baber/WOPTO huggingface dataset:
Patent JP-2012231107-A (JP)
Title: Nitride semiconductor element and manufacturing method for the same
Inventor: JOHN WU-CHOL
IPC: H01L29/41
Filed: 2011-09-01
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor element operating in the normally-off mode by forming a Schottky electrode in a source region of an FET, forming a gate electrode in a part of a source electrode area and in a part of a nitride semiconductor area, and providing a floating guard ring between a drain electrode and the source electrode.SOLUTION: A semiconductor element includes: a nitride semiconductor layer 30 forming a two-dimensional electron gas (2DEG) channel therein; a drain electrode 50 bonded to the nitride semiconductor layer 30 by ohmic junction; a source electrode 60 bonded by Schottky junction; a floating guard ring 75 bonded to the nitride semiconductor layer 30 by Schottky junction between the drain electrode 50 and the source electrode 60; a dielectric layer 40 formed between the drain electrode 50 and the source electrode 60 and at least on a part of the source electrode 60; and a gate electrode 70 disposed on the dielectric layer 40 and formed over the edge part of the source electrode 60 in the drain direction while being held between the dielectric layers 40.
Patent JP-2013053677-A (JP)
Title: Combination type heat retention material
Inventor: MURAYAMA SATORU
IPC: F16L59/14
Filed: 2011-09-05
Abstract: PROBLEM TO BE SOLVED: To provide a combination type heat retention material (heat insulation material) which is markedly suitable for temperature retention (heat insulation) of pipe, device or the like in a narrow space in which the pipe, device and the like are intricate, and additionally can exhibit high heat retention (heat insulation) effect despite its compactness according to the request and further can markedly reduce the generation of impurities such as dusts and gas, so called particles.SOLUTION: The combination type heat retention material can be configured such that a plurality of planar heat retention materials having substantially the same rectangular shapes one another, in which the length ratio of a width edge to a length edge is approximately 1 to 2, on front and back surfaces are combined by connecting arbitrary edges of the planar heat retention materials to each other, rectangular shapes of the plurality of heat retention materials are the same or similar to one another and, when the rectangular shapes of the plurality of heat retention materials are similar to one another, the length ratios of corresponding length edge and width edge of a rectangle of large heat retention material to the length edge and width edge of a rectangle of small heat retention material are multiple of 1 to 2 in both.
Patent JP-2014224834-A (JP)
Title: Display device
Inventor: MAYUMI MASASHI
IPC: G02F1/1333
Filed: 2011-09-06
Abstract: PROBLEM TO BE SOLVED: To provide a display device in which a touch panel is hardly influenced by noises generated when a liquid crystal panel is driven.SOLUTION: The display device includes a liquid crystal panel 14 and a touch panel 12 disposed on a top surface side of the liquid crystal panel 14. The liquid crystal panel 14 includes a pair of substrates 18, 20, a liquid crystal layer 26 sealed between the pair of substrates 18, 20, a conductive layer 30 formed on one of the pair of substrates 18, 20, and a capacitor 36 connected to the conductive layer 30. The conductive layer 30 is formed on the substrate 20 of the pair of substrates 18, 20, which is located close to the touch panel 12. The conductive layer 30 overlaps the entire liquid crystal layer 26 when viewed from the front of the liquid crystal panel 14. The capacitor 36 is connected at one terminal to the conductive layer 30 and grounded at the other terminal.
Patent JP-2013057528-A (JP)
Title: Ruler
Inventor: YAMAMOTO YOSHIHIRO
IPC: G01B3/02
Filed: 2011-09-07
Abstract: PROBLEM TO BE SOLVED: To provide a ruler which allows for accurate straight line drawing on a target long surface and accurate length measurement of a target long surface, capable of being accommodated in a various storage space.SOLUTION: A ruler 1 comprises a first ruler piece 2 and a second ruler piece 4. An end 21 of the first ruler piece 2 and another end 42 of the second ruler piece 4 are formed so as to be freely coupled together or separated from one another. The coupling between ruler pieces 2 and 4 allows the contact parts 23 and 43 of both the ruler pieces 2 and 4 to come in contact with an object plane 9 and line drawing guide parts 25 and 45, and 26 and 46 of both the ruler pieces 2 and 4 to be continuously coupled, respectively. The ruler pieces 2 and 4 in the coupled state cannot be relatively moved in both X1-X2 direction and Y1-Y2 direction in the drawing due to the shapes of the end 21 of the first ruler piece 2 and the other end 42 of the second ruler piece 4. Consequently, the ruler pieces 2 and 4 are not detached when placed on the object surface 9.
Patent JP-2013058366-A (JP)
Title: Connector for electrification
Inventor: SHIMIZU SHIGEJIRO
IPC: H01R13/52
Filed: 2011-09-07
Abstract: PROBLEM TO BE SOLVED: To solve such a problem that if a voltage has been applied to an electrification cable in a connector when a male connector and a female connector configuring a connector for electrification are fitted or unfitted, there is a risk of electric leakage in a conductive liquid, and a risk of inflammation by spark discharge in a flammable gas.SOLUTION: By using a male connector and/or a female connector having an enclosed chamber, a first electrode and a second electrode facing each other in the enclosed chamber are connected or separated. More specifically, the female connector includes a casing, a seal portion sealing the interior of the casing, first and second electrodes disposed in the casing, and an electrode connection control section which controls the female connector so as to separate the first and second electrodes in the unfitted state, and to connect them in the fitted state.
Patent JP-2013060962-A (JP)
Title: Damper
Inventor: OTAKE TAKAFUMI
IPC: F16C33/72
Filed: 2011-09-12
Abstract: PROBLEM TO BE SOLVED: To prevent shortage of a working fluid even if using an aqueous fluid as the working fluid, related to the improvement of a damper.SOLUTION: In the damper D comprising a cylinder 1 for receiving the working fluid, a rod 2 movably inserted into the cylinder 1 in the axial direction, and an annular seal member 3 attached to an opening of the cylinder 1 and slide-contacting with the external periphery of the rod 2, there is arranged a boot 4 covering the sliding surface of the rod 2 which protrudes from the seal member 3 to the side of outside air, and forms a tightly-sealed space A between the sliding surface of the rod 2 and itself.
Patent JP-2013062319-A (JP)
Title: Semiconductor storage device
Inventor: OSAWA TAKASHI
IPC: H01L27/10
Filed: 2011-09-12
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor storage device composed of an SRAM including four transistors and two MTJ elements, and operating as a nonvolatile memory without application of a power source.SOLUTION: An SRAM is composed of a memory cell 1 including first and second inverters 2 and 4 and first and second transfer MOSFETs 3 and 5. The first and second inverters 2 and 4 are composed of spin transfer torque MTJ elements 6 and 8 and drive MOSFETs 7 and 9, respectively, and the inverters 2 and 4 compose a flip flop circuit. Output terminals of the first and second inverters 2 and 4 are connected to a bit line and a bit line bar via the first and second transfer MOSFETs 3 and 5, respectively, and gates of the first and second transfer MOSFETs 3 and 5 are connected to the same word line. A nonvolatile memory of high speed and low power consumption, which has a smaller memory cell area in comparison with a conventional SRAM is achieved.
Patent JP-2013060776-A (JP)
Title: Construction machine
Inventor: EDAMURA MANABU
IPC: E02F9/26
Filed: 2011-09-14
Abstract: PROBLEM TO BE SOLVED: To provide a construction machine including an insulation resistance deterioration detecting device which can detect and determine insulation resistance deterioration with a simple circuit structure.SOLUTION: The construction machine includes an electric motor, an inverter for delivering/receiving electric power to/from the electric motor, a power storage device, a chopper for boosting the voltage of the power storage device and supplying it to the bus bar of the inverter, and an electric circuit and a controller for driving and controlling them. It further includes voltage detecting means for detecting the voltage of the power storage device, the insulation resistance deterioration detecting device having two resistors connected at their one-end sides to the positive and negative electrodes of the bus bar of the inverter respectively,current detecting means connected at one end to the other-end sides of the two resistors and at the other end to a chassis earth, and a controller for determining the insulation resistance deterioration using a variation of a voltage value of the power storage device detected by the voltage detecting means, and a variation of a signal detected by the current detecting means of the insulation resistance deterioration detecting device.
Patent JP-2013064656-A (JP)
Title: Abnormality detection device for speaker circuit to produce vehicular travel notification sound
Inventor: ITO HARUHITO
IPC: G01R31/02
Filed: 2011-09-17
Abstract: PROBLEM TO BE SOLVED: To detect a disconnection and/or a short circuit of a speaker 2.SOLUTION: A vehicular travel notification sound generation device 1 has a speaker 2. A signal of vehicular travel notification sound is amplified by a power amplification circuit 6 and supplied to the speaker 2 via a coupling capacitor 5. A voice coil of the speaker 2 retards a phase of voltage Vp appearing on a terminal of the speaker 2. The voltage Vp has retardation in phase with respect to voltage Vs when the speaker 2 is normal and has a synchronized phase with the voltage Vs when the speaker 2 has disconnection. A disconnection determination section 542 determines the disconnection of the speaker 2 on the basis of the phase difference between the voltage Vp and the voltage Vs. A control device 7 activates a warning device 11. A short circuit determination section 543 determines a short circuit of the speaker 2 if a variation in the voltage Vp falls below a threshold while the signal of the vehicular travel notification sound is supplied.
Patent JP-2013067219-A (JP)
Title: Rolling bearing unit for wheel
Inventor: INA YOSHIYUKI
IPC: B60B35/02
Filed: 2011-09-21
Abstract: PROBLEM TO BE SOLVED: To provide a rolling bearing unit for a wheel, configured to reduce the amount of water damage, and to improve drainage performance of muddy water having entered a sealing member.SOLUTION: The rolling bearing unit 20 for a wheel includes: an outer ring member 24 fixed to a vehicle body side; a hub shaft member 30 which is disposed so as to be inserted into the outer ring member 24 and includes at an axial end portion, a hub flange 42 for fixing the wheel; and balls 26 (rolling elements) interposed between the hub shaft member 30 and the outer ring member 24. The hub shaft member 30 is supported so as to be turnable around axial center with respect to the outer ring member 24. A sealing device 50 (sealing member) for the rolling bearing is provided at a position on the side of the hub flange 42 in a circular space between the outer ring member 24 and the hub shaft member 30. In a gap between the hub flange 42 and an axial end face of the outer ring member 24 facing the hub flange 42, a gap on the ground side, which is a ground contact face of the wheel, is set relatively larger, while a gap on the upper side opposite the ground side is set smaller.
Patent JP-2013068369-A (JP)
Title: Forced circulation-type solar heat water heater
Inventor: BABA TOSHIHISA
IPC: F24J2/40
Filed: 2011-09-22
Abstract: PROBLEM TO BE SOLVED: To provide a forced circulation-type solar heat water heater capable of avoiding reduction in radiation loss and heat collecting performance when the amount of solar light received is large, and also avoiding heat absorption in a hot water tank by a head medium when the amount of solar light received is small by changing the circulation amount per unit time of the heat medium by a circulation device.SOLUTION: The forced circulation-type solar heat water heater 1 includes: a heat collecting plate 2 for heating the heat medium by solar heat; the hot water tank 4 for storing water heated by the heat medium N; a circulation pump 6 for circulating the heat medium N between the heat collecting plate 2 and the hot water storage tank 4; and a control unit 9 for controlling the operation and stoppage of the circulation pump 6 and an instantaneous heat medium circulation amount that is the amount per unit time of the heat medium N to be circulated by the circulation pump 6. The instantaneous heat medium circulation amount by the circulation pump 6 is changed.
Patent JP-2013067326-A (JP)
Title: Hydraulic control device and drive force distribution device of four-wheel drive vehicle having the same
Inventor: YOSHINO HIROKI
IPC: H02P29/00
Filed: 2011-09-26
Abstract: PROBLEM TO BE SOLVED: To detect a failure in an electric motor with high accuracy and to reduce a probability of falsely detecting a failure of an electric motor in a normal condition.SOLUTION: A hydraulic control device (60) for a four-wheel drive vehicle controls operation of a clutch (10) for front-rear torque distribution by hydraulic pressure supplied from an oil pump (35) that is driven by a motor (electric motor) (37). In hydraulic control device (60), the motor failure determination means for determining a failure of the motor (37) calculates a motor drive current integrated value (Is) to be obtained by integrating a drive current value (I) of the motor (37) from a failure detection start time (t2) of the motor (37), and also, increases a threshold (Ith) for motor failure determination by a predetermined proportion. When the motor drive current integrated value (Is) is equal to or lower than a threshold (Ith), a failure of the motor (37) is decided after completion of counting in a failure confirmation timer (Tm2).
Patent JP-2012215817-A (JP)
Title: Cellulose acylate film, retardation film, polarizing plate and liquid crystal display device
Inventor: KUWAYAMA YASUKAZU
IPC: C08L1/12
Filed: 2011-09-26
Abstract: PROBLEM TO BE SOLVED: To provide a cellulose acylate film which can suppress retardation variation depending on environmental humidity.SOLUTION: A cellulose acylate film contains a highly hygroscopic compound with 2% or more of a moisture content difference in an amorphous state (that is, a difference between a moisture content under 25°C and 10% relative humidity and a moisture content under 25°C and 80% relative humidity).
Patent JP-2013081014-A (JP)
Title: Image processing device, image processing method, image processing program and printing system
Inventor: ONO TSUKASA
IPC: H04N1/46
Filed: 2011-10-03
Abstract: PROBLEM TO BE SOLVED: To print an image having a visually increased contrast at low cost.SOLUTION: An image processing device 100 reduces a density of a boundary region so that it becomes lower than densities of both a background region and a pattern region. The boundary region is a boundary between the background region of a monochromatic image and the pattern region that is a foreground superposed on the background region and that has a density difference from the background region higher than a predetermined value.
Patent JP-2013083688-A (JP)
Title: Condenser lens and microscope device
Inventor: TOMIOKA SADAHIRO
IPC: G02B21/06
Filed: 2011-10-06
Abstract: PROBLEM TO BE SOLVED: To provide a condenser lens that achieves high optical performance such as a long object distance and a large numerical aperture and that is short in overall length, and to provide a microscope device having this condenser lens.SOLUTION: The condenser lens CL, which is used in the microscope device 10 and condenses observation light from a specimen, comprises, in order from the side where observation light is condensed and emitted; a first lens group G1 having positive refractive power; a second lens group G2 having positive refractive power; and a third lens group G3 having positive refractive power. The condenser lens satisfies predetermined conditions.
Patent JP-2013084402-A (JP)
Title: Heating cooker
Inventor: SEKI MASATO
IPC: H05B6/12
Filed: 2011-10-07
Abstract: PROBLEM TO BE SOLVED: To suppress the aspiration of liquid, steam, and soot to a body, by sucking air from a front surface.SOLUTION: A heating cooker includes: a body; a heating coil 11; a control circuit 150; a substrate case 14 accommodating the control circuit 150, provided with a partitioning plate 14b on a bottom surface 14a, and disposed on a bottom surface 2a in the body; a blower fan 12 provided with a blowing portion 12b for blowing cooling air to the control circuit 150 in the substrate case 14 and a suction portion 12a for sucking air for the cooling air, and disposed behind the substrate case 14; a rear suction port 7a opening to a back surface portion 2b behind the body so as to suck outside air; a front suction port 7b opening on a body front surface side so as to suck the outside air; and a rear space 50 communicating the suction portion 12a of the blower fan 12 and a space of the rear suction port 7a and the front suction port 7b. Between the front suction port 7b and the rear space 50, a space passage 90 composed of the bottom surface 14a of the substrate case 14, the bottom surface 2a of the body, and the two partitioning plates 14b on the outside of the bottom surface 2a of the substrate case 14, is provided.
Patent JP-2014014197-A (JP)
Title: Single-phase brushless motor
Inventor: ISHIKAWA MICHITOMO
IPC: H02P6/15
Filed: 2011-10-07
Abstract: PROBLEM TO BE SOLVED: To provide a single-phase brushless motor that implements high efficiency and the like.SOLUTION: The single-phase brushless motor includes: a plurality of coils 3b configured in a single phase; a sensor 5 for detecting a magnetic pole change with rotation of a rotor 2; and an energization mechanism 4 for driving the rotor 2 at a predetermined rotational speed. The energization mechanism 4 can switch between rectangular wave energization in which an applied voltage applied to the coils 3b represents a rectangular waveform and pseudo sinusoidal wave energization in which the applied voltage represents a pseudo sinusoidal waveform. The switching between the rectangular wave energization and the pseudo sinusoidal wave energization is performed by gradually changing the waveforms.
Patent JP-2013083545-A (JP)
Title: Method and apparatus for detecting boundary surface states of multilayer pipeline by ultrasonic attenuation method
Inventor: FUKUCHI TETSUO
IPC: G01N29/00
Filed: 2011-10-11
Abstract: PROBLEM TO BE SOLVED: To detailedly and quickly determine mutual boundary surface states of a steel pipe 10 and resin lining 9 constituting multilayer pipeline at a plurality of parts thereof using difference in acoustic impedance densities for every steel pipe 10 and resin lining 9.SOLUTION: The apparatus for detecting boundary surface states of multilayer pipeline: applies ultrasonic waves to the surface of a steel pipe 10 the inner face of which is treated by resin lining 9; detects reflection light corresponding to ultrasonic waves reflected from their boundary with an ultrasonic detector 6 by advancement of ultrasonic waves excited at the surface of the steel pipe 10, to the inside of the steel pipe 10 and the resin lining 9; causes an arithmetic processing unit 8 to collect an attenuated waveform of the acoustic impedance density for every virtual lattice point on the steel pipe 10; and visualizes physical defect information generated on the boundary surface from the comparison results of integrated values, convergence widths and the like of exponential and approximation curves of attenuation waveforms at τ time.
Patent JP-2012108483-A (JP)
Title: Image forming apparatus
Inventor: TAKESHITA HIRONOBU
IPC: G03G15/00
Filed: 2011-10-11
Abstract: PROBLEM TO BE SOLVED: To provide an image forming apparatus that has a developing device including a developer stirring member having a number of values of linear velocity to accommodate various types of sheets; and reliably carries out Vt correction without increasing latency time to reduce variation in image density, as developer in a developing unit is deteriorated with time or by environmental change and thereby an output value Vt of toner density detection means is changed.SOLUTION: An image forming apparatus includes: correction amount information for each linear velocity for correcting Vt corresponding to respective values of linear velocity; and correction amount information for correcting Vt relative to a condition other than the linear velocity that affects on an output value of toner density detection means. The image forming apparatus corrects Vt in consideration of the correction amount corresponding to the linear velocity during the toner density detection and the correction amount corresponding to the condition other than the linear velocity during the toner density detection, and determines the toner supply amount based on Vt' after the correction.
Patent JP-2013083325-A (JP)
Title: Transmission housing structure
Inventor: SUZUKI ATSUSHI
IPC: F16H57/028
Filed: 2011-10-12
Abstract: PROBLEM TO BE SOLVED: To provide a transmission housing structure having a simple configuration to suppress vibration and noise of a transmission housing.SOLUTION: The structure of the transmission housing 4 is a structure of a housing 42 of a transmission, which includes a housing 41 for internally housing a transmission 9 for converting input rotary power at a predetermined speed reduction ratio and outputting converted power, and a lever 5 for applying a preload to first to third fixing parts 11, 21, 31 at different positions in the housing 41, wherein the lever 5 is positioned between the housing 41 and a fastening member 6 at three fixing parts 11, 21, 31, respectively, at least one of the three fixing parts 11, 21, 31 has a damping member 7 for damping vibration with respect to a direction in which the preload is applied, in at least either of a part between the lever 5 and the housing 41 and a part between the lever 5 and a part 61 of the fastening member 6.
Patent JP-2013084498-A (JP)
Title: Coaxial connector device
Inventor: TAKANO TOMOHITO
IPC: H01R24/40
Filed: 2011-10-12
Abstract: PROBLEM TO BE SOLVED: To provide a coaxial connector device which is mounted on a coaxial cable, in which a projection dimension from a substrate at the time of fitting to a mating connector device can be reduced and which can appropriately and reliably perform contact connection between a contact member and a signal terminal part of the substrate.SOLUTION: A coaxial connector device includes: a contact member 20 having a central conductor connection part 60 connected to a central conductor 12 of a coaxial cable and an elastic contact engagement part 61; and a ground contact member 21. When an annular fitting part 26 of the ground contact member 21 is fitted and connected to an annular ground contact part 39 of a mating connector device 30, the elastic contact engagement part 61 extends by penetrating the inside of the annular ground contact part 39 and is connected to a signal terminal part 34 located on an internal surface of a through hole 33 formed on a circuit substrate 31 by contact engagement in such a way that the signal terminal part 34 is pressed in a direction orthogonal to a direction of fitting to the annular ground contact part 39 of the annular fitting part 26.