baber/WOPTO huggingface dataset:
Patent JP-2003018852-A (JP)
Title: Inverter device
Inventor: ONO AKIHISA
IPC: H02P3/22
Filed: 2001-06-28
Abstract: PROBLEM TO BE SOLVED: To provide a current detection circuit of an inverter device which can avoid an offset caused by characteristics of a Hall CT device and characteristics of an amplifier circuit. SOLUTION: The output current of an inverter device is detected by a Hall CT. The detected current is amplified at an amplifier circuit. An detected output of the amplifier circuit prior to operation stored in an offset memory unit beforehand from the amplified detected current as an offset component is outputted from a built-in dynamic brake device with the compensation of offset component. An attenuating sine wave demagnetizing current is generated when the dynamic brake is applied to the motor for emergency stop and, by utilizing the demagnetizing current, the residual flux of a Hall CT core is demagnetized and, after the Hall CT core is demagnetized, the offset components are stored in a memory unit.
Patent JP-2003015497-A (JP)
Title: Color image forming device
Inventor: TOKUTAKE NAOTO
IPC: G03G15/01
Filed: 2001-06-29
Abstract: PROBLEM TO BE SOLVED: To easily prevent color slurring and flaw on a photoreceptor and an endless transfer belt without making the difference of linear velocity between the photoreceptor and the endless transfer belt. SOLUTION: In this color image forming device, a color image is formed by forming an image on one or several photoreceptors and temporarily transferring the image to the endless transfer belt or transferring it to a recording sheet held on the endless transfer belt, the device has a control means controlling a driving means for the photoreceptor and a driving means for the endless transfer belt independently and controlling the driving means for the endless transfer belt to be synchronized with a clock means set as reference.
Patent JP-2003021474-A (JP)
Title: Heat exchanger
Inventor: YAMAMOTO YOSHITAKA
IPC: F28D7/02
Filed: 2001-07-04
Abstract: PROBLEM TO BE SOLVED: To contrive reductions in the number of part items and costs, and ensure leak detection. SOLUTION: A heat exchanger comprises a tubular member 1 provided with a water passage 2 formed at the center, and a plurality of refrigerant passages 3, 3, etc., formed in the circumference of the water passage 2 and having the smaller cross-sectional area of passage than that of the water passage 2. Between each of the refrigerant passages 3, 3, etc., recessed grooves 4, 4, etc., constituted in such a manner that the thickness t1 between the bottom surface and the water passage 2 is thinner than the thickness t2 between the refrigerant passages 3, 3, etc., and the water passage 2 are respectively formed, so as to allow the water passage 2, the refrigerant passages 3, 3, etc., and the recessed grooves 4, 4, etc., to be formed inside and outside one tubular member 1. Moreover, the detection of leak from the water passage 2 is ensured.
Patent JP-2003030222-A (JP)
Title: Method and system for retrieving, detecting and identifying main cluster and outlier cluster in large scale database, recording medium and server
Inventor: KOBAYASHI MEI
IPC: G06F17/18
Filed: 2001-07-05
Abstract: PROBLEM TO BE SOLVED: To provide a method and a system for detecting, retrieving and identifying a main cluster and an outlier cluster in a large scale database, and to provide a recording medium and a server. SOLUTION: This method includes a step for generating a document matrix from a preceding document by using at least one attribute, a step for generating a residual matrix scaled on the basis of the document matrix from a prescribed function, a step for performing singular value decomposition to obtain a base vector corresponding to a maximum singular value, a step for reconstructing the residual matrix, dynamically scaling the reconstructed residual matrix and obtaining another base vector, a step for repeating from the singular value decomposition step to the reconstruction step to generate a set of prescribed base vectors, and a step for performing dimensional reduction of the document matrix and detecting, retrieving and identifying a document in a database.
Patent JP-2003032805-A (JP)
Title: Controlling device and power outputting device, hybrid vehicle provided therewith, controlling device controlling method, and power outputting device controlling method
Inventor: NOBUHARA MOCHIKIYO
IPC: B60L50/16
Filed: 2001-07-06
Abstract: PROBLEM TO BE SOLVED: To control a second motor by a first CPU that controls a first motor if an abnormality occurs to a second CPU that controls the second motor, in a hybrid vehicle provided with an engine, the second motor capable of generating electric power by receiving a part of power from the engine, and the second motor capable of outputting power directly to an axle shaft along with the engine. SOLUTION: The first CPU 102 outputs a changeover command to a multiplexer 106 to control the switching of both an inverter circuit 110 of the motor MG1 and the same circuit 120 of the motor MG2, when an abnormality is judged to have occurred to the second CPU 104. At this instance, a load increase due to additional processes is reduced by setting a carrier frequency at a lower level than usual, by shifting a feedback control to an open-loop control, and the like. This method enable pull-in traveling to be performed by driving the motors MG1, MG2 without increasing the load due to the additional processes.
Patent JP-2003031333-A (JP)
Title: Terminal manufacturing method
Inventor: NAKAMURA ATSUSHI
IPC: H01R43/16
Filed: 2001-07-12
Abstract: PROBLEM TO BE SOLVED: To provide a terminal manufacturing method capable of plating a soldering part by plating specifications of a soldering part side and a terminal connecting part by plating specifications of a terminal connecting part side without using a partial plating technique, and capable of preventing exposure of a matrix in the soldering part side. SOLUTION: The terminal manufacturing method has a punching process of punching out a shape 1 of terminals 3 from a plate material and a plating process of plating the shape 1 punched out in the punching process by electroplating. In the punching process, the shape 1 has one or more terminals 3 and a carrier 5 holding the terminals, and each terminal 3 is punched out in a state connected with the carrier 5 so that its terminal connecting part 3a is located in a carrier 5 side and its soldering part 3b is separated from the carrier 5.
Patent JP-2003025257-A (JP)
Title: Floor material ruling tool
Inventor: TANAKA HIDEJIRO
IPC: E04G21/18
Filed: 2001-07-13
Abstract: PROBLEM TO BE SOLVED: To provide a floor material ruling tool capable of simply performing ruling in a place hard to work such as a narrow place. SOLUTION: This floor material ruling tool is provided with a grip part 2, an abutting part 3 provided at one end part of the grip part 2 and abutting to the wall surface W to determine a ruling width R, and a ruling part 5 for drawing a ruling line 10 on the floor material. The abutting part 3 is provided with a wall abutting surface 31 shaped circular-arc in plan view, which is formed around the ruling part 5.
Patent JP-2003025411-A (JP)
Title: Single screw extruder
Inventor: NAKAMURA KAZUYUKI
IPC: B29C48/395
Filed: 2001-07-16
Abstract: PROBLEM TO BE SOLVED: To enable scaling-up for increasing treatment capacity without generating a dragging phenomenon by supporting both ends of a screw in a freely rotatable manner. SOLUTION: The single screw extruder is constituted so that the screw downstream end part 31 of the screw (3) is supported in a freely rotatable manner by a bearing (32) and a raw material is discharged from the raw material discharge port (30) provided to the downstream side part of a cylinder (2) and the diameter of the screw can be increased without generating the dragging phenomenon.
Patent JP-2003031809-A (JP)
Title: Insulated-gate bipolar transistor
Inventor: SUEKAWA EISUKE
IPC: H01L29/08
Filed: 2001-07-17
Abstract: PROBLEM TO BE SOLVED: To provide an IGBT which operates stably by reducing current leakage so as to surely reduce concentration of electronic current inside. SOLUTION: On the main surface 103 of a p<+> semiconductor layer 12 on a side opposite to an n<-> type semiconductor layer 80, a plurality of n<+> impurity areas 11 are selectively formed without connected with the n<-> type semiconductor layer 80. Then, the n<+> impurity areas 11 are provided corresponding to the respective channel areas CH1a to CH1d of structures 200a to 200d and formed only under the channel areas CH1a to CH1d. Thus, the density of the p<+> semiconductor layer 12 is lowered effectively, and the injecting quantity of a positive hole from a collector layer 9 is reduced in an off state to reduce the current leakage.
Patent JP-2002070901-A (JP)
Title: Wheel brake device and method for operating the same
Inventor: SCHANZENBACH MATTHIAS
IPC: B60T13/74
Filed: 2001-07-17
Abstract: PROBLEM TO BE SOLVED: To permit an emergency operation of a wheel brake device if a hydraulic device is in an unsealed state. SOLUTION: A rotation/translation converting transmission device 28 is mechanically connectable to a brake lining piston 12, so that the brake lining piston 12 is movable.
Patent JP-2003029964-A (JP)
Title: Random number generator
Inventor: YAMAMOTO HIROYASU
IPC: H03K3/84
Filed: 2001-07-18
Abstract: PROBLEM TO BE SOLVED: To provide a high-speed/high-performance random number generator provided with uniformity and not provided with regularity, correlation or periodicity. SOLUTION: The random number generator 10 is composed of a flip-flop 1 establishing the state (0 or 1) of output corresponding to the phase difference of two input signals, a phase adjusting part 2 adjusting the phases of the input signals and a feedback circuit part 3 controlling the phase difference so as to converge the appearing rate of 0 or 1 of flip-flop output by the input signals to a fixed value within a prescribed repetition cycle. In this case, the phase adjusting part 2 is provided with the coarse adjustment means and fine adjustment means of the phases operated in due order respectively. By this constitution, a phase adjustment width is increased, phase adjustment time is shortened and random number generation is accelerated.
Patent JP-2003034446-A (JP)
Title: Paper feeder
Inventor: SAITO TAKAYUKI
IPC: B65H3/06
Filed: 2001-07-23
Abstract: PROBLEM TO BE SOLVED: To reduce generation of an abnormal sound when a rotary arm frequently lifts, and to reduce a cost and a space by restraining an increase in the number of part items. SOLUTION: The rotary arm 18 for rotatably holding a pickup roller 17 is rotatably installed on a shaft 35 of a paper feeding roller 19. The shaft 35 of the paper feeding roller 19 is provided with a first gear 51 for rotating only in the inverse direction of the paper feeding roller 19, and a second gear 52 for rotating only in the same direction as the paper feeding roller 19, and is provided with a first rack 75A for meshing with the first gear 51, and a second rack 75B for meshing with the second gear 52, and is provided with a movable lever 73 for lifting the rotary arm 18 by sliding by receiving torque from the first and second gears 51 and 52.
Patent JP-2002225700-A (JP)
Title: Automatic brake booster
Inventor: YAMAGA HIROYUKI
IPC: B60T13/57
Filed: 2001-07-23
Abstract: PROBLEM TO BE SOLVED: To control brake output in automatic braking with high precision. SOLUTION: An automatic brake booster 1 comprises a valve body 3 slidably arranged in a shell, a power piston arranged in the valve body to divide the shell internally into a constant pressure chamber A1 and a variable pressure chamber B1, a valve system 6 for supplying and draining fluid to and from the variable pressure chamber, an input shaft 7 for changing over the valve system, and a solenoid 8 for reciprocating a solenoid plunger 31 to change over the valve system. The valve body includes, in a slidable condition, a second vacuum valve seat member 11 having a second vacuum valve seat 12 parallel to a first vacuum valve seat 10 of the valve body and having a pressure receiving portion 34 on which pressure in the variable pressure chamber and pressure in the constant pressure chamber act. Working force by a differential pressure acting on the pressure receiving portion and energizing force by excitation acting on the solenoid plunger are balanced out to output a brake output corresponding to the energizing force.
Patent JP-2003034357-A (JP)
Title: Part storage tape and device for supplying part
Inventor: OKANO HIROSHI
IPC: B65D85/86
Filed: 2001-07-26
Abstract: PROBLEM TO BE SOLVED: To provide a part storage tape which can be reused many times without taking a lot of trouble, and provide a device for supplying part capable of using the part storage tape. SOLUTION: The part storage 2 of the part storage tape 1 formed of a flexible material is made opened at a surface side, and the opening of the part storage 2 is covered with a cover tape 3 integrally adhered to the surface side. The cover rape 3 is provided with a slit 4 extending in the longitudinal direction. The part storage tape 1 is flexibly bent toward the surface side in the width direction, and the cover tapes 3 at both sides of the slit 4 are separated therefrom in the width direction, thus enabling the opening of the part storage 2 to open. So that a part A can be taken out of the part storage 2 without causing a permanent deformation in the part storage tape 1, and the part storage tape 1 in which the part A is taken out, can be reused many times.
Patent JP-2003041885-A (JP)
Title: Small-diameter pipe jacking machine and small-diameter pipe jacking method
Inventor: UEDA MASAKUNI
IPC: E21D9/06
Filed: 2001-07-27
Abstract: PROBLEM TO BE SOLVED: To provide a small-diameter pipe jacking machine which can carry out embedding of a propulsive pipe without a fear of inoperability even if a fibrous obstacle such as timber exists at a location where embedding of the pipe is expected, and to provide a small-diameter pipe jacking method which can positively replace an existing pipe embedded via a foundation using wood by a cut and cover tunneling method, with the propulsive pipe by using the small-diameter pipe jacking machine. SOLUTION: The small-diameter pipe jacking is constructed by disposing a build-up layer 22 which is formed by dispersing carbide particles 22g on a metallic matrix 22m, at an extremity of a projecting base 21, and arranging a number of the build-up layers 22 thus formed, on a face plate 11F of a cutter head 11 of a guiding body. The small-diameter pipe jacking method is carried out by hardening the ground on the periphery of the existing pipe embedded via the foundation using the timber such as a wood trunk, a crossbar, etc., together with the foundation by injecting a chemical solution, excavating the existing pipe together with the ground and the foundation by using the small-diameter pipe propeller, and at the same time embedding the propelling pipe, to thereby replace the existing pipe with the new one.
Patent JP-2003047244-A (JP)
Title: Switching power supply circuit
Inventor: YASUMURA MASAYUKI
IPC: H02M3/28
Filed: 2001-07-30
Abstract: PROBLEM TO BE SOLVED: To facilitate the design and manufacture of a switching power supply circuit and to improve its power conversion efficiency. SOLUTION: This switching power supply circuit has a composite resonance type switching converter having a self-exciting voltage resonance type converter as its main structure and, further, practices the switching frequency control for making an output voltage constant by controlling the electrical continuity of a continuity control device connected to a switching device. A voltage between the base and emitter of the continuity control device Q2 is controlled to have a saw-toothed waveform to reduce the switching loss of the switching device Q1. A Schottky diode or a high-speed recovery type diode is used as a clamp diode DD. A resistor R is inserted between the emitter of the switching device Q1 and the primary grounding.
Patent JP-2003044198-A (JP)
Title: Terminal for inputting personal identification number
Inventor: OTANI MASAMICHI
IPC: G06F3/02
Filed: 2001-07-31
Abstract: PROBLEM TO BE SOLVED: To provide a personal identification number input terminal capable of realizing sufficiently secrecy in an information terminal such as an ATM. SOLUTION: In this personal identification number input terminal provided with a function, by which a user can optionally select random change of arrangement states of figures, symbols or characters of a keyboard for inputting a password such as personal identification number or change to a pattern of a fixed rule at every time when input operation is performed, a fiber optical plate (2) obtained by thermally fusing and forming many glass fibers (3) whose fiber numerical aperture N.A. ranges between 0.1 and 0.35 in a parallel state as an element of a narrow view angle is attached to a displaying part (1).
Patent JP-2003043777-A (JP)
Title: Color image forming apparatus
Inventor: MUTO NARIAKI
IPC: G03G15/02
Filed: 2001-07-31
Abstract: PROBLEM TO BE SOLVED: To solve the problem of shaving being greater in the case that a photoreceptor of an image forming unit concerned is compared with other photoreceptors of other image forming units when there are more cases for carrying out image output of black only in a tandem type copying machine or a printer and having a shorter service life. SOLUTION: In the apparatus, the photoreceptor for the image forming unit corresponding to the black color can be used with equivalent length of service life as other image forming units by prolonging its service life by setting its surface potential to be a lower potential than in the photoreceptors for other image forming units.
Patent JP-2003038691-A (JP)
Title: Golf club
Inventor: TSURUMAKI MASAE
IPC: A63B53/04
Filed: 2001-07-31
Abstract: PROBLEM TO BE SOLVED: To provide a golf club in which the repulsive force of a hitting part against a ball is improved and the durability of a face member against repetitively hitting the ball is improved. SOLUTION: The face member 16 is constituted of a plurality of metal plates 20 and 21 piled up over the entire surface, extension parts 22 in which the outer peripheral edges of the metal plates 20 and 21 are extended to a rear part are formed and the rear end parts 23 of the extension parts 22 are joined with a body member 17 and a crown member 18 forming the rear part of a head 1. The repulsive force of the hitting part against the ball is improved by thinning the metal plates 20 and 21 and increasing their deflection, and the durability of the face member 16 is improved by transmitting impact force caused by repetitively hitting the ball to the body member 17 and the crown member 18.
Patent JP-2003043157-A (JP)
Title: Drift correcting method of airborne electromagnetic survey method
Inventor: KONISHI HISATOSHI
IPC: G01V3/08
Filed: 2001-07-31
Abstract: PROBLEM TO BE SOLVED: To decide a correct measuring method when measuring a change in mutual inductance of a transmission coil and a receiving coil by an airborne electromagnetic method. SOLUTION: This drift correcting method in leveling of the airborne electromagnetic method is composed of a process of performing ordinary calibration before a measuring flight, acquiring data for correcting drift by vertical multipoint measurement by selecting flat land such as a survey object area after setting a 0 level at a high altitude, then performing an ordinary measuring flight, performing vertical multipoint measurement of the same content in the same place of performing the vertical multipoint measurement just before landing after finishing a survey, then setting a 0 level by using an ordinary leveling technique during data processing, determining the size of a measured value, determining the drift by gain and a phase error at calibration time by an inversion technique on respective vertical multipoint measured values before and after the measuring flight, and acquiring an accurate response value by correcting the drift.
Patent JP-2003038107-A (JP)
Title: Method for deodorizing long-stored rice, method for producing rice confectionery using the deodorized long- stored rice, and apparatus for deodorizing long-stored rice
Inventor: HIRAMOTO MIKIO
IPC: A23L7/10
Filed: 2001-07-31
Abstract: PROBLEM TO BE SOLVED: To provide a method for deodorizing long-stored rice, aiming at deodorizing long-stored rice. SOLUTION: This method for deodorizing long-stored rice comprises the following process: adding water to long-stored rice powder, putting the thus obtained mixture into a first steaming/kneading zone, injecting steam into the mixture under the pressure of 0.05 kg/cm<2> -0.1 kg/cm<2> while stirring the mixture at 20 rpm-25 rpm, and steaming and kneading the resultant mixture for several minutes followed by transferring the thus treated mixture to a second steaming/ kneading zone, and then, injecting steam into the mixture under the pressure of 0.05 kg/cm<2> -0.06 kg/cm<2> while stirring the mixture again at 20 rpm-25 rpm.
Patent JP-2003043436-A (JP)
Title: Optical frequency comb generating device
Inventor: KOROGI MOTONOBU
IPC: G02B5/28
Filed: 2001-07-31
Abstract: PROBLEM TO BE SOLVED: To provide an optical frequency comb generating device which is made to easily contrive a highly accurate system extension with a simple constitution and enables efficient heat radiation and stable operation to be performed. SOLUTION: This optical frequency bomb generating device is provided with a base member 2 constituting a reference surface, a pair of rail supporting members 4, 5 and attachment rail members 8, 9, an optical modulator 10, an input optical component 13 and an output optical component 16. The respective rail support members 4, 5 are assembled oppositely and separately in the longitudinal direction via a cushioning member 3 onto the base member 2, and the respective attachment rail members 8, 9 are supported in parallel while keeping a prescribed opposed interval from each other. The optical modulator 10, input optical component 13 and output optical component 16 which are properly selected in accordance with a required specification are positioned and fixed in the state of being suspended between the respective rail members 8, 9.
Patent JP-2003046920-A (JP)
Title: Video radio transmission/reception system
Inventor: ITAGAKI KENJI
IPC: H04N5/00
Filed: 2001-08-01
Abstract: PROBLEM TO BE SOLVED: To provide a video radio transmission/reception system where operability when operating from a video receiver side remotely has been improved in the video reproduction apparatus at the side of a video transmitter. SOLUTION: An infrared remote control transmitter 4 generates function data regarding a video reproduction apparatus 2. A video receiver 20 comprises a common function code generation circuit section 25 for converting the function data to a common function code, a model code-setting circuit section 30 for setting the model code of the video reproduction apparatus 2, and a second remote control signal generation circuit section 26 for generating a remote control signal including the model code and the common function code.  A video transmitter 10 comprises a memory circuit section 16 where the remote control data of a video reproduction apparatus 2 corresponding to the model code and the common function code is stored, and a third remote control signal generation circuit section 15 for reading the remote control data corresponding to the model code and the common function code from the memory circuit section 16 for generating a remote control signal.