baber/WOPTO huggingface dataset:
Patent JP-2002335691-A (JP)
Title: Drive device of three-phase brushless motor
Inventor: SEKI KUNIO
IPC: H02P6/182
Filed: 2001-05-09
Abstract: PROBLEM TO BE SOLVED: To provide a drive control technology of a three-phase brushless motor which can accurately identify a stationary position of a rotor relative to a stator and determine a winding to which a current is applied for control to make a motor correctly rotate in the required direction, when the operation of the motor is started without being influenced by noise, and using a simple structure which does not include a counter, an A/D converter, etc. SOLUTION: When a rotor is in a stationary state, short pulse currents, which do not rotate the rotor, are made to flow from one stator winding to two stator windings respectively, and the stationary position of the rotor is identified according to a difference in kick back time which is produced by a difference in inductance changed delicately by the difference in the stationary position of the rotor.
Patent JP-2002026739-A (JP)
Title: Coder and decoder
Inventor: MISHIMA HIDETOSHI
IPC: H04N19/625
Filed: 2001-05-11
Abstract: PROBLEM TO BE SOLVED: To provide a coder and a decoder that can prevent the occurrence of symbol change, at decoding. SOLUTION: When coding, a data stream including variable length coded data resulting from converting digital data is grouped by a prescribed length, an error correction code is added to each group, neglected bit number data, denoting information with respect to the number of bits after the group of error correction coding until a head bit of the variable length coded data, are obtained and are multiplexed with the variable coded data, in terms of time base. When decoding, the neglected bit number data are extracted from the data stream, and only a part of the data stream is inversely converted and decoded, on the basis of the extracted neglected bit number data.
Patent JP-2002343668-A (JP)
Title: Electronic component, circuit board, and packaging body of electronic component
Inventor: MITANI TSUTOMU
IPC: H01G2/06
Filed: 2001-05-15
Abstract: PROBLEM TO BE SOLVED: To provide an electronic component for obtaining sufficient connection strength and the packaging body of the electronic component, when packaging the electronic component by a conductive adhesive rather than solder. SOLUTION: On a surface that comes into contact with the connection member of at least the circuit board of a terminal electrode 1 for constituting the electronic component, a layer 9 is formed, which is made of at least one metal selected from among Cr, Co, Al, Ta, Ti, Si, W, Nb, and V, or an alloy containing at least one metal. For example, a specific metal layer 9 is formed on the surface of a resistor element 8, and the terminal electrode 1 composed of the specific metal layer 9 and the electronic component are formed into one piece, by interposing the conductive adhesive 3 between a circuit board 5 and an electrode 4 to package the electronic component.
Patent JP-2002343789-A (JP)
Title: Auxiliary heat-retention jig, its manufacturing method, wafer boat with heat insulator in plate form, vertical heat treatment equipment, method for modifying the same and method for manufacturing semiconductor device
Inventor: MINAMI SHINJI
IPC: H01L21/22
Filed: 2001-05-16
Abstract: PROBLEM TO BE SOLVED: To provide an auxiliary heat-retention jig necessary for modifying a fast thermal process system of medium temperature type into a fast thermal process system of high temperature type. SOLUTION: The auxiliary heat-retention jig 1 is placed between a wafer boat 4 and a heat-retention jig 2. The auxiliary heat-retention jig 1 is provided with vertically arranged several heat insulators 7 in plate form. The heat insulators 7 are formed of opaque quartz.
Patent JP-2002345214-A (JP)
Title: Small-sized dc coreless motor
Inventor: KOYAMA ATSUKO
IPC: H02K13/14
Filed: 2001-05-16
Abstract: PROBLEM TO BE SOLVED: To provide a small-sized DC coreless motor having a means for suppressing generation of a blackened object which is a factor of inferior continuity and a short life. SOLUTION: This small-sized coreless motor has a cylinder coreless rotor connecting a ceramic varister for spark absorption to a commutator riser part. Or the commutator riser part has a cylinder coreless rotor connecting a ring resistor for spark absorption. Or the commutator riser part has a cylinder coreless rotor connecting a substrate mounting a laminated ceramic capacitor for spark absorption.
Patent JP-2002340928-A (JP)
Title: Acceleration sensor
Inventor: KATO MANABU
IPC: G01P15/13
Filed: 2001-05-16
Abstract: PROBLEM TO BE SOLVED: To provide an acceleration sensor easily absorbing the offset of a sensor output and its fluctuation according to the operating environment, suppressing the increase of chip size. SOLUTION: A first moving part 11 having a specific displacement direction is floatably supported to a substrate 10. A second moving part 12 having the displacement direction is supported to the first moving part 11. To the first and the second moving parts 11 and 12 (structure bodies), an alternating current voltage from an alternating current source 31 is input. A signal corresponding to the charge accumulated in a capacitor formed between the first moving part 11 and fixed electrodes 14a, 14b based on the alternating current signal is input from the fixed electrodes 14a, 14b to first detection circuits 33a, 33b, etc., and the displacement of the first moving part 11 against the substrate 10 is detected. Similarly, the displacement of the second moving part 12 against the substrate 10 is detected.  To the structure bodies, a servo voltage causing electrostatic attraction suppressing the displacement is supplied by overlapping based on the detected displacement of the first moving part 11.
Patent JP-2002343910-A (JP)
Title: Heat sink and its manufacturing method
Inventor: KATAOKA TETSUJI
IPC: H01L23/36
Filed: 2001-05-17
Abstract: PROBLEM TO BE SOLVED: To develop a novel heat sink and its manufacturing method which improves the heat radiation efficiency. SOLUTION: A radiation member having a base 10 directly contacted to an object to be cooled such as electronic component 3 and radiating protrusions 12 projecting from the base 10. The base 10 has standard radiating protrusions 12a not contacted to the object on the front surface and expanded radiating protrusions 12b on the backside so that heat generated from the electronic component 3, etc., is once dispersed over the entire base 10 to conduct the heat therefrom to the standard radiating protrusions 12a on the front surface and to the expanded radiating protrusions 12b on the backside, thereby radiating the heat from the standard and expanded radiating protrusions 12a, 12b to air. Thus, the radiation efficiency of a heat sink 1 is improved.
Patent JP-2002338672-A (JP)
Title: Process for producing polyester
Inventor: HONDA KEISUKE
IPC: C08G63/78
Filed: 2001-05-22
Abstract: PROBLEM TO BE SOLVED: To provide a process for producing a polyester having a high degree of polymerization and good dyeability, which provides improved economy as compared with previously known production processes. SOLUTION: The process for producing a polyester is characterized in that a cyclic polyester oligomer consisting of an aromatic ester structure containing a cationic dye exhaustion seat component is mixed and heated with a polyester.
Patent JP-2002347919-A (JP)
Title: Parts supplying device
Inventor: TANAKA SHIGEKI
IPC: B23P19/00
Filed: 2001-05-22
Abstract: PROBLEM TO BE SOLVED: To provide a parts supplying device capable of supplying a large quantity of parts stably irrespective of the shape of the parts. SOLUTION: The parts supplying device includes a parts carryout vessel 112 which is equipped with a storage member 113 having a storage part formed approximately in an inner conical shape, a ring-shaped member 114 installed in the upper part of the member 113, a parts carryout pipe 115 connected with the ring-shaped member 114, and a lid 116 installed on the ring-shaped member 115. The ring-shaped member 114 is furnished at its inside with a parts aligning groove 114a stretching ring-shapedly round the axis, and inside the groove 114a, a plurality of parts carryout holes 114b are formed dispersively in the groove orbiting direction. The parts carryout hole 114b penetrates the ring- shaped member 114 in its tangential direction. Inside the storage member 113, fluid jetting pipes 114 and 118 are installed to generate a swirling flow for carrying out the parts.
Patent JP-2002056370-A (JP)
Title: Casing for electric package and end member therefor
Inventor: DEPPEN ELIZABETH A
IPC: H01R24/58
Filed: 2001-05-23
Abstract: PROBLEM TO BE SOLVED: To provide a casing for electric package and an end member therefor. SOLUTION: This casing comprises a pair of half shells combined to regulate an internal cavity for containing an electric package. The internal cavity regulated by the half shells is opened at one end part. This end member is provided on the half shell to cover the opening end part of the internal cavity when it is combined and seal the electric package in the opening end part.
Patent JP-2002368668-A (JP)
Title: Method and apparatus for monitoring radio acoustic in digital portable communication network
Inventor: KYU KOTETSU
IPC: H04W4/00
Filed: 2001-05-24
Abstract: PROBLEM TO BE SOLVED: To provide a method and apparatus for monitoring radio acoustic in digital portable communication network. SOLUTION: The apparatus utilizes an existing digital honeycomb mobile phone, from which keys, a screen and a vibration bell are eliminated, a high sensitivity acoustic amplifier circuit is provided in a microphone, and a DTMF decode IC is provided in an incoming line circuit. When the digital honeycomb mobile phone receives a radio wave signal, an automatic junction filter system of a CPU first enters an encryption to a called party, utilizes the DTMF decode IC within a setting time, interprets the encryption entered by the called party by using a telephone key, the system activates a high sensitivity acoustic amplifier circuit, when discriminating the encryption is correct, sound collection at a site is made to make progress, the digital honeycomb mobile phone is utilized to transmit the sound to the called party, to attain object of at site sound monitoring.
Patent JP-2002353965-A (JP)
Title: Output system, and control method for the output system
Inventor: TANEDA JINICHI
IPC: G06F21/62
Filed: 2001-05-25
Abstract: PROBLEM TO BE SOLVED: To provide an output system troublesomeness of the overall configuration, of which the expense of introduction of which can be eliminated, where a third party encounters difficulty in sealing user information, a password and output data from a network, and to provide a control method for the output system. SOLUTION: The output system encrypts output data and attached information and produces transfer data, and devices on the network communicates with each other by the transfer data. Furthermore, an output device receiving output data transmits a reception report to a device transmitting the transfer data by means of encrypted electronic mail.
Patent JP-2002353498-A (JP)
Title: Semiconductor light-emitting device
Inventor: OSAKI TETSUHIRO
IPC: H01L33/30
Filed: 2001-05-29
Abstract: PROBLEM TO BE SOLVED: To provide a high reliability semiconductor light-emitting device having less change due to aging. SOLUTION: In the semiconductor light-emitting device, where a one conductivity-type semiconductor layer 2, an inverse conductivity-type semiconductor layer 3, and an inverse conductivity-type electrode 4 are successively formed on a substrate 1, a one conductivity-type electrode 5 is formed on the back side of the substrate 1, and further the inverse conductivity-type semiconductor layer 3 is composed by laminating at least a light-emitting layer 3a, having an atomic composition of (Ga1- XAlX)As and a cladding layer 3b which has an atomic composition of (Ga1- YAlY)As, the film thickness of the light-emitting layer 3a is set to 0.38 μm or less for prescribing to 0.15<=X<=0.3, 0.2<=Y<=0.3, Y/X<=1.18.
Patent JP-2002349812-A (JP)
Title: Combustion device
Inventor: MO TATSUMURA
IPC: F23D14/64
Filed: 2001-05-30
Abstract: PROBLEM TO BE SOLVED: To provide a fuel-air mixture that is quantitatively uniform without a stagnation zone in the direction perpendicular to an elongate burner port on the elongate burner port. SOLUTION: This combustion device is provided with a fuel-air introduction opening 23, a mixing passage 24, burner-forming bodies 20a and 20b forming an ejective burner port part 26, a small burner-port forming group 29 comprising a plurality of zonal plates 27 dividing the ejective burner port part 26 into a plurality of elongate burner port passages 30 and small burner ports 31 communicating with the burner port passages 30 and located on the downstream side of the burner port passages, and provided with a flow-resistance regulating means 32 of at least one point on the upstream side of the small burner-port forming group 29.
Patent JP-2002359097-A (JP)
Title: Dimmer device of back light
Inventor: NUMATA TERUKI
IPC: G02F1/13357
Filed: 2001-05-30
Abstract: PROBLEM TO BE SOLVED: To solve a problem wherein the maximum luminance is low and response is slow by a burst dimmer method when dynamic luminance change of the back light is carried out. SOLUTION: A dimmer circuit responds to two independent control inputs. A wide area is dimmed by burst dimming in the first control, and luminance responds at a high speed by current dimming in the second control. Static dimming with the maximum value at the time when dynamic luminance change = ±0% is actuated with a burst duty of 100%.
Patent JP-2002032050-A (JP)
Title: Gradation display method
Inventor: MORI MITSUHIRO
IPC: G09G3/28
Filed: 2001-05-30
Abstract: PROBLEM TO BE SOLVED: To solve the problem such that unnaturalness such as that as if there is luminance difference between pixels in which luminance difference is not almost present is generated in the halftone gradation display method of a display device in which a sub-field method displaying respectively weighted plural binary images of a moving image having halftone gradation by timewisely overlapping them is used. SOLUTION: This method is a gradation display method in which, when binary images are arranged in ascending numeric order according to the size of weights, the halftone gradation display is performed by giving weights to the respective binary images so that the absolute value of the difference between weights respectively given to adjacent binary images equal to or smaller than 6% of the total number of gradation which can be displayed by the superposition of the plural images.
Patent JP-2002357989-A (JP)
Title: Image forming device
Inventor: MATSUMOTO SHINICHIRO
IPC: H04N1/29
Filed: 2001-05-30
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device which is inexpensive and has high output image quality. SOLUTION: The image forming device which has a high voltage power supply and forms a visible image by using a electrophotographic process, has further a timer circuit which generates a transformer driving clock signal from a high voltage control signal to control the output voltage of the high voltage power supply. The timer circuit dispenses with the output of the transformer driving clock signal from a CPU (ASIC), thereby the number of ports of the CPU (ASIC) is reduced, and an inexpensive circuit configuration is obtained. Furthermore, it is possible to stop the high voltage output when the high voltage control signal output port of the CPU (ASIC) breaks down.
Patent JP-2002357107-A (JP)
Title: Variable valve system
Inventor: SUGIURA KEN
IPC: F01L13/00
Filed: 2001-05-31
Abstract: PROBLEM TO BE SOLVED: To sequentially or stepwise change a lift amount and a working angle of a valve by rotating one camshaft, without largely changing a conventional drive system. SOLUTION: A seesaw arm 7 is pivotally attached to a rocker arm 1, a first roller 9 and a second roller 10 are provided to both ends of the seesaw arm 7, a camshaft 22 formed with a first rotation cam 20 and a second rotation cam 21 pushing the first roller 9 is pivotally supported, and an interposing member is arranged to be capable of displacement. Accordingly, when the second rotation cam 21 is rotated to act on the interposing member, the interposing member displaces to act on the second roller 10. A relative angle control device is provided which changes the lift amount and working angle of the valve 5 by sequentially or stepwise changing an operating amount of the second roller 21 by the interposing member depending on an operating condition of an internal combustion engine.
Patent JP-2002359989-A (JP)
Title: Motor drive parameter setting device
Inventor: HAMASUNA KAZUHIRO
IPC: H02P29/00
Filed: 2001-05-31
Abstract: PROBLEM TO BE SOLVED: To set drive parameters suitable for driving a target by finely defining motor drive parameters other than inertia after identifying the inertia. SOLUTION: This parameter setting device comprises, in a personal computer body 10, an operator 1 for decoding the operation input of an operation input device 3, two parameter computing parts 13, 14 for performing parameter adjustment computation, a communication part 18 for exchanging data with a motor amplifier 20, a parameter operator 16 for exchanging parameter values with an operation part 11 or the parameter computation parts 13, 14 and parameter values with a motor amplifier 20, a parameter database 15 having the parameter information of the motor amplifier 20, a driving data reading part 17 for referring to the driving data of a motor 6 from the motor amplifier 20, and a display 12 for displaying required information such as parameter setting work and driving conditions.
Patent JP-2002357038-A (JP)
Title: Bicycle lock
Inventor: ISHIBA RYUJI
IPC: E05B71/00
Filed: 2001-06-01
Abstract: PROBLEM TO BE SOLVED: To provide a bicycle lock with high reliability for preventing a lock body fixed to a bicycle from being unlocked in a locking state. SOLUTION: The bicycle lock is equipped with the lock body 1, a mounting member 2 and fixed members 3 and 3. The lock body 1 is equipped with a casing 4, a bar piece 5 and a cylinder lock 6. The casing 4 is equipped with two insertion ways 43 and 43. The bar piece 5 has two insertion holes 51 and 51, and in the case of unlocking, the insertion holes 51 and 51 agree with the insertion ways 43 and 43 of the casing 4 to open the insertion ways 43 and 43, and the lock body 1 is connected to the mounting member 2 with the fixed members 3 to enable it to fix the bicycle. While, in the case of locking, the bar piece 5 closes the insertion ways 43 and 43 to make an operating section 31a of the fixed members 3 connecting the lock body 1 to the mounting member 2 in a hidden state, it cannot be operated.
Patent JP-2002001519-A (JP)
Title: Holding furnace
Inventor: MORTARI GRAZIANO
IPC: F27D27/00
Filed: 2001-06-01
Abstract: PROBLEM TO BE SOLVED: To provide a holding furnace particularly for a die-casting apparatus, which enables to get rid of or decrease the generation of oxide and articles containing gas in casting, the diminution in purity of casting and the deterioration in mechanical characteristics. SOLUTION: The holding furnace (10) has a heatable bucket (12) which is able to accommodate melted materials. The bucket is equipped with an openable reverse cup shaped lid (14). The lid is equipped with at least one open mouth 15 to lead the protection gas of a higher relative density than air. The lid generates the atmosphere to protect melted material from the air contact from the accommodation means of the bucket to the free area.
Patent JP-2002364569-A (JP)
Title: Multi-stage roots vacuum pump
Inventor: AIKAWA JUNICHI
IPC: F04C18/18
Filed: 2001-06-01
Abstract: PROBLEM TO BE SOLVED: To provide a multi-stage Roots vacuum pump consuming a less power with a normal pressure during operation. SOLUTION: The multi-stage Roots vacuum pump comprises multi-stage Roots type rotors 3, 4, 5, 6, 7, 8 arranged on two rotary shafts 9, pump chambers in which mutually mating rotors at each stage of two shafts are stored as one set, and a casing provided at the periphery of the rotors and having bulkheads between the pump chambers and stages, wherein the pump chambers are connected in series, and the number of leaves of the rotors 7 and 8 at the rear stage is made larger than the number of leaves of the rotors 3, 4, 5, 6 at the front stage.
Patent JP-2002363361-A (JP)
Title: Transparent resin composition and transparent insulating sheet
Inventor: IINUMA KOICHI
IPC: H01B17/56
Filed: 2001-06-04
Abstract: PROBLEM TO BE SOLVED: To provide a transparent resin composition which is transparent, flexible and excellent in mechanical characteristics, and a transparent insulating sheet obtained using the same. SOLUTION: The transparent resin composition comprises (1) 100 pts.wt. of an ethylene/propylene/non-conjugated diene copolymer rubber, (2) 30-80 pts.wt. of a hydrophobic silica and (3) 30-100 pts.wt. of a processing oil, and is crosslinked. The resin composition having a tensile strength of at least 10 MPa, an elongation of at least 400%, a shore A hardness of 50-70 and a tear strength (angle type without notch) of at least 250 N/mm is suitable as an insulating sheet.
Patent JP-2002360058-A (JP)
Title: Method for greening artificial ground
Inventor: YASUMOTO HIDEYUKI
IPC: A01G1/00
Filed: 2001-06-06
Abstract: PROBLEM TO BE SOLVED: To provide a method for greening artificial ground, through which construction or repair can be easily done and water-retention/drainage can be surely made. SOLUTION: This method for greening artificial ground is so designed that artificial ground 1 on a rooftop or the like is made vegetative through planting turf, trees or the like, wherein a root-proofing sheet 6 is laid on the artificial ground 1, a water-retaining means 7 is set on the root-proofing sheet 6, an outflow-preventive sheet 10 is set on the water-retaining means 7, a rigid mesh sheet 11 is set on the outflow-preventive sheet 10, artificial soil 12 is banked on the mesh sheet 11, and turfs 13 are planted on the artificial soil 12.
Patent JP-2002369196-A (JP)
Title: Image signal transmitting equipment and method, and image signal receiving equipment and method
Inventor: KONDO TETSUJIRO
IPC: H04N19/895
Filed: 2001-06-07
Abstract: PROBLEM TO BE SOLVED: To eliminate dot errors and improve picture quality without needing additional data, when an image signal is transmitted effectively by using vicinity image correlation. SOLUTION: A plurality of encoding methods are stored in an encoding method memory 12. An encoding method selected by an encoding method selecting part 13 is supplied to a vector conversion part 4, and a differential vector to each candidate vector is calculated on the basis of a selected encoding method. The differential vector is supplied to a candidate estimating part 5, in which transmission picture elements are determined. The encoding method is selected by a trigger producing part 14, which produces a trigger on the basis of a scanning signal s and a vector v from a candidate estimating part 8. As the trigger, one or combination of at least two from among (1. status around picture elements, 2. status of scanning, 3. the number of times of being a candidate, 4. history of scanning and 5. position of picture element data in a color space) is used.
Patent JP-2002325819-A (JP)
Title: Shoe
Inventor: YOSHIURA NOBUO
IPC: A43B7/14
Filed: 2001-05-01
Abstract: PROBLEM TO BE SOLVED: To provide a shoe which can easily push effective points in a user's foot sole as he/she as is lying down on a bed without applying man power by burying a health point pusher into the shoe sole part. SOLUTION: Effective point pushing rods with prescribed length and a cam set on a drive plate are equipped inside this shoe. The drive plate is reciprocated by power of a motor to push up/down the effective point pushing rods to stimulate the foot sole.