baber/WOPTO huggingface dataset:
Patent JP-2018048589-A (JP)
Title: Intake system for internal combustion engine
Inventor: YUASA TAKAO
IPC: F02M25/08
Filed: 2016-09-21
Abstract: PROBLEM TO BE SOLVED: To provide an intake system for an internal combustion engine capable of reducing a difference between concentrations of evaporation fuel in intake air supplied from a surge tank to respective cylinders.SOLUTION: An intake system 10 for an internal combustion engine includes: a surge tank 20; a first intake pipe 30 and a second intake pipe 40 connected to the surge tank 20; and a purge passage 55 having a main passage 56 coupled to a canister 51 for collecting evaporation fuel generated in a fuel tank 200, a first branch passage 57 for connecting the main passage 56 with the first intake pipe 30, and a second branch passage 58 for connecting the main passage 56 with the second intake pipe 40. Check valves 61, 62 for allowing a flow of gas flowing out to the first intake pipe 30 or the second intake pipe 40 and blocking a flow of gas flowing in from the first intake pipe 30 or the second intake pipe 40 are provided in the first branch passage 57 and the second branch passage 58 in the purge passage 55, respectively.SELECTED DRAWING: Figure 1
Patent JP-2017021043-A (JP)
Title: Apparatus and method for reducing transient signal in magnetic field sensor
Inventor: Chen wei hua
IPC: G01R15/20
Filed: 2016-09-26
Abstract: PROBLEM TO BE SOLVED: To provide a magnetic field sensor like a current sensor that does not cause undesired abnormality in an output signal when it is exposed to a rapid change in a magnetic field (or current).SOLUTION: A magnetic field sensor 400 includes an integrated circuit die 300 placed on a base plane 418. An output circuit 310 of the integrated circuit die generates an output signal at a circuit output node 316 in response to a magnetic field signal. The magnetic field sensor includes a circuit loop including an output signal circuit trace 322 of the integrated circuit die. The magnetic field sensor further includes a compensation loop 324 coupled with the circuit loop in series arrangement and having a rotation direction opposite to the circuit loop. As a result, reduced is the overshoot or undershoot of an output signal at a signal output node 412 after compensation brought by the circuit loop having gone through the rapid change of magnetic flux in the magnetic field.SELECTED DRAWING: Figure 8
Patent JP-2018050698-A (JP)
Title: Game machine
Inventor: OKAMURA GEN
IPC: A63F7/02
Filed: 2016-09-26
Abstract: PROBLEM TO BE SOLVED: To provide a game machine capable of favorably improving taste of a game.SOLUTION: A second actuation unit 200 is made open by ball entry in a through winning part 34, so as to allow a game ball to enter. When the game ball enters the second actuation unit 200, reservation information of a second special symbol side is acquired and, when one of a first to third small winning results turns out by win/failure determination processing of the reservation information of the second special symbol side, a distribution winning device 251 is opened. When the game ball entering the distribution winning device 251 is detected by a V-winning detection sensor, an opening/closing execution mode is produced. In a high-frequency support mode, where opening frequency of the second actuation unit 200 is high, if it is a game round corresponding to a first small winning result or a second small winning result, a short period is selected as a continuation period of a game round, and, when it is the game round corresponding to a third small winning result, an intermediate period is selected as the continuation period of the game round.SELECTED DRAWING: Figure 28
Patent JP-2018054376-A (JP)
Title: PM sensor
Inventor: UCHIYAMA TADASHI
IPC: F01N3/00
Filed: 2016-09-27
Abstract: PROBLEM TO BE SOLVED: To propose improvements to the holding means of a heater.SOLUTION: Provided is a PM sensor comprising a case, a sensor unit contained inside the case, and a support member coming in contact with the outer face of the sensor unit and supporting the sensor unit inside the case, wherein the sensor unit includes a porous body arranged in an exhaust gas passage, a pair of electrodes facing each other across the porous body, and a heater for generating heat upon application of electricity, the electric resistance value per unit length of a first portion of the heater that directly faces the support member being made to be smaller than the electric resistance value per unit length of a second portion, other than the first portion, of the heater.SELECTED DRAWING: Figure 2
Patent JP-2017017335-A (JP)
Title: Semiconductor device manufacturing method
Inventor: YAMAZAKI SHUNPEI
IPC: H01L29/786
Filed: 2016-09-28
Abstract: PROBLEM TO BE SOLVED: To improve an opening ratio of a semiconductor device.SOLUTION: A semiconductor device has on the same substrate, a pixel part having a first thin film transistor and a drive circuit having a second thin film transistor, in which the thin film transistor of the pixel part has a gate electrode layer, a gate insulation layer, an oxide semiconductor layer having a region with a thin film thickness on a circumference, an oxide insulation layer which contacts part of the oxide semiconductor layer, a source electrode layer and a drain electrode layer, and a pixel electrode layer; and the gate electrode layer, the gate insulation layer, the oxide semiconductor layer, the source electrode layer, the drain electrode layer, the oxide insulation layer and the pixel electrode layer are translucent; and a source electrode layer and a drain electrode layer of the thin film transistor of the drive circuit are covered with a protective insulation layer and made of a conductive material having lower resistance than a conductive material of the source electrode layer and the drain electrode layer of the pixel part.SELECTED DRAWING: Figure 1
Patent JP-2018057203-A (JP)
Title: DC power converter
Inventor: TANAKA YUYA
IPC: H02M3/155
Filed: 2016-09-30
Abstract: PROBLEM TO BE SOLVED: To provide a DC power converter which can suppress variation of output voltage when reactor current becomes nearly 0A even if a tolerance of inductance value of the reactor or the like is fluctuated.SOLUTION: A DC power converter calculates value of voltage or current on the spot to be measured in a converter part 7, an integral value, a differential value, or a sensing value of an object parameter that is a changing amount. The DC power converter also calculates, on the assumption that current flow of a rectifier 4 is not controlled when turning off a switching element 3, an estimation value of the object parameter. The DC power converter performs estimation control changing on-off duty ratio D1 of the switching element 3 so that the sensing value of the object parameter comes close to the estimation value of the object parameter.SELECTED DRAWING: Figure 1
Patent JP-2018056078-A (JP)
Title: Magnetron
Inventor: KAMIYAMA KENTARO
IPC: H01J23/00
Filed: 2016-09-30
Abstract: PROBLEM TO BE SOLVED: To provide a magnetron in which resonant frequency can be adjusted easily.SOLUTION: A magnetron 100 includes an anode cylinder 11 extending cylindrically along the medial axis 10, and multiple tabular vanes 21, 22 extending from the inner surface of the anode cylinder 11 toward the medial axis 10 while fixing at least one end to the anode cylinder 11. The anode cylinder 11 has a coolant passage 111 for pouring the coolant directly on the tabular vanes 21, 22. The coolant passage 111 is an opening which exposed the end faces 21b, 22b of the tabular vanes 21, 22 (bound end faces of the tabular vanes 21, 22), and can bring the coolant into direct contact with tabular vanes 21, 22.SELECTED DRAWING: Figure 2
Patent JP-2018060706-A (JP)
Title: Fuel cell stack
Inventor: SATO MASAHIKO
IPC: H01M8/24
Filed: 2016-10-06
Abstract: PROBLEM TO BE SOLVED: To provide a fuel cell stack in which a grommet can be miniaturized by adopting a flat cable and also a seal structure causing no gas leakage from a housing case can be achieved.SOLUTION: A grommet 58 made of EPDM and having a slit 64 penetrating in a thickness direction thereof is provided in an opening 14a provided in a housing case 14 of a fuel cell stack 10. A flat cable 54 is inserted into the slit 64, and sealed by a potting portion 62 made of silicone. An intermediate layer 94 formed of a material that does not inhibit the curing of a liquid potting material made of silicone is provided between the grommet 58 and the potting portion 62.SELECTED DRAWING: Figure 4
Patent JP-2018063820-A (JP)
Title: Vehicle lighting device, manufacturing method of vehicle lighting device, and vehicle lamp fitting
Inventor: SHIRAISHI HIROMITSU
IPC: H01L33/48
Filed: 2016-10-12
Abstract: PROBLEM TO BE SOLVED: To provide a vehicle lighting device which achieves downsizing, and to provide a manufacturing method of the vehicle lighting device and a vehicle lamp fitting.SOLUTION: A vehicle lighting device according to an embodiment includes: a socket; and a light emitting part provided at one end part of the socket. The light emitting part has: a substrate having a first hole which penetrates through the substrate in a thickness direction; light emitting elements provided on the substrate; and a frame part which is provided at an area of the substrate, in which the first hole is provided, and encloses the light emitting elements.SELECTED DRAWING: Figure 4
Patent JP-2018062759-A (JP)
Title: Escape door for tunnel
Inventor: HIRAGAKI SHUN
IPC: E21F11/00
Filed: 2016-10-12
Abstract: PROBLEM TO BE SOLVED: To provide an escape door to be able to be secured enough width between both sides of a the right and left directions of an outer door 7 capable of jumping-up by a weight 9a and to be able to be installed at a desired position, when the outer door 7 is installed on a cut-out section 5c cut out a portion of a walking passage 5 provided at a higher position than a roadway 4, constructed in a tunnel 1, being laid an outside of at least one side of right and left directions of the roadway 4.SOLUTION: The weight 9a for jumping up and opening of the outer door 7 is disposed above a walking passage 5 near the cut-out section 5c.SELECTED DRAWING: Figure 6
Patent JP-2017201500-A (JP)
Title: Information processing device and program
Inventor: TOKUCHI KENGO
IPC: G06F13/00
Filed: 2016-10-12
Abstract: PROBLEM TO BE SOLVED: To provide an information processing device that provides information that enables a user to recognize which functions can be executed with a plurality of apparatuses.SOLUTION: A terminal device 14 comprises: photographing means that photographs an image forming device 10; identification means that identifies the photographed image forming device; and control means that displays information on the identified image forming device and information on a server 12 as an external device and controls display of cooperative functions that are executed by a user operating the information on the image forming device and information on the server.SELECTED DRAWING: Figure 1
Patent JP-2018065195-A (JP)
Title: Tip displacement type cutting tool
Inventor: MIURA AKIRA
IPC: B23C5/24
Filed: 2016-10-17
Abstract: PROBLEM TO BE SOLVED: To make it possible to adjust a tip with high accuracy without the need for a lot of time, effort and skill for fine adjustment work for a tip position of a cutting insert.SOLUTION: A cutting tool in which a cutting insert 3 is detachably attached to an insert attachment seat 2 of a tool body 1, and a pressing face 6b, which contacts a side face of the cutting insert 3, and a contact face 6c, which contacts a wall surface 5d of a recess 5 directed to an opposite side of the pressing face 6b, are provided on the recess 5 which is so formed on the tool body 1 as to be adjacent to the insert attachment seat 2 and communicated therewith. An adjustment wedge 6, which becomes gradually smaller as a space between the pressing face 6b and the contact face 6c approaches a bottom face 5a side of the recess 5, is fitted by an adjustment screw 7 comprising a screw part 7a which penetrates the adjustment wedge 6 and is screwed into the bottom face 5a and a head 7b which contacts the adjustment wedge 6, and an elastically deformable elastic member 8 is interposed in a compressed state between the bottom face 5a of the recess 5 and an opposite face 6d of the adjustment wedge 6 which is opposite to the bottom face 5a.SELECTED DRAWING: Figure 4
Patent JP-2017085561-A (JP)
Title: Wireless device
Inventor: NAGAI MAKOTO
IPC: G09C1/00
Filed: 2016-10-18
Abstract: PROBLEM TO BE SOLVED: To enable cryptographic keys for communications among terminal devices, used by terminal devices mounted in vehicles, to be updated by using broadcast communication from a base station device to the terminal devices.SOLUTION: A storage unit 44 of a base station device 10 stores a common key table for indicating plural kinds of common keys available for communications among terminal devices. An MAC frame processor 26 receives a packet signal notified from a terminal device. A check unit checks the version of a common key table containing a common key which is appended to a received packet signal to generate an electronic signature. A detector 46 detects that the version of the checked common key table is earlier than the version of the common key table stored in the storage unit 44. When the frequency of the detection is not less than a predetermined number of times within a unit period, the MAC frame processor 26 generates a packet signal in which the common key table stored in the storage unit 44 is stored, and notifies (broadcast-transmits) the packet signal.SELECTED DRAWING: Figure 2
Patent JP-2018067805-A (JP)
Title: Imaging apparatus
Inventor: TAKANO SHO
IPC: H04N5/225
Filed: 2016-10-19
Abstract: PROBLEM TO BE SOLVED: To provide an imaging apparatus capable of suppressing increase in the sizes of the apparatus.SOLUTION: A half mirror 23 is disposed on the path of light having passed through a lens 22. A first image sensor 24 comprises a first imaging face 24a located at a position where a transmission light L2 having passed through the half mirror 23 forms an image. A second image sensor 25 has a second imaging face 25a located at a position where reflected light L3 reflected by the half mirror 23 forms an image.SELECTED DRAWING: Figure 3
Patent JP-2018072432-A (JP)
Title: Fixing device and image forming apparatus
Inventor: ODAKA YOSHIYUKI
IPC: G03G15/20
Filed: 2016-10-25
Abstract: PROBLEM TO BE SOLVED: To safely and correctly detect abnormality in temperature of a fixing member irrespective of a short-circuit of a heat source or rotation of the fixing member after the drive is stopped.SOLUTION: A fixing device 14 of a printer 1 comprises: a fixing belt 21 that is heated by a heater 23; a pressure roller 22 that is brought into pressure contact with the fixing belt 21; a temperature sensor 27 that detects the temperature of the fixing belt 21; a sheet detection part 28 that detects a sheet passing through the fixing belt 21; a driving part 34 that drives the fixing belt 21; and a control device 16 that instructs the heater 23 to stop heating while the drive of the fixing belt 21 is stopped, when subsequently a sheet is not detected, if a temperature of the fixing belt 21 increased per unit time exceeds an abnormal increase value, detects abnormality in temperature of the fixing belt 21 and cuts off supply of power to the heater 23, and when a sheet is detected, does not detect abnormality in temperature of the fixing belt 21 and cuts off supply of power to the heater 23 irrespective of a result of detection performed by the temperature sensor 27.SELECTED DRAWING: Figure 3
Patent JP-2018071952-A (JP)
Title: Hot water storage type water heater
Inventor: NAGAE ETSUSHI
IPC: F24H1/18
Filed: 2016-11-04
Abstract: PROBLEM TO BE SOLVED: To provide a hot water storage type water heater capable of suppressing hot water shortage of a hot water storage tank in the case where hot water supply for a special use is used.SOLUTION: A storage part 50 learns, for a predetermined period, the amount of hot water used for hot water supply, and stores the learned amount of hot water as a past use record. A control part 11 drives a heating part 3 at a predetermined time so that the amount of hot water corresponding to the past use record is stored in a hot water storage tank 4, and performs boiling of the hot water storage tank 4. Also, when it is detected that the hot water supply for special use is performed by a second flow rate counter 31 as a special use detection part or a special use switch 46 and the like, the control part 11 drives the heating part 3 so that the amount of hot water in the hot water storage tank 4 when the hot water supply for a special use is started is stored in the hot water storage tank 4, and performs boiling of the hot water storage tank 4.SELECTED DRAWING: Figure 4
Patent JP-2018075075-A (JP)
Title: Magnetic resonance imaging device and oxygen intake rate calculation method
Inventor: SHIRAI TORU
IPC: A61B5/055
Filed: 2016-11-07
Abstract: PROBLEM TO BE SOLVED: To provide a technology to calculate oxygen intake rate distribution in the brain including the brain parenchyma by simple processing without imposing a load such as caffeine administration on a subject in calculating oxygen intake rate distribution using an MRI.SOLUTION: A complex image of a nuclear magnetic-resonance signal is measured, and physical property value distribution for calculating a physical property value image reflecting an oxygen intake rate is calculated from the measured complex image. The calculated physical property value distribution is separated into the physical property value distributions (tissue separation images) of every at least two kinds or more of tissues. After one of the tissue separation images is converted to the oxygen intake rate, the oxygen intake rate distribution is estimated based on the condition that a pixel value of an arbitrary pixel and an average value of the peripheral pixels are roughly equal.SELECTED DRAWING: Figure 6
Patent JP-2018078395-A (JP)
Title: Apparatus communication method and apparatus
Inventor: YOSHIMURA KEIICHIRO
IPC: H04L12/46
Filed: 2016-11-07
Abstract: PROBLEM TO BE SOLVED: To let only an appropriate apparatus serving as a representative communicate with a server but not permitting a plurality of apparatuses (terminals) connected with a LAN to individually transmit a request to the server.SOLUTION: When an apparatus 10 connected with a LAN communicates with a server 100 connected with an external network, a flag apparatus is determined in advance. An IoT apparatus 10 newly connected with the LAN compares its reliability with that of all IoT apparatuses connected with the LAN, and if the apparatus 10 has the highest reliability, it becomes a flag apparatus by displacing the predetermined flag apparatus and communicates with the server 100.SELECTED DRAWING: Figure 1
Patent JP-2018077661-A (JP)
Title: Paper sheet processor
Inventor: NISHIO SATORU
IPC: B65H3/46
Filed: 2016-11-09
Abstract: PROBLEM TO BE SOLVED: To prevent an obvious feeding mark from being attached to paper sheets to be delivered out of a paper sheet processor.SOLUTION: A paper sheet processor for delivering paper sheets conveys paper sheets fed out of a loading part 330 having a paper feeding mechanism to a storage part 320 having a paper sheet feeding mechanism. The feeding mechanism of the loading part 330 and the storage part 320 has contact parts (e.g. reverse rotation rollers 335 and 325) coming into contact with the paper sheets at the time of feeding the paper sheets, and a contact part (e.g. the reverse rotation roller 335) of the loading part 330 and a contact part (e.g. the reverse rotation roller 325) of the storage part 320 are configured such that at least a part of contact positions to the paper sheets are different from each other.SELECTED DRAWING: Figure 10
Patent JP-2018078495-A (JP)
Title: Amplifier circuit and optical transmitter
Inventor: ITABASHI NAOKI
IPC: H03F3/68
Filed: 2016-11-10
Abstract: PROBLEM TO BE SOLVED: To suppress a resonance phenomenon in a bias circuit.SOLUTION: An amplifier circuit includes: a printed circuit board 10 provided with an output terminal OUTP for outputting a high-frequency signal to the outside and a bias terminal Bias for receiving a bias voltage of the high-frequency signal from the outside; and a chip 32, a capacitor 34, an inductor L, and a ferrite bead element 38 which are mounted on the printed circuit board 10. The chip 32 is provided with an active circuit and an output end and outputs the high-frequency signal generated by the active circuit from the output end. The capacitor 34 is electrically connected between the output end and the output terminal OUTP. The inductor L and the ferrite bead element 38 are connected in series with each other to constitute a series circuit, the inductor L is electrically connected to the output end, and the ferrite bead element 38 is electrically connected to the bias terminal Bias.SELECTED DRAWING: Figure 7
Patent JP-2017073556-A (JP)
Title: Transistor
Inventor: AKIMOTO KENGO
IPC: H01L29/786
Filed: 2016-11-11
Abstract: PROBLEM TO BE SOLVED: To provide an oxide semiconductor film and a semiconductor device having the same with improved characteristics.SOLUTION: A transistor includes a channel formed in an oxide semiconductor layer 113 containing In, Ga, and Zn. Each of a source electrode 117a and a drain electrode 117b of the transistor has any one of a transparent conductive film having indium and tin, a transparent conductive film containing silicon, indium, and tin, a transparent conductive film containing indium and zinc, and a transparent conductive film containing zinc.SELECTED DRAWING: Figure 1
Patent JP-2018079722-A (JP)
Title: Air conditioner for vehicle
Inventor: MIYAKOSHI TATSU
IPC: B60H1/32
Filed: 2016-11-14
Abstract: PROBLEM TO BE SOLVED: To provide an air conditioner for a vehicle in which such an inconvenience that a compressor is operated in the situation where an operation efficiency is lowered can be dissolved.SOLUTION: A progress state of frost formation onto an outdoor heat exchanger 7 is determined based on a difference ΔTXO=TXObase-TXO between a refrigerant evaporation temperature TXO and a refrigerant evaporation temperature TXObase when the refrigerant evaporation temperature TXO of the outdoor heat exchanger 7 is lowered than the refrigerant evaporation temperature TXObase of the outdoor heat exchanger at the time of non-formation of frost or based on a difference ΔPXO between a refrigerant evaporation pressure PXO and a refrigerant evaporation pressure PXObase at the time of non-formation of frost, and a compressor 2 is stopped in the case that a state such that frost formation onto the outdoor heat exchanger 7 is progressed is continued during a prescribed time.SELECTED DRAWING: Figure 1
Patent JP-2018081387-A (JP)
Title: Memory management apparatus, video recording and reproducing apparatus, memory management method, video recording and reproducing method, and computer program
Inventor: WATANABE HIROYUKI
IPC: G06F12/16
Filed: 2016-11-14
Abstract: PROBLEM TO BE SOLVED: To provide a memory management apparatus, a video recording and reproducing apparatus, a memory management method, a video recording and reproducing method, and a computer program capable of suppressing deterioration in use efficiency of a NAND memory.SOLUTION: A memory management apparatus of an embodiment has a storage part and a memory management part. The storage part includes one or more storage media for storing data. The memory management part manages memory blocks included in the storage medium as either normal blocks or bad blocks on the basis of processing time required for writing, reading, or erasing the memory block. The memory management part adjusts a threshold value of the processing time used for determining whether the memory block is the normal block or the bad block according to the processing time of each piece of the processing.SELECTED DRAWING: Figure 3