baber/WOPTO huggingface dataset:
Patent JP-2002215675-A (JP)
Title: Information retrieval system
Inventor: UCHIKAWA NOBUYUKI
IPC: G06F17/30
Filed: 2001-01-17
Abstract: PROBLEM TO BE SOLVED: To attain the efficiency of information retrieval by a user of a terminal unit in an information retrieval system. SOLUTION: The terminal unit 1 and an information retrieval device 2 are connected through a communication line 5, and the information retrieval device 2 retrieves contents coinciding with an information retrieval request from the terminal unit 1, and provides the terminal unit 1 with information on the concerned contents. At this time, an access frequency storage means 3 stores the access frequency of the contents accessed by the terminal unit, and an information providing control means 2 provides the terminal unit 1 with the information on the contents coinciding with the information retrieval request from the terminal unit 1, on the basis of the stored contents of the access frequency storage means 3 so that the information concerned is outputted by the terminal unit 1 in order of the access frequency of the contents.
Patent JP-2002212550-A (JP)
Title: Method for producing rare earth-activated alkaline earth metal fluoride halide-based phosphorescent particle, and rare earth-activated alkaline earth metal fluoride halide-based phosphorescent particle
Inventor: KAWABATA KANAE
IPC: C09K11/61
Filed: 2001-01-18
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a fluorescent particle for a radioactive ray image conversion panel, hardly causing deterioration of properties by moisture absorption, capable of being used in a good state of sensitivity for a long period, and further to provide a rare earth-activated alkaline earth metal fluoride halide-based phosphorescent particle. SOLUTION: This method for producing the rare earth-activated alkaline earth metal fluoride halide-based phosphorescent particle produced by a liquid phase method, represented by general formula (1): Ba(1-x)M2xFX:yM1, zLn and having 1-10 μm average particle diameter is characterized in that a precursor particle of the rare earth-activated alkaline earth metal fluoride halide-based phosphorescent particle is covered with at least two kinds selected from metal oxide particles, and the covered particle is fired.
Patent JP-2001191572-A (JP)
Title: Thermal head
Inventor: IWATA HITOSHI
IPC: B41J2/345
Filed: 2001-01-24
Abstract: PROBLEM TO BE SOLVED: To provide a thermal head which can be connected easily with a set by miniaturization. SOLUTION: This device comprises a first ground electrode 15 provided along the longitudinal direction of an insulated substrate 1 on an insulated film 21 provided on an individual electrode 8 lead out from a heat generating resistor 6, a second ground electrode 18 connected with a driving IC, provided along the longitudinal direction of the insulated substrate on the side opposite to the first ground electrode with respect to the driving IC 9, and a connection electrode 22 for electrically connecting the first ground electrode and the second ground electrode, disposed across the adjacent driving ICs.
Patent JP-2002219708-A (JP)
Title: Method for manufacturing master batch for modifying resin
Inventor: HATAKEYAMA YOSHIHIRO
IPC: B29B7/30
Filed: 2001-01-25
Abstract: PROBLEM TO BE SOLVED: To establish a method for continuously and stably manufacturing a master batch containing a large amount of polyisobutylene over a long time. SOLUTION: In the method for manufacturing the master batch for modifying a resin by continuously transferring a polyolefin in a continuous kneader and continuously adding polyisobutylene to the transferred polyolefin and continuously melting the polyolefin and polyisobutylene to knead them, the polyolefin is allowed to be present in a non-molten state at a place where polyisobutylene is added in the continuous kneader.
Patent JP-2001242677-A (JP)
Title: Color image recorder
Inventor: NAKAMURA MASAHIKO
IPC: H04N1/04
Filed: 2001-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a small sized color image recorder with a simple constitu tion, where a beautiful color image can be obtained and with a superior maintainability. SOLUTION: In the device, each image forming unit 1Bk, 1Y, 1M or 1C can be sequentially moved to a same image forming position 50 by moving by revolving the whole group of a multiple number of image forming units provided with different color toners. Image formation is carried out on the image forming unit at the image forming position 50 by a signal light 13 and that toner image is transferred to a facing intermediate transfer belt 32. Optical paths of signal lights 13 constituted of adjacent two image forming units are in parallel to each other and width of a gap is to be less 20 mm.
Patent JP-2002220552-A (JP)
Title: Photocurable resin composition and plasma display panel with black matrix formation using the same
Inventor: ICHIKAWA HIBIKI
IPC: C09D4/02
Filed: 2001-01-29
Abstract: PROBLEM TO BE SOLVED: To provide a photocurable resin composition excellent in preservation stability and capable of forming baked coating film with sufficient blackness after baked without impairing its excellent adhesiveness to a substrate, resolution and bakability in respective steps of drying, exposure, development and baking, and to provide a plasma display panel(PDP) having a black matrix formed using the above resin composition. SOLUTION: A fundamental 1st embodiment of this photocurable resin composition comprises (A) tricobalt tetroxide (Co3O4) black microparticles, (B) an organic binder, (C) a photopolymerizable monomer and (D) a photopolymerization initiator. A 2nd embodiment of this composition comprises (E) inorganic microparticles besides the above four components. The black matrix of the other objective PDP is formed by coating such a photocurable resin composition as described above onto the transparent electrode of a front glass substrate followed by exposure in accordance with a specified pattern, development and baking.
Patent JP-2002080827-A (JP)
Title: Aqueous dispersion for chemical and mechanical polishing
Inventor: HATTORI MASAYUKI
IPC: B24B37/00
Filed: 2001-01-29
Abstract: PROBLEM TO BE SOLVED: To provide an aqueous dispersion for chemical and mechanical polishing(CMP) which excels in the balance between chemical etching and mechanical polishing capacity. SOLUTION: The aqueous dispersion for CMP is characterized by comprising abrasive grains, water, and a heteropolyacid. This aqueous dispersion for CMP can comprise abrasive grains, water, a heteropolyacid, and an organic acid. As the above abrasive grains, a colloidal silica having a primary particle diameter of 5-100 nm can be used. The above heteropolyacid is preferably one kind to be selected from molybdosilicic acid, tungstophosphoric acid, tungstosilicic acid, molybdophosphoric acid, and tungstomolybdosilicic acid. Further, the organic acid is preferably one kind to be selected from oxalic acid, malonic acid, succinic acid, gluraric acid, adipic acid, maleic acid, fumaric acid, phthalic acid, malic acid, tartaric acid, and citric acid.
Patent JP-2002224058-A (JP)
Title: Self-safety control device
Inventor: KATO CHITOSE
IPC: G08B21/18
Filed: 2001-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a self-safety control device for avoiding a danger without restricting a range for controlling safety of a user. SOLUTION: This self-safety control device has a state sensing means 2 for measuring blood pressure, an abnormality determining means 3 for determining this as abnormal when the blood pressure suddenly rises/drops or is higher than normal blood pressure, and an announcing means 41 for announcing this when abnormality is caused, and is integrated with these means.
Patent JP-2002219322-A (JP)
Title: Method and apparatus for detecting damage of filter medium of bag filter
Inventor: KOIKE KOKI
IPC: B01D46/02
Filed: 2001-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a method and apparatus for detecting the damage of the filter cloth of a bag filter capable of achieving cost reduction. SOLUTION: A soot measuring sensor 8 is arranged to a gas gathering exhaust flow channel 7 for gathering and exhausting gases passed through respective filter chambers A-G and, when the measured value of the soot measuring sensor 8 reaches the predetermined damage level of the filter cloths, the filter cloths 5 are judged to be damaged to successively perform the on-off operation to the filter chambers for closing the dampers 3 and 4 of one or at most [N-(number of filter chambers)-1] filter chambers and opening them after the elapse of a predetermined time, and the damaged place of each filter cloth 5 is specified on the basis of the measured value during a period when the dampers 3 and 4 of each filter chamber are closed.  By this constitution, the detection of the damage of the filter cloths 5 and the identification of the damaged filter cloth are performed only by using one soot measuring sensor 8 without separately using piping or a sensor for identifying the damaged filter cloth.
Patent JP-2002230935-A (JP)
Title: Tape hub
Inventor: TSUYUKI KIYOMI
IPC: B29C45/14
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive, high strength and high performance tape hub. SOLUTION: The tape hub 10 has a cylindrical wall of a multilayered structure which is formed by covering a reinforcement core material 12 with a resin material 11 to form at least an outer peripheral surface 10A.
Patent JP-2002234778-A (JP)
Title: METHOD FOR PRODUCING CARBON FIBER REINFORCED SiC COMPOSITE MATERIAL
Inventor: NAKANO KENJI
IPC: C04B41/87
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a carbon fiber reinforced SiC composite material which does not substantially require leveling work and exhibits satisfactory oxidation resistance when used as a material for a jig for heat treatment of various metals by forming an SiC layer as uniformly as possible on the whole surface of a platelike blank comprising carbon fibers. SOLUTION: Prepreg sheets comprising carbon fibers are stacked, shaped and fired to obtain a blank having a desired size and comprising carbon fibers and carbon. Metallic silicon is impregnated into the blank from the Y-Z face in the thickness direction and an SiC layer is formed on the whole surface of the blank by firing the blank to produce the objective carbon fiber reinforced SiC composite material.
Patent JP-2002224671-A (JP)
Title: Electrolytic cell
Inventor: NAKAGAWA KAORI
IPC: C02F1/46
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide an electrolytic cell which can enhance electrolytic efficiency without lowering the flow rate of water flowing the inside while miniaturizing the cell. SOLUTION: A cathode chamber 1 having a cathode 11 inside, and an anode chamber 2 having an anode 21 inside are formed through a electrolytic diaphragm 3. An inlet 41 of water is provided at one side of the cathode chamber 1 and the anode chamber 2, respectively, and an outlet 42 of water is provided at the other side. A diaphragm support 6 which supports the electrolytic diaphragm 3, and on which straightening ribs 5 are formed to make a direction from the inlet 41 side of the cathode chamber 1 and the anode chamber 2 to the outlet 42 side in a longitudinal direction, is provided. Running water passages 7 partitioned by the straightening ribs 5 are formed in the cathode chamber 1 and the anode chamber 2.  Flow parts 51 to which water can flow to the adjacent running water passages 7 partitioned by the straightening ribs 5 are formed in the inlet 41 side end part of the straightening ribs 5.
Patent JP-2002234407-A (JP)
Title: Device for determining deterioration of on-vehicle battery
Inventor: AKAGI YOSHIHIKO
IPC: G01R31/36
Filed: 2001-02-06
Abstract: PROBLEM TO BE SOLVED: To provide a device for determining the deterioration of an on-vehicle battery capable of determining at low cost whether or not the battery is deteriorated and reduced in capacity, without requiring hardware such as circuits to be added, for preventing the starting property of the vehicle from being impaired by low voltages during startup and for preventing an increase in the frequency of misfires. SOLUTION: The device includes low voltage counters 101 and 102 which count up if the battery voltage below a predetermined value becomes equal to or greater than the predetermined value under predetermined conditions, and a determination renewal means 103 which determines that the battery is deteriorated and reduced in capacity if the count value of each of the counters 101 and 102 is equal to or greater than the predetermined value before completion of engine startup.
Patent JP-2002226676-A (JP)
Title: Epoxy resin composition and accurately formed article
Inventor: SUZUKI DAISUKE
IPC: C08L63/00
Filed: 2001-02-07
Abstract: PROBLEM TO BE SOLVED: To provide an epoxy resin composition capable of providing an accu rately formed article which has low water absorption, short length of burrs, and low dimensional change after water absorption and further has low surface roughness and low roundness, and also to provide inexpensive resin ferrule made of this resin composition and having high accuracy of dimension and high accuracy of moisture resistant thermal dimension. SOLUTION: The epoxy resin composition contains a silica mixture comprising an aromatic epoxy resin, a curing agent, a curing accelerator, spherical silica of 70-92 mass% having a maximum particle diameter of <=200 μm and an average particle diameter of <=40 μm, and spherical silica of 25-2 mass% having a maximum particle diameter of <=50 μm, an average diameter of <=10 μm, and a specific surface of >=7 m2/g. The resin ferrule having high accuracy of dimension and high accuracy of moisture resistant thermal dimension is obtained by forming this epoxy resin composition.
Patent JP-2002237256-A (JP)
Title: Method for manufacturing flat discharge tube
Inventor: NAKAJIMA TAKETO
IPC: H01J65/00
Filed: 2001-02-08
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a flat discharge tube capable of fixing a discharge distance. SOLUTION: In this method for manufacturing a flat discharge tube 11, a pair of glass bases 14, 14 are disposed face to face so as to be separated by a prescribed discharge distance (d), and a discharge space 17 having a prescribed discharge gas sealed between both glass bases 14, 14 is formed. Respective spacers 31 are interposed between both glass bases 14, 14 at the four corners of the space. Therefore, a distance between both glass bases 14, 14, that is; the discharge distance (d) can be fixed in the manufacturing process of this flat discharge tube 11. Accordingly, no individual difference in the discharge distance (d) is made between products, and product quality can be stabilized.
Patent JP-2002236107-A (JP)
Title: Gas detecting element and gas detector using the same
Inventor: GEN EITETSU
IPC: G01N27/416
Filed: 2001-02-09
Abstract: PROBLEM TO BE SOLVED: To improve a sensitivity characteristic by improving a joint property between a solid electrolyte substrate and a detecting electrode and the stability of a three-phase interface. SOLUTION: Noble metal (at least one kind out of Au, Ir, Rh and/or Pt, Pd, Pu) is added to a substrate layer 15 between the solid electrolyte substrate 1 and the detecting electrode 5.
Patent JP-2002238285-A (JP)
Title: Soft start circuit of brushless motor
Inventor: ISHII TAKAAKI
IPC: H02P6/06
Filed: 2001-02-09
Abstract: PROBLEM TO BE SOLVED: To prevent an abnormal speed rotary control signal from being generated when switching duty after soft start is made and rotational speed reaches a target value. SOLUTION: An up/down counter 38 is counted up by a first clock signal in activation, a rotary speed control signal DSfan is generated following slope that is gradually increased, and a PWM signal is generated by a PWM output circuit 44 for increasing the speed. After a target speed that is determined by a rotational speed target value signal Dfan is reached, the up/down counter 38 is counted up or down by a second clock signal, and the rotational speed control signal DSFan that is changed with a slope of 100%/second is generated for controlling the speed.
Patent JP-2002241122-A (JP)
Title: Method for manufacturing high-purity silica
Inventor: KUMA KIMITAKA
IPC: C01B33/158
Filed: 2001-02-13
Abstract: PROBLEM TO BE SOLVED: To provide a method for easily manufacturing high-purity silica by using an inexpensive sodium silicate aqueous solution as a raw material. SOLUTION: This method for manufacturing high-purity silica comprises a reaction step to produce precipitates of silica sol by reacting a sodium silicate aqueous solution with a mineral acid and an impurity extracting/removing step to extract/remove impurities by treating the obtained precipitates with the mineral acid. The reaction step and/or the impurity extracting/removing step are carried out in the presence of diethylenetriamine pentaacetic acid.
Patent JP-2002201637-A (JP)
Title: Head end isolation member for cast-in-place pile
Inventor: IWAKIRI SHIGERU
IPC: E02D5/34
Filed: 2001-02-13
Abstract: PROBLEM TO BE SOLVED: To provide a head end isolation member for a cast-in-place pile allowing efficient handling in setting to a reinforcement and removal of an extra fill part in a short time. SOLUTION: This head end isolation member 1 for covering the reinforcement of the pile head of a cast-in-place reinforced concrete pile is formed of a closed cell foam, and a bottom face and an upper face of the head end isolation member 1 are provided with reinforcement insertion holes 2, 3 respectively. The reinforcement insertion hole 2 of the bottom face is so formed that the inner diameter of at least the lower end is larger by 5-30% than the average maximum diameter of the reinforcement, and the reinforcement insertion hole 3 of the upper face is so formed that the inner diameter of at least the upper end is smaller by 5-20% than the average maximum diameter of the reinforcement. Both reinforcement insertion holes 2, 3 are set to continuously communicate with each other.
Patent JP-2002245061-A (JP)
Title: Keyword extraction
Inventor: TANAKA TAKASHIGE
IPC: G06F17/30
Filed: 2001-02-14
Abstract: PROBLEM TO BE SOLVED: To solve a problem that it is hard to construct a database for easily and precisely retrieve a large amount of text data such as a Web page. SOLUTION: Data of the Web page being a collective kind of text data are collected by a patrol engine, its morpheme is analyzed and words are extracted. Calculation with respect to TFIDF being a deviated appearance frequency is performed concerning the words and only the prescribed words are picked-up as a keyword. A vector expressing text data is calculated through the use of the words so that the database is constructed. In the case of retrieval, a sentence for retrieval is inputted, the keyword is segmented from it, the vector expressed by the keyword is compared with the database and, then, a similar site is outputted. Retrieval is performed precisely not by simply comparing the words but by determining similarity in the vector which is expressed by the words characterizing a document.
Patent JP-2002239858-A (JP)
Title: Machine tool
Inventor: YAMAGUCHI MASAO
IPC: B23Q1/26
Filed: 2001-02-15
Abstract: PROBLEM TO BE SOLVED: To provide a machine tool capable of suppressing the transmission of pulsation of an oil pressure generated in accordance with the operation of a hydraulic unit to a hydraulic operation part and preventing a possibility of reduction of machining precision due to the generation of vibration in a tool and a workpiece of the machine tool by the transmission of pulsation. SOLUTION: The hydraulic unit 23 and hydraulic operation parts 15, 17, 21 such as a hydrostatic bearing are mutually connected by an elastic tube 24, and a length of the elastic tube 24 is set to at least 10 meters. When an oil pressure is supplied to the hydraulic operation parts 15, 17, 21 from the hydraulic unit 23 through the elastic tube 24, the pulsation generated in the oil pressure is erased by elastic deformation of the elastic tube 24.
Patent JP-2002247885-A (JP)
Title: Rack swing controller
Inventor: SATO ITSUKI
IPC: H02P7/00
Filed: 2001-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a rack swing controller which can keep an amplitude of a rack constant regardless of the load state of the rack. SOLUTION: There are provided a rack to which a magnetic material is attached, and a solenoid 20 which attracts the magnetic material. As a period, for exciting the solenoid 20 is determined according to a distance obtained by multiplying an amplitude of the rack by an attenuation factor, a required power product can be given to the rack. As a power product corresponding to the attenuation of the amplitude accompanying a swing, therefore, can be given to the rack by a solenoid excitation unit 80, the amplitude accompanying the swing of the rack can be kept constant.
Patent JP-2002240806-A (JP)
Title: Casing and feeding apparatus for agricultural product
Inventor: ODA TOMOSHI
IPC: B65B35/32
Filed: 2001-02-19
Abstract: PROBLEM TO BE SOLVED: To provide a casing and feeding apparatus for agricultural products with which an impact to be applied to the products at casing and feeding can be sufficiently buffered to reliably prevent the products from getting damaged. SOLUTION: The easing and feeding apparatus includes a rotatable hopper which is formed to have an approximately sectorial cross section with a guide member having an arcuate guide and side plate members provided at both ends of the guide member and equipped with a supply port and a discharge port on both sides along the arc, and a support plate provided in the hopper with its tip rotatable along the arcuate guide. The hopper guides the agricultural products supported by the support plate by the rotation of the support plate stepwise toward the discharge port along the arcuate guide, rotatably separates from the support plate and opens the discharge port, thereby discharging the products in the hopper for feeding.  The hopper and the support plate are provided to be capable of rising/lowering, wherein a predetermined distance is set between an agricultural product feeding apparatus positioned upward and an agricultural product conveyer for casing which is positioned downward by their rising/lowering.
Patent JP-2002246521-A (JP)
Title: Heat radiating fin and heat sink
Inventor: NAGAOKA KATSUMI
IPC: F28D15/02
Filed: 2001-02-20
Abstract: PROBLEM TO BE SOLVED: To provide a heat radiating fin and a heat sink which are not easily deformed by an external force caused by twisting or the like to keep constant the space between fins and are excellent in heat radiating effect (heat homogenization). SOLUTION: This heat radiating fin comprises at least one side face in which at least one protrusion and a notch having a size and shape that correspond to the protrusion and are arranged on the center line of the protrusion, and a main face that is connected to the side face.
Patent JP-2002241073-A (JP)
Title: Safety device for passenger conveyor
Inventor: ISHIYAMA TSUTOMU
IPC: B66B31/00
Filed: 2001-02-20
Abstract: PROBLEM TO BE SOLVED: To provide a safety device for a passenger conveyor capable of preventing an operator from forgetting the power-down. SOLUTION: In this safety device of the passenger conveyor 1 provided with upper and lower machine rooms 2, 3 and covers 5, 6 for covering the machine rooms, the passenger conveyor 1 is provided with an announcing device 10 for announcing the power-down when the covers 4, 5 are opened.