baber/WOPTO huggingface dataset:
Patent JP-2019004064-A (JP)
Title: Multi-beam semiconductor laser element and multi-beam semiconductor laser device
Inventor: INOUE HIROTAKA
IPC: H01S5/22
Filed: 2017-06-16
Abstract: To provide a multi-beam semiconductor laser element and a multi-beam semiconductor laser device which are capable of independently activating multiple beams with a narrow pitch and stability.SOLUTION: A multi-beam semiconductor laser element (semiconductor chip) 20 comprises a semiconductor layer formed over a semiconductor substrate 21, and including an n-type clad layer 22, an active layer 23, a p-type first clad layer 24 and a p-type second clad layer 25. The semiconductor chip 20 comprises: a plurality of ridge parts 27 formed on the p-type second clad layer 25, extending along a light outgoing direction from a front end face to a rear end face, and arrayed in order along a direction orthogonal to the light outgoing direction; a plurality of conductive layers 30 and 31 formed on the plurality of ridge parts 27 respectively; and a concave part 32 formed on a face to be joined to a submount of the second conductive layer 31 along the light outgoing direction.SELECTED DRAWING: Figure 2
Patent JP-2019004394-A (JP)
Title: Howling preventing device and telephone apparatus
Inventor: BABA YOSHIHIRO
IPC: H04R3/02
Filed: 2017-06-16
Abstract: To prevent the occurrence of a howling at high efficiency without eliminating a conversation with a communication partner.SOLUTION: A howling preventing device comprises: a microphone input signal measurement part 13 that measures a sound volume level of a microphone input signal; a reception signal measurement part 14 that measures the sound volume level of a reception signal; a transmission signal adjustment part 15 that adjusts the sound volume level of the transmission signal; a speaker output signal adjustment part 16 that adjusts the sound volume level of a speaker output signal; a determination part 17 determining that a telephone apparatus 1 is a transmission side or a reception side on the basis of a comparison result of the sound volume level of the microphone input signal and the sound volume level of the reception signal; and a control part 18 that controls the transmission signal adjustment part 15 and the speaker output signal adjustment part 16 on the basis of a determination result. When it is determined that the telephone apparatus is the transmission side, the control part 18 reduces the sound volume level of the speaker output signal by controlling the speaker output signal adjustment part 16. When it is determined that the telephone apparatus is the reception side, the control part reduces the sound volume level of the transmission signal by controlling the transmission signal adjustment part 15.SELECTED DRAWING: Figure 1
Patent JP-2018032380-A (JP)
Title: Finite element modeling and analysis of crack propagation in multiple planes of structure
Inventor: GERALD E MABSON
IPC: G06F17/50
Filed: 2017-06-22
Abstract: PROBLEM TO BE SOLVED: To provide, in an apparatus for predicting propagation of a crack in a structure, a finite element model that represents layers of the structure by meshes of elements having interfaces defined between adjacent elements in orthogonal potential crack planes.SOLUTION: Overlapping interface elements are defined at the interfaces and each include a plurality of node pairs spaced along multiple interfaces and having a node cluster therebetween, the node pairs including bound node pairs. The nodes of each node pair are coincident with respective nodes of the adjacent elements on opposite sides of the interface. An analysis of the finite element model under an external load is performed in which a crack tip is established at a node cluster. A strain energy release rate between the nodes of the bound node pairs of the node cluster is calculated and, based thereon, propagation of the crack is identified.SELECTED DRAWING: Figure 8B
Patent JP-2019008726-A (JP)
Title: Object recognition method, device, system, and program
Inventor: INOUE KAZUNARI
IPC: G06T7/246
Filed: 2017-06-28
Abstract: To simplify post-processing in motion capture.SOLUTION: An object recognition method which uses a sensor for sensing a plurality of markers on an object having a plurality of joints and is executed by a computer is disclosed. The object recognition method includes: acquiring position information of the markers detected by the sensor; deriving a prediction probability distribution relating to the positions of the markers at a second time point later than a first time point for each of the plurality of markers on the basis of the respective positions of the markers at the first time point; and deriving a correspondence relation between the position information relating to the second time point and the plurality of markers on the basis of the position information for the second time point, the prediction probability distribution and the structural restriction of the object, wherein the correspondence relation satisfies the restriction.SELECTED DRAWING: Figure 3
Patent JP-2019009094-A (JP)
Title: Light source unit, luminaire and assembly method of light source unit
Inventor: SAKAMOTO TETSUYA
IPC: F21S2/00
Filed: 2017-06-28
Abstract: To improve assemblability of a light source unit which is assembled by engaging a cover and a frame in the longer direction.SOLUTION: A light source unit 200 includes a frame 220, a cover 230, a first lid part 241 and a second lid part 242. The frame 220 is formed to be long. The cover 230 is formed to be long, has a frame fixing part 236 for fixing the frame 220, and an end part 237 in the longer direction X is opened. The first lid part 241 is fitted in an end part 237 in the longer direction X of the cover 230 in a sate where part of an open state of the end part 237 in the longer direction X is left, and deformation of the end part 237 in the longer direction X of the cover 230 is suppressed. The second lid part 242 is mounted on the first lid part 241, and closes the end part 237 in the longer direction X of the cover.SELECTED DRAWING: Figure 10
Patent JP-2019011581-A (JP)
Title: Bridge pier foundation structure
Inventor: SAITO KIMIO
IPC: E02D27/00
Filed: 2017-06-29
Abstract: To provide a bridge pier foundation structure that allows multiple piles to behave together while taking advantage of a footingless structure.SOLUTION: A bridge pier foundation structure 10 which supports a bridge pier 1 having a plurality of steel pipe columns 2 erected on a ground X comprises: a plurality of piles 11 installed in the ground X and spaced apart in a horizontal direction; and a plurality of connection parts (connection steel pipe 12, connector 30) provided only in the pile heads 11a of the plurality of piles 11 and connecting the pile heads 11a to each other. Lower end parts 2a of the plurality of steel pipe columns 2 are coupled to the pile heads 11a or the connection parts.SELECTED DRAWING: Figure 1
Patent JP-2019015417-A (JP)
Title: Hot water storage type water heater
Inventor: KATO MASANORI
IPC: F24H1/18
Filed: 2017-07-04
Abstract: To inhibit the energy for heating water in the current time zone from being wasted in the next time zone.SOLUTION: A hot water storage type water heater for heating hot water in a tank includes a control part for setting a heating temperature to each of multiple time zones in a predetermined period. The control part heats the hot water so that temperature of the hot water in the tank becomes a value in accordance with heating temperature in the next time zone of the time zone, in an optional time zone in the predetermined period.SELECTED DRAWING: Figure 2
Patent JP-2019015632-A (JP)
Title: Gas sensor element and gas sensor
Inventor: NAMEKATA Chika
IPC: G01N27/41
Filed: 2017-07-07
Abstract: To provide a gas sensor element and a gas sensor that can increase the responsibility of the gas sensor at the switch of gas.SOLUTION: A gas sensor element 10 includes: a solid electrolyte material 20 having an oxygen ion conductivity; a first electrode film 31 on one surface of the solid electrolyte material 20; and a second electrode film 32 on another surface of the solid electrolyte material 20. At least one of the first electrode film 31 or the second electrode film 32 includes a noble metal particle 33, solid electrolyte particles 34 having an oxygen ion conductivity, and a gas cavity 35, and the capacitance in the electrode films is set to be 80 μF or lower. A gas sensor 1 has the gas sensor element 10.SELECTED DRAWING: Figure 3
Patent JP-2019014184-A (JP)
Title: Liquid discharge device
Inventor: TAKENAKA RYOTA
IPC: B41J11/02
Filed: 2017-07-10
Abstract: To suppress vibration of a medium in a conveyance path, and reduce generation of abnormal noise.SOLUTION: A liquid discharge device includes a conveyance section that conveys a medium in a conveyance direction, a discharge section that discharges a liquid to the medium positioned in a discharge range, and a support section having a support surface that supports the medium conveyed by the conveyance section, where in a portion facing the discharge section of the support section, a plurality of projections in the conveyance direction are formed in a width direction crossing the conveyance direction, and a suction hole for sucking the medium and a communication hole, which is provided on the downstream side in the conveyance direction of the suction hole and communicates an end surface on the downstream side of the conveyance direction of the support section and a bottom surface between the projections, are provided between the projections.SELECTED DRAWING: Figure 4
Patent JP-2019019829-A (JP)
Title: Hinge and electronic apparatus
Inventor: HAZAMA YUJI
IPC: F16C11/04
Filed: 2017-07-11
Abstract: To provide a double-shaft hinge which does not require a complicated mechanism or a component of high processing precision and can be opened/closed at 360 degrees.SOLUTION: A hinge includes: first and second shafts 11 and 21; joint plates 34, 37 and 38 connecting the first and second shafts 11 and 21 in a rotatable manner; a regulator 36 which is movable between first and second positions in an axial direction of the first and second shafts 11 and 21; a first lock plate 12 which is rotated together with the first shaft 11 and engaged with the regulator 36 at the first position and blocks rotation of the first shaft 11; a lock sleeve 23 which is rotated together with the second shaft 21 and engaged to the regulator 36 at the second position and blocks rotation of the second shaft 21; and a regulation cam 13 which feeds the regulator 36 from the second position to the first position while a rotation angle of the first shaft 11 falls within a predetermined range.SELECTED DRAWING: Figure 1
Patent JP-2019020466-A (JP)
Title: Optical unit with rolling correction function and optical unit with three-axial shake correction function
Inventor: MINAMIZAWA SHINJI
IPC: H04N5/232
Filed: 2017-07-12
Abstract: To provide an optical unit 1 with a rolling correction function that corrects a shake around an optical axis and that efficiently radiates heat generated by an imaging element 40.SOLUTION: An optical unit 1 with a rolling correction function has a substrate 41, mounted with an imaging element 40, and a heat radiation member 90 fixed to a rotary pedestal 50, transmits heat from the substrate 41 to the heat radiation member 90, and rotates the rotary pedestal 50 to make rolling corrections. A rotary shaft 59 of a rotary support mechanism 60 is fixed to the rotary pedestal 50 through the heat radiation member 90. Heat generated by an imaging element 40 can, therefore, be transmitted from the substrate 41 to the heat radiation member 90 and then transmitted from the heat radiation member 90 to the rotary shaft 59 to be radiated. The imaging element 40 and heat radiation member 90 overlap the rotary shaft 59 at the same position when viewed from the direction of an optical axis L, so the heat generated by the imaging element 40 can be efficiently radiated from the rotary shaft 59.SELECTED DRAWING: Figure 3
Patent JP-2019018130-A (JP)
Title: Cleaning method for filter in dust precipitator and dust precipitator
Inventor: ENDO KOICHI
IPC: B23K26/16
Filed: 2017-07-13
Abstract: To provide a filter cleaning method which causes no clogging in a dust precipitator filter and a dust precipitator even when much dust occurs in a laser cutting processor.SOLUTION: A cleaning method for a filter in a dust precipitator connected with a laser processor is a filter cleaning method by jetting high-pressure air in a pulsive manner from the side of a suction chamber 11 to the side of a dust chamber 9 to sweep down dust deposited on the filter 13 when a differential pressure per unit time between the dust chamber 9 and the suction chamber 11 partitioned by the filter 13 increases above a preset threshold value.SELECTED DRAWING: Figure 2
Patent JP-2019020541-A (JP)
Title: Process cartridge and electrophotographic image forming apparatus
Inventor: KAMOSHIDA SHIGEMI
IPC: G03G21/18
Filed: 2017-07-14
Abstract: To provide a process cartridge that presses a developing roller against a photoreceptor drum with an appropriate force for both during image formation and long-term storage.SOLUTION: A process cartridge is provided, as urging means that presses a developing roller against a photoreceptor drum, with first urging means that operates only during image formation and second urging means that operates constantly. A pressing force generated by the second urging means is set smaller than a pressing force generated by the first urging means.SELECTED DRAWING: Figure 1
Patent JP-2019019786-A (JP)
Title: Generation device and generating method
Inventor: KAGEMOTO HIROSHI
IPC: F03B13/12
Filed: 2017-07-20
Abstract: To generate electricity without directly receiving the force of a fluid flow by a rotator.SOLUTION: A generation device disposed in a fluid to generate electricity is equipped with a moving body 20; a shaft driving mechanism 40; and a generator 60. The moving body 20 is equipped with a first shaft 21 extending in a direction 92 intersecting a fluid flow 90, a second shaft 22 and a third shaft 31 extending in parallel with the first shaft 21, and a belt 23 wound around the first shaft 21, the second shaft 22, and the third shaft 31. The shaft driving mechanism 40 relatively moves the first shaft 21, the second shaft 22, and the third shaft 31 to form waves traveling in a direction of the fluid flow 90 on the belt 31. The generator 60 generates electricity by the movement of the belt.SELECTED DRAWING: Figure 1
Patent JP-2019029553-A (JP)
Title: Amorphous Transformer
Inventor: TADA SHUJI
IPC: H01F27/24
Filed: 2017-08-01
Abstract: To solve a problem in which the short-circuit strength improves as the coil shape of a transformer approaches a circular shape, however, the cross-sectional shape of an amorphous core is rectangular, and in the case of a circular coil, a large space occurs between an iron core and a coil.SOLUTION: A transformer according to an embodiment of the present invention includes at least a coil formed by winding a conductor a plurality of times and an iron core inserted into the inner periphery of the coil. The iron core is formed by laminating a plurality of ribbon layers made of one or a plurality of amorphous ribbons, and from among the plurality of ribbon layers, the even number ribbon layer is stacked on the odd number ribbon layers so as to be shifted from the odd number ribbon layers in the same direction as the width direction of the iron core.SELECTED DRAWING: Figure 1
Patent JP-2019028003-A (JP)
Title: Distance measuring device
Inventor: KOGA TOSHIHIRO
IPC: G01S7/481
Filed: 2017-08-02
Abstract: To provide a distance measuring device that attains a reduced size while desirably collecting reflected light from a distance measuring region desirably.SOLUTION: A distance measuring device 1 includes: a fixed part 10; a rotational part 20, which is rotatably arranged in the fixed part 10; a laser light source 31 in the fixed part 10; a light detector 38 in the fixed part 10; a beam splitter 33 in the fixed part 10 for separating the optical path of projected light from the laser light source 31 and the optical path of reflected light from the distance measuring region; an imaging lens 35 in the common optical path of the projected light and the reflected light, the imaging lens collecting reflected light from the distance measuring region; and a rotational mirror 34 in the rotational part 20 for leading the projected light passing through the beam splitter 33 to the distance measuring region and also leading the reflected light from the distance measuring region to the beam splitter 33.SELECTED DRAWING: Figure 3
Patent JP-2019031056-A (JP)
Title: Image formation system, control method and program of the same
Inventor: YOKOYA TAKASHI
IPC: B65H33/04
Filed: 2017-08-09
Abstract: To prevent the deterioration in the jam processing property and prevent the reduction in the productivity at the time of insert-feeding by properly switching the start timing of insertion of a slip sheet.SOLUTION: An image formation system includes: image formation means which forms an image on a recording medium; sheet feeding means which is mounted the recording medium and conveys the recording medium toward the image formation means on a conveyance path; insertion means which is mounted with a slip sheet and conveys the slip sheet so as to merge at a position on the downstream with respect to the image formation means on the conveyance path; storage means which stores information on the sheet feeding of the recording medium; and control means which controls the sheet feeding timing of the slip sheet by the insertion means on the basis of the information stored in the storage means.SELECTED DRAWING: Figure 10
Patent JP-2019033727-A (JP)
Title: Driver's seat structure of work vehicle
Inventor: KOMATSU ERIKO
IPC: A01D67/04
Filed: 2017-08-21
Abstract: To provide a driver's seat structure of a work vehicle in which the change between a horizontal posture and a forward tilted posture of a seat can easily be performed by a supporting tool without erroneous operation.SOLUTION: A driver's seat structure of a work vehicle includes a supporting tool 6 for supporting a turning base frame 9a of a seat 2 in a vertically turning manner on a support shaft 11 of a seat base frame 4, and turning a locking shaft 26 of the turning base frame 9a in the longitudinal direction by using an operating shaft 5a provided at the rear of the seat base frame 4 as a supporting point, in which a horizontally locking groove 25b and a slope locking groove 25c formed in the supporting tool 6 are alternatively locked to the locking shaft 26. A support mechanism 5 comprising the locking shaft 26 and the supporting tool 6 and the like is arranged on the side of the seat 2.SELECTED DRAWING: Figure 2
Patent JP-2019035392-A (JP)
Title: Bearing support structure and throttle device
Inventor: YAMAUCHI KEISUKE
IPC: F02D9/10
Filed: 2017-08-21
Abstract: To provide a technology capable of preventing holding force for holding a bearing from lowering due to thermal expansion at a cylindrical part.SOLUTION: A bearing support structure comprises: a body; and a cylindrical part projecting from a surface of the body, and supporting a bearing, wherein the bearing is arranged on an inner peripheral side. On an outer peripheral surface of the cylindrical part, three or more grooves are arranged so as to extend from a tip of the cylindrical part toward the body. The bearing support structure is, for example, useful in a case of being applied to a throttle device comprising a bearing for supporting a shaft of an on-off valve.SELECTED DRAWING: Figure 7
Patent JP-2018031375-A (JP)
Title: Harmful gas system with acoustic wave sensor
Inventor: ZHANG HUA
IPC: F02C7/00
Filed: 2017-08-23
Abstract: PROBLEM TO BE SOLVED: To provide a system for detecting gas leaks in a gas turbine enclosure.SOLUTION: A gas monitoring system monitors gas leaks from a gas turbine engine disposed within a gas turbine enclosure. The system includes a controller including a processor and a memory communicably coupled to the processor. The memory stores instructions which, when executed by the processor, perform operations including obtaining one or more operational parameters associated with a gas turbine system having the gas turbine engine from one or more sensors during operation of the gas turbine engine. The operations also include utilizing a gas leakage monitoring model to monitor for gas leaks within the gas turbine enclosure and to generate a gas index indicative of a severity of a gas leak within the gas turbine enclosure based on the one or more operational parameters. The operations further include outputting the index.SELECTED DRAWING: Figure 1
Patent JP-2019039614-A (JP)
Title: Hot water storage unit
Inventor: MORIGAKI TAKAO
IPC: F24H9/00
Filed: 2017-08-25
Abstract: To provide a hot water storage unit capable of improving workability and maintaining fine view even if there are many pipes to connect.SOLUTION: A hot water storage unit comprises: a tank housing part for accommodating a cylindrical hot water storage tank covered with a heat insulator in an outer covering case; an auxiliary machine housing part disposed adjacent to one side of the tank housing part; and a piping space part for connecting a plurality of piping introduced from the outside of the outer covering case provided below the auxiliary machine housing part. The piping space part is configured to have an extended space part in which the piping space part is expanded to a lower corner part of the tank housing part in the vicinity of the side where the plurality of piping introduced into the piping space part.SELECTED DRAWING: Figure 3
Patent JP-2019044283-A (JP)
Title: Sheet processing equipment and sheet producing equipment
Inventor: SEKI SHUNICHI
IPC: D21B1/08
Filed: 2017-08-31
Abstract: To provide achievement of reliable erasure of waste paper information and whitening of the sheet (reduction of blackening).SOLUTION: A sheet processing apparatus includes: image investigation means for investigating and discriminating, from a sheet to which image information is attached, at least one of a position, a size, and a color of the image information in the sheet and a ground color of the sheet; image analysis means for determining the type of a deinking agent and the amount of the deinking agent according to the discrimination result in the image investigation means; deinking agent applying means for applying the predetermined type and predetermined amount of deinking agent determined by the image analysis means to the image information applied to the sheet; and refining means for refining the sheet to which the deinking agent has been applied by the deinking agent applying means.SELECTED DRAWING: Figure 2
Patent JP-2019044445-A (JP)
Title: Auger apparatus and pile press-fitting machine
Inventor: KITAMURA MORIO
IPC: E02D7/20
Filed: 2017-08-31
Abstract: To provide an auger apparatus and a pile press-fitting machine which effectively prevent positional deviation between divided casings.SOLUTION: An auger apparatus 1 used for press-fitting a sheet pile A comprises an auger screw 2 for excavating the ground G, a cylindrical casing 3 surrounding the auger screw 2, and an auger drive unit 4 for rotating the auger screw 2. The casing 3 is configured by connecting a plurality of divided casings 3a and 3b. A deviation preventing mechanism for preventing the positional deviation between the plurality of divided casings 3a and 3b is provided on the side on which the sheet pile A is disposed on the outer side of the casing 3 with respect to the central axis of the auger screw 2 and the opposite side.SELECTED DRAWING: Figure 1