baber/WOPTO huggingface dataset:
Patent JP-2020116842-A (JP)
Title: Liquid discharge device, head control unit, and head unit
Inventor: UESHIMA MASAYUKI
IPC: B41J29/00
Filed: 2019-01-24
Abstract: To provide a liquid discharge device capable of improving control speed of the liquid discharge device.SOLUTION: A liquid discharge device includes: a head control unit for controlling the operation of a head unit which has a first conversion circuit for converting an image signal input from the outside into a first electric signal and a first photoelectric conversion circuit for converting the first electric signal into an optical signal; and a head unit for discharging liquid from a nozzle which has a second photoelectric conversion circuit for converting the optical signal into a second electric signal, a second conversion circuit for converting the second electric signal into a discharge control signal for controlling discharge of liquid from the nozzle, and a liquid discharge head which has a driving element driven on the basis of the discharge control signal and discharges liquid from the nozzle by driving the driving element. The first conversion circuit executes first conversion processing for converting the image signal into the first electric signal without depending on discharge information on liquid discharged from the liquid discharge head. The second conversion circuit executes second conversion processing for converting the second electric signal into the discharge control signal using the discharge information.SELECTED DRAWING: Figure 14
Patent JP-2020119390-A (JP)
Title: Communication control device and communication control system
Inventor: HATANAKA ISSEI
IPC: H04W12/02
Filed: 2019-01-25
Abstract: To provide a communication control device and a communication control system that can improve the safety of a social infrastructure system without changing the social infrastructure system.SOLUTION: A communication control device of an embodiment includes a communication unit and a notification unit. The communication unit communicates with a first device and a second device, wirelessly communicates with at least one of the first device and the second device, and transmits data acquired by the first device to the second device. The notification unit causes the communication unit to transmit predetermined information toward the second device when a communication state with the first device is a predetermined state or behavior of the communication control device is a predetermined behavior.SELECTED DRAWING: Figure 3
Patent JP-2020121510-A (JP)
Title: Inkjet recording method
Inventor: ITO ATSUSHI
IPC: B41J2/01
Filed: 2019-01-31
Abstract: To provide an inkjet recording method exerting excellent adhesion between a swellable recording medium after ink adhesion and a laminate film.SOLUTION: The inkjet recording method includes: an ink-sticking process of sticking an ink composition to a swellable recording medium by discharging the ink composition from an inkjet head; a laminate processing process of coating a surface of the swellable recording medium with a laminate film, where the ejection amount of each constituent contained in the ink composition in the ink-sticking process satisfies a condition represented by the following formula (1): X×0.35+Y≤1.56 (1). In the formula, X is an ejection amount per unit area (unit: mg/inch) of a total organic solvent excluding a compound having 3 hydroxyl groups contained in the ink composition, and a dye, and Y is an ejection amount per unit area (unit: mg/inch) of a compound having 3 hydroxyl groups contained in the ink composition (excluding a compound having nitrogen).SELECTED DRAWING: None
Patent JP-2020124749-A (JP)
Title: Container holding device
Inventor: ANDO SHIRO
IPC: B25J15/08
Filed: 2019-02-01
Abstract: To provide a container holding device which can hold a container with a simple structure without using a gear and lubrication oil.SOLUTION: A container holding device includes: a pair of grippers 3a, 3b which moves in an opening and closing manner between a holding position at which the pair of grippers 3a, 3b holds a container 2 and an open position at which the pair of grippers 3a, 3b opens; a pair of support shafts 4a, 4b provided parallel to each other to rotatably support each gripper 3a, 3b; a driving lever 7 attached to one of the support shafts; an operation lever 10 attached to the other of the support shafts; a link mechanism 11 which comprises a cam 12 provided at one of the driving lever 7 and the operation lever 10 and a cam follower provided at the other of the driving lever 7 and the operation lever 10 and connects the driving lever 7 to the operation lever 10 to transmit driving for opening/closing; and a driving mechanism 8 which causes the driving lever 7 to rotate with the support shaft 4a.SELECTED DRAWING: Figure 2
Patent JP-2020125961-A (JP)
Title: Method for measuring core diameter of plastic optical fiber and device for measuring core diameter of plastic optical fiber used therefor
Inventor: SAKAMOTO MASARU
IPC: G01B11/10
Filed: 2019-02-04
Abstract: To provide a POF core diameter measuring device and a POF core diameter measuring method with which it is possible to accurately measure the core diameter of a plastic optical fiber (POF).SOLUTION: The POF core diameter measuring device comprises: light radiation means 2, 2' for radiating light toward a side face of a POF 1; imaging means 3, 3' provided to the POF 1 on the side opposite the light radiation means 2, 2'; first polar screens 4, 4' arranged between the light radiation means 2, 2' and the POF 1; second polar screens 5, 5' arranged between the imaging means 3, 3' and the POF 1; and data processing means for processing the image data of the POF 1 obtained by the imaging means 3, 3' and calculating the core diameter of the POF 1.SELECTED DRAWING: Figure 1
Patent JP-2020126162-A (JP)
Title: Image display light guide plate
Inventor: FUNAYAMA KATSUYA
IPC: G02B27/01
Filed: 2019-02-05
Abstract: To provide an image display light guide plate capable of reducing the influence of yellowing of a transparent material on a display image.SOLUTION: An image display light guide plate 5 is provided, comprising a resin substrate 1, a holographic layer 2, and an absorption layer 4. The absorption layer 4 has an absorption peak in a wavelength range of 500 to 600 nm, inclusive.SELECTED DRAWING: Figure 1
Patent JP-2020019569-A (JP)
Title: Letter Set
Inventor: OTA TOSHIJI
IPC: B65D27/00
Filed: 2019-02-08
Abstract: To provide a letter set of a letter pad and an envelope having no anxiety by minimizing an opening part of the envelope, in the envelope which is formed of a surface and a back surface whose shapes are other than rectangular shapes.SOLUTION: In a letter set constituted of an envelope which is formed of a surface F1 and a back surface, and in which the surface F1 and the back surface are congruent with respect to each other, and a letter pad which is similar to the surface F1 and the back surface in a shape, and whose size is slightly smaller than the surface F1 and the back surface, shapes of a contour lines OL of the surface F1 and the back surface are closed curves, the surface F1 and the back surface are joined to each other by a contour line part OLA, a point P1 and a point P2 are located in the vicinity of the contour line OL of a face at a front side of the surface F1 so as to pass the center of gravity of the surface F1, and an envelope slit SLT with the point P1 and the point P2 as both ends is formed so as to penetrate the surface F1.SELECTED DRAWING: Figure 1
Patent JP-2020129309-A (JP)
Title: Business card exchange system, application program, and business card exchange method
Inventor: MIURA KATSUNORI
IPC: G06Q50/10
Filed: 2019-02-08
Abstract: To provide a business card exchange system, an application program, and a business card exchange method capable of further expanding personal connections.SOLUTION: A control unit of a business card exchange system, for third users who have indirectly exchanged business cards with first users, when disclosure restriction information of the third users is set to non-disclosure, business card information of the third users Is controlled not to be displayed on terminal devices of the first users, when the disclosure restriction information of the third users themselves is set to disclosure, refers to tree information and detects fourth users who are users on routes from the first users to the third users in trees having the first users at tops, when disclosure restriction information of at least one of the fourth users is set to non-disclosure, controls not to display business card information of the third users on the terminal devices of the first users, and when disclosure restriction information of all the fourth users is set to disclosure, controls to display the business card information of the third users on the terminal devices of the first users.SELECTED DRAWING: Figure 3
Patent JP-2020128240-A (JP)
Title: Plastic container for warming
Inventor: HIROSE KAZUYA
IPC: B65D1/46
Filed: 2019-02-08
Abstract: To provide a plastic container for warmed sale warming that can be stored in an automatic dispenser even if a size of a container changes due to deformation with increase in a container internal pressure when warming.SOLUTION: In a plastic container for warming 1 with a volume of 450 ml to 550 ml, a body portion includes an upper cylindrical portion 40, an intermediate cylindrical portion 50 connected to the upper cylindrical portion 40, and a lower cylindrical portion 60 connected to the intermediate cylindrical portion. The intermediate cylindrical portion is substantially cylindrical shape having a cylindrical surface 51, and the cylindrical surface of the intermediate cylindrical portion is provided with a plurality of pressure absorption panels 52 in a circumferential direction. Four to ten of the pressure absorption panels are provided. The entire height H of the plastic container for warming is between 180 mm to 204 mm, a max body diameter D of the plastic container for warming is between 65 mm to 69 mm. Even when a size of the container changes due to deformation with increment of a container internal pressure when warning, the size of the container when deformation is within a size range capable of accommodating it in a product accommodating rack of a general automatic dispenser.SELECTED DRAWING: Figure 1
Patent JP-2020133418-A (JP)
Title: Control system of internal combustion engine
Inventor: TANAKA TOSHIYUKI
IPC: F02B37/00
Filed: 2019-02-13
Abstract: To provide a control system of an internal combustion engine capable of reducing a feedback amount to a base opening of a main variable nozzle mechanism in a single turbo mode, and having excellent followability to a target supercharging pressure.SOLUTION: A control system of an internal combustion engine includes a main turbo charger, an auxiliary turbo charger connected with the main turbo charger in parallel, an exhaust gas changeover valve, a main variable nozzle mechanism for adjusting a flow velocity of an exhaust gas to a main turbine by a nozzle opening, and a control device. The control device is constituted to have a mode determination portion for determining whether the exhaust gas changeover valve is in a single turbo mode to be switched to a valve close state or not, a base opening acquisition portion for acquiring a base opening as a reference nozzle opening of the main variable nozzle mechanism in the single turbo mode when the single turbo mode is determined by the mode determination portion, and a base opening correction portion for correcting the base opening according to a cutoff property of the exhaust gas changeover valve in the single turbo mode.SELECTED DRAWING: Figure 2
Patent JP-2020131461-A (JP)
Title: Release film
Inventor: YAMAMOTO SEIJI
IPC: B32B27/20
Filed: 2019-02-14
Abstract: To provide a release film which can suppress occurrence of wrinkles while maintaining releasability, suppresses sticking to a hot press plate, and is suitable for manufacture of a flexible circuit board.SOLUTION: A release film includes an intermediate layer, a first release layer laminated on one surface of the intermediate layer and a second release layer laminated on the other surface of the intermediate layer, in which the first release layer contains a first thermoplastic resin and first inorganic particles, an unevenness average interval Sm of the outer surface of the first release layer is 100 μm or more and 350 μm or less, the second release layer contains a second thermoplastic resin and second inorganic particles, and a ten-point average height roughness Rz of the outer surface of the second release layer is 6.5 μm or more and 15 μm or less.SELECTED DRAWING: None
Patent JP-2020130369-A (JP)
Title: sewing machine
Inventor: SATO MITSURU
IPC: D05B27/24
Filed: 2019-02-15
Abstract: To provide a sewing machine capable of feeding a cloth surely by a feed dog during sewing work, and capable of positioning the feed dog sufficiently further on the lower side than a needle plate top surface when the feed dog is retreated.SOLUTION: A sewing machine includes: a feed dog 3 protruding from/retreating into a needle plate 1; a pressing metal 2 opposing to the upper part of the feed dog 3; a lateral feeding drive part 8 for converting the rotation of a drive shaft 7 into a laterally reciprocating motion and transmitting it to the feed dog; a vertical drive part 9 for converting the rotation of the drive shaft 7 into a vertically reciprocating motion and transmitting it to the feed dog; a vertical movement distance change part 26 for changing the vertically reciprocating movement distance of the feed dog 3; and a vertical position change part for moving folding points P of both ends in a forward path and a return path when the feed dog 3 is laterally reciprocating to the lower side of the needle plate 1.SELECTED DRAWING: Figure 1
Patent JP-2020136843-A (JP)
Title: Image processing apparatus
Inventor: KAWASHIMA MASAHIRO
IPC: H04N1/409
Filed: 2019-02-18
Abstract: To provide an image processing apparatus which can sharpen an edge portion of a character or the like contained in image data, and also maintain smoothness of the edge portion.SOLUTION: In an inkjet printing apparatus, an image processing unit 21 includes: an image data receiving unit 30 that receives image data which has been read out from an original image: a dense portion detection unit 32 that detects a dense portion at which lines are densely packed, in the image data; an edge detection unit 33 that detects the edge portion contained in the image data; and an edge enhancement processing unit 34 that performs edge enhancement processing. The edge enhancement processing unit 34 subjects a pixel of the dense portion to first edge enhancement processing; and subjects a pixel that exists in another region than the dense portion, is a pixel of an edge portion, and is a pixel of which the density is a preset threshold of density or lower, to second edge enhancement processing, in which an intensity of the first edge enhancement processing is higher than the intensity of the second edge enhancement processing.SELECTED DRAWING: Figure 2
Patent JP-2020130676-A (JP)
Title: Slot machine
Inventor: OGURA TOSHIO
IPC: A63F5/04
Filed: 2019-02-21
Abstract: To execute control of notification according to states by creating the states with different game value acquisition speeds.SOLUTION: Control of executing navigation notification of a correct procedure of a depressing-order bell in AT is executed at a rate of 100%, while control of executing navigation notification of the depressing-order bell in a pseudo bonus is executed at a rate of 70%. When a common bell is drawn, control of executing navigation notification of left, middle, and right is executed at different rates according to whether it is AT or the pseudo bonus. Accordingly, this configuration creates a first specific state (e.g., the pseudo bonus) and a second specific state (e.g., AT) whose token acquisition speeds are different, and, when the common bell having no influence on token acquisition speed is drawn, execute the navigation notification in accordance with the rate of executing the navigation performance in the state.SELECTED DRAWING: Figure 16
Patent JP-2020134047-A (JP)
Title: Denitration device
Inventor: TSUTSUMI RYUJI
IPC: F23J15/00
Filed: 2019-02-21
Abstract: To provide a denitration device in which an exhaust gas and a denitration agent can be evenly mixed, in which deviation hardly occurs in the flow of an exhaust gas to be introduced in a fixed bed, and in which denitration efficiency is extremely high.SOLUTION: A denitration device includes a reactor duct 6 having a flow passage for flowing an exhaust gas from a boiler. In the reactor duct, a screen plate 3 and a fixed catalyst bed 4 are provided in this order along the flow of the exhaust gas. The screen plate comprises a plurality of beams and a plurality of screen plate units provided on the entrance side in the reactor duct, and the screen plate unit is fitted between the beams.SELECTED DRAWING: Figure 2
Patent JP-2020134071-A (JP)
Title: Water heater
Inventor: ISHIZAKI SATOSHI
IPC: F24H9/00
Filed: 2019-02-25
Abstract: To restrain formation of scale in a water heater.SOLUTION: A water heater comprises a water circuit F comprising a pump 5 for sending water, a heating source, and a heat exchange part 2 in which the water flowing through the water circuit F receives heat from the heating source. The pump 5 passes the water toward a lower side from an upper side of the heat exchange part 2.SELECTED DRAWING: Figure 1
Patent JP-2020138218-A (JP)
Title: Cold rolling method and cold rolling facility for metal strip
Inventor: WATANABE NAOKI
IPC: B21B37/32
Filed: 2019-02-28
Abstract: To propose a cold rolling method that controls a friction coefficient between a metal strip and a work roll into a proper range in response to variations in material and dimensions of a metal strip or surface roughness of a work roll, and to provide a cold rolling facility for use with the method.SOLUTION: A cold rolling method for a metal strip that controls a friction coefficient between the metal strip and a work roll is within a predetermined value, by adjusting an amount of adhesion, to a metal strip surface, oil content contained in a high concentration coolant injected on an upstream side of an injection position of the low concentration coolant by changing the oil content concentration contained in the high concentration coolant or changing a distance between a high concentration coolant injection position and a work roll, when rolling the metal strip by injecting the high concentration coolant higher in the oil concentration in the low concentration coolant on the upstream side, by injecting the low concentration coolant of 1-4 mass% in the oil content concentration. A cold rolling facility used for such rolling is also provided.SELECTED DRAWING: Figure 2
Patent JP-2020138945-A (JP)
Title: Cyclacene precursor and method for producing the same, and heterocyclacene precursor and method for producing the same
Inventor: HAYASHI HIRONOBU
IPC: C07D487/22
Filed: 2019-02-28
Abstract: To provide a compound that is useful for the synthesis of a zigzag type carbon nanotube.SOLUTION: The present invention is a cyclacene precursor, in which, when certain one benzene ring of a cyclacene, in which 2(m+n) benzene rings (m and n are each an integer of 2 or more) are cyclically condensed, is designated as a 1st benzene ring and numbering is done in order from there, the 1st benzene ring, the (m+1)th benzene ring, the (m+n+1)th benzene ring, and the (2 m+n+1)th benzene ring have a bridge structure represented by the following formula (1) or (2) between the 1st position and the 4th position in each benzene ring.SELECTED DRAWING: None
Patent JP-2020140152-A (JP)
Title: Display device
Inventor: AKASA RYUICHI
IPC: G02F1/13
Filed: 2019-03-01
Abstract: To provide a display device characteristic of good appearance of a border between a colored frame and a translucent part.SOLUTION: A display device 100 to be installed in a vehicle includes a display part 10, a translucent part 30, and a frame 42. The display part 10 displays information concerning a vehicle. The translucent part 30 is a tabular member located on the side of the face of the display part 10 and exhibiting translucency. The frame 42 is located at a perimetric end of the translucent part 30, and covers the face of the translucent unit 30 over the perimetric end. A chromatic layer is formed on the face of the frame 42, and the frame 42 is colored with a predetermined color. A groove 31 that is dented toward the back is formed in the face of a portion of the translucent part 30 adjoining the frame 42.SELECTED DRAWING: Figure 2
Patent JP-2020143716-A (JP)
Title: Clutch mechanism and motor with clutch mechanism
Inventor: HAYATA SEIKI
IPC: H02K7/116
Filed: 2019-03-05
Abstract: To provide a clutch mechanism capable of suppressing sliding of a clutch, suppressing occurrence of backlash and further suppressing damage of the clutch caused by overload, and a motor with the clutch mechanism.SOLUTION: In a clutch mechanism 3, a lock plate 12 is rotatably accommodated in a housing 15, and a lock-side brake part 38 of the lock plate is pressed to an input-side brake part of an input-side case 57 at all the time by an elastic member 14. When transmitting drive power to the lock plate, the lock plate is displaced in a direction away from the input-side brake part of the input-side case against a pressing force of the elastic member.SELECTED DRAWING: Figure 3
Patent JP-2020143624-A (JP)
Title: Compressor
Inventor: NAMIKI KEN
IPC: F04C18/344
Filed: 2019-03-06
Abstract: To provide a compressor in which the leakage of compressed fluid in a compression space into a suction space can be suppressed.SOLUTION: A compressor 10 comprises a rotary shaft 12, a rotary body 60 rotating with the rotation of the rotary shaft 12, a front stationary body 90 not rotating with the rotation of the rotary shaft 12, a vane 131 inserted into a vane groove 130 formed in the rotary body 60 and rotating while moving in an axial direction Z with the rotation of the rotary body 60, and a front compression chamber A4 defined by using a front rotary body face 71 and a front stationary body face 100. The front stationary body face 100 includes a second front flat face 102 abutting on the front rotary body face 71. The compressor 10 further comprises an oil supply passage 180 for supplying oil to a front abutment area Pf as an abutment area between the front rotary body face 71 and the second front flat face 102.SELECTED DRAWING: Figure 4
Patent JP-2020143251-A (JP)
Title: Nitrile rubber composition and rubber crosslinked product
Inventor: HERAI HIROKI
IPC: C08K5/17
Filed: 2019-03-08
Abstract: To provide a nitrile rubber composition capable of giving a rubber crosslinked product excellent in long life coolant resistance (LLC resistance) and compression set resistance.SOLUTION: There is provided a nitrile rubber composition containing: a carboxyl group-containing nitrile rubber which contains an α,β-ethylenically unsaturated dicarboxylic acid monoester monomer unit at a ratio of 0.1-20 wt.% and has an iodine value of 120 or less, a total content of sodium, calcium and magnesium of 130-1,000 wt. ppm, and a sodium content of 600 wt. ppm or less; and a filler containing silicon.SELECTED DRAWING: None