baber/WOPTO huggingface dataset:
Patent JP-2019129080-A (JP)
Title: Light source device, projection type display device, and semiconductor device
Inventor: YAMADA ATSUSHI
IPC: H01L33/00
Filed: 2018-01-25
Abstract: To improve linearity of the optical output from a semiconductor light source to the on-duty ratio of PWM signal by simple circuitry, without using a target value table based on the actual characteristic curve.SOLUTION: A light source device includes a semiconductor light source, a first switching element connected in series with the semiconductor light source, a drive circuit for turning the first switching element on when a PWM signal is activated, a power supply circuit including a second switching element and supplying a current to the semiconductor light source, a current detector for detecting a current flowing to the semiconductor light source and outputting a current detection signal, a compensation circuit generating a compensatory signal having a voltage which changes according to the on-duty ratio of the PWM signal, an adder circuit for adding the current control signal and the compensatory signal at a prescribed ratio, an error amplifier generating an error signal by amplifying the difference of the output signal from the adder circuit and the current control signal, and a power supply control circuit for controlling the power supply circuit on the basis of the error signal.SELECTED DRAWING: Figure 1
Patent JP-2019128824-A (JP)
Title: Image processing apparatus and image processing method
Inventor: ADACHI HIROSHI
IPC: G06T7/00
Filed: 2018-01-25
Abstract: To acquire a feature quantity even in an image in which part of an area of an object of interest is hidden.SOLUTION: An image processing apparatus comprises: first specification means that specifies, from an image, an object area corresponding to an object of interest; determination means that determines whether the object of interest corresponding to the object area is hidden behind another object; second specification means that, when the object of interest is determined to be hidden, specifies an exclusion portion corresponding to the another object from the object area; compensation means that excludes the exclusion portion from the object area and compensates the excluded portion on the basis of the remaining portion of the object area; and acquisition means that extracts the feature quantity of the object of interest from the compensated object area.SELECTED DRAWING: Figure 3
Patent JP-2019129857-A (JP)
Title: Game machine
Inventor: KUME YOSHIO
IPC: A63F5/04
Filed: 2018-01-29
Abstract: To provide a game machine that is hard to make a game player have a sense of incongruity even while cautioning.SOLUTION: A slot machine is provided in which the counting of a timer 1 is started if start operation is made (determination start timing) when the timer 1 is not counted, and continuous alert rendering or the like is executed when a predetermined time elapses based on the timer 1. In the slot machine, the start operation is made after third stop operation is performed and 1-minute or more elapses, and thereby it shifts to a second accumulation period and operation history information for determinations is accumulated. After that, a determination is made whether or not a specific relationship is present which has low possibility to be the same game player. When the specific relationship is present, the counting of the timer 1 is newly started from the determination start timing on the way where the value of the timer 1 is set in 0.SELECTED DRAWING: Figure 10
Patent JP-2018077535-A (JP)
Title: Wavelength conversion member and light source device using the same
Inventor: YAMASHITA TOSHIAKI
IPC: F21V7/30
Filed: 2018-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a wavelength conversion member capable of improving strength and heat radiation and further improving luminance, and a light source device using the wavelength conversion member.SOLUTION: A wavelength conversion member includes a light reflection member 13 configured to reflect laser light, and a phosphor-containing layer 12 provided on the light reflection member 13. The phosphor-containing layer has, in order from the light reflection member side, a base part, and one or more projection parts configured to be projected from the base part and be irradiated with the laser light. The projection part is characterized in that it is smaller than the base part and larger than a spot of the laser light with which the projection part is irradiated.SELECTED DRAWING: Figure 1A
Patent JP-2019133035-A (JP)
Title: Goggle, and dimmer unit
Inventor: TSUKADA MASARU
IPC: G02B5/30
Filed: 2018-01-31
Abstract: To provide a goggle that can easily adjust an amount of light to be incident upon eyes.SOLUTION: A goggle 1 comprises: a lens part 13; and a frame 11 that holds the lens part. In the lens part 13, provided are: a first dimmer member 21; and a second dimmer member 31 that faces the first dimmer member. The first dimmer member 21 includes: a first polarization layer 23 that is equipped with a transmission axis in a prescribed direction; and a first phase difference layer 24 that gives transmission light a prescribed phase difference, and the second dimmer member 31 includes: a second polarization layer 33 that is equipped with a transmission axis in a direction going across the transmission axis of the first polarization layer 23; and a second phase difference layer 34 hat gives the transmission light the prescribed phase difference. At least one of the first dimmer member 21 and the second dimmer member 31 is relatively slid, thereby an amount of light is adjustable.SELECTED DRAWING: Figure 1
Patent JP-2019135476-A (JP)
Title: Motor drive device capable of estimating stray capacitance
Inventor: MATSUDA RYO
IPC: G01R27/26
Filed: 2018-02-05
Abstract: To provide a motor drive device which allows for easily grasping stray capacitance of a motor and motor power lines at low cost.SOLUTION: A motor drive device 1 comprises: an inverter 12 configured to convert an input DC voltage into an AC voltage for driving a motor 3 by switching internal power devices on and off; a current detection circuit 13 configured to detect current that flows through motor power lines 6 when the AC voltage is applied to the motor 3 via the motor power lines 6; a temperature measurement unit 14 for measuring temperature of the current detection circuit 13; and a stray capacitance estimation unit 15 configured to estimate stray capacitance appearing at the motor power lines 6 and the motor 3 on the basis of the temperature measured by the temperature measurement unit 14.SELECTED DRAWING: Figure 1
Patent JP-2019138016-A (JP)
Title: Door hinge device
Inventor: OHASHI MICHIAKI
IPC: E05D7/086
Filed: 2018-02-08
Abstract: To provide is a door hinge device which can reduce impact and noise upon hitting a frame or a door stop when a door is closed.SOLUTION: A door hinge device 10 which is provided between a door 1 and a fixed member 2 such as a wall to which the door 1 is assembled in an opening/closing manner to support the door 1 in a pivotal manner about an axis, includes: a door-side mounting portion 20 mounted on the door 1 side; a fixed-side mounting portion 11 mounted on the fixed member 2; urging means such as a spring 30 for urging the door 1 to move to a predetermined position; and impact absorbing means 40 which is assembled on the door-side mounting portion 20 and whose tip portion 42a is capable of abutting on the fixed-side mounting portion 11 for absorbing an impact at the time of abutting.SELECTED DRAWING: Figure 5
Patent JP-2018173940-A (JP)
Title: Automatic object tracking in video feed using machine learning
Inventor: PAN JAN WEI
IPC: G06T7/00
Filed: 2018-02-08
Abstract: PROBLEM TO BE SOLVED: To provide a device for automatic object tracking in a video feed.SOLUTION: A device receives a plurality of frames in a vide feed (402), sequentially processes them (404), and tracks an object. Especially, a plurality of objects in a frame is allocated with respective tracking fragments (410). Kinetic, visual, time-variant and machine-learning based features of the object are discriminated and stored in a meta data associated with a tracking fragment (412). The tracking fragment of the object are discriminated in a previous frame based on its features and corresponding features in the meta data associated with the previous frame (414). The tracking fragments for the object in the frame and the objet in the previous frame are linked with each other (416), thereby the object tracking being formed. The device then outputs the video feed together with the object tracking overlaid thereon (408).SELECTED DRAWING: Figure 2A
Patent JP-2019135983-A (JP)
Title: Food for inhibiting photoaging of skin
Inventor: INOUE KAZUMI
IPC: A23L33/10
Filed: 2018-02-09
Abstract: To provide a food for inhibiting photoaging of skin having the effect of inhibiting photoaging of skin and can be mass-produced at low cost.SOLUTION: A food for inhibiting photoaging of skin contains a gel, and a hydrogen gas in a foamy state contained in the gel, with the content of the foamy hydrogen gas being 0.1-70 vol.% [v/w].SELECTED DRAWING: Figure 2
Patent JP-2018153620-A (JP)
Title: Interactive display stand for article particularly for wrist watch and ornament
Inventor: XAVIER DIETLIN
IPC: A47F7/02
Filed: 2018-02-14
Abstract: PROBLEM TO BE SOLVED: To provide a display stand for articles.SOLUTION: The interactive display stand 1 is equipped with a compartment that stores an article 10 on a support body and that forms a surrounded housing with a single opening. The display stand includes control means for driving means which operates transfer means for moving the support body so that only one article may be seen through the opening. A user utilizes the control means 7 for the purpose of selecting the article, and the control means is connected to the driving means so as to control operation means to align with the opening, while the support body supports the article selected for viewing. The display stand is provided with security detection means for detecting presence of a hand within a security space. The security detection means is connected to the driving means for the purpose of starting programmed cycle in the occurrence of detection and locking the article inside the compartment through the opening.SELECTED DRAWING: Figure 1
Patent JP-2018088553-A (JP)
Title: Field effect transistor and wireless communication device
Inventor: SAKA NAOKI
IPC: H01L23/532
Filed: 2018-02-19
Abstract: PROBLEM TO BE SOLVED: To provide a field effect transistor capable of reducing an external component of an off capacitance and a manufacturing method thereof.SOLUTION: A field effect transistor includes a gate electrode, a semiconductor layer having a source region and a drain region that sandwich the gate electrode, contact plugs that is provided on the source region and the drain region, first metals laminated on the contact plug, and a low dielectric constant region that is provided in a region between the first metals in the in-plane direction of the semiconductor layer and provided in a first region at least below the lower surface of the first metal in the lamination direction.SELECTED DRAWING: Figure 7
Patent JP-2019141947-A (JP)
Title: Control device of tap machining
Inventor: TAJIMA DAISUKE
IPC: B23G1/02
Filed: 2018-02-20
Abstract: To provide a machine tool control device capable of shortening a cycle time of entire tap machining even when a rotation speed of a spindle during machining is set to a relatively low speed.SOLUTION: A control device of a machine tool comprises: a numerical control unit 16 for creating a spindle command and a feed shaft command based on a tap machining program P; a spindle control unit 18 for controlling the rotation of a spindle according to the spindle command; a rotation detection unit 20 for detecting a rotational position of the spindle; and a feed shaft control unit 22 for controlling a feed operation of the feed shaft 14 based on the rotational position according to the feed shaft command. The numerical control unit 16 includes, in the spindle command, a return speed command value that does not depend on a maximum rotation speed at the time of machining of a spindle 12 and is faster than the maximum rotation speed at the time of machining as a return operation command.SELECTED DRAWING: Figure 1
Patent JP-2019143894-A (JP)
Title: Air conditioner
Inventor: KONO TAKEKI
IPC: F24F1/12
Filed: 2018-02-21
Abstract: To provide an air conditioner capable of suppressing occurrence of abnormal sound and vibration.SOLUTION: An air conditioner includes a housing having a bottom plate, a compressor, a piping portion, and a plurality of bolt members of three or more, for supporting mounting portions of the compressor on the bottom plate of the housing. A compressor body has a piping connection portion connected to the piping portion on its outer peripheral portion. At least one bolt member among the plurality of bolt members is a first bolt member disposed on a position near the piping connection portion of the compressor body in a plane view, the remaining bolt members excluding the first bolt member, among the plurality of bolt members are second bolt members disposed on positions separated from the piping connection portion of the compressor body in a plane view, and the first bolt member and the second bolt members have flange portions to be placed on the bottom plate, respectively. A thickness in a vertical direction, of the flange portion of the first bolt member is thicker than a thickness in a vertical direction of the flange portions of the second bolt members.SELECTED DRAWING: Figure 2
Patent JP-2019142459-A (JP)
Title: Webbing take-up device
Inventor: YANAGAWA HISASHI
IPC: B60R22/46
Filed: 2018-02-23
Abstract: To inhibit a guide member from rattling around one direction.SOLUTION: In a webbing take-up device 10, a moving member 64 is moved guided by a cylinder 58 to cause a spool 18 to rotate in a take-up direction. A biasing plate 90B of a guide member 82 biases a flange 58A at an axial tip part of the cylinder 58 to the side of a restriction direction, and a leg plate 12A of a frame 12 restricts rotation of the flange 58A to the side of the restriction direction. Thus, the axial tip part of the cylinder 58 can be inhibited from rattling around an axial direction.SELECTED DRAWING: Figure 6
Patent JP-2019148426-A (JP)
Title: Image processing apparatus
Inventor: TOMIOKA TAKASHI
IPC: G01C3/06
Filed: 2018-02-26
Abstract: To provide an image processing apparatus that more accurately generates a distance image, which is an image including distance information to each object in a subject.SOLUTION: An image processing apparatus 10 includes: a processor 21 for controlling the entire image processing apparatus; a storage unit 22; a display unit 13; an input unit 15 arranged so as to overlap the display unit; a visible light camera 17 to obtain a visible image of a subject; and a distance measuring camera unit 19 that generates a first distance image, which is an image including information on the distance to each object in the subject. The storage unit stores a first distance image acquisition method that is information indicating a method of acquiring a first distance image, and a reconstruction method that is information indicating a method of reconstructing distance information. The processor acquires a plurality of first distance images according to the first distance image acquisition method, reconstructs distance information from the plurality of first distance images to each object in the subject according to the reconstruction method, and generates a second distance image that is an image including distance information to each object in the reconstructed subject.SELECTED DRAWING: Figure 2
Patent JP-2019148171-A (JP)
Title: Blower device
Inventor: SUZUKI AYAKA
IPC: F04F5/16
Filed: 2018-02-26
Abstract: To provide a blower device which allows a user to appropriately change the wind range and the wind speed.SOLUTION: A blower device includes a plurality of raised pillars. The pillar includes a blowout port for blowing out high pressure air in the perpendicular direction with respect to the direction in which the pillar is raised, on the side part. The plurality of pillars are arranged with an interval, and an induction air passage is formed in a gap between the adjacent pillars in which an induction airflow induced by a blowout airflow passes. The pillar includes: an upper side blowout pillar which has a blowout port on the upper side in the vertical direction; and a lower side blowout pillar which has a blowout port on the lower side in the vertical direction. Also, a control unit is provided for controlling the airflow blown out from the blowout port. The control unit blows the blowing airflow from the upper side blowout ports and the blowing airflow from the lower side blowout ports by different airflows respectively.SELECTED DRAWING: Figure 2
Patent JP-2019147971-A (JP)
Title: METHOD OF REPLENISHING Sn ALLOY PLATING SOLUTION WITH Sn COMPONENT, METHOD OF PRODUCING REPLENISHMENT SOLUTION FOR Sn ALLOY PLATING, AND Sn COMPONENT REPLENISHMENT DEVICE
Inventor: KATASE TAKUMA
IPC: C25D21/14
Filed: 2018-02-26
Abstract: To provide a method of replenishing a Sn alloy plating solution with a Sn component, capable of improving efficiency of Sn component replenishment by preventing oxidation of a divalent tin ion to a tetravalent tin ion upon dissolving stannous oxide powder in a Sn alloy plating solution, a method of producing a replenishment solution for Sn alloy plating, and a Sn component replenishment device.SOLUTION: The method of replenishing a Sn alloy plating solution with a Sn component according to the present invention for replenishing a Sn alloy plating solution stored in a plating tank with a Sn component, comprises steps of extracting at least a part of a used Sn alloy plating solution from a plating tank, cooling the extracted Sn alloy plating solution to a temperature of 10°C or below, and dissolving stannous oxide powder of a temperature of 10°C or below in a Sn alloy plating solution in the cooled state in a dissolving tank other than the plating tank to replenish the Sn alloy plating solution with a Sn component. The Sn alloy plating solution replenished with a Sn component is fed into the plating tank .SELECTED DRAWING: Figure 1
Patent JP-2019148672-A (JP)
Title: Imaging forming device
Inventor: SAWARA HIROSHI
IPC: G03G21/18
Filed: 2018-02-26
Abstract: To solve a problem that, in a constitution in which a moving member for supporting a cartridge has a removed toner accommodation part, a toner which is scattered when moving the moving member adheres to an electrical contact point of the cartridge, and an electrical contact failure may occur.SOLUTION: A moving member for supporting a plurality of cartridges has a removed toner transport part having a second transport member for receiving a removed toner which is transported by a first transport member of each of a plurality of the cartridges, and transporting it to a direction intersecting with a longitudinal direction at one end side of the cartridge in the longitudinal direction, and a discharge port for discharging the removed toner which is transported by the second transport member to the outside of the moving member. A device main body of an image forming device has an accommodation part for receiving the removed toner which is discharged from the discharge port of the moving member, and accommodating it therein, and the discharge port of the moving member is formed at an end part of the moving member at a side opposite to an end part of the cartridge at a side at which a contact point exists in the longitudinal direction.SELECTED DRAWING: Figure 1
Patent JP-2019153606-A (JP)
Title: Magnetized structure, magnetic wall displacement type magnetic recording element and magnetic memory
Inventor: SUDA Keita
IPC: H01L21/8239
Filed: 2018-02-28
Abstract: To provide a magnetized structure in which magnetization can be easily oriented in a specific direction, a magnetic wall displacement type magnetic recording element comprising he same, and a magnetic memory.SOLUTION: The magnetized structure according to the present embodiment comprises: a first ferromagnetic layer extending in a first direction; and a first magnetic flux induction layer which is disposed apart from the first ferromagnetic layer at any position in a circumferential direction about a first ferromagnetic layer axis, at least a part of which is located in a position in more first direction-outside than a first end of the first ferromagnetic layer. A first easy axis of magnetization of the first ferromagnetic layer is different from a second easy axis of magnetization of the first magnetic flux induction layer. Magnetization of a first portion of the first ferromagnetic layer on the first end side and magnetization of the first magnetic flux induction layer are oriented in the circumferential direction around an induction axis.SELECTED DRAWING: Figure 1
Patent JP-2019150740-A (JP)
Title: Porous resin molding for water purification
Inventor: TAKAGI SADAJI
IPC: C02F1/28
Filed: 2018-02-28
Abstract: To provide a porous resin molding, which is a resin molding for water purification used in flow paths for scrubber cleaning water and cooling water for injection molding machines, possible to quickly absorb red rust with an ability to penetrate water into the interior in a short time, and also having high durability and having a function to continuously suppress progress of the rust.SOLUTION: There is provided a porous resin molding containing biosoluble ceramic fibers, further containing negatively charged organic fibers, preferably aramid fibers, and having a porosity of 30 to 80%.SELECTED DRAWING: Figure 1
Patent JP-2019153403-A (JP)
Title: Fuel cell system
Inventor: WATANABE TAKAO
IPC: H01M8/00
Filed: 2018-03-01
Abstract: To restrain deterioration of battery and fuel economy, during impedance measurement time.SOLUTION: A fuel cell system includes a fuel cell stack, a first converter connected with the fuel cell stack, and outputting the voltage of the fuel cell stack while boosting, a battery, a second converter provided between the battery and the first converter, and capable of executing bidirectional voltage conversion, a capacitor provided between the first and second converters, and a control section for controlling the first and second converters. When measuring the impedance of the fuel cell stack, the control section superposes an AC current for impedance measurement on the current outputted from the fuel cell stack by using the first converter, and varies a command value of the voltage of the second converter on the opposite side to the battery, while delaying by a predetermined delay amount from the phase of the AC current for impedance measurement.SELECTED DRAWING: Figure 1
Patent JP-2019152549-A (JP)
Title: Sonic speed measuring device and electronic apparatus
Inventor: WATANABE RYOKI
IPC: G01H5/00
Filed: 2018-03-05
Abstract: To provide a sonic speed measuring device and an electronic apparatus which can accurately measure the sonic speed of ultrasonic waves.SOLUTION: The sonic speed measuring device includes: a reception array in which a plurality of light receiving elements outputting a reception signal in response to reception of an ultrasonic wave are arranged in one direction; a phase difference detection unit for detecting the phase difference in the reception signal output from light reception elements adjacent to each other when the light receiving elements receive an ultrasonic wave propagating from a target point in the shape of a spherical wave; and a sonic speed calculation unit for calculating the sonic speed of the ultrasonic wave from the phase difference.SELECTED DRAWING: Figure 4