baber/WOPTO huggingface dataset:
Patent JP-2004148192-A (JP)
Title: Pump piston
Inventor: KOHARA HIROTSUGU
IPC: F04B53/14
Filed: 2002-10-30
Abstract: <P>PROBLEM TO BE SOLVED: To avoid mutual sticking of pistons dipped in a lubricant.  <P>SOLUTION: The piston arranged in a cylinder and reciprocating in the cylinder in interlocking with the movement of a hollow stem engaged with a pressing head of a pump and a piston guide connected to the hollow stem is composed of: a piston main body having an opening through which the piston guide passes and an annular side-wall part in slidable contact with the inner wall face of the cylinder; and an annular body which is integrally connected with the rear end of the piston main body, has a through path for allowing the piston guide to pass through the opening and is fitted into the top end of the hollow stem to penetrate the path.A plurality of protrusions are provided on at least either one of the end faces of the piston main body and the annular body.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004153593-A (JP)
Title: Mobile equipment information providing technology
Inventor: ISHIDOSHIRO TAKASHI
IPC: H04W4/029
Filed: 2002-10-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a connection device for attaining power saving/miniaturization of mobile equipment to receive notice information.  <P>SOLUTION: The device comprises a radio communication means for exchanging information with at least one client out of a plurality of clients; a notice information storage means for storing notice information recognizable to the client; a status detection means for detecting at least location of the client, based on reception status of radio waves from the client; a location determination means for determining location relationship between the client's location detected by the status detection means and location of other client connected to an access point; and an information transmitting means for transmitting the notice information stored in the notice information storage means to the client, when the location determination means determines that both of the clients are located in a predetermined location relationship.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004153101-A (JP)
Title: Aluminum electrolytic capacitor
Inventor: TAKEDA MASAYUKI
IPC: H01G9/14
Filed: 2002-10-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide an aluminum electrolytic capacitor in which an impedance property, thermal stability, and a voltage resistance property are maintained excellent to be used with long-term stability.  <P>SOLUTION: There is provided the aluminum electrolytic capacitor comprising an anode, an cathode comprising aluminum, and an electrolysis solution containing onium salt of fluorine anion. In the aluminum electrolyte capacitor, water concentration within the electrolysis solution is 1% by weight or less.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004149070-A (JP)
Title: Electric power steering and joint
Inventor: YAMAGUCHI SHINJI
IPC: F16F15/126
Filed: 2002-10-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electric power steering and a joint which prevent generation of abnormal noise caused by a shift toward a worm shaft of a boss part of the joint elastically connecting an electric motor rotation shaft and the worm shaft.  <P>SOLUTION: A joint 17 connecting a steering auxiliary electric motor rotation shaft and a small gear of a deceleration mechanism comprises: a first member 43 which rotates integrally to the rotation shaft; a second member 44 which rotates integrally to the small gear; and a star-shaped elastic member 45 which connects both the members 43 and 44 so as to transmit torque. A sandwiched portion 49 of the elastic member 45 is sandwiched between a projection part 50 of the first member 43 and a projection part 51 of the second member 44 in a circumferential direction. By the engagement of a projection 56 of the elastic member 45 projecting in the circumferential direction, for example, and recess parts 57A and 57B of the projection parts 50 and 51 to which the first and second members 43 and 44 correspond, the axial directional relative movement of the first and second members 43 and 44, and the elastic member 45 is regulated.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004159391-A (JP)
Title: Control device for three-phase ac motor
Inventor: FUJIMOTO SATORU
IPC: H02P23/14
Filed: 2002-11-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a control device for three-phase AC motor capable of vector control with one current sensor.  <P>SOLUTION: This control device for a three-phase AC motor, conducting the vector control by detecting three-phase current, comprises one current sensor 7 for detecting only a current Iu of one of three-phase currents Iu, Iu and Iw; and an other-phase current value estimating part 10 for currents Iv, Iw of remaining two phases using a detected current value Iu of one phase, an electrical angle detection value θ of the motor, and an angle which a composite vector Ia of a d-axis current command value and a q-axis current command value forms relative to a q-axis, that is, a command current phase angle α. This control device ensures the vector control of the three-phase AC motor for controlling to arbitrary d- and q-axis current values while realizing cost by reducing the number of current sensors.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004157022-A (JP)
Title: Hydrogen-oxygen recombiner
Inventor: YAMAGISHI MAKOTO
IPC: G21F9/02
Filed: 2002-11-07
Abstract: <P>PROBLEM TO BE SOLVED: To prevent performance deterioration of a metal catalyst caused by iodine in a hydrogen-oxygen recombiner for removing hydrogen by the metal catalyst in a nuclear power plant.  <P>SOLUTION: Gas including hydrogen and iodine is allowed to pass a filter for adsorbing iodine, and then to pass the metal catalyst for accelerating recombination between hydrogen and oxygen. As the filter for adsorbing iodine, a filter having a honeycomb shape having many holes with zeolite arranged in one direction is used. The gas is naturally circulated by convection caused by heat generated by a hydrogen-oxygen recombination reaction.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003206798-A (JP)
Title: System for aiding regeneration of pollution-control means
Inventor: COLIGNON CHRISTOPHE
IPC: F01N3/18
Filed: 2002-11-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a system for aiding the regeneration of a pollution-control means.  <P>SOLUTION: This aiding system aids the regeneration of the pollution-control means (1) that is integrated in an exhaust line (2) of an engine (3) of a motor vehicle, in which the engine is provided with a supply means (6) common to cylinders thereof, which is suitable for injecting fuel, during regeneration, into each cylinder in a state of at least one principal injection and at least one post-injection during the expansion stroke of the cylinder. The supply means (6) is suitable for cutting at least the principal injection of at least one of the cylinders in order to increase the oxygen content of exhaust gases and to optimize the regeneration in a pollution-control means.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004165833-A (JP)
Title: Optical transmission apparatus
Inventor: KIJIMA MASARU
IPC: H04B10/556
Filed: 2002-11-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical transmission apparatus which is easily maintained and can keep highly reliable optical transmission for a long time because it can specify causes of deterioration in transmission characteristics.  <P>SOLUTION: A transmission reliability discriminating circuit 66 obtains the light receiving quantity of a PD (photodiode) 5 from the intensity of light converted by an A/D converter 62, discriminates a transmission state from the obtained light receiving quantity and an error generation rate calculated by a correction frequency calculating circuit 64, and controls a timing adjusting circuit 23, a bias current control circuit 24 and a modulation current circuit 25 etc. which are provided in a transmission circuit 2 via a transmitter side LSI 8A according to a transmission state to always keep an optimum transmission state. When the transmission state becomes so deteriorated that it will not be in the optimum transmission state, the circuit 66 gives a caution and displays causes thereof. Also, greatly deteriorated transmission continues for a long time, the circuit 66 stops the emission of an optical signal of the transmission circuit 2 via the transmitter side LSI 8A.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004160473-A (JP)
Title: Straightening apparatus and straightening method for metallic wire
Inventor: TAKAHASHI SHUJI
IPC: B21F1/02
Filed: 2002-11-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a straightening apparatus and a straightening method for a metallic wire which are inexpensive and provide high straightness.  <P>SOLUTION: The straightening apparatus is equipped with: tension imparting means 2, 6 for imparting tension to a metallic wire 4; straightening stress generating means 8, 9 for generating straightening stress by bending for the tension-imparted metallic wire 4; rotating means 11-14 for rotating the straightening stress generating means 8, 9 along the circumferential direction of the metallic wire 4; a wire drawing means 18 for drawing the straightened metallic wire 4 while the straightening stress generating means 8, 9 are rotated; and a cutting means 22 for cutting the drawn and straightened metallic wire 4 at a prescribed length.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004161115-A (JP)
Title: Rolling stock having truck frame turning device
Inventor: MATSUMOTO AKIRA
IPC: B61F5/44
Filed: 2002-11-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rolling stock having truck frame turning device with easy maintenance in which traveling stability is enhanced by applying a damper function to the rolling stock having the device turning a truck for the rolling stock toward an advancing direction according to the radius of a curved section to simultaneously satisfy smooth travel and high speed travel of the rolling stock on the sharply curved section.  <P>SOLUTION: An actuator 1a which is operated during passing through a gently curved section is installed between a vehicle body 2 and a truck frame 3a of a single shaft which can turn with respect to the vehicle body 2. A control device 4 assisting the truck frame 3a to self-steer according to the radius of a gentle curve and applying turning force to the actuator 1a according to the radius of the gentle curve after detecting the entrance of the rolling stock to the gently curved section by travel position information of the rolling stock. The function of a damper 1b working in parallel to the actuator 1a is added to the actuator 1a. As the damper function working in parallel to the actuator is added to the actuator, the stability in the high speed travel is improved.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003208683-A (JP)
Title: One-man inspection method and device therefor for abnormality alarm system in building or structure
Inventor: NOMOTO MINORU
IPC: G05B23/02
Filed: 2002-11-12
Abstract: <P>PROBLEM TO BE SOLVED: To make an inspection by one worker performable.  <P>SOLUTION: In the inspection of an abnormality alarm system for transmitting signals from various sensors 2 provided in two or more positions in a building 1 to a control board 4 through an exclusive line 3 and displaying and alarming an abnormal state from the control board 4, the exclusive circuit of the control board 4 is connected to a relay 5 provided in the middle, and the relay 6 is connected to the power source line of the control board 4 to constitute a guide communication circuit in the building 1. The worker operates the sensors 2 for simulation for every sensor. The signal from each sensor 2 is received by the control board 4, and made into an electromagnetic wave by the relay 5 connected to the control board 4. The electromagnetic wave is transmitted to each place with the exclusive line 3 and the power source circuit as guide media, and the worker receives the electromagnetic wave through the antenna of a portable receiver 8 and confirms it by the alarm display of the receiver 8.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004164307-A (JP)
Title: Display device, scroll information generation method and program
Inventor: SATO MITSURU
IPC: G06F3/0488
Filed: 2002-11-13
Abstract: <P>PROBLEM TO BE SOLVED: To execute the scroll instruction of an image displayed on a display screen having a so-called touch panel function by easy operation.  <P>SOLUTION: In this display system 100, when moving a touch pen mouse 5 on the display screen 113 with a prescribed switch of the touch pen mouse 5 turned on, a coordinate input device 1 and a coordinate detection device 3 detect information about its movement position and an effect that the switch is turned on, and a driver 108 of a host device 4 generates mouse data for scrolling an image displayed on the display screen 113 on the basis of a detection result.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004168087-A (JP)
Title: Indoor rearview mirror
Inventor: OIBE SATOSHI
IPC: B60R1/04
Filed: 2002-11-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an indoor rearview mirror that allows both a driver and a passenger to see their direct rearward directions.  <P>SOLUTION: A rearview mirror body C<SB>1</SB>of an indoor rearview mirror B<SB>1</SB>to be attached inside a vehicle T is divided into left and right mirror divided bodies E<SB>1</SB>and E<SB>1</SB>' with respect to a bending shaft 9 placed on a substantially central portion in the width direction, and the driver M<SB>1</SB>views direct rearward mainly with the right-side (remained side) mirror divided body E<SB>1</SB>when seen from the front and the passenger M<SB>2</SB>bends the left-side (bent side) mirror divided body E<SB>1</SB>' by a predetermined angle θ and view the direct rearward.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004167510-A (JP)
Title: Holding apparatus and friction stir joining apparatus
Inventor: KOGA SHINJI
IPC: B23K20/12
Filed: 2002-11-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a holding apparatus which holds the objects to be joined in friction stir joining, and prevents the defect in joining caused by the misalignment of the objects.  <P>SOLUTION: The apparatus comprises a base 24 provided on a predetermined position, holding parts 25a and 25b holding the objects 22 to be joined, and a connection part 26 connecting the base 24 with the holding parts 25a and 25b so that the holding parts 25a and 25b can be displaced with respect to the base 24. In the case when a backing member 23 is moved, and the objects 22 are abutted on the backing member 23 till it reaches the set position for subjecting the objects 22 to solid phase stirring, in a state where the objects 22 are abutted on the backing member 23, the objects 22 are moved together with the backing member 23, and the objects 22 can be arranged at supporting positions to which the objects 22 are to be supported. Thus, the phenomenon that a joining tool 21 is abutted on the objects 22 prior to the backing member 23 can be prevented, and the defect in joining caused by the misalignment of the objects 22 can be eliminated.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004167516-A (JP)
Title: Method for reinforcing fatigued beam structure having flange gusset
Inventor: SATO YOSHIAKI
IPC: B23K9/00
Filed: 2002-11-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for reinforcing a fatigued beam structure having a flange gusset, by which occurrence and growth of fatigue cracks can be suppressed.  <P>SOLUTION: The method for reinforcing the fatigued beam structure having the flange gusset is characterized in that the shape of the flange side toe of the end portion of the flange gusset of the beam structure having the flange gusset is improved by forming grooves within the range apart from the end portion of the flange gusset by at least 1t, on both of the upper surface and the lower surface, respectively, where t shows the thickness of the flange gusset.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004172780-A (JP)
Title: Camera system, camera apparatus, and recording apparatus
Inventor: IKUTA ISAO
IPC: H04L29/06
Filed: 2002-11-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a camera system, a camera apparatus, and a recording apparatus wherein an image photographed by its own camera is transmitted / stored not only to a controller in a LAN but also to a large capacity camera whose memory capacity is greater than that of other camera apparatuses in the LAN or a camera in the other LAN so as to detect an emergency, and the photographed image is not lost but recorded even when the camera apparatus that has photographed a spot involved becomes faulty.  <P>SOLUTION: The camera apparatus in this camera system is provided with storage means for two kinds of applications, and the storage means can receive and record not only the image photographed by its own camera but also an image of other camera apparatus. When a fault detector detects an abnormality signal, the image is transmitted and recorded to a camera apparatus having a free capacity in the LAN.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004169129-A (JP)
Title: Soft landing method of cluster ion species
Inventor: KAYA KOJI
IPC: C23C14/24
Filed: 2002-11-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a soft landing method of a cluster ion species whereby a cluster can be stably preserved at a relatively high temperature near room temperature and a cluster with a one-dimensional multilayer sandwich structure, such as V<SB>2</SB>Bz<SB>3</SB>, can be deposited without being dissociated.  <P>SOLUTION: After a self-structured monomolecular film 13 is formed on a substrate 11, a cluster ion species 14 having been subjected to mass selection is vapor deposited on the substrate 11. The molecular chains 12 of the self-structured monomolecular film 13 absorb the kinetic energy of the cluster ion species 14 by the intramolecular vibration, intermolecular vibration, etc., in the film 13, causing the film to act as a buffer. Thus, the dissociation ratio of a cluster ion species, e.g. V<SB>1</SB>Bz<SB>2</SB>or V<SB>2</SB>Bz<SB>3</SB>, is lowered even when the vapor deposition is conducted at a high rate, enabling the deposition in a high yield. The fixed cluster can be stably preserved at a relatively high temperature near room temperature.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003233326-A (JP)
Title: Active matrix type display device and manufacturing method therefor
Inventor: KATO KIYOSHI
IPC: G02F1/1368
Filed: 2002-11-22
Abstract: <P>PROBLEM TO BE SOLVED: To achieve downsizing and slimming a frame by reducing the area necessary for mounting IC chips other than a display part, and also to reduce connection failure of signal lines associated with mounting the IC chips in an active matrix type display device.  <P>SOLUTION: In the active matrix type display device, TFTs are formed on a counter substrate to form a desired logic circuit, and thereby the logic circuit that was conventionally packaged externally can be formed on the counter substrate. Moreover, speeding up and higher performance of the active matrix type display device are realized by optimizing the pixels or driving circuits on the pixel substrate and the logic circuit on the counter substrate in the constitution of TFTs and the power supply voltage, respectively.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004179781-A (JP)
Title: Pulse output circuit
Inventor: TAKEDA YUKITO
IPC: H03K5/135
Filed: 2002-11-25
Abstract: <P>PROBLEM TO BE SOLVED: To generate large pulses with a constant width.  <P>SOLUTION: Flip flops 10-1, 10-2 take in input signals mutually in opposite phases in the rise duration of a clock. Either one of the flip flops 10-1, 10-2 takes in H. Hence, a NOR gate 14 turns to L as both outputs are inputted. This discharges a capacitor C to reset both flip flops 10-1, 10-2 when discharging to ground. Thus, the NOR gate 14 turns to H on the output to charge it. A diode is provided to quickly charges the capacitor C.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004049214-A (JP)
Title: Method for introducing protein or peptide into cell
Inventor: YAMADA HIDENORI
IPC: A61K47/48
Filed: 2002-11-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a complex capable of introducing a protein into a cell, to provide a method for efficiently introducing the protein into the cell, capable of being controlled in terms of time and quantity, by using the complex.  <P>SOLUTION: This method for introducing the protein or the peptide into the cell comprises transporting the protein or the peptide into the cell by using the complex in which the protein or the peptide is bonded to a polymer having a cation valence of above 2 but not more than 30,000.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003207775-A (JP)
Title: Liquid crystal display device
Inventor: TAGUSA YASUNOBU
IPC: H01L21/336
Filed: 2002-11-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reflection type liquid crystal display device whose yield is improved and whose manufacturing period is shortened and whose image quality is high and whose screen is bright and whose power consumption is reduced.  <P>SOLUTION: This liquid crystal display device 1 is formed by pouring liquid crystal between a reflection type pixel substrate 2 and a counter substrate 3. The reflection type pixel substrate 2 is provided with a plurality of scanning lines 5 which are arranged roughly parallel with each other, a plurality of reference signal lines 6 which are arranged alternately and also roughly parallel with the scanning lines 5, a common wiring connecting the plurality of the reference signal lines with each other, reflection electrodes 8 which are arranged in a matrix shape and TFTs (thin film transistors) which are provided for every reflection electrodes 8. Moreover, a plurality of display signal lines 11 which double as counter electrodes are provided roughly parallel with each other on the counter substrate 3. A transparent electrode (transmission part) 5 transmitting light is formed on each reflection electrode 8 and reflection type display and transmission type display are jointly used in this display device 1.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004177888-A (JP)
Title: Heat plate and fixing device using the same
Inventor: YAMADA TAKASHI
IPC: G03G15/20
Filed: 2002-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat plate such that a resistance heating body is deterred from abnormally heating up by preventing the resistance heating body from peeling off a substrate of the heat plate owing to a difference in coefficient of thermal expansion and to provide a fixing device which uses the heat plate.  <P>SOLUTION: The heat plate 10 has lamination constitution such that an insulating material 13 is bonded and fixed on the substrate 11 across an adhesive layer 14 and the resistance heating body 12 is bonded and fixed thereupon across an adhesive layer 15, and is curved semicylindrically around a cylinder axis extending at right angles to the conveying direction of a recording medium. The resistance heating body 12 is formed by successively folding back a thin and long beltlike part extending at right angles to the cylinder axis, so the peeling force per unit area becomes small and then the resistance heating body is prevented from peeling off the substrate and will not abnormally heat up.  <P>COPYRIGHT: (C)2004,JPO