baber/WOPTO huggingface dataset:
Patent JP-2003027975-A (JP)
Title: Outboard motor with internal combustion engine
Inventor: KURODA TATSUYA
IPC: F02B61/04
Filed: 2001-07-12
Abstract: PROBLEM TO BE SOLVED: To reduce the retention fuel on a wall face of an intake port provided with an intake valve to be stopped and the variation of an air-fuel ratio, and to improve the combustion stability, in an outboard motor with an internal combustion engine wherein the opening and closing operation of one of a pair of intake valves is stopped. SOLUTION: This outboard motor is provided with the internal combustion engine having a vertically directed crank shaft, the intake port 31 having a pair of intake ports 31U, 31L, and a fuel injection valve F for feeding the liquid fuel to the intake port 31. The intake port 31 has an upper branch port 31a and a lower branch port part 31b vertically arranged, a valve operating characteristic varying mechanism of a valve system stops the opening and closing operation of the first intake valve for opening and closing the upper intake port 31U of the upper branch port 31a to keep it in a valve-closed condition, and opens and closes the second intake valve for opening and closing the lower intake port 31L of the lower branch port part 31b, in a low rotating speed zone of the internal combustion engine.
Patent JP-2003028527-A (JP)
Title: Internal heat exchanger for stirling engine, and stirling refrigerating machine
Inventor: TAKUSHIMA AKIRA
IPC: F25B9/00
Filed: 2001-07-16
Abstract: PROBLEM TO BE SOLVED: To provide an internal heat exchanger for a Stirling engine which enables effective use of a wide face of the fore end of a cold head so as to absorb heat. SOLUTION: First and second virtual concentrics C1 and C2 are provided virtually on a disk-shaped base 18 in the sequence from one of a smaller radius, and a plurality of first and second flat plate fins 191 and 192 are provided respectively in the radial direction and at equal intervals along the circumferences of the first and second virtual concentrics C1 and C2. On the occasion, the pitch angle θ2 of the second flat plate fins 192 is made smaller than the pitch angle θ1 of the first flat plate fins 191.
Patent JP-2003029149-A (JP)
Title: Projection optical system, display device using the system, picture processor having the device
Inventor: KUREMATSU KATSUMI
IPC: G02B27/18
Filed: 2001-07-18
Abstract: PROBLEM TO BE SOLVED: To provide a projection optical system which suppresses distortions for performing optical aspect conversion, even though it has wide angle of view and a short projection distance, a display device using the projection optical system, and a image processor having the display device. SOLUTION: The projection optical system projects image light from an image display element onto a projection object face and is provide with a plurality of aspherical curved surface mirrors, and image light is so projected that the aspect ratio of the image formed on the picture display element and that of the image projected on the projection object face may be made different by imaging action resulting from synthesis of light reflection angle modulating actions of the surface of each of the mirrors.
Patent JP-2003025812-A (JP)
Title: Pneumatic tire and its vulcanizing metal mold
Inventor: IWAMURA KAZUMITSU
IPC: B60C11/12
Filed: 2001-07-18
Abstract: PROBLEM TO BE SOLVED: To greatly improve performance on ice-covered roads and suppress a knife blade from coming off and bending in forming a sipe. SOLUTION: An opening edge shape 9 of a sipe 4 opened in a block surface 3S has a zigzag part 9A in the length direction extending from one end E1 to the other end E2. The sipe 4 is so formed that the zigzag part 9A is displaced in the length direction while substantially holding the opening edge shape 9 in the depth direction and the length-directional displacement is repeated in one side and the other side in this order via a displacement turning point 10.
Patent JP-2003037017-A (JP)
Title: Flyback transformer
Inventor: NAITO KENJI
IPC: H01F27/32
Filed: 2001-07-23
Abstract: PROBLEM TO BE SOLVED: To obtain a flyback transformer of which the height is lowered. SOLUTION: A flyback transformer 10 includes a winding part 11 comprising a low-voltage winding bobbin 12 having a flat sectional shape, a high-voltage winding bobbin 14, a low-voltage winding 20 and a high-voltage winding 32. The high-voltage winding 32 is wound to obtain a laminar winding and a diode 34 is connected between the windings of each layer. The output side of the high-voltage winding 32 is connected to a high-voltage capacitor 50 and a high- voltage resistance board 52. The diode 34, the high-voltage capacitor 50 and the high-voltage resistance board 52 are disposed in the longitudinal direction of the flat shape of the winding part 11.
Patent JP-2003032958-A (JP)
Title: Motor
Inventor: YAMAGUCHI SHINJI
IPC: F04B43/02
Filed: 2001-07-23
Abstract: PROBLEM TO BE SOLVED: To provide a motor which can avoid creeping of its ball bearings, while a preload is applied to them. SOLUTION: An inner ring of ball bearings 12 is pushed into a rotary shaft 23, and an outer ring of the ball bearings is fixed to a bearing holder 11 with set screws 14 via a pressing plate 13. The bearing holder 11 is fixed to a bracket 21 with screws 26 via spacers 24 and spring washers 25, to apply a preload to the ball bearings 12.
Patent JP-2003034103-A (JP)
Title: Suspension built-in wheel
Inventor: MORITA YUJI
IPC: B60B9/10
Filed: 2001-07-24
Abstract: PROBLEM TO BE SOLVED: To lower a vehicle body floor in a vehicle and increase a cabin space in the vehicle. SOLUTION: This suspension built-in wheel comprises: a hub 1 formed into an approximately cylindrical shape and connected with a wheel shaft A; and a rim 2 positioned to an outer peripheral side of the hub 1 for installing a tire T interposedly therein. The wheel further comprises: an elastic body 3 which contracts when external force applies and elongates when the external force is released; and a cylindrical damper 4 which is arranged in parallel with the elastic member 3 and absorbs an energy at elongation of the elastic member 3 between an outer periphery of the hub 1 and an inner periphery of the rim 2.
Patent JP-2003035927-A (JP)
Title: Camera system
Inventor: YAMANAKA TOMOAKI
IPC: G03B7/20
Filed: 2001-07-24
Abstract: PROBLEM TO BE SOLVED: To solve the following problem; if a status signal has been transmitted from attached equipment after the status signal transmission command is transmitted from the camera main body wherein the change of a signal level showing the change of the state of the attached equipment is detected, starting an automatic focusing control, etc., is delayed. SOLUTION: As for the camera system constituted of the camera main body 108 and the attached equipment 104 which is attachably/detachably loaded to the camera main body so as to perform a serial system data communication between the camera main body and the equipment through a data communication line, the attached equipment is controlled so that the signal level of the data communication line may be changed to a prescribed level (Low) as the change of the state of the attached equipment is detected, and also, the status signal showing the state of the attached equipment may be transmitted to the camera main body after changing the signal level, and the camera main body is controlled so that a status signal receiving processing may be performed as the signal level is changed to the prescribed one.
Patent JP-2003037642-A (JP)
Title: Data mapping method and inverse data mapping method
Inventor: UTO YUJI
IPC: H04L27/34
Filed: 2001-07-25
Abstract: PROBLEM TO BE SOLVED: To provide a data mapping method, with which odd and even number bits streams can be assigned to a subcarrier without expanding the scale of a system. SOLUTION: When assigning the bit stream of a length 2n-1 ((n) is an integer >=2), a bit stream excluding a most-significant bit from this bit stream is mapped as a bit stream of a length 2n-2 (step S2) and a prescribed arithmetic operation corresponding to the code of a coordinate value at a mapping position in the bit stream of the length 2n-1 is applied to the mapping position, where mapping is performed as a bit stream of 2n-2, so that the mapping position can be moved to the position in the bit stream of the length 2n-1 (steps S3-S8). Then, a bit stream, in which the excluded most-significant bit stream is '1', is assigned at a position provided as a result of this arithmetic operation.
Patent JP-2003038020-A (JP)
Title: Bundled waste culm conveyor for combine harvester
Inventor: YASUMURA KOJI
IPC: A01F12/00
Filed: 2001-07-26
Abstract: PROBLEM TO BE SOLVED: To provide a bundled waste culm conveyer for a combine harvester capable of displacing a guide rail in a stored state into a proper posture for conveying the bundled waste culm in a simple operation in bundling work. SOLUTION: This bundled waste culm conveyer comprises a horizontally fixed tubular body 11 loosely fitting an end of U shaped arm 10 on the outside of a bracket 4 set to bridge across a non-conveying path of a conveying body, a tubular body 5 which is loosely fitting a supporting rod 3a of a guide rail 3, fixed on one end side 10' of the arm 10 in a form orthogonal to the tubular body 11, and a plate 12 on the bottom of the bracket 4 to hold the bottom of the supporting rod 3a, as a result, the guide rail 3 is held in a guiding posture for conveying which has almost the same height as that of the conveying body, only upward sliding the guide rail 3 in a storing state and inclining to the outside.
Patent JP-2003042424-A (JP)
Title: Fluidized bed furnace, and supply method for solid incinerated substance with low specific gravity to the fluidized bed furnace
Inventor: YAMADA NAOTAKE
IPC: F23C10/02
Filed: 2001-07-26
Abstract: PROBLEM TO BE SOLVED: To ensure a necessary heat source by increasing the amount of supply of a solid incinerated substance with low specific gravity without deteriorating uniformity of temperature in a system of a fluidized bed A when the solid incinerated substance with low specific gravity is supplied to a fluidized bed furnace. SOLUTION: In a fluidized bed furnace wherein a fluidized bed A is formed by injecting a fluidized fluid into a furnace body 1 in which a fluid medium is held, a supply pipe 20 is laterally or downwardly inserted into the furnace body 1 such that it is opened to a concentrated layer section B formed on the side of a furnace bottom section 9 of the fluidized bed A, from which pipe 20 a solid incinerated substance with low specific gravity is in turn supplied.
Patent JP-2003046602-A (JP)
Title: Portable telephone speaker, microphone and communication system
Inventor: KOHAMA TOMOKO
IPC: H04W88/02
Filed: 2001-07-27
Abstract: PROBLEM TO BE SOLVED: To provide a portable telephone system with which even a person having a difficulty in hearing or in sight can perform satisfactory communication, equipped with versatility available for multiple purposes, portable telephone, a speaker and a microphone comprising such a portable telephone system. SOLUTION: This system is composed of portable telephone provided with a transmitting data converting part 114 for performing the mutual conversion of voice and character and a receiving mode switching part 104 for switching a first mode for performing communication on a telephone line and a second mode for performing the mutual conversion of voice and character, a speaker 200 provided with a character converting part 208 for converting voice data to character data, and a microphone 300 provided with a character converting part 306 for converting inputted voice data to character data.
Patent JP-2003039595-A (JP)
Title: Double-sided copper-clad laminate for forming capacitor layer and manufacturing method thereof
Inventor: KUWAKO FUJIO
IPC: H05K1/03
Filed: 2001-07-30
Abstract: PROBLEM TO BE SOLVED: To provide a double-sided copper-clad laminate for forming a capacitor layer which has an insulating layer showing excellent properties of withstand voltage without short-circuiting even when a voltage is impressed between copper leaf surfaces and beside not being destructed by a showering pressure on the occasion of etching. SOLUTION: The double-sided copper-clad laminate for forming the capacitor layer has a constitution wherein copper leaf layers being conductors are provided for outer layers on the opposite sides and a resin layer to be a dielectric is held between the copper leaf layers. The resin layer has a three-layer structure constituted of a thermosetting resin layer, a heat-resistant film layer and the thermosetting resin layer and the total thickness thereof is 25 μm or below.  The thermosetting resin layer is constituted of an epoxy resin material, while the heat-resistant film layer has dry characteristics of a Young's modulus of 300 kg/mm<2> or above, a tensile strength of 20 kg/mm<2> or above and a tensile modulus of elongation of 5% or above and has a softening temperature higher than a molding temperature of the thermosetting resin constituting the thermosetting resin layers positioned on the opposite sides. This film layer is constituted of the resin material having a relative dielectric constant of 2.5 or above.
Patent JP-2003039382-A (JP)
Title: Method and apparatus for manufacturing sheet of food and diced food
Inventor: SHIBAUCHI YOSHITO
IPC: B26D3/00
Filed: 2001-07-30
Abstract: PROBLEM TO BE SOLVED: To provide a method and apparatus for continuously manufacturing a sheet of food into strips or dices while preventing adhesion to blades, irregularity of cut surfaces, deformation, the generation of chips, and the like. SOLUTION: The sheet of food 10 is transferred between an approximately cylindrical rotating-blade unit 20 having on the same axis a plurality of thin, disc-shaped rotating blades 23 having pointed ends and an approximately cylindrical roll unit 30 having recess grooves 33 in the form of a ring at positions corresponding to the tips of the rotating blades, which recess grooves are away from and surround the tips. The sheet of food is cut by the rotating blades into strips and a comb-shaped discharge scraper 40 having protrusions 41 provided in positions opposite to the recess grooves is used for discharging the strips of food as the strips of food are separated from the rotating blades.
Patent JP-2003039450-A (JP)
Title: Method for producing rubber roller
Inventor: NIWANO KENTARO
IPC: B65H5/06
Filed: 2001-07-31
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a rubber roller which can stably obtain the rubber roller having a high outer diameter precision. SOLUTION: In the production method, as a method for producing the rubber elastic layer of the rubber roller having at least a metal core bar and the rubber elastic layer, a cylinder mold is brought into contact with a cylindrical tube mold at longitudinal both end parts of the tube mold, two cylinder pieces for holding the core bar are put together, a rubber material is cast at a low temperature into the cylinder pieces and heated to be vulcanized, after the completion of the vulcanization, the mold is cooled, and the rubber roller in the mold is demolded, the temperature of the mold is divided into several steps when the mold is heated from a low temperature, feedback control is done on the basis of the results of temperature measurement, and the rubber material is heated with power controlled, so that the material is molded while a continuous temperature increase history is kept always constant.
Patent JP-2003045113-A (JP)
Title: Disk player
Inventor: FUJITA MASAHIRO
IPC: G11B20/10
Filed: 2001-08-02
Abstract: PROBLEM TO BE SOLVED: To provide a disk player in which further power saving is achieved compared to a conventional player. SOLUTION: The disk player 1 temporarily stores a signal read from a disk 12 into a memory 9, and switches the actuation/unactuation of a pick up driving means A according to the storage amount of signals. The frequency of a main clock for a microcomputer is reduced to save the power consumption of the disk player 1 when both of the pick up driving means A and a display device are in unactuation.
Patent JP-2002132507-A (JP)
Title: Data analysis apparatus of model conversion type, record medium and program
Inventor: MATSUMOTO KAZUHIRO
IPC: G06F19/00
Filed: 2001-08-08
Abstract: PROBLEM TO BE SOLVED: To provide a data analysis apparatus of model conversion type, a record medium and a program allowing a high-speed prediction with a reasoning algorism based on memory by using a model, even when sample data is not inputted, allowing the prediction, even when inputted, allowing the prediction with reflecting the model and also allowing the prediction with high-speed. SOLUTION: In the apparatus, when a model explaining the status is inputted in either format of a decision tree, of a rule or of calculating expression and when sample data becoming grounds of the prediction is not inputted, data analysis is performed based on the model, a conversion part 29 to create the sample data based on the inputted model and a prediction part 2 to perform a prediction of unknown data whose predictive attribute values are uncertian by using the reasoning algorism are equipped.
Patent JP-2003054873-A (JP)
Title: Self-propelled portal crane and its travel control method
Inventor: OGASAWARA MASANOBU
IPC: B66C19/00
Filed: 2001-08-08
Abstract: PROBLEM TO BE SOLVED: To provide a self-propelled portal crane capable of reducing unpleasant acceleration and deceleration in a driver's seat and improving ride comfort of a driver by controlling rotational frequencies of right and left traveling wheels so that no longitudinal acceleration is caused during turning in a portion of a trolley where the driver's seat and a lifting gear are. SOLUTION: The self-propelled portal crane 1 has the trolley 3 moving in the direction crossing a traveling direction X-X, and it turns by applying a rotational frequency difference to the traveling wheels 7 arranged on both right and left sides of the crane 1 during turning. It is provided with a turn control means applying the rotational frequency difference to the right and left traveling wheels 7 so that acceleration ΔVT in the traveling direction X-X of the trolley 3 is zero during turning.
Patent JP-2003055862-A (JP)
Title: Quilting-shaped cloth
Inventor: YOSHINO HIROYUKI
IPC: D03D11/00
Filed: 2001-08-09
Abstract: PROBLEM TO BE SOLVED: To provide a quilting-shaped cloth looking alike the quilting raw material, capable of being easily produced, having an excellent heat-insulating property and further having bulkiness, an air-ventilating property and softness. SOLUTION: This quilting-shaped cloth is obtained by forming at least one of warp yarn and weft yarn with a yarn for weaving and a yarn for padding, weaving multiple woven textures laminated by >=3 layers in up and down direction with the weaving yarn of the other yarn and the weaving yarn of the above one of the yarns, positioning the yarn for padding between the woven textures laminated in up and down direction, linking the laminated total woven textures and the yarn for padding each other at prescribed positions and also deforming the yarns for padding as a cotton state by a heat shrinkage.
Patent JP-2002141358-A (JP)
Title: Thin film transistor and liquid crystal display unit using the same
Inventor: FURUTA MAMORU
IPC: H01L29/786
Filed: 2001-08-09
Abstract: PROBLEM TO BE SOLVED: To solve the problem that a reduction in an area of an element is difficult though a reducing effect of a leakage current of a thin film transistor connected in series with a thin film transistor having a plurality of LDD structures is large. SOLUTION: The reduction in size of the element and a decrease in the leakage current are made compatible by connecting gate electrodes 15 of the plurality of thin film transistors therebetween only by a region 13b in which an impurity is implanted in a low concentration in a polycrystal semiconductor thin film used for an active layer.
Patent JP-2002123428-A (JP)
Title: Hierarchical encryption scheme for secure distribution of prescribed contents
Inventor: BHATTACHARYA PRABIR
IPC: G06F21/60
Filed: 2001-08-14
Abstract: PROBLEM TO BE SOLVED: To provide a method for distributing an electronic data set of prescribed contents. SOLUTION: In the method for distributing the electronic data set expressing the prescribed contents, this method is provided with a process for dividing the electronic data set into a plurality of files. The first file expresses the version of the prescribed contents at least. The plurality of files are differently encrypted and distributed. Among the plurality of encrypted files, at least one encrypted file is selected to be decrypted on the basis of the level of desired quality. The selected encrypted file is decrypted by decryption keys peculiar for the level of the desired quality and the version of the prescribed contents is recovered.
Patent JP-2003060528-A (JP)
Title: Complex matched filter circuit
Inventor: TERAI KENJI
IPC: H04B1/707
Filed: 2001-08-16
Abstract: PROBLEM TO BE SOLVED: To provide a complex matched filter circuit capable of reducing a circuit scale. SOLUTION: The complex matched filter circuit to be used for receiving a signal of a code division multiple access system is provided with an addition circuit for outputting the sum of two received signals, a subtraction circuit for outputting the difference between the two received signals, a first matched filter circuit inputting the sum and outputting a first output signal, and a second matched filter circuit inputting the difference and outputting a second output signal. In a bit by which the codes of spreading codes set to the first and second matched filter circuit are different from each other, the sum and the difference are replaced with each other.
Patent JP-2003061213-A (JP)
Title: Controller of electric vehicle
Inventor: MARUMOTO KATSUJI
IPC: H02P7/29
Filed: 2001-08-17
Abstract: PROBLEM TO BE SOLVED: To prevent windup of integral compensation and stabilize current control when the proportional/integral compensation or the like is performed for stabilization of control. SOLUTION: An armature chopper controls an armature current with armature current control means 141, 142 which control a running command signal with a current command given via an LPF means 19 and a rate command means 20 or the like and a feedback signal given by armature current detecting means 143, 144 and the armature current control means is provided with a running limiter 148 to limit duty of the armature chopper depending on the running command signal. A field chopper detects an armature current with the armature current detecting means, defines a pattern indicating the armature current as a field current command via a filter or the like to stabilize the signal, and conducts field current control with a field current control means 161 which controls a current with the field current command and the feedback signal given by the field current detecting means.