baber/WOPTO huggingface dataset:
Patent JP-2002274935-A (JP)
Title: Dielectric ceramic and laminated electronic part
Inventor: KAMIGAKI YASUYO
IPC: H01G4/12
Filed: 2001-03-16
Abstract: PROBLEM TO BE SOLVED: To provide dielectric ceramics having a high relative dielectric constant and preferable temperature characteristics of the relative dielectric constant even when the crystal grains are formed into fine particles and to provide laminated electronic parts having a small reduction rate of the capacitance even when a high voltage is applied. SOLUTION: The ceramics contain perovskite barium titanate crystal grains (BCT crystal grains) with a part of the A-site substituted with Ca, perovskite barium titanate crystal grains (BT crystal grains) having no substituent Ca, and Mg and rare earth elements. At least a part of the above Mg and rare earth elements forms a solid solution in the BCT crystal grains and in the BT crystal grains. Both of the BCT crystal grains and the BT crystal grains have 0.2 to 0.8 μm average particle size and a core-shell structure with Mg and rare earth elements unevenly present in the grain surface side than in the grain center.
Patent JP-2002279380-A (JP)
Title: Ic card recording medium, and manufacturing method therefor
Inventor: CHO SHOTEI
IPC: B42D15/10
Filed: 2001-03-19
Abstract: PROBLEM TO BE SOLVED: To provide a reliable and durable non-contact IC card recording medi um which is ready for an IC card free from interlayer separation, in particular an IC module panel, which has an antenna especially formed of polyethylene terephthalate as the base material. SOLUTION: In the IC card, in which a base material A13 consisting of at least thermoplastic polymer resin, the non-contact IC module panel 14 having the antenna formed of polyethylene terephthalate at the base material, and a base material B15, consisting of thermoplastic polymer resin are successively laminated thereon and integrated with each other, an IC card recording medium is integrated between the base material A, the base material B and the IC module panel having the antenna via adhesive layers 16a and 16b which are adhesive, when heated.
Patent JP-2002280954-A (JP)
Title: Wireless base station unit
Inventor: TAKEUCHI RYOSUKE
IPC: H04B17/17
Filed: 2001-03-21
Abstract: PROBLEM TO BE SOLVED: To provide a radio base station unit that can compensate a fault in a short time, without increasing the processing quantity on the occurrence of the fault in a radio signal transmission reception section. SOLUTION: Each of the radio signal transmission reception sections 20-1 to 20-n entirely manages operation information used respectively by a plurality of sectors, selects desired operation information from among them and transmits/ receives data through a sector, corresponding to the operation information.  Furthermore, a standby radio signal transmission reception section among the wireless signal transmission reception sections 20-1 to 20-n recognizes the operating state of the other radio signal transmission reception sections via a state information shared line 62 and the standby radio signal transmission reception section uses the operation information corresponding to the sector, through which the faulty radio signal transmission reception section has transmitted/ received data and transmits/receives data through the sector on the occurrence of the fault in the other radio signal transmission reception section.
Patent JP-2002287576-A (JP)
Title: Image forming apparatus and its control method
Inventor: ENDO TAKEYA
IPC: G03G21/00
Filed: 2001-03-27
Abstract: PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of saving energy when the motor unit is turned off while enhancing power efficiency as a motor unit by eliminating unnecessary power loss in the motor unit and preventing shortning of its component life. SOLUTION: A power source (24 V) for power system is supplied to a driving means 9 of a motor 7 through a power supply line 5 and a power source (5 V) for control system is supplied to a control part 8 through a power supply line 4.
Patent JP-2002293554-A (JP)
Title: Apparatus for producing quarts glass
Inventor: YAMAKADO MAMORU
IPC: C04B35/48
Filed: 2001-03-28
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus for producing quarts glass with which high productivity and high yield are attained, without environmental pollution by impurities derived from refractory. SOLUTION: This apparatus for producing quarts glass is provided with an oxygen/hydrogen flame burner 4 for producing molten glass from supplied raw materials. A storing container 6 is composed of refractory less polluted with metals and storing the molten glass to make quarts glass block. An insulated furnace body 5 is housing the storing container 6 and an electrode 11 installed between the insulated furnace body 5 and the storing container 6 and on which high voltage is applied.
Patent JP-2002290230-A (JP)
Title: Cmos inverter
Inventor: SATO MASATOSHI
IPC: H03K19/0948
Filed: 2001-03-28
Abstract: PROBLEM TO BE SOLVED: To provide a CMOS inverter that can be operated at a low voltage. SOLUTION: This invention provides the CMOS inverter where a gate of a P-channel MOS transistor(TR) P1 and a gate of an N-channel MOS TR N1 are coupled with an input terminal IN in terms of AC via 1st and 2nd capacitors C1, C2 respectively and a signal around a center level optimized by a bias voltage from a 1st (2nd) variable voltage source V1(V2) with respect to each threshold voltage is given to the gate of the P(N) channel TR to attain a high- speed operation without being affected by the threshold voltage under a low power supply voltage.
Patent JP-2002290110-A (JP)
Title: Circulator for non-radioactive dielectric line, and milliwave transmitter/receiver using the same
Inventor: HIRAMATSU NOBUKI
IPC: H01P1/38
Filed: 2001-03-28
Abstract: PROBLEM TO BE SOLVED: To provide a circulator which has small fluctuations of the characteristics, the circulator characteristic can stably be obtained with satisfac tory reproducibility, superior reliability without problems of cracks in a ferrite plate is obtained, and insertion loss is small. SOLUTION: In the circulator for an NRD guide, the two ferrite plates 2 are stuck on the inner faces of parallel flat conductors via adhesive layers having the thickness of 1 to 100 μm.
Patent JP-2002293652-A (JP)
Title: Carbon-containing wet process spraying monolithic refractories
Inventor: NAKAMURA RYOSUKE
IPC: F27D1/00
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To provide carbon-containing wet process spraying monolithic refractories which can be kneaded with a low moisture content, have good force feedability, are free of problems, such as flow down and dislodgment in the sections to be applied, make it possible to obtain applied bodies having a dense matrix structure and are capable of effectively exhibiting the excellent characteristics of carbon material. SOLUTION: One or more kinds of sodium polyoxyethylene alkyl ether sulfate, formalin condensate of sodium β-naphthalinesulfonate, higher sodium alkyldicarboxylate and alkyltrimethylammonium chloride are used as a dispersant for the carbon material hardly wettable with water and an alkali condensed phosphate and/or sodium polyacrylate is used as a dispersant for superfine refractory powder. The specific dispersant for the carbon material and likewise the specific dispersant for the fine refractory powder are thus used in combination.
Patent JP-2002301310-A (JP)
Title: Apparatus and method for supplying raw liquid in filter press
Inventor: GOTO HIROSHI
IPC: B01D25/12
Filed: 2001-04-04
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus for supplying a raw liquid in a filter press, in which the filtration efficiency is improved without necessitating a large scaled apparatus or a stuff skillful in technique even if properties of sludge, surplus soil, or the like, is changed in time series at random. SOLUTION: The raw liquid supply apparatus has a filtrate detecting means 17 for detecting the quantity of a filtrate 19 per unit time, which is discharged from a filter chamber 13, at a fixed time before or after the change of operation that the raw liquid composed of a solid/liquid mixture is supplied to a plurality of the filter chambers 13 formed by adjacent filter plates 12 by being switched from a low pressure pump 15 to a high pressure pump 16, a filtrate comparing and computing means for comparing between the quantity Q1 of the filtrate detected before the change of the operation and the quantity Q2 of the filtrate after the change of the operation and computing,  and a pump operation switching control means for prolonging the next working time of the low pressure pump 15 when the computed result in the filtrate comparing and computing means is Q1>Q2 and for shortening the next working time of the low pressure pump 15 when Q1>Q2.
Patent JP-2002303766-A (JP)
Title: Optical connector
Inventor: ASADA KAZUHIRO
IPC: G02B6/42
Filed: 2001-04-06
Abstract: PROBLEM TO BE SOLVED: To provide an optical connector that excels both in shielding performance against electromagnetic noise and in heat radiating performance. SOLUTION: A metallic shield case 10 containing the element body Da of an optical element D is stored and arranged in the case storing recess 25 of a resin-made connector housing 20. The exterior of the connector housing 20 is covered with a metallic shield cover 30, in the manner that the cover 30 is in surface contact with the entire back of the connector housing 20.
Patent JP-2002307370-A (JP)
Title: Rotary joint
Inventor: FUJIEDA SHUNJI
IPC: B25J19/00
Filed: 2001-04-17
Abstract: PROBLEM TO BE SOLVED: To provide a rotary joint capable of smoothly revolving even at small torque and not deteriorating an environment in a clean room due to air leakage. SOLUTION: This rotary joint is constituted to communicate by an air tube free to allow rotation of a rotational side body by spirally and loosely winding a port provided on a fixed side body and the rotational side body held on a bearing around an axis of rotation as is center as a means to achieve the purpose.
Patent JP-2002317797-A (JP)
Title: Compressor blade and pressure loss reducing method
Inventor: NAKANO TSUGUJI
IPC: F04D29/38
Filed: 2001-04-19
Abstract: PROBLEM TO BE SOLVED: To provide a compressor blade capable of securing the stable operation range of a compressor and a pressure loss reducing method thereof by restricting the generation of a layer flow separating bubbles and the development of a turbulent flow boundary layer in a low-Raynolds number range to improve the efficiency of the compressor, and preventing the reduction of a surge margin. SOLUTION: A front half part of the blade from a front edge to a back side is formed with a rough surface 9 having relatively large surface roughness in relation to a rear half part of the blade. The rough surface 9 having Ra=1.6-0.8a of surface roughness is formed at about 60% of the chord length formed from the front edge to the bask side of the blade, and a smooth surface 10 having relatively small surface roughness is formed in the rear half part of the blade.
Patent JP-2002319452-A (JP)
Title: Memory module connecting receptacle
Inventor: YAMADA MASAHARU
IPC: H01R13/639
Filed: 2001-04-20
Abstract: PROBLEM TO BE SOLVED: To provide a receptacle to receive a memory module wherein many terminals are arranged with a narrow pitch and wherein there is less generation of warpage of a housing. SOLUTION: This receptacle 20 is provided with the housing 21 having a slot 22 to receive one side wherein terminals of the memory module are arranged, and a pair of arms 30 extended from both sides and having a latch 34 to be engaged with both side faces of the memory module. Contact inserting grooves 25 formed by a prescribed distance and contacts 24 inserted into and arranged at these contact insertion grooves 25 are installed at inner walls 22a, 22b of the slot 22. Then, at a position corresponding to a terminal not utilized in a function of the memory module or electrical equipment to mount it, the contact insertion grooves 25 are not installed or the contacts are not inserted into the contact insertion grooves 25 of the above position.
Patent JP-2002318109-A (JP)
Title: Three-dimensional shape measuring method
Inventor: TAKEDA MITSUO
IPC: G01B11/24
Filed: 2001-04-20
Abstract: PROBLEM TO BE SOLVED: To provide a three-dimensional shape measuring method having improved measurement accuracy. SOLUTION: Lattice patterns are projected simultaneously onto a measuring object with changed colors relative to each of plural one-dimensional lattices 1-3 having mutually different cycles and directions. A lattice image deformed corresponding to the three-dimensional shape of the measuring object is imaged, and the lattice image is separated into one-dimensional lattice components in each color, and phases are detected in each one-dimensional lattice component, to thereby acquire measured values of the three-dimensional shape based on each phase. The measuring object is also imaged by white light, to thereby also measure color information of the measuring object.
Patent JP-2002319637-A (JP)
Title: Semiconductor memory, write method and read method therefor and integrated circuit device using the same
Inventor: ARAI NOBUTOSHI
IPC: G11C16/04
Filed: 2001-04-23
Abstract: PROBLEM TO BE SOLVED: To provide a highly reliable semiconductor memory which can suppress threshold dispersion and is superior in low power consumption, the write method and read method and an integrated circuit device using it. SOLUTION: In this semiconductor memory, a gate insulation film 13 capable of direct tunneling is used, and at of writing information, a gate voltage for which enables direct tunneling of the gate insulation film 13 is applied constantly and continuously, until an inversion layer 17 disappears. conversely, at the reading of information, the gate voltage and a bias voltage are controlled, so as to form the inversion layer 17 and to disable the direct tunneling of the gate insulation film 13.
Patent JP-2002288738-A (JP)
Title: Automatic selling machine type printing device and sales method for printing state of things of performance on event day at event hall and selling printed matter
Inventor: UEDA MITSUNOBU
IPC: G06Q30/06
Filed: 2001-03-22
Abstract: PROBLEM TO BE SOLVED: To solve a problem that the state of things of performance on the event day at an event hall is not printed in printed matter and the printed matter is not sold on the event day conventionally because many people want to buy a souvenir and a memento produced by a professional person using the state of things of the performance and having high quality on the event day. SOLUTION: An automatic selling machine type printing device having the network connection environment is installed at the event hall, the state of things of the performance on the event day is produced by the professional person by digital information and is printed in printed matter by the automatic selling machine type printing device at the event hall through the Internet, and the printed matter is sold to respond to event user' desire by printing the scenes which become commemoration and memory into the printed matter using the state of things of the performance on the event day and selling the printed matter on the event day.
Patent JP-2002323247-A (JP)
Title: In-ceiling heat recovering machine
Inventor: KIMURA KEIICHI
IPC: F24F12/00
Filed: 2001-04-25
Abstract: PROBLEM TO BE SOLVED: To provide an in-ceiling heat recovering machine with which energy- saving heating operation of an air conditioner is made practicable. SOLUTION: The machine body 21 is formed with a ceiling air inlet 22, a ceiling air outlet 23, an outside air inlet 24, and an outside air outlet 25 are formed in a machine body 21. A heat recovery air duct E, communicating with the ceiling air inlet 22 and the ceiling air outlet 23 and an outside air treating air duct F communicating with the outside air inlet 24 and the outside air outlet 25. A sensible heat exchanger 26, for heat-exchanging the outside air through the outside air inlet 24 and ceiling air through the ceiling air inlet 22, is situated astriding the heat recovery air duct E and the outside air treating air duct F. Heat recovery outside air through the outside air outlet 25 is taken into the air conditioner.
Patent JP-2002324485-A (JP)
Title: Cleaning method of electron gun for cathode-ray tube
Inventor: ADACHI ETSUSHI
IPC: C11D7/26
Filed: 2001-04-25
Abstract: PROBLEM TO BE SOLVED: To provide a cleaning method of an electron gun for a cathode-ray tube, which can completely clean and remove organic pollutants sticking to the electron gun. SOLUTION: In this cleaning method of an electron gun for a cathode-ray tube, an electrode group except the cathode of the electron gun 3 is cleaned by polymethylene oxide, preferably tetramethylene oxide 2 as a detergent. The detergent may not include a stabilizer. The cleaning may be implemented in an oxidation preventing gas.
Patent JP-2002014097-A (JP)
Title: Chromatographic measuring apparatus
Inventor: TAKAHASHI MITSUE
IPC: G01N33/543
Filed: 2001-04-25
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive, high-sensitivity, and high-performance chromatographic measuring apparatus which uses a reduced number of constituent members and in which the test piece preparing process is simplified. SOLUTION: At least an area of a chromatography test piece 1 from a labeling reagent holding section 3, which holds a labeling reagent at a specific protein immobilizing section 5 in which a color reaction is seen, is covered with a liquid-impermeable sheet material 6 composed of a plastic tape, etc., and another area of the test piece 1 is not covered but is opened.
Patent JP-2002322165-A (JP)
Title: Method for purifying saturated cyclic epoxy compound
Inventor: OMORI HIDEKI
IPC: C07B61/00
Filed: 2001-04-26
Abstract: PROBLEM TO BE SOLVED: To provide a method for purifying reaction products which is capable to obtain highly purified saturated cyclic epoxy compounds by solving problems in conventional methods of manufacturing saturated cyclic epoxy compounds, thus after being finished the nuclear hydrogenation, some of by-products are contained in the reaction products formed by ring-opening reaction of some portions of epoxy groups, and the selective ratio of the desired product is lowered in accordance with increasing of the equivalence of the epoxy group. SOLUTION: The method for purifying saturated cyclic epoxy compounds of the present invention is characterized by nuclear-hydrogenating the benzene ring in an aromatic epoxy compound having at least one epoxy group in the molecule, by using a ruthenium-carrying catalyst to obtain saturated cyclic epoxy compound, then extraction and removal of the by-products being formed are conducted by using two-layer type liquid phase/liquid phase of the above- mentioned saturated cyclic epoxy compounds with n-hexane.
Patent JP-2002328253-A (JP)
Title: Method for fusion splicing constant polarization optical fibers
Inventor: OKI EISUKE
IPC: G02B6/024
Filed: 2001-04-26
Abstract: PROBLEM TO BE SOLVED: To provide an automatable fusion splicing method for constant polarization optical fibers by which the polarization plane of an optical fiber is surely detected from the luminance distribution of a picked up image. SOLUTION: The method is for a fusion splicing of a pair of optical fibers 20a and 20b which maintain polarization plane by arranging a stress-imparted part around a core part. The butted part of a pair of the optical fibers 20a and 20b is mounted on a fusion splicing device 21, the butted part is positioned by image observations 23x and 23y from two different side directions of the optical fibers, the distance between the bright end of the luminance distribution of the optical fiber which is obtained by at least one picked up image, and the luminance peak which is closest to the bright end is derived on both sides of the bright end part, an adjustment is made so that the sum of the distance becomes minimum, the stress-imparted parts are made coincident, and fusion spliced.
Patent JP-2002327281-A (JP)
Title: Surface treatment liquid for aluminum or aluminum alloy
Inventor: NOMURA MASAYA
IPC: F16J1/02
Filed: 2001-04-27
Abstract: PROBLEM TO BE SOLVED: To provide a surface treatment liquid (an aqueous solution) which contains magnesium silicofluoride (MgSiF6 .6H2 O), and an ammonia compound or an aqueous ammonium, which forms an uniform layer, and in which the more quantity of aluminum and aluminum alloys can be repeatedly treated without replenishing than in the conventional liquid, while maintaining corrosion resistance and abrasion resistance of the layer. SOLUTION: The surface treatment liquid for aluminum or an aluminum alloy including an ammonium compound or aqueous ammonia, and silicofluoride magnesium, is characterized by including organic dicarboxylic acid and organic acid having 3 or more carboxyl groups. The surface treatment method for aluminum or an aluminum alloy is characterized by using the treatment liquid. A piston or a sliding member treated with the surface treatment method is also provided.
Patent JP-2002329037-A (JP)
Title: Acquisition-case management system, acquisition-case managing-and-processing method, computer-readable recording medium which records program, and the program
Inventor: OHIRA TOSHIKO
IPC: G06Q50/26
Filed: 2001-04-27
Abstract: PROBLEM TO BE SOLVED: To provide an acquisition-case management system that manages acquisition cases relating to acquisitions in accordance with acquisition-case management items and assists identifying the acquisition cases relating to lost articles to which searches are made and also automatically identifies searchers to be the right persons to claim the lost articles. SOLUTION: The acquisition-case management system searches the acquisition cases using a user type 354 whose item use 305 is for the condition for searching, and displays a search-result list using a color 351 and shape 352 whose item uses 305 are for the search-result list, and then judges the conformity concerning the acquisition cases selected from the search-result list by using an amount of taken-in money 353, other taken-in articles 355, flaws and strains 356 whose item uses 305 are for the judgment of the conformity.
Patent JP-2002337909-A (JP)
Title: Composite container cap
Inventor: MURAKAMI SHIGENORI
IPC: B65D47/36
Filed: 2001-05-10
Abstract: PROBLEM TO BE SOLVED: To effectively restrain breakage and deformation from occurring to a die tool in slit forming at molding and to improve moldability for a composite container cap having a cap main body in a double wall structure wherein at least a part of a cylindrical side wall is divided into an inner side wall and an outer side wall. SOLUTION: For the composite container cap having the cap main body in a double wall structure wherein the cylindrical side wall is divided into the outer side wall and the inner side wall, a corrugated surface having projections and dents alternately in the circumferential direction is formed either at the inside of the outer side wall or the outside of the inner side wall, and thereby the strength of the slit forming die tool is heightened and the pressure of resin applied to the die tool at the time of molding can be dispersed and moldability can be improved with breakage and deformation occurring to the die tool at the time of molding effectively restrained.