baber/WOPTO huggingface dataset:
Patent JP-2002168990-A (JP)
Title: Leak preventing valve and measuring system for nuclear power plant
Inventor: HIWATARI TOSHIHIKO
IPC: G21C17/02
Filed: 2000-11-30
Abstract: PROBLEM TO BE SOLVED: To prevent a leak of a drain valve in a measuring system for a nuclear power plant or the like. SOLUTION: A leak preventing plug blocking a flow of high temperature steam or water is provided in an upstream side of the drain valve. Namely, valve rod supporting bodies 5 are provided on both ends of a hollow body 10 provided with a valve seat 3, a valve rod 2 is movably provided on the supporting bodies 5, spring pressers 6 are provided respectively with predetermined intervals from upstream and downstream side ends of the valve rod 2, a thermosensitive spring 4 extending in high temperature and contracting in low temperature is provided in the upstream side end so as to insert the valve rod 2 between the supporting body 5 and the spring presser 6, and a spring 7 contracting when compressed is provided in the downstream side end. A retainer 8 is also provided holding a closed state by a valve element 1 and the valve seat 3 during extension of the thermosensitive spring 4.
Patent JP-2002171296-A (JP)
Title: Quadrature modulator
Inventor: SHIBATA SHIGERU
IPC: H04L27/20
Filed: 2000-11-30
Abstract: PROBLEM TO BE SOLVED: To sufficiently suppress higher harmonics in a modulation signal by using a low pass filter which has a relatively low suppression ratio of higher harmonics and gently changes frequency-gain characteristics and has a simple constitution. SOLUTION: Two local signals outputted from a 90 deg. phase shifter 2 are given to a quadrature modulator 3 after having fundamental waves and tertiary waves suppressed by low pass filters 5 and 6.
Patent JP-2002168511-A (JP)
Title: Blow-off outlet apparatus
Inventor: SAKAMOTO SETSUO
IPC: F24F13/15
Filed: 2000-11-30
Abstract: PROBLEM TO BE SOLVED: To provide a blow-off outlet apparatus capable of concentrating and bringing to diffusion air conditioning air and of opening and closing a vent passage, and reduce the manufacturing cost of the blow-off outlet apparatus to improve a feeling of operation. SOLUTION: An operator unit 15 is supported through a guide structure 15 in housing 12. A rack 44 of the operation structure 14 is engaged with pinions 57 of four louvers 18 disposed radially to simultaneously rotate the louvers 18. A portion where the rack 44 and the pinion 57 are engaged with each other is covered with a cover 17, whereby a turbulent flow is prevented and vent resistance is reduced. A soft sealing section 55 is formed on the outer periphery of each louver 18 to fully close a vent passage 25.
Patent JP-2002133287-A (JP)
Title: Internet advertising system with news rank
Inventor: KIHARA KAZUMICHI
IPC: G06Q30/06
Filed: 2000-10-24
Abstract: PROBLEM TO BE SOLVED: To solve such problems as the loss of business chance, a loss due to the increase of the labor, and the increase of the service cost because a fluid top page can not be made quickly corresponding to the importance of the Internet advertisement, that an information provider has and the information provider wants to avoid. SOLUTION: The provider of information can set news rank of the Internet advertisement data anytime from a software for referring to the Internet on condition of a contract for using the Internet advertisement which has been signed up in advance (See Fig. 1).
Patent JP-2002174375-A (JP)
Title: Evaluation method for seal performance of oil well pipe screw joint
Inventor: TOYOOKA TAKAAKI
IPC: G01L5/00
Filed: 2000-12-05
Abstract: PROBLEM TO BE SOLVED: To provide an evaluation method for seal performance of oil well pipe screw joint capable of estimating a seal performance closer to practice. SOLUTION: This evaluation method for seal performance of oil well pipe screw joint comprises performing the contact judgment of a pin 1 and a coupling 2 by elastoplastic FEM analysis, and evaluating the seal performance on the basis of the result. In the elastoplastic FEM analysis, a screw is approximated with an axially symmetric ring, the screw part and body part of the coupling are independently area-defined, the fastening process is divided into a plurality of steps, and the screw part of the coupling is slid in the order of these steps to perform the contact judgment of the pin and the coupling.
Patent JP-2002175766-A (JP)
Title: Cathode-ray tube and its protecting method
Inventor: KAWAGUCHI HIROSHI
IPC: H01J29/87
Filed: 2000-12-06
Abstract: PROBLEM TO BE SOLVED: To heighten the strength of the funnel of a cathode-ray tube without increasing the funnel thickness. SOLUTION: The cathode-ray tube 10 is composed of a panel side-face 12 having a panel part 11 in approximately a rectangular shape viewed on the plan, funnel 15 in approximately a pyramid shape formed continuously to the panel side-face 12, a neck 16 in approximately a cylindrical shape continued to the funnel 15, and a sheet material 18 for reinforcement affixed to the outside surfaces of the panel side-face 12 and funnel 15 in such a way as straddling them. The sheet material 18 reinforces the funnel 15 in such a way as capable of preventing the cathode-ray tube 10 from implosion and is furnished with an adhesive material layer to preclude spattering.
Patent JP-2002175796-A (JP)
Title: Cylindrical lithium secondary battery
Inventor: OKITA KAZUNARI
IPC: H01M10/05
Filed: 2000-12-07
Abstract: PROBLEM TO BE SOLVED: To provide a cylindrical lithium secondary battery capable of connecting plural current collection tabs extending from a winding electrode inside a battery can to an electrode terminal mechanism, obtaining a high output density, and preventing deterioration of the sealing performance inside the electrode terminal mechanism after the long-time use. SOLUTION: The electrode terminal mechanism 7 of the cylindrical lithium secondary battery has a first screw member 71 inserted into a through hole 44 of a lid body 42, a second screw member 79 having a flat plane part 79a and screwed into a bottomed screw hole 71d of the first screw member 71, a narrow pressure member 73 having a flange part 73a and inserted into a through hole 79c of the second screw member 79, and a second nut 72 screwed into a screw part 73c projecting from the through hole 79c. The narrow pressure member 73 and the second nut are stored in the bottomed screw hole 71d of the first screw member 71 by screwing the second screw member 79 into the screw hole, and top parts 31 of the plural current collection tabs 3 are clasped between the flat plane part 79a and the flange part 73a by screwing the second nut 72 into the space between them.
Patent JP-2002176797-A (JP)
Title: Charge control device for vehicle and control method therefor
Inventor: YOKOYAMA TETSUYA
IPC: H02J7/02
Filed: 2000-12-07
Abstract: PROBLEM TO BE SOLVED: To provide a charge control device, together with its control method, to a two-system power supply which has simple circuit constitution and does not need power distribution switching in order to solve the problem where a power source of an electrical auxiliary machinery group for a vehicle is a combined system of 14 V/42 V power sources, one for a 42 V system and the other for a 14 V system, a generator constituted of one 3-phase-stator winding is used, and circuit constitution of a method for distributing electric power to the two power supply systems is complex. SOLUTION: This charge control device consists of a voltage regulator for adjusting and supplying an exciting current in response to voltage change of a first power source for the electrical auxiliary machinery group for a vehicle, a first power converter which is connected with an output of the generator and supplies charging power to the first power source, and a second power converter which is connected with the output of the generator and supplies charging power to a second power source in the time division manner by the control of a switching element.
Patent JP-2001231257-A (JP)
Title: Direct-current to direct-current converter
Inventor: YAMADA TOMOYASU
IPC: H02M3/28
Filed: 2000-12-08
Abstract: PROBLEM TO BE SOLVED: To increase the efficiency of a direct-current to direct-current converter, when it is lightly loaded. SOLUTION: Between a pair of DC terminals 18, 19 a series circuit composed of the primary winding 21 of a transformer 2, a switching element 3, and a current detecting resistor 4 is connected. To the secondary winding 22 of the transformer 2, a smoothing capacitor 7 is connected through a diode 6. In parallel with a series circuit of the switching element 3 and the current detecting resistor 4, a resonance capacitor 5 is connected. On the basis of output synthesis of a detected current signal, a detected output voltage signal, and a detected switching voltage signal 11; a control pulse for the switching element 3 is formed. In a control circuit 13, a minimum-off-period determining circuit for setting a first minimum off-period and a second minimum off-period having a hysteresis, is provided.  The off-period of the switching element 3 is limited by the minimum off-period, when the converter is lightly loaded. Zero-volt switching of the switching element 3 to be performed when it is turned on, is performed after the minimum off-period elapses and discharge of stored energy in the transformer 2 finishes.
Patent JP-2002181837-A (JP)
Title: Spot pin and biochip production device
Inventor: NAKAO SUNAO
IPC: B01L3/02
Filed: 2000-12-08
Abstract: PROBLEM TO BE SOLVED: To provide a spot pin capable of sequentially spotting a uniform spot and a biochip production device. SOLUTION: This spot pin capable of sequentially spotting is constructed of a cylindrical inside hollow cylinder body 11, an outside cylinder body 12 slidable along the outside face of the inside hollow cylinder body, a piston 13 fixed to the outside cylinder body at one end and slidable inside the inside hollow cylinder body, a spring 14 arranged inside the outside cylinder body against a force shifting the outside outer cylinder to the front end of the inside hollow cylinder body, and a stopper 15 arranged in a position at a predetermined distance from the front end of the inside hollow cylinder body.
Patent JP-2002181292-A (JP)
Title: Liquefied gas feed system
Inventor: OONISHI TETSUYA
IPC: F17D1/04
Filed: 2000-12-11
Abstract: PROBLEM TO BE SOLVED: To unitarily manage the residual quantity of LPG liquid in the whole system and consequently prevent the unexpected increase in supplying frequency of LPG liquid by determining the precedence of use every bulk vessel in an LPG (gas) feed system equipped with at least two bulk vessels. SOLUTION: In this system, at least two bulk vessels having a gas phase line by natural evaporation and a liquid phase line for supplying LPG liquid to an evaporator are connected in parallel so that the respective gas phase lines and the respective liquid phase lines are combined, respectively. A backflow preventing circuit is set in the course to the evaporator of each liquid phase line. This system uses means of setting at least two different cracking pressures every backflow preventing circuit, and setting a pressure regulator connected every gas phase line to at least two different gas pressures.
Patent JP-2002177605-A (JP)
Title: Pachinko ball pumping up device
Inventor: KUDO MAKOTO
IPC: A63F7/02
Filed: 2000-12-11
Abstract: PROBLEM TO BE SOLVED: To provide a pachinko ball pumping up device wherein a short spiral body on the lowermost stage can be easily replaced without using a special tool or the like. SOLUTION: A supporting-connecting structure which connects a rotating means (17) and a first short spiral body (13P1) in this pachinko ball pumping up device (1) is constituted of a plurality of supporting protrusions (16 and 16) which are formed on either one of them, and supporting recesses (43 and 43) which are provided on the other part in such a manner that respective supporting protrusions (16 and 16) may be able to be inserted or removed. Then, a spiral body connecting structure which connects the first short spiral body (13P1) and a second short spiral body (13P2) is constituted of a plurality of connecting protrusions (16t and 16t) which are formed on either one of them, and connecting recesses (45 and 45) which are formed on the other part.  In this case, the connecting recesses (45 and 45) are provided in such a manner that respective connecting protrusions (16t and 16t) may be able to be inserted or removed. In this case, the connection/release of the supporting-connecting structure or the spiral body connecting structure can be performed only by vertically moving the first short spiral body or the second short spiral body. Therefore, the first short spiral body on the lowermost stage can be easily replaced without using the special tool or the like.
Patent JP-2001249357-A (JP)
Title: Liquid crystal light valve and projection type display using the same
Inventor: SATO HIDEO
IPC: G02F1/133
Filed: 2000-12-06
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal light valve, which uses a semiconductor substrate and which has superior resistance against light and which enables fast writing of video signals, and to provide a projection type display, in which the image of high definition and high quality can be displayed. SOLUTION: Three layers of metal layers divided by slits are formed on a semiconductor substrate, having a switching element region and the layers, are arranged with the slits in each layer shifted in the direction parallel to the semiconductor substrate to shield the semiconductor substrate from light. Two layers of metal layers divided by slits are formed on the semiconductor substrate, and a semiconductor region for the reference potential is formed in the place, where the incident light through the slit reaches the semiconductor substrate. A substrate feed line for supplying the substrate potential in the substrate potential region, and the holding capacitance region in the switching element region is formed in one of the above metal layers. The substrate feed line and the video signal line are arranged parallel to each other.
Patent JP-2002181368-A (JP)
Title: Air conditioner
Inventor: NAKAMURA YASUHIRO
IPC: F25B13/00
Filed: 2000-12-14
Abstract: PROBLEM TO BE SOLVED: To provide a dehumidification control method for an air conditioner for improving dehumidification performance and suppress the sense of air flow or of cold air, as much as possible. SOLUTION: In an air conditioner during dehumidification operation, dehumidification control for varying the capacity of a motor-driven expansion valve or a compressor is varied, by comparing the target piping temperature of an indoor heat exchanger and a piping temperature detected by a first indoor piping temperature detecting means with each other, a second piping temperature sensor is situated at an indoor heat exchanger, and based on the difference in temperature between the two piping temperatures, the target piping temperature is varied.
Patent JP-2002184342-A (JP)
Title: Charged particle processing for forming pattern border in uniform thickness
Inventor: HAGIWARA RYOJI
IPC: G03F1/54
Filed: 2000-12-14
Abstract: PROBLEM TO BE SOLVED: To provide an efficient processing method and its device that realize uniform processing without bluntness of the pattern border area and can perform plural pattern processing at the same time in implementing deposition processing or etching processing of prescribed patterns using the focusing ion beam device. SOLUTION: When the deposition processing or etching processing is implemented by using the charged particle beam device, the processing area of the pattern is divided into micro-areas comparable to the beam diameter and when uniform processing is made, the scanning number of times or the like is adjusted so that the dose for each micro-area may be equal, and the irradiation scanning of the charged particle beam is performed so that plural patterns in the scanning possible area may be processed concurrently.
Patent JP-2002178844-A (JP)
Title: Long size molding with decorative strip
Inventor: KAMIYA KOJI
IPC: B60R13/04
Filed: 2000-12-15
Abstract: PROBLEM TO BE SOLVED: To provide a long size molding with a decorative strip hardly generating a clearance between a main body and the decorative strip and hard to generate a removal of the decorative strip from the main body. SOLUTION: This long size molding main body 20 is provided with a start side insertion hole 220 and an end side insertion hole 220 at each end of a recessed groove 200. In the start side insertion hole 220, a bottom part 260 is provided with a forward projecting part 264, and a support part 222 is provided with a backward projecting part 224. The decorative strip 30 inserted into the start side insertion hole 220 is pressed in the thickness direction by the backward projecting part 224 and the forward projecting part 264, and securely held. With this structure, the clearance between the molding main body 20 and the decorative strip 30 hardly occurs and the decorative strip 30 hardly displaces or removes.
Patent JP-2002182224-A (JP)
Title: Optoelectronic device and electronic instrument
Inventor: TSUCHIE TAKASHI
IPC: G02F1/1339
Filed: 2000-12-15
Abstract: PROBLEM TO BE SOLVED: To provide a optoelectronic device which can accurately instruct the formation position of a plurality of layers respectively without securing a wide area as an area where a mark is added, and to provide an electronic instrument using the optoelectronic device. SOLUTION: A rectangular mark 100 is formed on a second transparent substrate 20 among a pair of substrates which constitute the optoelectronic device. The outside edge 120 of the mark 100, an inner side edge 120, and a portion corresponding to a width 140 indicate an alignment layer, an overcoat film, and the formation position of a sealing material, respectively.
Patent JP-2002188815-A (JP)
Title: Heating cooking apparatus
Inventor: KANEKAWA NORIYUKI
IPC: F24C7/02
Filed: 2000-12-19
Abstract: PROBLEM TO BE SOLVED: To perform simple and reliable setting of heating operation of cooking of a cooking book on a market and a cooking program televised by television. SOLUTION: Setting of heating of a food 1 is substituted by numeral codes 26 of figures according to predetermined conditions, such as, the functions, the high frequency outputs, the heating temperatures, and the cooking times of a microwave oven, an oven, and a grill. The numeral codes 26 are inputted from a key input part 11 and the food 1 can be cooked.
Patent JP-2002194442-A (JP)
Title: Method for producing high strength hot rolled steel sheet having excellent surface property
Inventor: MUKAI YOICHI
IPC: B21B45/00
Filed: 2000-12-21
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a high strength hot rolled steel sheet which has excellent removability of Si scale, and has excellent surface properties. SOLUTION: A slab having a steel composition containing, by mass, 0.03 to 0.25% C, 0.1 to 2.5% Si and 0.05 to 2.0% Mn, or further containing one or more kinds selected from 0.05 to 2.0% Cr, 0.30 to 1.5% Cu, 0.30 to 1.5% Ni, 0.02 to 0.30% Nb and 0.02 to 0. 30% Ti, and the balance Fe with inevitable impurities is heated and held at a surface temperature in the range of 1,200 to 1,280 deg.C for >=75 min. The slab surface temperature before final descaling directly before finish rolling is controlled to <=1,180 deg.C, and the slab is subjected to final descaling, is finish-rolled, and is thereafter coiled.
Patent JP-2001230216-A (JP)
Title: Method of manufacturing semiconductor device
Inventor: YAMAZAKI SHUNPEI
IPC: H01L29/786
Filed: 2000-12-25
Abstract: PROBLEM TO BE SOLVED: To provide manufacturing equipment (system) for obtaining a high- cleanliness process for the manufacture of the semiconductor element of a semiconductor integrated circuit, etc. SOLUTION: A multi-chamber system has a plurality of vacuum equipment (film forming equipment, etching equipment, heat treatment, preparatory chamber, etc.) which are used for the equipment of a semiconductor element.
Patent JP-2002194012-A (JP)
Title: Method for producing aqueous dispersion and aqueous dispersion
Inventor: SAKAI YOSHIYUKI
IPC: C09D11/00
Filed: 2000-12-25
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a stable aqueous dispersion wherein emulsion polymerization is carried out using a high-molecular emulsifier obtained by the polymerization and the aggregate is not formed at the polymerization, and to provide an aqueous dispersion excellent in the gloss and the blocking property. SOLUTION: Three steps synthesize the aqueous dispersion (c), which include the first step to obtain a primary polymer (a) by subjecting a radical polymerizable unsaturated monomer (X) containing unsaturated monomers which contain a carboxyl group and a carbonyl group to emulsion polymerization; the second step to obtain a primary polymer (a') by neutralizing the polymer (a) with a basic substance; and the third step to obtain a secondary polymer (b) by subjecting a radical polymerizable unsaturated monomer (Y) containing an unsaturated monomer having a radical polymerizable unsaturated group of 2 or more to emulsion polymerization in the presence of the primary polymer (a'). The aqueous dispersion (d) is obtained by further adding a hydrazide compound.
Patent JP-2002189621-A (JP)
Title: Back-up method for volume
Inventor: ONABE KENJI
IPC: G06F12/16
Filed: 2000-12-20
Abstract: PROBLEM TO BE SOLVED: To solve problems in data integrity for which a user is required to hold a differential dump every day or every other week and a time and labor are required thereby, and that a time and labor are required for data restoring since full back-up and the differential dump are required for the data restoring. SOLUTION: Plural volumes 5a-5d are provided in a memory 1, the data are written multiplexedly in the volumes, the volumes are separated from the multiplex-writing after an assigned time, the data within the assigned time are backed up thereby to serve as volumes, the differential dump is not required thereby to be held, and the data restoring is not required by using the backed-up volume.
Patent JP-2002196523-A (JP)
Title: Electrophotographic photoreceptor, method for producing the same, image forming method, image forming device and process cartridge
Inventor: ITAMI AKIHIKO
IPC: G03G5/05
Filed: 2000-12-25
Abstract: PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor having a protective layer excellent in toner cleaning performance and stability to the curling-up of a cleaning blade and to provide a method for producing the photoreceptor, an image forming method, an image forming device and a process cartridge. SOLUTION: In the electrophotographic photoreceptor obtained by disposing a resin layer on an electrically conductive substrate, the resin layer contains a resin having a polycarbonate component, a siloxane condensation component and an electric charge transporting structural component.
Patent JP-2002194976-A (JP)
Title: Control device for opening and closing body
Inventor: ODATE KAZUKI
IPC: E06B9/82
Filed: 2000-12-26
Abstract: PROBLEM TO BE SOLVED: To realize setting of a reference position of an opening and closing body immune to incidents which normally affect the setting such as fluctuation of voltage at the power source, and thereby prevents setting error as much as possible. SOLUTION: In the process of opening a shutter, a processing means 3 judges that a shutter is fully opened when load on an opening and closing machine M is detected, and have a memory 5 memorizes a reference pulse-count value which indicates the full-open position. At this setting of the full-open position, if voltage value at the power source detected by a power source detection means 4a fluctuates, a power source state judgment means stops the setting of the full-open position. With this, even though the fluctuation of voltage at power source is caused in the course of opening the shutter, error to set a mid-position as the full-open position can be prevented.