baber/WOPTO huggingface dataset:
Patent JP-2020030252-A (JP)
Title: Zoom lens and image capturing device having the same
Inventor: OKADA TAKASHI
IPC: G02B7/28
Filed: 2018-08-21
Abstract: To provide a zoom lens which is compact, has a high magnification, and yet offers a large shooting magnification for close objects and superior performance for objects lying in a range from infinity to a very short distance.SOLUTION: A zoom lens provided herein consists of four lens groups having positive, negative, positive, and negative refractive power in order from the object side to the image side. When zooming from the wide-angle end toward the telephoto end, a distance between a first lens group and a second lens group increases and a distance between the second lens group and a third lens group decreases while a distance between the third lens group and a fourth lens group increases, where the first lens group moves to be further on the object side at the telephoto end than its position at the wide-angle end. The zoom lens satisfies the following conditional expressions: -0.3<f4/ft<-0.1, 2.0<M4/Skw×z4<10.0, where f4, M4, and z4 respectively represent a focal length, displacement from the wide-angle end to the telephoto end, and share of magnification of the fourth lens group, ft represents a focal length of the entire system at the telephoto end, and Skw represents a distance from a most-image-side surface with refractive power to the image plane at the wide-angle end.SELECTED DRAWING: Figure 1
Patent JP-2020029048-A (JP)
Title: Exposure device, image formation apparatus, light emission timing correction method and light emission timing correction program
Inventor: YOKOTA SOTARO
IPC: B41J2/447
Filed: 2018-08-23
Abstract: To reduce a deviation in a sub-scanning direction of irradiation positions of a plurality of light sources.SOLUTION: An exposure device includes an exposure unit which includes a plurality of light source groups in which a plurality of light sources are arrayed along a main-scanning direction. The plurality of light source groups are arrayed along a sub-scanning direction that is crossing the main-scanning direction so that the positions in the main-scanning direction of the plurality of light sources are different from each other. The exposure device also includes: a detecting unit 53 which detects the irradiation positions at which light emitted by the at least two of the plurality of light sources is irradiated on a photoreceptor drum that moves at a prescribed speed relative to the exposure unit along the sub-scanning direction; and a correction unit 55 which corrects the light emission timing of the plurality of light sources included in the plurality of light source groups on the basis of the irradiation distance in the sub-scanning direction between the at least two irradiation positions detected by the detecting unit 53 with respect to the at least two light sources that respectively belong to the at least two of the plurality of light source groups of the plurality of light sources.SELECTED DRAWING: Figure 11
Patent JP-2020029391-A (JP)
Title: Method for producing ceramic sintered body and jig
Inventor: KANEKO YUMA
IPC: C04B35/64
Filed: 2018-08-24
Abstract: To effectively modify warpage of ceramic sintered body by using a simple planar jig.SOLUTION: A method for producing a ceramic sintered body comprises the step of modifying warpage of the ceramic sintered body by lowering a substantially disk shape ceramic sintered body after rising temperature in such a state that it is sandwiched by a pair of planar jigs, and is pressurized. The method satisfies a formula (1) R×A≤λ×2π L/In(r/r) (where, Ris a contact heat transfer coefficient between the ceramic sintered body and the jig (W/mK); Ais a contact area between the ceramic sintered body and the jig (m); λis thermal conductivity of the jig (W/m K); Lis a thickness of the jig (m); ris a diameter of the jig in the highest temperature region, in particular is 20 mm; and ris a diameter of the ceramic sintered body (mm)).SELECTED DRAWING: Figure 6
Patent JP-2020031540-A (JP)
Title: Pleurotus cornucopiae powder and method for producing the same
Inventor: KOMAGATA YOSHIHIRO
IPC: A23L19/00
Filed: 2018-08-27
Abstract: To provide a technique capable of producing an active ingredient of verified β-glucan so surely and efficiently as having never been before from Pleurotus cornucopiae, which has a high content of β-glucan but can be cultivated and grown only in a limited management facility and which is likely to be limited in a supply amount and reducing more an economic burden.SOLUTION: Pleurotus cornucopiae powder prepared by cutting live Pleurotus cornucopiae T1 into a live lower base part T2 including a part of strains 10 thereof and a plurality of cut-off live Pleurotus cornucopiae parts T3 as fruit bodies 1 including bacteria stems 11 and pileuses 12, subjecting the live lower base part T2 and a plurality of the cut-off live Pleurotus cornucopiae parts T3 to low-temperature drying in respectively different manners, crushing them, and then mixing the crushed matters to combine them so as to make efficient use of the lower base part especially rich in a β-glucan content in the Pleurotus cornucopiae having a large β-glucan content.SELECTED DRAWING: Figure 1
Patent JP-2020033988-A (JP)
Title: Scroll compressor
Inventor: TANAKA YUTA
IPC: F04C18/02
Filed: 2018-08-31
Abstract: To suppress deterioration of filtration performance.SOLUTION: A filter 63 has a mesh part 64, and a holding part 65. The holding part 65 is elastically pressed to be in close contact with a gasket 53.SELECTED DRAWING: Figure 4
Patent JP-2020038033-A (JP)
Title: Seat air conditioning system
Inventor: IWATA TAKURO
IPC: B60N2/56
Filed: 2018-09-04
Abstract: To provide a proper thermal environment according to a thermal state of a user using a seat.SOLUTION: A seat air conditioning system 100 includes: a seat 10 which blows conditioned air; radiation panels 14A which are installed at positions which are different from a seat surface part 10B of the seat 10 and a backrest part 10A of the seat 10 and is one example of elements which enable heat transmission by radiation; and a control part 18. The control part 18 controls a first mode indicating a mode in which the conditioned air is blown from at least one of the seat surface part 10B of the seat 10 and the backrest part 10A of the seat 10 and a second mode indicating a mode in which cooling or heating by the heat radiation panels 14A is performed.SELECTED DRAWING: Figure 1
Patent JP-2019122952-A (JP)
Title: Liquid treatment apparatus
Inventor: SHIRAISHI HITOSHI
IPC: B63B13/00
Filed: 2018-09-11
Abstract: To provide a liquid treatment apparatus capable of suppressing generation of vibration.SOLUTION: A water treatment apparatus 1 includes a filter 20 formed cylindrically, a drain pipe part 42 arranged inside the filter 20, a nozzle part 41 in which the base end side is connected to the drain pipe part 42, and the tip side is arranged on a position close to or abutting on the inner peripheral surface of the filter 20 and opened, and water can be circulated from the tip side to the base end side, and a gas introduction part 70 for introducing gas into at least either of the drain pipe part 42 and the nozzle part 41.SELECTED DRAWING: Figure 1
Patent JP-2020045251-A (JP)
Title: Cutting method of glass
Inventor: NAKAZAWA TAKASHI
IPC: C03B33/09
Filed: 2018-09-14
Abstract: To precisely cut glass at a specified location.SOLUTION: A cutting method of glass includes a laser irradiation step S1 (treatment of steps S13-S17) for irradiating a target tabular glass plate 1 with a laser beam in the direction vertical to the surface of the glass plate to form a plurality of modified layers 21 that do not reach the glass surface and an etching step S3 (treatment of step S18) for etching the glass plate 1 with a plurality of the modified layers formed in a laser irradiation step S2. In the laser irradiation step S2, a plurality of the modified layers 21 are formed each at a location where the distance from one surface of the glass plate does not overlap on the surface of the glass plate 1 and the surface vertical to the cut surface.SELECTED DRAWING: Figure 20
Patent JP-2020046481-A (JP)
Title: Image forming apparatus and control method for image forming apparatus
Inventor: KUME TAKAO
IPC: G03G15/08
Filed: 2018-09-14
Abstract: To appropriately set rotation speed difference or a rotation speed ratio between an image carrier and a developer carrier when driving a plurality of developer carriers using a common driving source.SOLUTION: An image forming apparatus includes: a plurality of image carriers; a plurality of developer carriers arranged corresponding to the image carriers; driving means for rotationally driving the developer carriers in common; control means for controlling rotational driving and formation of a toner patch by the image carrier; and detection means for detecting information on a developer of the toner patch. The control means controls rotational driving by a first mode using a first driving condition including a first peripheral speed ratio between the developer carrier and the image carrier and a second mode using a second driving condition including a second peripheral speed ratio larger than the first peripheral speed ratio. The control means causes the image carrier to form the toner patch for each different peripheral speed ratio, and set the second driving condition on the basis of the detected information.SELECTED DRAWING: Figure 1
Patent JP-2020046900-A (JP)
Title: Automatic driving assistance system and automatic driving assistance method
Inventor: TAKAHASHI KAZUHISA
IPC: B60W40/04
Filed: 2018-09-19
Abstract: To provide an automatic driving assistance system which enables high-safety platoon traveling to be implemented in automatic driving, and an automatic driving assistance method.SOLUTION: A first vehicle 2a transmits traveling system information Sb on itself relating to a vehicle travel to a following second vehicle 2b which travels in a platoon, via a light-emitting pattern of light of a light-emitting unit which is provided in a vehicle body. The second vehicle 2b images the light-emitting pattern of the light that is transmitted from the first vehicle 2a traveling ahead, by an imaging section 6. An actuation processing section 17 of the second vehicle 2b analyzes the light-emitting pattern of the light from the picked-up image of the imaging section 6 and causes the second vehicle 2b to execute automatic traveling on the basis of the light-emitting pattern.SELECTED DRAWING: Figure 1
Patent JP-2019031087-A (JP)
Title: Multilayer erosion resistant protective films
Inventor: RYAN E MARX
IPC: B32B27/00
Filed: 2018-09-20
Abstract: To provide multilayer polymeric films which may be useful for protecting the leading edges of aircraft from rain and sand erosion.SOLUTION: There is provided surface protection films comprising two or more layers of a first material comprising a first polymer and one or more layers of a second material comprising a second polymer laminated alternately with the first material, where the first and second materials are different materials, and wherein Shore hardness of the first material is greater than Shore hardness of the second material and the difference exceeds 5A.SELECTED DRAWING: Figure 1
Patent JP-2020047133-A (JP)
Title: Information processing apparatus, information processing method, information processing program, and recording medium
Inventor: OBATA KENSAKU
IPC: G08G1/00
Filed: 2018-09-21
Abstract: To provide an information processing apparatus, an information processing method, an information processing program, and a recording medium that can effectively assist in calling attention to a dead angle.SOLUTION: An information processing apparatus 100 comprises: a sound acquisition unit 110 that acquires a sound outside a movable body 1; an image acquisition unit 120 that acquires an image outside the movable body 1; a position acquisition unit 130 that acquires the position of the movable body 1; and a storage unit 170 that, when the outside sound includes a predetermined caution sound and a source of the caution sound is not included in the outside image, stores individual caution information on the position acquired by the position acquisition unit 130 or an area including the position.SELECTED DRAWING: Figure 1
Patent JP-2020045730-A (JP)
Title: Concrete filling detection device and method
Inventor: NAKAMURA YOSHIHIKO
IPC: E04G21/02
Filed: 2018-09-21
Abstract: To provide a concrete filling detection device and a method capable of detecting a filling of concrete surely without leaving a gap.SOLUTION: One end side of an optical fiber 10 with one end side coated by an absorption body 20 is arranged at a concrete installation site, and reflection light of light output into the absorption body 20 from one end of the optical fiber 10 is input from one end of the optical fiber 10 and detected by a detection part 20. A determination part 40 determines whether one end side of the optical fiber 10 is filled with fresh concrete C or not based on a change of detection light L caused by a cement milk absorbed by the absorption body 20. Therefore, the determination part 40 does not determine that it is filled with concrete when only a cement milk dispersed in the gap during concrete filling adheres to the absorption body 20, and concrete filling can be detected surely without leaving a gap.SELECTED DRAWING: Figure 6
Patent JP-2019063869-A (JP)
Title: Soldering device
Inventor: KUROE TOSHIO
IPC: H05K3/34
Filed: 2018-09-21
Abstract: To enable transmission of ultrasonic vibration in the same direction with a jet stream direction of molten solder, while keeping satisfactory maintenance workability.SOLUTION: A horn (32) of an ultrasonic vibration unit (30) extends in a direction crossing a jet stream direction in which solder flows inside a jet nozzle (20). A vibration direction changing part (35) is provided on the tip portion of the horn (32). By the vibration direction changing part (35), the transmission direction of vibration, which advances from an ultrasonic vibrator (31) toward the vibration direction changing part (35) via the horn (32), is changed to a direction toward the jet stream direction of the jet nozzle (20).SELECTED DRAWING: Figure 1
Patent JP-2020053786-A (JP)
Title: wireless device
Inventor: OKUBO HIROSHI
IPC: H04B1/10
Filed: 2018-09-26
Abstract: To provide a wireless device capable of determining whether a received signal is a desired wave from an opposite wireless device or a transmission noise from a nearby transmitter.SOLUTION: A wireless device includes a demodulator that demodulates an amplitude-modulated high-frequency signal, a first circuit that converts the high-frequency signal into a first DC signal, a voice removing circuit that removes a voice component of a demodulated signal demodulated by the demodulator to generate a high frequency noise signal, a second circuit that converts the noise signal generated by the voice removing circuit into a second DC signal, and a determination circuit that determines whether to cut off a voice signal obtained by band-limiting the demodulated signal demodulated by the demodulator in the voice band on the basis of the signal obtained by correcting the first DC signal with the second DC signal.SELECTED DRAWING: Figure 3
Patent JP-2019043139-A (JP)
Title: cartridge
Inventor: AOKI YUJI
IPC: B41J2/175
Filed: 2018-09-27
Abstract: To provide a technique for excellently achieving contact between a cartridge side terminal group and a device side terminal group.SOLUTION: A printer comprises: a front face; a rear face; a first side face; a second side face; a third side face; a fourth side face; and a recessed portion. The recessed portion has an opening, first and second side walls and a bottom wall. The bottom wall has an inclined face inclined toward a direction including a -Y axial component and a +X axial component. A cartridge side terminal group is provided on the inclined face. A first regulation section being brought into contact with a first positioning section in a +Z axis direction and a +X axis direction in an attachment state and regulating movement of a device side terminal section at +Z axis direction and +X axis direction sides is provided to the first side wall. A second regulation section being brought into contact with a second positioning section in the +Z axis direction and a -X axis direction in an attachment state and regulating the movement of the device side terminal section in the +Z axis direction and the -X axis direction is provided to the second side wall.SELECTED DRAWING: Figure 28
Patent JP-2020050136-A (JP)
Title: Strut type suspension device for in-wheel motor drive device
Inventor: TAIKO MASAYA
IPC: B60G3/28
Filed: 2018-09-27
Abstract: To provide a strut type suspension device capable of reducing vibration peculiar to an in-wheel motor.SOLUTION: The strut type suspension device 40 for an in-wheel motor drive device has a strut 41 whose lower end is connected to an in-wheel motor drive device 10 and whose upper end 43 is attached to a vehicle body side member, a lower arm 48 which is disposed below the strut 41 and has a vehicle width direction outer end rotatably connected to the in-wheel motor drive device 10 and a vehicle width direction inner end swingably attached to the vehicle body side member, and a connection point (outer ball joint 77) that is rotatably connected to a tie rod 75 that extends from a steering device mounted on the vehicle body-side member and that is turned with the in-wheel motor drive device 10. The in-wheel motor drive device 10 is arranged in the inner space area of a steered wheel road wheel W, and the connection point (outer ball joint 77) is arranged on the outer diameter side and above the steered wheel road wheel W.SELECTED DRAWING: Figure 2
Patent JP-2020051975-A (JP)
Title: On-vehicle light device
Inventor: IWAI HIROSHI
IPC: F21S45/10
Filed: 2018-09-28
Abstract: To provide an on-vehicle light device in which a radar device and a lighting fixture are integrally constituted and which furthermore can simultaneously satisfy improvement of radar performance, space saving, improvement of design of a vehicle appearance, and the like.SOLUTION: An on-vehicle light device for monitoring an area outside a vehicle in a first direction is provided that comprises; a lighting fixture unit 20 emitting light in the first direction; a radar unit 10 including a circuit board 11 disposed below or above the lighting fixture unit 20 and an antenna unit 12 disposed in the board surface of the circuit board 11 and transmitting an electromagnetic wave in the first direction and receiving its reflection wave; and a resin material 40 disposed in the first direction side of the radar unit 10 and including a lens part 40a in an area which the radio waves path through.SELECTED DRAWING: Figure 2
Patent JP-2020052000-A (JP)
Title: Optical encoder
Inventor: NAITO SHUNJI
IPC: G01D5/347
Filed: 2018-09-28
Abstract: To provide an optical encoder which is free of mechanical sliding contact portions, and with which it is possible to improve durability significantly.SOLUTION: Provided is an optical encoder 1 comprising a circuit board 30 to which photosensors (light emitting/receiving elements) 33, 35 are attached and a rotor 60 installed facing the circuit board 30, the optical encoder 1 outputting an electric signal of the waveform that corresponds to the rotation position of the rotor 60 using the light emitted from light emitting parts 331, 351 of the photosensors 33, 35. The rotor 60 is provided with a reflection part 615 that reflects the light emitted from the light emitting parts 331, 351. The circuit board 30 has, mounted on the same board, the photosensors 33, 35 and a signal processing circuit 37 for converting the electric signals outputted from the light receiving parts 333, 353 of the photosensors 33, 35 into desired electric signals and outputting these. The signal processing circuit 37 converts the waveforms of electric signals outputted from the photosensors 33, 35 into square waves.SELECTED DRAWING: Figure 6
Patent JP-2020056089-A (JP)
Title: Method for treating iron-containing dust
Inventor: YAMAGUCHI TOYOJI
IPC: C22B7/02
Filed: 2018-10-04
Abstract: To provide a method for treating iron-containing dust, which can treat a dust slurry without performing an aging treatment without using a nozzle for spraying inert gas and dust.SOLUTION: Provided is a method for treating iron-containing dust, where a pH of a slurry, which contains iron-containing dust generated during an ironmaking process, is adjusted in a predetermined range and the slurry is subjected to an oxidation treatment.SELECTED DRAWING: Figure 1
Patent JP-2020060466-A (JP)
Inventor: EZAKI YASUSHI
IPC: G01N21/954
Filed: 2018-10-11
Abstract: 【課題】被検査体の円筒状内面の粗さを的確に判定するとともに、加工チップ等を無駄にすることなく不良品の大量発生を防ぐための予兆管理が可能な内面粗さ検査装置を提供する。【解決手段】被検査体の円筒状内面に当てたレーザ光の反射光量を測定し、反射光量の違いによって粗さを検査する内面粗さ検査装置１００であって、判定対象部位の円周方向又は軸方向に設定された複数の判定ライン上の反射光量に基づいて、各々の判定ラインが粗ラインであるか否かを判定する粗ライン判定手段と、複数の判定ラインに対する粗ラインの割合が予め定めた値以上の場合に、被検査体を不合格と判定する不合格判定手段とを有する。また、不合格判定手段が予め定めた回数連続して不合格と判定した場合に、連続異常と判定する連続異常判定手段を有することが好ましい。【選択図】図１
Patent JP-2020062295-A (JP)
Title: Game machine
Inventor: KATO YUJI
IPC: A63F7/02
Filed: 2018-10-18
Abstract: To provide a game machine capable of executing a performance that suggests a set value according to intention of a player and executing a performance with a lot of interest.SOLUTION: A game machine includes: setting means capable of setting a value to any of a plurality of types of set values with different degrees of advantage for a player on the basis of operation of first operation means 62, 63 provided on the back side of a game board 2; setting suggestion performance control means for executing a setting suggestion performance for suggesting the set value; and privilege right imparting means for imparting a privilege right to enable the setting suggestion performance, according to satisfaction of a predetermined condition. The setting suggestion performance control means executes the setting suggestion performance according to the operation of second operation means 15 provided on the front side of the game board 2, on the condition that the privilege right is imparted.SELECTED DRAWING: Figure 29
Patent JP-2020065409-A (JP)
Title: Leakage current reduction circuit
Inventor: AZUMA KAZUAKI
IPC: H02M7/48
Filed: 2018-10-19
Abstract: To provide a small size leakage current reduction circuit capable of generating an anti-phase waveform requiring no extra complicated controller at low cost.SOLUTION: The leakage current reduction circuit includes: a power supply filter circuit to which a power supply voltage is input from an AC power supply; a rectification and boost converter that is connected to the output side of the power supply filter circuit; and an inverter circuit connected to the output side of the rectification and boost converter. An inverter noise detection coil is disposed between the power supply filter circuit and the rectification and boost converter at the output side of the coil and elements with different polarities are placed one above the other to cancel the leakage current using inverter noises detected by the coil.SELECTED DRAWING: Figure 2
Patent JP-2020067369-A (JP)
Title: Distance/velocity measurement device and distance/velocity measurement program
Inventor: HORIUCHI HIDEKI
IPC: G01S7/524
Filed: 2018-10-24
Abstract: To highly accurately measure distance and speed of an underwater target located farther than underwater bubbles regardless of the presence of the underwater bubbles.SOLUTION: A distance/velocity measurement device 2 is disclosed that comprises: an ultrasonic control part 21 r controlling frequency of an ultrasonic wave irradiated into the water to a plurality of types; and a distance/velocity measuring part 22 measuring at least one of distance and speed of an underwater target after selecting the optimum frequency from among a plurality of kinds of frequencies so as to optimize a trade-off between low intensity of the ultrasonic wave reflected from the underwater bubbles and improvement of resolution of at least one of the distance and/or the speed of the underwater target located farther than the underwater bubbles.SELECTED DRAWING: Figure 1