baber/WOPTO huggingface dataset:
Patent JP-2002344020-A (JP)
Title: Nitride-based semiconductor light-emitting device
Inventor: TATSUMI MASAKI
IPC: H01S5/0231
Filed: 2001-05-15
Abstract: PROBLEM TO BE SOLVED: To provide a nitride-based semiconductor light-emitting device, in which peeling off of an n-type electrode is not caused due to thermal strains. SOLUTION: This nitride-based semiconductor light-emitting device has a light-emitting element, composed of a multilayered nitride-based semiconductor film 102 on an n-type GaN substrate 101, in a state with the substrate 101 side of the element being fixed to the mounting surface of the substrate, and the device also has a metal layer 105 containing a first metal composed of one kind of metal selected from among Hf, Zr, and Sc and a second metal composed of either of Al or Ag, and an ohmic electrode 106 composed of the second metal on the surface of the substrate 101 opposite to the film 102.
Patent JP-2002336390-A (JP)
Title: Golf club head and its production method
Inventor: TAKANO YOSHIE
IPC: A63B53/04
Filed: 2001-05-15
Abstract: PROBLEM TO BE SOLVED: To provide a golf club head which increases repulsion and also to provide its production method. SOLUTION: The golf club head 1 is characterized such that high pressure gas of 0.40-0.98 (MPa) is sealed in a hollow part (i) inside the head and also a face member 2 consisting of a metallic material of 40-100 (GPa) in Young's modulus is used for the face part 4 for shooting a ball.
Patent JP-2002344105-A (JP)
Title: Board unit
Inventor: OKUBO MITSUMASA
IPC: H05K1/14
Filed: 2001-05-17
Abstract: PROBLEM TO BE SOLVED: To improve easiness in assembling of a common board unit which can control different types of units and, at the same time, to reduce the total cost of the board unit by making connection between the board units easier with high area efficiency and reducing the areas of exclusively used board potions of the units to the minimum. SOLUTION: A unit for active AF and another unit for passive AS are made controllable by means of a CPU 61 mounted on a control board 35 composed of a hard board. A flexible board 35 for relaying is constituted so that a signal line which controls the units for active and passive AFs may be drawn out. When the flexible board 36 is connected to the control board 35 by shifting the connecting position of the board 36 with the board 35 in a prescribed direction, the CPU 61 controls the unit for active AF or the unit for passive AF.
Patent JP-2002309913-A (JP)
Title: Valve opening/closing phase continuously variable drive device of valve system
Inventor: NAGAYA KOSUKE
IPC: G01B7/30
Filed: 2001-04-10
Abstract: PROBLEM TO BE SOLVED: To solve a problem that since a worm and a worm gear are used for fixing of a sun gear, these is a defect that a device is increased in size and a delay in control due to employment of the worm, in this device though a valve opening/closing phase continuously variable control device for an engine valve system using a planetary gear mechanism is developed. SOLUTION: By connecting a ultrasonic motor to a control input shaft (6) in Fig 1 given in the application applied in 2000 (a reference number: NH-2, the receipt number: 20000450316, an application number: 2000-107383, the name of the invention: valve phase continuously variable control device for an engine valve system), a sun gear is fixed by friction torque of the ultrasonic motor during a standstill.
Patent JP-2002341608-A (JP)
Title: Toner quantity measuring device and image forming apparatus
Inventor: KUNO TORU
IPC: G03G15/00
Filed: 2001-05-21
Abstract: PROBLEM TO BE SOLVED: To accurately measure a quantity of toner from a very small quantity of toner such as fog toner or transfer residual toner to a large quantity of toner such as a developed toner image. SOLUTION: A control device 130 calculates an effective value S(x) that satisfies the following equation: S(x)= (T(x)-T1)/(R0-T1)}×(R(x)-T(x)+ (R 0-T(x))/(R0-T1)}×(R0-T(x)), wherein T(x) represents a quantity of reflected light which is indicated by a signal output from a sensor unit 120, R(x) represents a quantity of reflected light, which is obtained when toner is unfixed on a surface of a photoreceptor roll 110, R0 represents the average of R(x), and T1 represents the quantity of reflected light, which is obtained when toner is spread on the surface of the photoreceptor roll 110. The control device 130 further calculates a quantity of toner based on the obtained effective value S(x).
Patent JP-2002353441-A (JP)
Title: Power mos transistor
Inventor: MIZUNO SHOJI
IPC: H01L27/08
Filed: 2001-05-22
Abstract: PROBLEM TO BE SOLVED: To provide a power MOS transistor, which has high in proof quantity with respect to an electrostatic discharge(ESD). SOLUTION: A power MOS transistor has a structure with a channel region 4 formed in the surface layer part of an n-type well layer 3 in a semiconductor substrate, a source region 5 is formed in the surface layer part of the region 4, and moreover, a p<+> body region 6 which is deeper than the region 4 is formed in the semiconductor substrate. P<+> impurity diffusion embedded layers 15 are formed in the semiconductor substrate under the lower parts of drain electrodes 12 and each of the layers 15 turns into one part of the breaking current paths to reach from the electrodes 12 to a source electrode 10 via the region 6. In the semiconductor substrate, a p-type impurity diffusion embedded layer 16 is extendedly provided from the layers 15 to the lower part of the region 6 and the layer 16 becomes one part of the breaking current paths.
Patent JP-2002350176-A (JP)
Title: Behavior sudden-change detector for vehicle
Inventor: MATSUI TOSHINORI
IPC: B60R21/00
Filed: 2001-05-23
Abstract: PROBLEM TO BE SOLVED: To solve the problem that a conventional behavior sudden-change detector does not take a vehicle speed into consideration when a behavior sudden change is detected, and that the behavior sudden change cannot be detected precisely because the behavior sudden change is detected on the basis of the same reference at a low-speed running operation and a high-speed running operation. SOLUTION: The vehicle speed 3 is detected by a vehicle-speed detection means 2; a steering-wheel operation amount 6 is detected by a steering-wheel operation-amount detection means 5; and whether the detected vehicle speed 3 and the detected steering-wheel operation amount 6 are in a danger region or not is judged by a danger-region judgment means 1, by using the detected vehicle speed 3 and the detected steering-wheel operation amount 6, and by referring to a relational diagram in which the danger region is defined in advance on the basis of the relationship between the vehicle speed and the steering-wheel operation amount. As a result, the behavior sudden change of a vehicle is judged.
Patent JP-2002349933-A (JP)
Title: Controller for air conditioning of air-conditioning facility
Inventor: YONEZAWA KENZO
IPC: F24F11/02
Filed: 2001-05-24
Abstract: PROBLEM TO BE SOLVED: To provide a controller for air conditioning for an air-conditioning facility, in which both comfort and energy-saving can be satisfied simultaneously, and condensation prevention is taken into account also from occurring on a showcase glass pane. SOLUTION: The air-conditioning controller 1 is provided with a comport index computing means 2, a controlled variable set-value computing means 3, and a controlled variable set-value correcting means 4. The means 2 computes a comfort index, the means 3 computes a controlled-variable set-value, and the means 4 corrects the controlled-variable set-value and obtains a corrected control-variable set-value. Informations on clothes weight and an activity volume are entered in the means 2 to compute comfort index. The means 3 computes on the basis of an obtained comports-index a controlled-variable set-value of the air conditioner simultaneously satisfying energy-saving and comport inside a room. The means 4 obtains a corrected controlled-variable set-value by correcting a controlled-variable set-value, on the basis of a controlled variable set-value and information from the device 5.
Patent JP-2002349748-A (JP)
Title: Water cut-off valve and cooling system of spot welding gun
Inventor: TOGOSHI YASUNORI
IPC: F16K31/126
Filed: 2001-05-25
Abstract: PROBLEM TO BE SOLVED: To provide a water cut-off valve for controlling water supply-discharge only by a drain flow rate by one valve element, and a cooling system of a spot welding gun capable of reducing an equipment cost by this water cut-off valve. SOLUTION: This water cut-off valve 20 has a water supply opening-closing valve 9 for opening and closing a valve seat hole 6 opening in a partition wall 4 arranged in a water supply passage 2, a drain opening-closing valve 10 for opening closing a valve seat hole 7 opening in a partition wall 5 arranged in a drain passage 3 parallel to the water supply passage 2, a rod 8 for connecting the water supply opening-closing valve 9 and the drain opening- closing valve 10, and a diaphragm 12 for axially moving the rod 8 to the drain opening-closing valve 10 side of the rod 8 by the drain flow rate. It opens and closes the water supply opening-closing valve 9 and the drain opening-closing valve 10 via the rod 8 by the drain flow rate. The water cut-off valve 20 is arranged in a water supply-discharge pipe of the cooling system of the spot welding gun.
Patent JP-2002347706-A (JP)
Title: Arch structure of automatic packing machine
Inventor: YOSHINO SUEFUMI
IPC: B65B13/04
Filed: 2001-05-25
Abstract: PROBLEM TO BE SOLVED: To provide an arch structure of an automatic packing machine which has a wider lateral movement of an arch than the width of a band when removing the band, secures charging of the band to the total length of a band introduction groove even with twist or wind at the end of the band, and secures removement of the band from the band introduction groove. SOLUTION: A band introduction groove 5 which openes at side surface is formed on an arch 2, an arch cover 8 facing to an opened surface of the band introduction groove 5 of the arch 2 is raised and fixed, lower parts on both sides of an arch frame 6 fixed on the outside of the arch 2 so as to move integrally therewith are supported by guide mechanisms 7 for guiding the lateral movement of the arch 2, to the arch 2 and the arch frame 6 a spring force in a direction constantly returning to a position where an opening of the band introduction groove 5 are closed with an opposing arch cover 8 is urged by coil springs 24 held in compression between opposing surfaces of the arch frame 6 and the arch cover 8, and the arch frame 6 is interlocked with a lateral movement mechanism 14 of the arch 2 to laterally move the arch 2 greater than the width of the band, so that the band is removed.
Patent JP-2002349710-A (JP)
Title: Packing and hydrogen desorption device using the same
Inventor: FUNAI HIDEKI
IPC: C01B3/00
Filed: 2001-05-25
Abstract: PROBLEM TO BE SOLVED: To enable a cylindrical vessel for discharging hydrogen made of an alloy of palladium and a silver more rigid than a vessel made of palladium to be reliably mounted in an airtight state despite of a kind of a metal for mounting. SOLUTION: A packing 10B consists of a cylinder part 12 made of a material equivalent to or softener than at least one of a cylindrical vessel 20 and a mouthpiece 30 and having an outside diameter slightly smaller than the inside diameter of a parallel part 24 of the cylindrical vessel 20; and a taper-form part 11 expanding in a divergent shape from one end of the cylinder part 12. A packing 10A having no cylinder part 12 but consisting of only the taper-form part 11 is acceptable.
Patent JP-2002349585-A (JP)
Title: Rolling bearing, and manufacturing method therefor
Inventor: AZUMA TOSHIAKI
IPC: F16C33/64
Filed: 2001-05-25
Abstract: PROBLEM TO BE SOLVED: To make an unfavorable impact flaw hardly generated in a chamfered portion of a rolling bearing, and form precise chamfering. SOLUTION: The chamfering A for inner and outer rings of the rolling bearing is carried out by grinding work after heat treatment, and the unfavorable flaw is thereby prevented from being generated on the chamfering to provide the precise and optimum chamfering A.
Patent JP-2002055068-A (JP)
Title: Gas detector and autoventilation system for vehicle
Inventor: KIMOTO YUJI
IPC: F02D45/00
Filed: 2001-05-25
Abstract: PROBLEM TO BE SOLVED: To provide a gas detector which reduces the influence due to environment, such as temperature, humidity, wind velocity or the like and which can detect changes in the concentration of a specific gas, and to provide an autoventilation system for a vehicle which uses the gas detector. SOLUTION: In the gas detector 10, using a gas sensor element 11 whose sensor resistance Rs is changed according to the concentration of a gas such as NOx or the like and in the autoventilation system 100 for the vehicle, the output of a sensor-resistance value conversion circuit 14 is A/D-converted, a sensor output value S(n) is acquired, a base value B(n) is calculated using B(n)= B(n-1)+k1 S(n)-B(n-1)}, and a difference value D(n)=S(n)-B(n) is calculated. When the concentration of the gas becomes high and when the difference value becomes higher than a prescribed concentration threshold, a concentration high- signal is generated, a flap 34 is closed, factor k2 which is smaller than k1 is used, and the base value B(n) is calculated using B(n)=B(n-1)+k2 (S(n)-B (n-1)}.
Patent JP-2002350541-A (JP)
Title: Active sonar apparatus
Inventor: OTAKA TOSHIAKI
IPC: G01S15/50
Filed: 2001-05-25
Abstract: PROBLEM TO BE SOLVED: To provide a self Doppler erasure system of an active sonar apparatus for improving the decrease in accuracy for the Doppler measurement of a target echo. SOLUTION: A transmission signal generation section 2 generates the transmission source signal of two different kinds of basic frequencies F1 and F2, and transmits the sound wave of the two kinds of basic frequencies in a specific azimuth from an arrangement transducer 1 via a transmission control section 3 and a transmission/reception switcher 4. The sound wave being received by the arrangement transducer 1 is outputted to filter sections 5 and 12 via the transmission/reception switcher 4. Then, the amounts of frequency change ΔF1 and ΔF2 of each reverberation are calculated by an F1 phase-adjusting section 6, an FFT section 9, and a reverberation peak frequency detection section 10, and F2 phase-adjusting section 13, an FFT section 14, and a reverberation peak frequency detection section 15.  A correction coefficient calculation section 11 calculates a correction coefficient required for erasing own Doppler using the ΔF1, ΔF2, F1, and F2 for outputting to an own Doppler erasure section 7.
Patent JP-2002367723-A (JP)
Title: Socket with ejection mechanism
Inventor: HIRATA TOMOHISA
IPC: H01R13/633
Filed: 2001-05-31
Abstract: PROBLEM TO BE SOLVED: To provide a socket with an ejection mechanism with a structure in which an ejection lever is made thin and its strength is kept high. SOLUTION: With the socket with the ejection mechanism provided with a connection terminal 16 in electric contact with a terminal fitted at a mounted card, an ejection lever 15 arranged in the vicinity of the connection terminal 16 for pushing out the mounted card, and an ejection rod for pressing one end of the ejection lever 15 to rotate it around a turning shaft 15a and making the other end of the ejection lever push out the card, the ejection lever 15 is structured with a metal base body 20, and a resin cover 21 covering the side of the metal base body 20 opposing the connection terminal 16.
Patent JP-2002359028-A (JP)
Title: Lever connector
Inventor: OKABE TOSHIAKI
IPC: H01R13/629
Filed: 2001-05-31
Abstract: PROBLEM TO BE SOLVED: To improve workability of fitting work of female-male housings without enlarging a lever connector. SOLUTION: This lever connector has a male housing 39, a lever 41 freely rotatable by connecting the lengthwise side and the other side to this male housing 39, a connecting part 43 for connecting this lever 41 to the male housing 39, and the female housing 45 for housing and fitting the male housing 39. The connecting part 43 is composed of projection parts 51 and 51 arranged in either one of the male housing 39 or the lever 41, and engaging holes 75 and 75 for engaging with the projection parts 51 and 51 by being arranged in the other of the male housing 39 or the lever 41, and formed lengthwise toward one side of the lever 41 to the projection parts 51 and 51. The lever 41 can be displaced to the other side to a fitting position in a fitting state of the female-male housings 39 in a normal state.
Patent JP-2002355411-A (JP)
Title: Pachinko game machine
Inventor: ENOMOTO HIROSHI
IPC: A63F7/02
Filed: 2001-06-01
Abstract: PROBLEM TO BE SOLVED: To provide a pachinko game machine capable of increasing the interest of a game so that a player continuously performs the hitting operation of pachinko balls when a ready-to-win state occurs. SOLUTION: This machine is provided with a masking means for applying a masking so as not to visually recognize a part of patterns displayed at the time of the ready-to-win state on a prescribed part on the front surface of a pattern variable display device, and a unmasking means for releasing a masking state by the masking means only for fixed time thereby making displayed patterns visually recognizable when the pachinko ball hit by the player is detected by a prescribed detection means provided in a game area.
Patent JP-2002365275-A (JP)
Title: Diffusive gas concentration detection pipe
Inventor: MATSUNOBU KUNIAKI
IPC: G01N31/22
Filed: 2001-06-04
Abstract: PROBLEM TO BE SOLVED: To provide a diffusive gas concentration detection pipe bringing about measurement of better accuracy and higher sensitivity from a viewpoint of the subject related to a measure of an endocrine disruptor having become a problem in recent years. SOLUTION: The diffusion type gas concentration detection pipe is equipped with a rod-shaped air permeable porous body 142 and the reagent impregnated carrier 144 allowed to fill the periphery of the air permeable porous body 142. The body 142 has a through-hole 142A provided to the center in the longitudinal direction thereof and, as a material thereof, a chemical resistance material such as polyethylene, polypropylene, Teflon (R) or the like is designated and used in a form of an open-cell type foam. As the air permeable porous body 142, for example, a silica gal, activated alumina, silica sand or the like can be used. As a material of press fitting bodies 16 and 16, a material similar to the air permeable porous carrier 142 and a usual material, for example, a fabric such as cotton cloth, a nonwoven fabric, filter paper, porous ceramics or the like are designated.
Patent JP-2002365831-A (JP)
Title: Electrophotographic toner and image forming method
Inventor: KASAI TADASHI
IPC: G03G9/08
Filed: 2001-06-04
Abstract: PROBLEM TO BE SOLVED: To provide electrophotographic toner which can obtain a high quality image stable with the lapse of time even by using the electrophotographic image forming device of an oil-less fixing system having a recycle mechanism for returning the recovered toner from a cleaning part to a developing part by using a screw coil, is which heat stress to developer and mechanical stress at a developing part and a toner recycle process are significant, and to provide an image forming method using the toner. SOLUTION: This toner is used for the electrophotographic image forming device of the oil-less fixing system, which uses two-component developer consisting of the toner, in which wax is dispersed, and carrier, has the recycle mechanism to return the recovered toner from the cleaning part to the developing part, and uses the screw coil as a feeding means of the recovered toner. The electrophotographic toner is characterized in that the volume average grain size of the toner is defined as 5-10 μm and the ratio of the particles of the grain size of <=5 μm is defined as 60-80 number %.
Patent JP-2002369541-A (JP)
Title: Power converter
Inventor: SANADA KAZUNORI
IPC: H02M7/493
Filed: 2001-06-06
Abstract: PROBLEM TO BE SOLVED: To solve the problems, such as complicated construction and high cost in a power converter structured to output large current by connecting a plurality of inverter circuits in parallel, which requires a total current sensor for detecting total current generated after parallel connection. SOLUTION: This power converter comprises a voltage controller 33 for controlling the detected voltage of a voltage sensor 61 which detects the voltage generated, after the plurality of inverter circuits 60 are connected in parallel, so as to match the command value of a voltage command circuit 31 for giving a command value for the output voltage of the power converter 91; and a current command circuit 34 for giving a command value for the current to be outputted of each of the inverters based on the output of the voltage controller 33.
Patent JP-2002369190-A (JP)
Title: Authentication station and image inputting and transmitting equipment
Inventor: OKAMOTO YOSHINORI
IPC: H04N7/18
Filed: 2001-06-12
Abstract: PROBLEM TO BE SOLVED: To enable judgement that image data are not image data which are captured at present or at least preserve the evidence, when the image data of an image captured in the past and have been kept are transmitted to an authentication station, just like data captured at present. SOLUTION: Information changing by day and time is transmitted to image inputting and transmitting equipment which captures an image and outputs the image data of the image, via a network. Image data which are outputted from the image inputting and transmitting equipment and changed by the information changing by day and time are received via the network. The image inputting and transmitting equipment captures an image and transmits image data of the image to the authentication station via the network. The equipment receives information changing by day and time via the network. The image data are changed by contents of the information changing by day and time.
Patent JP-2002253268-A (JP)
Title: New mutant n-acetyl glutamate synthase and method for producing l-arginine
Inventor: PTITSYN LEONID ROMANOVICH
IPC: C12P13/10
Filed: 2001-06-14
Abstract: PROBLEM TO BE SOLVED: To provide an N-acetyl glutamate synthase having a mutation resistant to the feedback inhibition and a high activity, and to provide an L-arginine- producing bacterium having the enzyme. SOLUTION: This method for producing L-arginine comprises the steps of culturing an escherichia having a DNA encoding a mutant N-acetyl glutamate synthase which has an amino acid sequence modified by replacing the amino acid sequence corresponding to the 15th to 19th of a wild-type N-acetyl glutamate synthase with an amino acid sequence selected from sequence numbers 1 to 4 (see Specification) and is released from the feedback inhibition by L- arginine, accumulating L-arginine in a medium, and collecting L-arginine from the medium.
Patent JP-2002373569-A (JP)
Title: Electron source and its manufacturing method
Inventor: MORIKAWA KAZUTOSHI
IPC: H01J9/02
Filed: 2001-06-15
Abstract: PROBLEM TO BE SOLVED: To make distances between a draw out electrode and a negative electrode uniform, and obtain an electron source having a uniform electron emission by suppressing unevennesses and projection on the negative electrode surface. SOLUTION: A carbonaceous material on a substrate is formed in a pattern of the negative electrode shape, and afterwards, the unevennesses and projections of the formed carbonaceous material are crushed by a push treatment of a roll and a press treatment. Because surface roughness of the carbonaceous material becomes smaller, the distances between the drawing out electrode and the negative electrode become constant, and the uniform and stable electron emission becomes possible.