base part as the center to take the fluid to a rotation-directional side, and an outer peripheral wall coupling the blade part to form an opening part with the base part, and a partition part is provided which partitions the discharge-side chamber.SELECTED DRAWING: Figure 1
Patent JP-2018067986-A (JP)
Title: Switching power supply device
Inventor: TAMURA YUTAKA
IPC: H02M1/15
Filed: 2016-10-17
Abstract: PROBLEM TO BE SOLVED: To provide a switching power supply device capable of reducing fluctuation in an output voltage of a power factor improvement converter and also stabilizing an oscillation state when an output current is increased/decreased.SOLUTION: A switching power supply device comprises an error amplifier circuit 22 which outputs a control signal Vs obtained by amplifying a difference between a first output voltage signal Vos of a power factor improvement converter 16 and a reference value Vrs. The switching power supply device also comprises a correction circuit 24 which corrects the control signal Vs by applying a current bias to the output of the error amplifier circuit 22. When the first output voltage signal Vos is reduced and the difference between the first output voltage signal Vos and a reference value Vr1 becomes greater than a first threshold Va1, the correction circuit 24 forcibly changes the control signal Vs in a direction of having the first output voltage signal Vos rise by applying a current bias to the output of the error amplifier circuit 22. When the difference between the first output voltage Vos and the reference value Vrs then becomes smaller than a second threshold Va2, the application of the current bias is stopped and from the stop to the lapse of a mask time Tam, such a stop state is maintained.SELECTED DRAWING: Figure 1
Patent JP-2018066392-A (JP)
Title: Gas leakage repair method and gas leakage repair tool
Inventor: SEMOTO TAKAHIRO
IPC: F16L55/178
Filed: 2016-10-17
Abstract: PROBLEM TO BE SOLVED: To provide a gas leakage repair method and a gas leakage repair tool capable of providing a highly reliable repair method without the gas leakage recurrence by certainly repairing the gas leak point in the junction of two pipe members.SOLUTION: A gas leakage repair method comprises: winding a gas conduction band 110 around the outer peripheral side of a junction; after fixing a gas vent plug 210 in a state in which one end of a tubular part 212 is opposed to a gas leak point through the gas conduction band 110; eliminating a gas discharge port 212a provided at the other end of the tubular part 212; sealing the junction together with the gas conduction band 110 and the gas vent plug 210 using a first sealing material 1201; after curing the first sealing material 1201, encapsulating the gas discharge port 212a using a gas vent plug 220; and by sealing the gas vent plug 220 and the first sealing material 1201 using a second sealing material, repairing the gas leak point in the junction of two pipe members 402.SELECTED DRAWING: Figure 14
Patent JP-2018068346-A (JP)
Title: Game machine
Inventor: FUJIWARA YOSHIHIRO
IPC: A63F7/02
Filed: 2016-10-24
Abstract: PROBLEM TO BE SOLVED: To suppress the interest reduction of a game will and a game.SOLUTION: When a bonanza is hit, a big role game is executed, and any of game states of different game advancing conditions is set after a big roll game play. A performance mode is set in accordance with a game state being set. In the case where a shift is made from an ordinary time-shortening state to a penalty state, the performance mode is set in a special mode, and in the case where a shift is made from a game state other than the ordinary time-shortening state to the penalty state, the performance mode is set in a penalty mode.SELECTED DRAWING: Figure 49
Patent JP-2017078172-A (JP)
Title: Styrene-based resin composition for optical use
Inventor: NISHINO KOHEI
IPC: C08K5/00
Filed: 2016-10-31
Abstract: PROBLEM TO BE SOLVED: To provide a transparent styrene-based resin composition for optical use, which minimizes drawbacks of a styrene resin such as a problem of clouding (bleaching) in a molded article due to environmental changes such as temperature, humidity, and immersion in warm water.SOLUTION: The styrene-based resin composition for optical use comprises a styrene-based resin having a weight average molecular weight of 150000 to 700000 and a hydrophilic additive. The hydrophilic additive is at least one compound selected from among polyoxyethylene surfactants having an average added mole number of ethylene oxide of 3 to 150 and polyethylene glycols having an average molecular weight of 200 to 10000, and has an HLB value of 5 to 20. The hydrophilic additive is included by 0.4 to 2.0 mass% in 100 mass% of the above styrene-based resin composition.SELECTED DRAWING: None
Patent JP-2017038082-A (JP)
Title: Ink nozzle and ink jet printer head with the same
Inventor: NAGAHATA TAKANARI
IPC: H01L27/04
Filed: 2016-11-04
Abstract: PROBLEM TO BE SOLVED: To provide a silicon device having a structure which suppresses or prevents metal atoms in a ferroelectric layer from diffusing in a silicon layer and achieves downsizing and improvement of characteristics.SOLUTION: An ink jet printer head 1 being a silicon device includes: a silicon substrate 2; a silicon oxide layer 5B formed on the silicon substrate 2; a diffusion prevention film 70 formed on the silicon oxide layer 5B; and a piezoelectric element 6 provided on the diffusion prevention film 70. A compression chamber 62 serving as an ink accumulation part is formed on the silicon substrate 2, and a thin silicon layer 5A and the silicon oxide layer 5B, located on a top plate part of the compression chamber, form a vibration film 5. The piezoelectric element 6 includes: a lower electrode 7 contacting with the diffusion prevention film 70; a piezoelectric layer 8 provided on the lower electrode 7; and an upper electrode 9 provided on the piezoelectric layer 8. The diffusion prevention film 70 prevents diffusion of metal atoms in the piezoelectric layer 8.SELECTED DRAWING: Figure 1
Patent JP-2017186507-A (JP)
Title: Binder resin for inorganic fine particle dispersion paste composition, and inorganic fine particle dispersion paste composition
Inventor: KATAOKA KOTARO
IPC: C08F220/26
Filed: 2016-11-08
Abstract: PROBLEM TO BE SOLVED: To provide a binder resin for inorganic fine particle dispersion paste composition excellent in thermal decomposability, shape retention after printing, and coming-off properties from a printing plate when printed, and to provide an inorganic fine particle dispersion paste composition.SOLUTION: There are provided a binder resin for inorganic fine particle dispersion paste composition which contains a (meth)acrylic polymer including a structural unit derived from a monomer having a polyalkylene glycol chain, where a content of the polyalkylene glycol chain in the (meth)acrylic polymer is 1 mol% or more and 15 mol% or less, a weight average molecular weight of the (meth)acrylic polymer is 200,000 or more and 900,000 or less, and molecular weight distribution represented by a ratio of the weight average molecular weight to the number average molecular weight of the (meth)acrylic polymer is 7 or less; and an inorganic fine particle dispersion paste composition containing the binder resin for inorganic fine particle dispersion paste composition.SELECTED DRAWING: None
Patent JP-2018075780-A (JP)
Title: Hard-cover binding book and method of manufacturing the same
Inventor: YAMAGUCHI MITSUNORI
IPC: B42D1/02
Filed: 2016-11-10
Abstract: PROBLEM TO BE SOLVED: To provide a hard-cover binding book which prevents waviness occurrence in a text even when water-soluble paste is used for an adhesive layer in binding the text and a cover body through an end-leaf.SOLUTION: A hard-cover binding book 10 comprises a text 20, an end-leaf body 30, and a cover body 40. The text 20 has pieces of paper. The end-leaf body 30 includes a front part 31 and a back part 32. A waterproof layer 33 is formed on outer surfaces of the front part 31 and the back part 32. The end-leaf body 30 is fixed to the text 20. The cover body 40 includes a front cover 41 and a back cover 42. The cover 40 is pasted together with the end-leaf body 30 through an adhesive layer 34 such that an inner surface of the front cover 41 is disposed on the waterproof layer 33 of the front part 31 and an inner surface of the back cover 42 is disposed on the waterproof layer 33 of the back part 32.SELECTED DRAWING: Figure 1
Patent JP-2018080010-A (JP)
Title: Extendable belt conveyor
Inventor: UEDA AKIRO
IPC: E21D9/12
Filed: 2016-11-15
Abstract: PROBLEM TO BE SOLVED: To provide an extendable belt conveyor that can be considerably extended and contracted with simple structure, results in allowing for improvement in efficiency of drilling work.SOLUTION: The extendable belt conveyor comprises an extendable frame 1 constituted of continuous side frame bodies 11 of a pantograph mechanism and an endless conveyor belt 2. Each of the side frame bodies 11 is constituted in such a way that crossing links 12 are connected with rotary shafts 13 and 14, rotary shafts 14 at one side connecting the end parts of the links 12 are supported at a prescribed height on leg pillars 15 comprising wheels 15a at lower parts thereof or guide members 16 not coming in contact with ground, and the rotary shafts 14 at the other side are fitted into slide grooves 17 of the leg pillars 15 or the guide members 16. Carrier beds 24 are mounted on upper parts of the leg pillars 15 and the guide members 16, and storage parts 25 are provided. A return side of the conveyor belt 2 is wound around return rollers 26 of the rotary shafts 13 and 14 as if sewed thereon and supported, and follows squeezing motion or opening motion of the links 12.SELECTED DRAWING: Figure 1
Patent JP-2018079134-A (JP)
Title: Cleaning support device, cleaning support method, and cleaning support system
Inventor: OSAWA NANAHO
IPC: A47L9/28
Filed: 2016-11-17
Abstract: PROBLEM TO BE SOLVED: To provide a cleaning support device capable of presenting a cleaned area in a cleaning target area by association with a cleaning target area without mounting a head-mounted display.SOLUTION: A cleaning support device includes: a position detection section for detecting a position of a head part of a cleaner with respect to a cleaning target area; an area discrimination section for discriminating an area cleaned by the cleaner within a cleaning target area on the basis of a position of the head part detected by the position detection section; and a projection image generation section for generating a projection image to be projected on a cleaning target area on the basis of a cleaned area determined by the area discrimination section.SELECTED DRAWING: Figure 2
Patent JP-2018084605-A (JP)
Title: Image projection device
Inventor: OKI TAKASHI
IPC: G09G5/377
Filed: 2016-11-21
Abstract: PROBLEM TO BE SOLVED: To provide an image projection device capable of displaying, on an external display device, a partial image at a place indicated by indication means in an image projected on a projection surface.SOLUTION: An image projection device includes: an image signal input unit; a first generation unit for generating an image to be projected on a projection surface according to an image signal input into the image signal input unit; an acquisition unit for acquiring positional information at a place designated by indication means regarding the image projected on the projection surface; a second generation unit for generating a partial image at a place designated according to output from the acquisition unit; and a transmission unit for transmitting an image generated by the second generation unit to an external display device with a display surface different from the projection surface.SELECTED DRAWING: Figure 1
Patent JP-2018084638-A (JP)
Title: Optical waveguide
Inventor: HIYAMA SHUN
IPC: G02B6/42
Filed: 2016-11-22
Abstract: PROBLEM TO BE SOLVED: To provide an optical waveguide capable of optically coupling an optical waveguide to an optical element or an optical fiber with high efficiency.SOLUTION: An optical waveguide 12 comprises: a lens 1 on one surface of a substrate 9; and an optical waveguide having a bulk part 6, a core 3, and claddings 4 and 5 on the other surface thereof, and has a mirror 13 provided on the bulk part, below the lens. A thickness of the mirror in a direction normal to the substrate is thicker than a thickness of the core.SELECTED DRAWING: Figure 1
Patent JP-2018085439-A (JP)
Title: Load drive controller
Inventor: KATO TOMOHITO
IPC: H01F7/18
Filed: 2016-11-24
Abstract: PROBLEM TO BE SOLVED: To suppress processing load of dither generation in an actuator of a linear solenoid or the like.SOLUTION: A controller 10 includes a target current control unit 12, a dither control unit 13, an output duty generation unit 14 and a PWM pulse conversion unit 15. The dither control unit 13 generates a dither duty giving dither of a predetermined dither period to a target current duty of the load. The target current control unit 12 calculates an average of feedback currents from the load for each predetermined feedback period and generates a target current duty on the basis of the average value. The output duty generation unit 14 generates an output duty formed by adding a dither duty generated by the dither control unit 13 to the target current duty generated by the target current control unit 12. The PWM pulse conversion unit 15 converts the output duty generated by the output duty generation unit 14 into a PWM (Pulse Width Modulation) pulse.SELECTED DRAWING: Figure 1
Patent JP-2018082898-A (JP)
Title: Game system
Inventor: KINOSHITA MASAYA
IPC: A63F13/79
Filed: 2016-11-24
Abstract: PROBLEM TO BE SOLVED: To provide a game system in which play is possible with button setting corresponding to a player even when playing with different game machines.SOLUTION: A button processing part 57a of a server 50 reads from a play history storage part 56a game machine identification information corresponding to player identification information received from respective game machines 10, past button setting corresponding to the game machine identification information is identified (S6); present button setting corresponding to the game machine identification information received from the respective game machines 10 is identified (S7); information about the past button setting is transmitted to the respective game machines 10 (S9) when both buttons do not match (S8: NO); and play processing parts 27a of the respective game machines 10 perform play processing on the basis of button setting preset to other game machines in place of the button setting preset to the respective game machines 10 (S1).SELECTED DRAWING: Figure 2