baber/WOPTO huggingface dataset:
Patent JP-2021112093-A (JP)
Title: Power supply circuit and electronic device
Inventor: KITAMURA TOMOYOSHI
IPC: H02J1/00
Filed: 2020-01-15
Abstract: To provide a power supply circuit which can inhibit continuation of generation of arcs.SOLUTION: A power supply circuit comprises: a power supply line which supplies DC power to be input from a power transmission part to a power reception part to a power supply part which generates power of a load based on the DC power; a waveform output circuit which outputs a voltage waveform which inclines when an arc is generated between the power reception part and the power transmission part; and a control circuit which outputs an instruction to turn off the power to the power supply part when inclination of the voltage waveform exceeds a threshold. The waveform output circuit outputs the voltage waveform according to, for example, variation of voltage to be input in the power reception part.SELECTED DRAWING: Figure 4
Patent JP-2021114495-A (JP)
Title: Module and manufacturing method of the same
Inventor: SAITO YOSHIRO
IPC: H05K3/34
Filed: 2020-01-16
Abstract: To perform an adhesion fixture and a terminal soldering to a print circuit board of a large-sized electronic component having a lead terminal arranged in asymmetry in a front surface mounting substrate by a series of thermal processing.SOLUTION: A module manufacturing method mounting an electronic component having a housing part and a lead terminal onto a front surface of a print circuit board, comprises the steps of: preparing the print circuit board in which a land is arranged on its front surface; selectively printing a cream solder along a peripheral edge of the land so as to remain an exposure part of the land corresponding to an installation position of the lead terminal; coating an adhesion material at a position adjacent to the land of the print circuit board; mounting the electronic component onto the print circuit board so that the housing part is adhered and contacted to the adhesion material and the lead terminal is contacted to the exposure part of the land; and performing a thermal processing to fix the housing part onto the front surface of a circuit board by hardening the adhesion material, and electrically connecting the lead terminal to the land by reflowing it to the cream solder.SELECTED DRAWING: Figure 9
Patent JP-2021113746-A (JP)
Title: Laser Doppler speedometer
Inventor: OSHIMA RYOTA
IPC: G01S17/58
Filed: 2020-01-20
Abstract: To allow identifying a location of measurement of invisible light used for measurement by aiming light using visible light with a simple configuration.SOLUTION: An invisible measuring beam emitted by a measurement laser source 1 is split into two beams by a beam splitter 3, and each beam hits a field of measurement of a measurement object 100 at each different angle. Visible aiming light emitted by an aiming laser source 8 transmits through a dichroic mirror 6, and is emitted from an objective lens 5 so that the centre of the field of measurement of the measurement object 100 is a condensing point. Reflectance of the measuring beam in the field of measurement passes through the objective lens 5, is then reflected by the dichroic mirror 6 to be condensed on a photodetector 7. A measurement device 9 measures the speed of the measurement object 100 on the basis of a beat frequency of a detection signal of the photodetector 7.SELECTED DRAWING: Figure 1
Patent JP-2021116522-A (JP)
Title: Opening and closing apparatus of slide door
Inventor: MIYAGAWA MASAZUMI
IPC: E05F15/56
Filed: 2020-01-22
Abstract: To provide an opening and closing apparatus of a slide door in which immediate braking is applied to the opening and closing movement of the slide door when cutting an opening cable or a closing cable.SOLUTION: An opening and closing apparatus of a slide door includes: an opening-side brake mechanism 11 capable of switching between a release state in which a brake force is not applied to opening and closing movement of the slide door and a brake state in which the brake force is applied; and a closing-side brake mechanism 12 capable of switching between the release state in which the brake force is not applied to the opening and closing movement of the slide door and the brake state in which the brake force is applied. The opening-side brake mechanism 11 is held in the release state in a state of being connected to a drive apparatus by an opening cable 9, and is switched to the break state when the opening cable 9 is cut and the connection to the drive apparatus is disconnected. The closing-side brake mechanism 12 is held in the release state in a state of being connected to the drive apparatus by a closing cable 10, and is switched to the brake state when the closing cable 10 is cut and the connection to the drive apparatus is disconnected.SELECTED DRAWING: Figure 4
Patent JP-2021116698-A (JP)
Title: Exhaust emission control device
Inventor: YAMAMOTO NAOYA
IPC: F01N3/18
Filed: 2020-01-22
Abstract: To provide an exhaust emission control device for enabling the determination of at least the presence or absence of abnormality in a temperature region including a temperature where the thermal deterioration of a catalyst is promoted, and the cause of the abnormality to be specified.SOLUTION: The exhaust emission control device includes a SCR 4 provided in an exhaust flow path 5 of an engine 1, an electric heater 7 provided upstream of the SCR 4 for heating exhaust gas, an EH controller 20 for controlling a constant voltage power source 8 to energize the electric heater 7 or not, a first temperature detection part including a PTC thermistor 23 provided for detecting the heat generation of the electric heater 7, an energization control part 13 for performing energization instruction to the EH controller 20, and an abnormality determination part 14 for determining whether the electric heater 7 or the constant voltage power source 8 is abnormal or not and determining whether the EH controller 20 is abnormal or not, on the basis of a resistance value for the PTC thermistor 23 and the energization instruction, the first temperature detection part being constructed so that the resistance value for the PTC thermistor 23 is highly sensitive in a first temperature region including the temperature where the thermal deterioration of the SCR 4 is promoted.SELECTED DRAWING: Figure 1
Patent JP-2021117343-A (JP)
Title: Optical system and imaging apparatus having the same
Inventor: KOBAYASHI KANA
IPC: G02B17/08
Filed: 2020-01-24
Abstract: To provide a small optical system capable of acquiring a high-quality 360° omnidirectional image, and an imaging apparatus having the same.SOLUTION: The optical system includes an incident part, a first reflection plane, a second reflection plane, a third reflection plane, and an emission part. The incident part is rotationally symmetric about the central axis. The incident light from the incident part crosses the central axis and incidents to the first reflection plane. The reflected light from the first reflection plane crosses the central axis and incidents to the second reflection plane and the reflected light from the second reflection plane incidents to the third reflection plane.SELECTED DRAWING: Figure 1
Patent JP-2021119951-A (JP)
Title: Game machine
Inventor: ICHIHARA TAKAAKI
IPC: A63F7/02
Filed: 2020-01-31
Abstract: To provide a game machine capable of maintaining interest in a game.SOLUTION: A pachinko machine 1 has a start pocket capable of receiving game balls hit into a game area 5a. When a game ball enters the start pocket, determination processing regarding winning is performed. Thereafter, variable display corresponding to a result of the determination processing is started and, if a winning pattern is displayed in the variable display, a winning game is executed. Accordingly, the pachinko machine 1 can perform a special performance as a performance associated with operation means.SELECTED DRAWING: Figure 60
Patent JP-2021123624-A (JP)
Title: Fluorescent dye and use thereof
Inventor: HARA DAIKI
IPC: C09B11/14
Filed: 2020-02-03
Abstract: To provide a novel fluorescent dye.SOLUTION: Regarding a fluorescent dye which has such a backbone that an oxygen atom in a xanthene ring in a base backbone of a rhodamine compound is substituted by a silicon atom, a spiro-ring structure having an Si atom as a spiro atom is imparted, obtaining a novel fluorescent dye even applicable to super-resolution microscopy, so that the foregoing problem is solved.SELECTED DRAWING: Figure 1
Patent JP-2020098092-A (JP)
Title: Multiple pressure mixed refrigerant cooling process and system
Inventor: GOWRI KRISHNAMURTHY
IPC: F25J1/00
Filed: 2020-02-03
Abstract: To provide systems and methods for increasing capacity and efficiency of natural gas liquefaction processes having a mixed refrigerant precooling system with multiple pressure levels comprising cooling the compressed mixed refrigerant stream and separating the cooled compressed mixed refrigerant stream into vapor and liquid portions.SOLUTION: The liquid portion provides refrigeration duty to a first precooling heat exchanger 260. The vapor portion is further compressed, cooled and condensed, and used to provide refrigeration duty to a second precooling heat exchanger 262. Optionally, additional precooling heat exchangers and/or phase separators may be used.SELECTED DRAWING: Figure 2
Patent JP-2021127189-A (JP)
Title: Article conveying system
Inventor: OTAKE YUKI
IPC: B65G21/20
Filed: 2020-02-10
Abstract: To provide an article conveying system capable of preventing articles from moving to a conveying passage other than a conveying passage where the articles are moved among a plurality of conveying passages.SOLUTION: The article conveying system includes conveying parts (543, 743) for conveying articles (900) in a predetermined direction, a plurality of conveying passages (26, 726) extending from the conveying parts in a direction crossing the predetermined direction, movement direction switching parts (552, 752) for moving the articles from the conveying parts to a part of the conveying passages among the plurality of conveying passages, and guides (555, 755) arranged between the conveying parts and the plurality of conveying passages. The guides have a plurality of sidewall parts (583, 783) for forming sidewalls of the conveying parts, a support part (581) for swingably supporting each of the plurality of sidewall parts, lock parts (585c, 591d) for locking respective swings of the plurality of sidewall parts, and release parts (585a, 577b) for releasing the locks by the lock parts. The release parts release the locks in positions where the articles move from the conveying parts to the conveying passages by the movement direction switching parts among the plurality of sidewall parts.SELECTED DRAWING: Figure 19
Patent JP-2021126799-A (JP)
Title: Image formation apparatus
Inventor: MORITA AKIRA
IPC: B41J29/13
Filed: 2020-02-12
Abstract: To provide an image formation apparatus which prevents a user from falling down without increasing its size.SOLUTION: A multi function peripheral (MFP) 100 includes an image formation part 140 which forms an image on a paper sheet, and a hand rail 200 fixed above the image formation part 140 so as not to exceed a housing 140A of the image formation part 140 upward in the vertical direction.SELECTED DRAWING: Figure 1
Patent JP-2021049964-A (JP)
Title: Wheel and travelable device using the same
Inventor: Huang Yishuang
IPC: B60B9/12
Filed: 2020-02-12
Abstract: To provide a wheel having a cushioning function.SOLUTION: A wheel is manufactured to include a rim 100 and an inner hub 110 and have a cushioning function. The wheel further includes a deformable ring-shaped sheet 130 located between the rim and the inner hub. A center of the ring-shaped sheet substantially overlaps a center of the rim or the inner hub. One or more first connection arms which are rotated around centers and are distributed in a ring-shape are connected between the ring-shaped sheet and the rim, and the first connection arms are relatively rotated with the ring-shaped sheet and the rim. One or more second connection arms which are rotated around centers and are distributed in the ring-shape are connected between the ring-shaped sheet and the inner hub, and the second connection arms are relatively rotated with the ring-shaped sheet and the inner hub.SELECTED DRAWING: Figure 1
Patent JP-2021128255-A (JP)
Title: Liquid crystal display
Inventor: NAKAGAWA TERUHISA
IPC: G02F1/1345
Filed: 2020-02-13
Abstract: To easily prevent a reduction in opening ratio while preventing a variation in line capacity.SOLUTION: A liquid crystal display 100 comprises signal lines 11, scan lines 12, and leader lines 13. The leader lines 13 have a length in a first direction D1 and are electrically connected with the scan lines 12 to transmit scan signals to the scan lines 12. The signal lines 11 and the leader lines 13 are arranged to be overlapped with each other in a fore-and-aft direction. The liquid crystal display 100 has a first area A1 and a second area A2. In the first area A1, in a second direction D2, the center in a width direction of the signal line 11 is shifted relative to the center in a width direction of the leader line 13 in a third direction. In the second area A2, in the second direction D2, the center in the width direction of the signal line 11 is shifted relative to the center in the width direction of the leader line 13 in a fourth direction opposite to the third direction.SELECTED DRAWING: Figure 1
Patent JP-2021130374-A (JP)
Title: Vehicle rear structure
Inventor: MURATA SOSHIRO
IPC: B62D25/20
Filed: 2020-02-19
Abstract: To suppress an increase in a cost of manufacture while guaranteeing the freedom in shape such as the configuration of ribs in a rear floor side member.SOLUTION: A vehicle rear structure 10 includes a rear floor side member 12 extending in a vehicular fore-and-aft direction on a lateral part of a rear part of a vehicle, and a rear floor side member rear piece 30 having an open sectional shape of being open toward a lower part of the vehicle and having a front end 30F coupled to a rear end 12A of the rear floor side member 12. The rear floor side member rear piece 30 includes a rear floor side member rear piece body 32 that has an upper wall 34 and an inner wall (longitudinal wall) 36 extending from an internal end in a vehicle width direction of the upper wall 34 to the lower part of the vehicle, and that has the front ends of the upper wall 34 and inner wall 36 coupled to the rear end 12A of the rear floor side member 12, and a rear member rear plate 38 whose upper end is coupled to an external end in the vehicle width direction of the upper wall 34 and which is opposed in the vehicle width direction to the inner wall 36.SELECTED DRAWING: Figure 3
Patent JP-2021136108-A (JP)
Title: Micro heater
Inventor: INOUE TAKESHI
IPC: H05B3/42
Filed: 2020-02-26
Abstract: To provide a micro heater capable of increasing durability of a joint part of a heating wire and a non-heating wire, increasing a filling density of a heat resistance insulation material, and preventing deterioration of a voltage resistance characteristic.SOLUTION: A heating wire 3 is extended from an end part 2a of a metal sheath pipe 2 of a heating part 10 by a predetermined length, and an external peripheral face 30 in a predetermined region reaching at least a tip of an extended part 3a provides a metal sleeve 6. An end part 6a on the side opposite to the end part on the side opposite to the metal sheath pipe of the sleeve 6 is jointed to an end part 5b of a non-heating wire 5. At least one part on the jointed side of the extended part 3a of the heating wire 3, the sleeve 6, and the non-heating wire 5 is housed in a cylindrical metal coated pipe 7 connected to the end part 2a of the metal sheath pipe, and a heat resistance insulation material 8 is filled in a gap in the metal coated pipe 7. Thus, a region where the sleeve 6 of the metal coated pipe 7 and the non-heating wire 5 are positioned is structured as a non-heating part 11.SELECTED DRAWING: Figure 1
Patent JP-2021135389-A (JP)
Title: Focusing position detecting method, focusing position detecting device, and focusing position detecting program
Inventor: YASUDA TAKUYA
IPC: G02B7/28
Filed: 2020-02-27
Abstract: To stably detect a focusing position without repeating a detection operation even when a plurality of target images that are acquired by imaging an imaging object by means of an imaging unit while changing a focal position along an optical axis are relatively dark.SOLUTION: A second step of calculating a focusing degree which indicates a degree of focusing for each target image from a target image comprises: a division step of dividing the target image into a plurality of local areas; a local value calculation step of calculating a local value which indicates a degree of focusing, from the local area for each local area; and a focusing degree calculation step of calculating a focusing degree on the basis of a plurality of local values.SELECTED DRAWING: Figure 4
Patent JP-2021136814-A (JP)
Title: Man-power drive vehicle control device
Inventor: SHAKA SATOSHI
IPC: H02J7/10
Filed: 2020-02-28
Abstract: To provide a man-power drive vehicle control device which can lessen a situation in which regeneration operation is restricted.SOLUTION: The man-power drive vehicle control device includes a control unit which can control at least one of a motor which is configured to apply propulsion to the man-power drive vehicle and a battery which supplies power to the motor. The motor is configured to be capable of regeneration. The battery is configured to be chargeable by first power which is generated based on the regeneration operation of the motor, and also chargeable by second power which is supplied from the commercial power supply. The control unit is configured to be controllable of the battery with different power storage upper limit thresholds between the case of charging by the first power and the case of charging by the second power.SELECTED DRAWING: Figure 8
Patent JP-2021134776-A (JP)
Title: Attachment structure of engine cover
Inventor: SUEMATSU YUSUKE
IPC: F02B77/13
Filed: 2020-02-28
Abstract: To provide an attachment structure of an engine cover capable of enhancing a suppression effect of vibration and noise due to an engine cover by attaching at least a part of the engine cover to a cylinder head having high rigidity without using a special bolt.SOLUTION: As an attachment structure of an engine cover 16 that covers a cylinder head cover 15 attached to a cylinder head 6 of an engine 1, employed is a configuration in which on the exhaust side of the cylinder head 6, exhaust collecting parts (exhaust ports) 6a, 6b for merging a plurality of exhaust ports formed in the cylinder head 6 are provided, both end parts in a width direction of a support 18 straddling the exhaust collecting parts 6a, 6b are attached to the cylinder head 6, and a plurality of locations on the exhaust side of the engine cover 16 are attached to the cylinder head 6 via the support 18.SELECTED DRAWING: Figure 3
Patent JP-2021133352-A (JP)
Title: Treatment method of waste liquid
Inventor: HIRAYAMA SATOKO
IPC: C02F1/58
Filed: 2020-02-28
Abstract: To provide a treatment method of waste liquid capable of efficiently recovering a solid content containing phosphorous at a large percentage content from the waste liquid containing phosphate ion and sulfate ion.SOLUTION: A treatment method of waste liquid comprising: a phosphorous-containing solid matter generating step for generating a phosphorous containing solid matter in the waste liquid by (A) a method for performing Step (b) after Step (a), (B) a method for performing Step (a) after Step (b), or (C) a method for performing simultaneously Step (a) and Step (b); and a liquid temperature control step for controlling the temperature of the waste liquid to 35°C or higher, before, during, or after one of the methods (A) to (C): (a) a calcium compound adding step for adding a calcium compound to the waste liquid and controlling an amount of the calcium compound so that in the waste liquid, a molar ratio (Ca/P) of calcium (Ca) to phosphorous (P) is in a range of 1.5 or larger and smaller than 2.2; (b) a pH adjusting step for adjusting the pH of the waste liquid into a range of 11.5 to 13.5 of the waste liquid by adding a pH adjuster to the waste liquid.SELECTED DRAWING: None
Patent JP-2020079557-A (JP)
Title: Track pad and rail support structure
Inventor: SATAKE NOBUAKI
IPC: E01B9/38
Filed: 2020-03-03
Abstract: To provide a track pad and a rail support structure capable of significantly reducing the friction between the track pad and a rail, preventing the track pad from coming off from sleepers or tie plates, and also making components consisting the track pad resistant to be separated, thereby improving the durability.SOLUTION: A track pad placed between a rail and a sleeper or a tie plate is provided with a plate-shaped elastic member and a low-friction sheet material fixed on a surface of the elastic member that comes into contact with the rail, the friction sheet material including an upper surface serving as a mounting surface of the rail which has a low friction coefficient in at least one direction, and being fixed on the above-mentioned surface of the elastic member so that the direction with the low friction coefficient of the upper surface matches the laying direction of the rail. The elastic member has a plurality of grooves extending in the laying direction of the rail on the surface on the low friction sheet material side, and the low friction sheet material is fixed like a belt to the upper surfaces of a plurality of ridges between the plurality of grooves of the elastic member.SELECTED DRAWING: Figure 8
Patent JP-2021137195-A (JP)
Title: Mirror cabinet and dresser washstand
Inventor: TANADA SHINYA
IPC: A47G1/02
Filed: 2020-03-03
Abstract: To provide a mirror cabinet capable of easily changing an attachment position of a mirror door while maintaining good appearance thereof and provide a dresser washstand.SOLUTION: A mirror cabinet 1 comprises: a cabinet 10 having a storage part with an opening at the front; and a mirror door 20 vertically rotating around an axis to make the opening openable. The cabinet 10 includes: a body 30; a mounting unit 40 having an upper unit 43 mounted on an upper part 32 of the body 30 and a lower unit 44 mounted on a lower part 33 of the body 30. The mirror door 20 is mounted on the cabinet 10 by the upper unit 43 and the lower unit 44. The mounting unit 40 is composed of an optionally selective mounting unit selected correspondingly to the mirror door 20 from a plurality of kinds of units different in positions of mounting parts for mounting the mirror door 20.SELECTED DRAWING: Figure 1
Patent JP-2021143029-A (JP)
Title: Sheet material feeding device and image forming device
Inventor: KAWAKAMI KAZUHIRO
IPC: G03G15/00
Filed: 2020-03-11
Abstract: To provide a sheet material feeding device capable of performing highly reliable sheet material feeding and separation.SOLUTION: A sheet material feeding device 70 comprises: a sheet tray 71 which serves as a loading part for loading sheets P which are sheet materials; feed rollers 721, 722, 723 for feeding the sheets P loaded on the sheet tray 71 outside the sheet tray 71; and a separation roller 73 which serves as a separation member for separating the sheets P one by one, and a plurality of feed rollers 721, 722, 723 are provided so as to be switchable to feeding positions for feeding the sheets P. The sheet material feeding device 70 comprises an optical sensor 725 or the like which serves as state detection means for detecting states including the abraded states of the feed rollers 721, 722, 723, and a CPU 900 which serves as determination means for determining the states. The feed rollers 721, 722, 723 can be switched to the feeding positions in accordance with the determination result obtained by the CPU 900.SELECTED DRAWING: Figure 2