baber/WOPTO huggingface dataset:
Patent JP-2002344552-A (JP)
Title: Preamble length estimation circuit, demodulation unit, and communication system
Inventor: ASAHARA TAKASHI
IPC: H04L27/227
Filed: 2001-05-15
Abstract: PROBLEM TO BE SOLVED: To provide a preamble length estimation circuit which is capable of estimating the signal length of unknown CR signals inserted into burst signals. SOLUTION: This preamble length estimation circuit is equipped with an N symbol differential calculation unit 11 which receives signals in which CR signals are inserted as a preamble and makes a differential between the above signals and signals obtained by delaying the received signals by N symbols undergo differential processing, a moving average filter unit 12 which makes the above differential processing result undergo moving average processing, a power calculation unit 13 which calculates a signal power by the use of the above moving average processing result, and a CR length measuring unit 14 which estimates the signal length of CR signals by the use of the signal power.
Patent JP-2002339358-A (JP)
Title: Leader of pile driver
Inventor: MIYAGAWA SHUNSUKE
IPC: E02D7/16
Filed: 2001-05-16
Abstract: PROBLEM TO BE SOLVED: To overcome a problem such that an expensive welding jig is provided for each classification of leader constituting bodies or correction is performed by gauging without respect to compatibility, because deformation of a rib due to welding heat makes it impossible to avoid occurrence of an error in accuracy of mounting of guide pipes so that the guide pipes can be displaced with respect to each other so as to interfere with smooth operations of a guide gib in an connection with another leader constituting body, though the conventional leader constituting body is constituted in such manners that the two mutually parallel guide pipes are welded via the rib to a principal-member pipe wherein flanges are welded to both ends and that working devices such an auger and a hammer are mounted on the guide gibs for slidably holding the guide pipes in a sandwiching manner. SOLUTION: Two rings, the external shape of which corresponds to that of the guide pipe, are formed integrally at an interval in positions corresponding to respective peripheral edges of the coupling flanges fixed to both of the ends of the main-member pipe, and the guide pipe is laid for fixation between the mutually corresponding rings, so as to constitute the leader constituting body. Constitutionally, the plural leader constituting bodies are coupled together by fastening a nut and a bolt which is made to pass through the coupling flange.
Patent JP-2002345102-A (JP)
Title: Drive circuit for inductive load
Inventor: NOBUHARA MOCHIKIYO
IPC: H01F7/18
Filed: 2001-05-17
Abstract: PROBLEM TO BE SOLVED: To reduce errors in abnormality determination of an inductive load, such as relays. SOLUTION: High-frequency noises from an inverter portion 230 are lead to the stray capacity 255 between a ground and a distributing-to-load wire 250 to a system main relay(SMR) 2, via the electrostatic coupling, etc., between a high-voltage system power supply line and the distributing wire 250. The induced high frequency noises generate DC components by the detection function of an arc-extinguishing quick-cut circuit 130, and this DC component oscillates a parallel resonance system of the stray capacity 255 and the solenoid of the SMR 2, and low-frequency noise is generated. If this low-frequency noise exceeds the reference voltage of a comparator 126 for monitoring the load voltage of an intelligent MOS 120, there may be cases, where this causes wrong abnormality determination of the SMR 2.  By connecting a low-frequency noise- reducing capacitor 160 to the distributing wire 250 in parallel with the stray capacity 255, the level of the low-frequency noise is reduced, and wrong abnormality determination is prevented.
Patent JP-2002338338-A (JP)
Title: Low temperature burned ceramics substrate
Inventor: AKAHO KAZUNORI
IPC: H05K3/46
Filed: 2001-05-18
Abstract: PROBLEM TO BE SOLVED: To provide a ceramics substrate which has low transmission loss in high frequency, is burnable at <=930 deg.C, and has high reliability in the connection parts of FC(flip chip) and BGA(ball grid array). SOLUTION: The low temperature burned ceramics substrate in which Qf is >=3,000 GHz, deflective strength is >=180 MPa, and the coefficient of linear expansion at room temperature to 300 deg.C is 9 to 12 ppm/ deg.C consists of a sintered compact of, by mass, a 35 to 40% filler (wherein, 30 to 39.5% quartz, and Al2 O3 and/or Fe2 O3 of 0.5 to 5% in total can be contained), and 60 to 65% glass. The composition of the glass consists of 40 to 46% SrO, 35 to 40% SiO2 , 9 to 11% B2 O3 , 1.5 to 5.8% SnO2 , 2 to 4% ZnO, 0.6 to 2.8% Al2 O3 +AlN, 0.1 to 2% Na2 +K2 O and 0.1 to 1.5% MgO, and the balance impurities of <=2% in total.
Patent JP-2002344426-A (JP)
Title: Transmission/reception method and transmission/reception apparatus for polarization state control signal
Inventor: SHISHIDA HIROHIKO
IPC: H04J14/00
Filed: 2001-05-18
Abstract: PROBLEM TO BE SOLVED: To provide a transmission/reception method and a transmission/ reception apparatus for a polarization state control signal, capable of separation of a polarized wave by signal processing at a speed which is smaller than the transmission signal speed. SOLUTION: A first optical wave or a second optical wave is modulated by modulators 4 and 6 in a transmission side by a signal from a third signal source 7, having satisfactory small correlation with both a first signal and a second signal which are generated by separating light from a light source 1 by an optical coupler 2. The third signal is extracted as an electric signal in a receiving terminal, and the electric signal is used as a control signal for an automatic polarization controller 13.
Patent JP-2002338649-A (JP)
Title: Catalyst for producing polyurethane resin and method for producing polyurethane resin
Inventor: MASUDA TAKAHIRO
IPC: C08G101/00
Filed: 2001-05-22
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a polyurethane resin which can give a product with good production and moldability and baraly leaves an amine in the product to free from; and a catalyst for use in the same. SOLUTION: The method for producing a polyurethane resin comprises using an amine compound as the catalyst, wherein the amine compound is comprised of a compound represented by formula (1) (wherein R<1> and R<2> are each independently a 1-4C alkyl group, and A is a 5-10C straight or branched alkylene group).
Patent JP-2002353865-A (JP)
Title: Array antenna transmitter-receiver and its calibration method
Inventor: MARUTA YASUSHI
IPC: H04B7/08
Filed: 2001-05-23
Abstract: PROBLEM TO BE SOLVED: To provide an array antenna transmitter-receiver with an excellent transmission reception characteristic while keeping prescribed calibration accuracy. SOLUTION: The array antenna transmitter-receiver comprises an array antenna 10, wireless transmission reception sections 30-1-n corresponding to each antenna element, user signal processing sections 50-1-m corresponding to the number m of users, multiplexer/demultiplexer circuits 20-1-n, 40-1-n provided to inputs and outputs of the wireless transmission reception sections 30-1-n, a calibration signal transmission reception processing section 70 that generates a calibration signal in a burst way on the basis of calibration interval information 300 outputted from a calibration interval decision section 90 and detects a difference between the calibration signal passing through the wireless transmission reception sections 30-1-n and the original calibration signal,  and the calibration interval decision section 90 that decides the calibration interval in a way that the calibration accuracy satisfies a prescribed standard and the calibration interval is as long as possible.
Patent JP-2002350660-A (JP)
Title: Laminated structure type photobleaching waveguide and its manufacturing method
Inventor: IMOTO KATSUYUKI
IPC: G02B6/12
Filed: 2001-05-23
Abstract: PROBLEM TO BE SOLVED: To provide a laminated structure type photobleaching waveguide, with which a high-precision waveguide can be easily obtained at a low cost and its manufacturing method. SOLUTION: Core layers 3a-1 to 3a-6, and 3b-1 to 3b-6 and respective flank clad layers 4a and 4b are made of polymer materials for photobleaching, so all the core layers 3a-1 to 3a-6 and 3b-1 to 3b-6, and all the flank clad layers 4a and 4b can be formed together only by performing exposure by ultraviolet- ray irradiation through a photomask once. Consequently, the waveguide can easily be formed at a low cost. Further, those core layers 3a-1 to 3a-6, and 3b-1 to 3b-6, and flank clad layers 4a and 4b can be formed through single-time batch exposure, so those core layers 3a-1 to 3a-6 and 3b-1 to 3b-6, and flank clad layers 4a and 4b can be formed while their position precision and size precision are maintained with high precision.
Patent JP-2002080987-A (JP)
Title: Sodium refining apparatus and refining system
Inventor: NISHI TOSHIRO
IPC: C22B26/10
Filed: 2001-05-24
Abstract: PROBLEM TO BE SOLVED: To provide a sodium refining apparatus which is simple in constitution and is free of deterioration of a solid-state electrolyte. SOLUTION: The sodium refining apparatus for removing the impurities in sodium through the sodium ion conductive solid electrolyte includes a blind solid electrolyte cylinder 11, a outer cylinder container 12 which is internally provided with the blind solid electrolyte cylinder 11, and a power source 17 which is formed by packing a small amount of the pure sodium 13 into the blind solid electrolyte cylinder 11 and packing the impurity-containing sodium 14 into the outer cylinder container 12 in such a manner that both of the sodium come into contact with each other via the solid electrolyte cylinder and inserting electrodes 15 and 16 respectively into both of the sodium and impresses DC voltage to the electrodes 15 and 16.
Patent JP-2002346280-A (JP)
Title: Storing tool
Inventor: TOYOSAWA MANABU
IPC: A45C7/00
Filed: 2001-05-24
Abstract: PROBLEM TO BE SOLVED: To provide a storing tool for facilitating putting in/taking out of a stored object. SOLUTION: The tool is provided with a flexible cylinder pat 12 at least partially and the cylindrical part 12 has a fastener which is bent concerning the generatrix 12a. The storing tool is applied to a bag, a cylindrical laundry net or a cylindrical drying net to be used for drying dishes, etc., outdoors, etc. The cylindrical drying net is provided with a cylindrical part main body consisting of a net for storing an object to be dried such as the dishes, a hang part for vertically hanging the cylindrical part main body and a partitioning part which is arranged inside the cylindrical part main body and partitions the cylindrical part main body into a plurality of chambers in a vertical direction.  The fastener is arranged by bending with respect to the generatrix of the cylindrical part main body and also the neighborhood of the fastener at the bending and projecting side is connected to the partitioning part.
Patent JP-2002348102-A (JP)
Title: Hydrogen purification equipment
Inventor: FUJIWARA SEIJI
IPC: H01M8/06
Filed: 2001-05-24
Abstract: PROBLEM TO BE SOLVED: To provide a hydrogen purification equipment, having a simple constitution and control which smoothly increases the temperature of a modifying catalyst and a gas cleaning catalyst, capable of realizing shortening the activation time and maintaining the catalyst reactivity, and also capable of stabilizing a carbon monoxide concentration in a gas at the exit of gas cleaning part, at a low concentration. SOLUTION: The hydrogen purification equipment is provided with a gas supplying part which comprises a reforming part 1, a raw material supply part 3, a water supply part 4, a reforming and heating part 5 and supplies a reforming gas, a modifying part 6 having a modifying catalyst, and a gas cleaning part 13 having a cleaning catalyst. The base material, where the modifying and cleaning catalysts are supported, in an electrically conductive material and is heated by making an electric current flow thereto.
Patent JP-2002353044-A (JP)
Title: Inverter transformer
Inventor: SUZUKI SHINICHI
IPC: H05B41/282
Filed: 2001-05-25
Abstract: PROBLEM TO BE SOLVED: To provide a small and inexpensive inverter transformer in which a plurality of CFLs can be lighted while minimizing increase in the number of components. SOLUTION: First and second bobbins 26a and 26b are integrated while being applied with secondary windings 25a and 25b, respectively, I-shaped cores 23a and 23b are inserted into core insertion holes 55a and 55b, respectively, and a primary winding 24 is wound commonly around the integrated first and second bobbins 26a and 26b. A square core 21 is interposed between the I-shaped cores 23a, 23b and a sheet 27 of nonmagnetic material and coupled magnetically to have a specified leakage inductance. Since two CFLs can be driven using a single square core 26, the number of components can be decreased as compared with a case using two square cores in correspondence with the I-shaped cores 23a and 23b. Consequently, the size of the inverter transformer can be reduced resulting in an inexpensive inverter transformer.
Patent JP-2002352724-A (JP)
Title: Gas discharge panel
Inventor: YASUI HIDEAKI
IPC: H01J11/26
Filed: 2001-05-28
Abstract: PROBLEM TO BE SOLVED: To provide a gas discharge panel having proper displaying performance reducing generation of crosstalk. SOLUTION: The gas discharge panel has electrodes, which are formed on at least one of substrates which compose a substrate pair, and the electrodes are covered with a dielectric film, and regions consisting of conductive material are disposed on dielectric film portions, corresponding to each middle position between respective electrodes.
Patent JP-2002348035-A (JP)
Title: Inter folder
Inventor: SANO SHINYA
IPC: B31D1/00
Filed: 2001-05-28
Abstract: PROBLEM TO BE SOLVED: To uniformly remove paper powder deposited on folding plates. SOLUTION: An inter folder for stacking a plurality of continuous sheets while folding by a folding plate group 21 comprising a plurality of continuous folding plates P, etc., has a movable air jet means 10 for jetting air to at least the folding plate P while moving in the vicinity of the folding plate P.
Patent JP-2002354195-A (JP)
Title: Signal processing circuit and solid-state image pickup device
Inventor: SUGIYAMA YUKINOBU
IPC: H04N5/369
Filed: 2001-05-29
Abstract: PROBLEM TO BE SOLVED: To provide a solid-state image pickup device that can pick up an image with excellent quality at a high-speed. SOLUTION: A VI conversion circuit 40n receives a voltage signal outputted from a hold circuit 30n, converts the received voltage signal into a current signal on the basis of the resistance of a resistor element R40 and provides the output of the current signal from a source terminal of a MOS transistor(TR) T40 . An amplifier A40 has a sufficient open loop gain and the MOS TR T40 is in operation in a saturated region. If the resistance of the resistor element R40 is R, the current I outputted from the VI conversion circuit 40n has a proportional relation expressed in Expression 'I=V/R', where V is the voltage given to the VI conversion circuit 40n.
Patent JP-2002357012-A (JP)
Title: Damper device using elastic body
Inventor: NISHIZAWA HITOSHI
IPC: F16F15/08
Filed: 2001-05-29
Abstract: PROBLEM TO BE SOLVED: To provide a damper device, which has the high degree of freedom on installation at a time when the damper device is installed in a structure frame and the cost of which is reduced by decreasing the number of parts. SOLUTION: In the damper device, which has the first tabular plate capable of being joined with one of the opposed places of the frame for a structure and the second tabular plate capable of being joined with the other of the opposed places, in which the first tabular plate and the second tabular plate are connected by frictional force with an elastic body and which uses the elastic body, a pushing and fixing means pushing and fixing the elastic body connecting the first and second tabular plates by its frictional force against the first and second tabular plates without interposing adhesives in both the first and the second tabular plates.
Patent JP-2002355634-A (JP)
Title: Garbage treatment method and apparatus
Inventor: YAMAMOTO TAKANORI
IPC: B09B3/00
Filed: 2001-05-31
Abstract: PROBLEM TO BE SOLVED: To provide a garbage treatment method and apparatus by which troubles by coagulation of fats and oils are prevented. SOLUTION: The garbage treatment method and apparatus comprises circulating steam (36) generated from garbage (2) heated in a treatment tank (4) to a cooling means (a radiator 38) and cooling and separating the steam from the condensate water (54) and then turning it back to the treatment tank and before, during or after the heating treatment of the garbage, the cooling means is heated by heating means (a heater 56 or a heater 32) or the steam (36) and consequently, the fats and oils remaining in the cooling means can be dissolved and fluidized to be discharged.
Patent JP-2002359334-A (JP)
Title: Terminal structure of semiconductor device
Inventor: MAENO KAZUHIRO
IPC: H01L23/48
Filed: 2001-05-31
Abstract: PROBLEM TO BE SOLVED: To easily connect a terminal to be pulled out with a semiconductor element. SOLUTION: The terminal 19 to be pulled out is inserted at molding into a case 17. The terminal 19 is constituted of material such as metal or the like having elasticity. The lower end 19a is curved in J form to form a press part. When assembling a semiconductor device 11, the lower end 19a contacts with the pad 20 of a substrate 20, and the semiconductor element 16 connected by wire to the pad 20 and the terminal 19 are connected with each other.
Patent JP-2002358248-A (JP)
Title: Data recording device and data erasing device
Inventor: DENDA AKIHIRO
IPC: G11B27/32
Filed: 2001-06-04
Abstract: PROBLEM TO BE SOLVED: To provide a data recording device and a data erasing device that can execute data recovery processing in a short time and precisely even if the fault of power supply shutdown or the like occurs during the recording and erasing of the data. SOLUTION: The data recording device is comprised of a recording means that has a data recording area in which the data are recorded by a predetermined unit, a first management data area in which the management data for the data in the data recording area are stored by the predetermined unit, and a second management data area in which the management data identical with the management data stored in the first management data area are stored by the predetermined unit, a control means that executes, by the predetermined unit, control processing including the processing of recording data for the data recording area and the processing of updating the management data for the first management data area and the second management data area, and a memory for storing the status data indicating the status of control processing by the predetermined unit by the control means.
Patent JP-2002362730-A (JP)
Title: Control method, rfid tag, and control system for air freight baggage
Inventor: IKEGAI MITSUGI
IPC: G06K17/00
Filed: 2001-06-04
Abstract: PROBLEM TO BE SOLVED: To provide a control method for air freight baggage, capable of realizing positive automatic sorting and security control of the air freight baggage in an airport, effective utilization of spaces in the airport and easy formalities, and facilitating applications to other services related to the airport. SOLUTION: A RFID tag TG filled with at least sorting information for sorting and conveying the baggage BG to a corresponding baggage loading work place (hereinafter referred to as 'makeup') 17 for an airplane is attached to the baggage BG of a passenger as an air freight baggage tag at a check-in counter 11. The contents of the baggage BG are inspected by inspection devices 19, 29 disposed at conveyance lines 13, 15, 18, 27 from the counter 11 to the makeup 17, the inspection result is recorded on the tag TG through an antenna 21, and the accepted baggage BG is conveyed to the makeup 17 based on the sorting information in the tag TG. The baggage BG without acceptance data is sorted to the tag TG in the makeup 17.
Patent JP-2002361380-A (JP)
Title: Continuous casting method
Inventor: ASAHINA TAKESHI
IPC: B22D11/126
Filed: 2001-06-05
Abstract: PROBLEM TO BE SOLVED: To provide a continuous casting method, without extending the distance from a mold to a cutting device, and capable of increasing the casting speed for casting of all sizes. SOLUTION: The casting whose unsolidified thickness is 120 mm or less is pressed down overall width in the lateral direction to attach the unsolidified part by pressure, and the casting is cut at the place where the unsolidified part is attached by pressure.
Patent JP-2002362765-A (JP)
Title: Feeder for corrugated board sheet
Inventor: JINNAI KUNIO
IPC: B65H3/56
Filed: 2001-06-05
Abstract: PROBLEM TO BE SOLVED: To provide a feeder for corrugated board sheets, eliminating such inconveniences that slippage is caused by two horizontal rules applied to a feed roller or a feed roll at the same time and then the feeding accuracy is therefore degraded. SOLUTION: The feeder for the corrugated board sheets 3 comprises a plurality of feed roller trains 11 for feeding the lowermost corrugated board sheets 3 separated one by one from a sheet stack 2 stacked on a sheet feed table 1, wherein at least one train of the feed roller trains 11 can be moved in parallel to the moving direction of the corrugated board sheets 3.
Patent JP-2002261248-A (JP)
Title: Semiconductor device
Inventor: SORADA HARUYUKI
IPC: H01L27/10
Filed: 2001-06-05
Abstract: PROBLEM TO BE SOLVED: To provide an element which is well matched with the current Si process and has a small element area and multiple negative resistance characteristics and a multi-value SRAM cell having a cell area sufficiently small to form an integrated device, using the multiple negative resistance element while it is difficult in prior art, to make an integrated SRAM superior in high-speed performance at the same integration degree as DRAM. SOLUTION: To laminate and connect in series two or more structures, each having a tunnel barrier film held between a degenerate p-type semiconductor layer and an n-type semiconductor layer, the p-type semiconductor layer and the n-type semiconductor layer are composed of polycrystalline materials.
Patent JP-2002367557-A (JP)
Title: Detection apparatus for organic trace component
Inventor: FUKUDA NORIHIRO
IPC: G01N27/62
Filed: 2001-06-06
Abstract: PROBLEM TO BE SOLVED: To provide a detection apparatus and method for organic trace components capable of quick analysis at high sensitivity. SOLUTION: The detection apparatus includes: a capillary column 54 serving as a sample introduction means for continuously introducing a leaking molecular beam 53 into a vacuum chamber 52 as a sample 51, a laser beam application means 54 for applying a laser beam 55 to the leaking molecular beam 53 for laser ionization; an ion converging part 56 consisting of a plurality of ion electrodes 56-1 to 3 for converging the molecules laser ionized, an ion trap 57 for selectively enriching the converged molecules, and a time-of-flight mass spectrometer 60 having an ion detector 59 for detecting ions emitted at predetermined intervals and reflected by a reflection 58. The timing for ionizing the sample 51 is synchronized with the period of the high-frequency electrode of the ion trap 57 and the ionized molecules are selectively trapped by the ion trap 57.