baber/WOPTO huggingface dataset:
Patent JP-2002204532-A (JP)
Title: Battery condition monitoring circuit and battery device
Inventor: SAKURAI ATSUSHI
IPC: G01R31/36
Filed: 2001-01-05
Abstract: PROBLEM TO BE SOLVED: To provide a long-life and safe battery device by attaining a battery condition monitoring circuit, capable of completely maintaining an overcharge protecting condition, overdischarge protecting condition and overcurrent protecting condition. SOLUTION: This battery condition monitoring circuit in the battery device is structured so that both of detection delays when overcharging, overdischarging and overcurrent become respective protecting conditions and a relief delay when they go out of the protecting conditions is ensured.
Patent JP-2002208551-A (JP)
Title: Reflection/refraction optical system and projection aligner
Inventor: TAKAHASHI TETSUO
IPC: G03F7/20
Filed: 2001-01-10
Abstract: PROBLEM TO BE SOLVED: To provide a reflection/refraction optical system and a projection aligner having a high NA of 0.6 or above required for high resolution in which chromatic aberration is corrected well even in an extreme ultraviolet region, especially for a wavelength of 200 nm or less, all optical members are arranged on one line and a rectangular exposure field can be formed. SOLUTION: Image of a first surface is formed on a second surface based on an image side telecentric light beam and two or more even number of reflection planes and at least one refraction member are provided. At least one of odd numbered reflection planes, when counted from the first plane of the even number of reflection planes, is concave and assuming the effective diameter of the concave reflection plane is MA1 and the largest effective diameter of at least one refraction member is RA, following relation is satisfied; (MA1/RA)<=(1/2.1), and the concave plane is directed oppositely to the second surface.
Patent JP-2002209210-A (JP)
Title: Image transmission system and method, and transmitter and receiver used for it
Inventor: MIYAZAKI AKIO
IPC: H04N19/166
Filed: 2001-01-11
Abstract: PROBLEM TO BE SOLVED: To provide an image transmission system and method immune to a burst error and to provide a transmitter and a receiver used for it. SOLUTION: A fixed length coder 3 codes image data. A data transmission section 4 transmits coded image data for a plurality of number of transmission times. A fixed length decoder 6 decodes the image data transmitted for a plurality of times respectively. A received data selection circuit 8 selects image data without an error or a least error among decoded image data.
Patent JP-2002206478-A (JP)
Title: Piston for compressor and compressor using the same
Inventor: KAWACHI MASAKI
IPC: F04B27/08
Filed: 2001-01-11
Abstract: PROBLEM TO BE SOLVED: To appropriately control quantity of the blowby gas, while preventing corrosion of a piston. SOLUTION: This piston 18 for a compressor is connected to a driving mechanism through a connection part 18B inside of a crank chamber 5, reciprocated inside of a cylinder bore 3, and used for a compressor 60, having a process for compressing the coolant gas sucked into the cylinder bore 3 accompanying the reciprocating motion, Coating is performed on the peripheral surface of a cylindrical piston body 18A, and the surface of a formed coating layer 18F is provided with a groove part 18G which is within the thickness range of the coating layer.  By installing this structure, corrosion of the piston body 18A is prevented, and released of limitation of the coolant gas, the lubricating oil and the material; each member of the crank chamber 5 side is lubricated and cooled by the lubricating oil included in the blowby gas from the groove part 18G; furthermore, seizure and abrasion is prevented by the lubricating and cooling effects of the lubricating oil supplied from the groove part 18G to a part between the piston body 18A and the cylinder bore 3; and durability is improved.
Patent JP-2002208130-A (JP)
Title: Magnetic recording medium
Inventor: HATTORI KOJI
IPC: C09D7/12
Filed: 2001-01-12
Abstract: PROBLEM TO BE SOLVED: To provide a magnetic recording medium having satisfactory electromagnetic transducing characteristics, high output, a low frictional coefficient and excellent running properties. SOLUTION: In the magnetic recording medium, in which a coating layer having at least a magnetic layer including ferromagnetic powder and a binder is formed on a substrate, when the fine pores of the coating layer are measured by a N2 adsorption method, the peak values of the fine pore distribution obtained from an adsorption branch and from a desorption branch are 4-8 nm and 3-5.5 nm, respectively.
Patent JP-2002216953-A (JP)
Title: Display device and its manufacturing method
Inventor: KAWASHIMA TOSHITAKA
IPC: H05B33/06
Filed: 2001-01-15
Abstract: PROBLEM TO BE SOLVED: To provide a display device and its manufacturing method wherein a large-sized screen can be realized while preventing generation of the deterioration of a display element of an image plane part during the manufacturing process by facilitating the electrical connection between the image plane part and a driving circuit part. SOLUTION: The image plane part 12 is installed at the surface side of a substrate 11, and the driving circuit part 13 is respectively installed at the rear face side. Embedded plugs 11A, 11B to electrically connect an organic EL element 14 of the image plane part 12 and the driving circuit part 13 are formed in electrode drawing out holes 11C, 11D installed at the substrate 11. A driving current from the driving circuit part 13 is supplied to a cathode electrode 16 and an anode electrode 18 of the organic EL element 14 via the embedded plugs 11A, 11B, thereby an organic EL layer emits light.
Patent JP-2002210327-A (JP)
Title: Exhaust gas treatment method and exhaust gas treatment apparatus
Inventor: AKAMA TAKEHIRO
IPC: F23G7/06
Filed: 2001-01-16
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust gas treatment method and an exhaust gas treatment apparatus capable of detoxicating and removing particulate-type polluting substances such as unburned carbon by combustion and decreasing the concentration of the gaseous polluting substances such as nitrogen oxide in the exhaust gas. SOLUTION: The exhaust gas treatment method comprises steps of supplying an exhaust gas into a hollow member, generating plasma in the exhaust gas by a plasma generation means 5 installed in the hollow member, and heating the plasma-treated exhaust gas by a resistance heating means 6 installed in the downstream side of the plasma generation means 5 and the exhaust gas treatment apparatus is used for the treatment.
Patent JP-2002217706-A (JP)
Title: Semiconductor device
Inventor: HATADA HIROSHI
IPC: G11C11/413
Filed: 2001-01-16
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device that eliminates the occurrence of an erroneous comparison result just after power-down control in programmable impedance control circuit so as to attain the power-down control by a stop clock. SOLUTION: In the semiconductor device that has a connection terminal to which an external resistor is connected, an output buffer having transistor(TR) group for external drive where TRs with different widths are connected in parallel, an output impedance control means that automatically adjusts the impedance of the output buffer depending on the resistance of the external resistor, and a power-down function, the output impedance control means has a dummy buffer similarly configured to the output buffer and a comparison means that compares a 1st current flowing through the connection terminal with a 2nd current flowing through the dummy buffer and controls the comparison means to be inoperative for a recovery period of the dummy buffer after the power-down function is released.
Patent JP-2002212783-A (JP)
Title: Underwater use type rare earth-base permanent magnet and method for manufacturing the same
Inventor: OSHIMA KAZUHIDE
IPC: C22C38/00
Filed: 2001-01-17
Abstract: PROBLEM TO BE SOLVED: To provide an underwater use type rare earth-base permanent magnet which exhibits excellent corrosion resistance even when used by being immersed in an oxidative electrolyte solution (etchant) having high corrosiveness, and a method for manufacturing the same. SOLUTION: The permanent magnet is constituted by forming an Ni plating film having characteristics of >=-0.1 V in natural electrode potential (to an SCE saturated calomel electrode) in an aqueous solution containing 10 ppm Cu ions and >=0 V in an aqueous solution containing 100 ppm Cu ions on the extreme surface layer of the magnet surface.
Patent JP-2002214279-A (JP)
Title: Device evaluation circuit
Inventor: WATANABE YOSHITAKA
IPC: G01R31/26
Filed: 2001-01-17
Abstract: PROBLEM TO BE SOLVED: To provide a device evaluation circuit capable of more rapidly and accurately performing measurement than before. SOLUTION: The device valuation circuit is equipped with an operational amplifier OP subjected to negative feedback connection through a detection resistor R and constituted so that a circuit voltage source Vref is connected to the non-reversal input terminal (+) of the operational amplifier OP, a device FET to be evaluated is connected to the reversal input terminal (-) of the operational amplifier OP, and measuring output is obtained by the detection current flowing from the detection resistor R to the device FET to be evaluated. The voltage of the reversal input terminal is forced so as to always coincide with the voltage of the non-reversal input terminal by the function of the virtual short of the operational amplifier OP subjected to negative feedback connection.  Accordingly, the voltage applied to the device to be evaluated connected to the reversal input terminal is kept so as to always coincide with the voltage of the circuit voltage source connected to the non-reversal input terminal. As a result, the change (ΔId) of the detection current (Id) flowing to the device to be evaluated from the detection resistor can be faithfully grasped, and rapid and accurate measurement becomes possible.
Patent JP-2002209989-A (JP)
Title: Deodorizing sheet
Inventor: IMAI MITSUGI
IPC: A61L9/00
Filed: 2001-01-19
Abstract: PROBLEM TO BE SOLVED: To provide a deodorizing sheet exhibiting superior deodorizing effects efficiently removing various type of odor components for a long time. SOLUTION: This deodorizing sheet is formed of including andosol and the deodorizing sheet is formed of including titanium oxide.
Patent JP-2002213268-A (JP)
Title: Vehicular engine automatic stop/start control device
Inventor: KOBAYASHI MAKOTO
IPC: F02D17/00
Filed: 2001-01-19
Abstract: PROBLEM TO BE SOLVED: To provide a vehicular engine automatic stop/start control device capable of automatically stop/start controlling an engine while keeping the pressure in a fuel tank negative. SOLUTION: This engine automatic stop/start control device is provided with the fuel tank 19, a canister 33 for adsorbing evaporated fuel generated in the fuel tank 19 and for purging the evaporated fuel into an intake system of the engine E, a tank pressure control valve 30 of a pressure control means for controlling the pressure in the fuel tank 19 to be at a predetermined pressure lower than the atmospheric pressure at least during the operation of the engine E, an evaporated fuel passage 20, and an engine ECU 1 for stopping the starting the engine E according to the operating state of the vehicle. The engine ECU 1 determines to prohibit the stop of the engine when the pressure in the fuel tank is higher than the predetermined pressure.
Patent JP-2002215516-A (JP)
Title: Information terminal, downloading control method, and computer program
Inventor: ABE MAKOTO
IPC: G10L19/00
Filed: 2001-01-22
Abstract: PROBLEM TO BE SOLVED: To actualize efficient data transfer when part of data are sequentially requested from a server for the streaming reproduction of downloaded data. SOLUTION: To download the data from the data distributing server, the server is requested to transfer partial data of maximum size small enough not to cause a buffer memory data to overflow with data and the transferred data are stored in the buffer. The data begins to be reproduced when a specific amount of data are stored. Then the maximum size of partial data to be requested from the server without causing the buffer memory to overflow with data is sequentially calculated for the remaining data according to the amount of unreproduced data in the buffer memory. When the remaining amount of data in the buffer decreases below a predetermined threshold, the transfer of partial data of the maximum size is requested. The above data transfer is repeatedly requested simultaneously with the reproduction until all the data are transferred.
Patent JP-2002221037-A (JP)
Title: Cylinder injection type gas fuel internal combustion engine
Inventor: YASUDA AKIO
IPC: F02B31/00
Filed: 2001-01-22
Abstract: PROBLEM TO BE SOLVED: To provide a cylinder injection type gas fuel internal combustion engine capable of maintaining a stable combustion condition even if injection pressure varies. SOLUTION: In an internal combustion engine directly injecting gas fuel in cylinders, a means 78 detecting pressure of gas fuel to be injected, and a means controlling opening of swirl control valve 38 according to a detected pressure are provided. A means controlling opening of EGR valve 68 according to the detected pressure is provided. Moreover, a means controlling ignition timing according to the detected pressure is provided.
Patent JP-2002221914-A (JP)
Title: Plasma display apparatus
Inventor: KOJIMA KAZUNOBU
IPC: G09F9/00
Filed: 2001-01-24
Abstract: PROBLEM TO BE SOLVED: To easily separate and disassemble a panel main body and a chassis member in a plasma display apparatus. SOLUTION: The plasma display apparatus has a panel main body 14 in which a pair of substrates at least front surface side of which is transparent are oppositely arranged while forming two or more electric discharge cells between the substrates. a metallic chassis member 18 arranged so that nearly whole area may be abutted on the back surface side substrate of the panel main body 14, a fixing member 21 for holding the panel main body 14 into the chassis member 18 in the state the panel main body 14 is abutted on the member 18. The fixing member is constituted by arranging locking pieces 21b which pass through the outer peripheral part of the panel body 14, are extended to the front side substrate of the panel main body 14, and lock at the outer peripheral part of the front side base board at a fixing piece 21a detachably fixed to the member 18.
Patent JP-2002218925-A (JP)
Title: Method for treating surface of hulled rice or the like
Inventor: ISOTANI KEIICHI
IPC: A23L7/10
Filed: 2001-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a method for treating the surface of hulled rice or the like, by which a protecting layer having strong abrasion resistance and oxidation resistance is formed on the surface of the polished rice or grain in a micron- order thickness and simultaneously integrated with particulate starch adhered to the surface. SOLUTION: This method for treating the surface of the hulled rice or the like is characterized by applying high humidity hot air to the grain to heat the surface portion, thus gelatinizing starch in the portion, followed by cooling the gelatinized starch to form the dense layer of the gelatinized starch.
Patent JP-2002222622-A (JP)
Title: Pressure vessel for gas-insulated switch gear
Inventor: GOTO KEIJI
IPC: H02B13/02
Filed: 2001-01-26
Abstract: PROBLEM TO BE SOLVED: To provide a pressure vessel for a gas-insulated switch gear, for which there is no need for working of screw holes, workability is superior, material cost can be saved, which is light-weight, and in which the reliability for airtightness is high. SOLUTION: This vessel has a structure with plural stud bolts 3 being fixed by a welding part 8 at the outer face side of a flange 2 of the pressure vessel main body 1 having the flange 2, and through-holes 9 which are to be mutually fitted with these plural stud bolts 3 are formed, and that cap bodies 5 having connecting parts 5a to face the outer face of the flange 2 are pressed between the outer faces of the flange 2 and the connecting parts 5a via packings 4 to the outer face of the flange 2 with nuts 6 and washers 7 screwed with the stud bolts 3.
Patent JP-2002223003-A (JP)
Title: Package molding, its manufacturing method and light emitting device
Inventor: ARAI IKUYA
IPC: H01L23/28
Filed: 2001-01-26
Abstract: PROBLEM TO BE SOLVED: To provide a package molding and its manufacturing method which can improve manufacturing yield, and a light emitting device using the package. SOLUTION: This package molding is provided with a recessed part 14 for accommodating a light emitting element chip and a positive and a negative lead electrodes 21, 22. On a bottom surface of the recessed part, one main surface 21f1 of the positive lead electrode and one main surface 22f1 of the negative lead electrode are exposed, and one end surface 21ef of the positive lead electrode and one end surface 22ef of the negative lead electrode are arranged facing each other at a prescribed interval. The positive lead electrode and the negative lead electrode are molded in an integral molding in such a manner that a part between the one end surface of the positive lead electrode and the one end surface of the negative lead electrode is filled with mold resin 10.  The respective electrodes so protrude that angles of end portions where the one main surface intersects the one end surface becomes acute.
Patent JP-2002230817-A (JP)
Title: Information recording and reproducing device
Inventor: OGURA KAZUYUKI
IPC: G11B7/135
Filed: 2001-01-29
Abstract: PROBLEM TO BE SOLVED: To improve the stability and the reliability of reproduced information in reproducing of information in an information recording and reproducing device. SOLUTION: A light shielding member 38 is arrange in the optical path of a light beam reflected on a recording medium 8, between a solid immersion mirror 1 and an optical detector 37, the luminous flux of the reflected light is transformed into a ring-belt shaped light. Namely, the device is so composed that the ring-belt shaped light L21 is detected in the optical detection process and when the light beam for reproducing information is entered to the solid immersion mirror 1, the light beam is made incident in such a state as a light beam L1 including the ring-belt region which is nearly the same as the ring-belt region used in the optical detection process, or a region inside the ring-belt region.
Patent JP-2002224794-A (JP)
Title: Casting method
Inventor: TSUJII KAZUO
IPC: B22C9/10
Filed: 2001-01-29
Abstract: PROBLEM TO BE SOLVED: To provide a casting method which does not need nay model, any excessive work such as reversal and extraction, and any calculation of errors including the draft angle at the designing stage, and wherein any operator can perform any work easily. SOLUTION: A solidification agent is added to and is mixed with one of sand, sand-like particles and sphered granules, or the mixture of two optionally selected of them or the mixture of all of them. After hardening the mixture is shaped into a mold by sinking. The mold is covered with a cope having a sprue from which molten metal is poured. A core is formed by adding and mixing the solidification agent into one of sand, sand-like particles and sphered granules or the mixture of two optionally selected of them or the mixture of all of them and by shaping the mixture after hardening. Then the core is set in the mold. Tools are used for the shaping, and for forming a gradient and a back draft.
Patent JP-2002231736-A (JP)
Title: Method for forming antenna mounting ic chip
Inventor: MARUYAMA TORU
IPC: B42D15/10
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a method for forming an antenna on which an IC chip is mounted surely not be shifted from a specified mounting position without requiring any expensive hot press unit. SOLUTION: After an IC chip is bonded between a pair of terminal parts of an antenna formed on a basic material by an electron beam curing conductive adhesive through or not through an insulation layer and then disposed at a specified mounting position, it is irradiated with an electron beam to cure the conductive adhesive thus forming an antenna mounting an IC chip. In such a method for forming an antenna, an electron beam curing conductive adhesive containing conductive powder and an electron beam curing component containing an electron beam curing compound and exhibiting tackiness is employed.
Patent JP-2002224675-A (JP)
Title: Disinfection apparatus for water supply
Inventor: MIKATA KENZO
IPC: C02F1/50
Filed: 2001-02-01
Abstract: PROBLEM TO BE SOLVED: To provide a disinfection apparatus with which disinfection is satisfactorily performed even when the quantity of water supply changes. SOLUTION: In the disinfection apparatus which disinfect feed water by injecting a chemical produced by the electrolysis of a salt solution in the feed water including water pumped up from an electric well pump or the like, a bypass flow passage is provided in a supply channel where the feed water flows, and a chemical producing means which produces the chemical for disinfection is provided in the bypass flow passage. The chemical producing means is provided with a salt storage part which stores the salt solution, and a salt solution electrolysis part which electrolyzes the salt solution which flows out of the salt storage part to produce the chemical, and controls the amount of chemical production of the salt solution electrolysis part according to an amount of feed water so that chemical concentration in the feed water is maintained at a prescribed value.
Patent JP-2002230236-A (JP)
Title: Consumption duty lottery system
Inventor: HIRAOKA TATSUTO
IPC: G06Q50/10
Filed: 2001-02-01
Abstract: PROBLEM TO BE SOLVED: To prompt not only the payment of consumption duty but also the correct declaration for various taxes based on business income by making the actual state of trade of undertaker or enterprisers surely graspable. SOLUTION: A trading computer 1 for inputting that an undertaker makes a trade and a managing computer 2 communicable with the trading computer and controlling the trade data in a controlled area are prepared. The former calculates the consumption duty when a trade price is inputted and instructs to issue a receipt 4 bearing a trade code comprising an undertaker code indicating the undertaker and the specific trade code of the undertaker in a specified period and a collation code. The latter receives and stores the trade data transmitted from the former, and stores the trade data of the undertakers in a specified period. One or a plurality of trade codes randomly sampled from the stored data of all undertakers can be outputted for presentation with the collation codes concealed and, when the collation codes are confirmed, a reward is given to the undertakers and consumers.
Patent JP-2002223629-A (JP)
Title: Structure of grain tank in combine harvester
Inventor: ODA MASAAKI
IPC: A01F12/60
Filed: 2001-02-05
Abstract: PROBLEM TO BE SOLVED: To provide a structure of a grain tank, making it possible to directly watch a sorting state through a sight glass positioned on the outside surface of the grain tank, by arranging a device for collecting sample grains inside the grain tank so that the sorting state can be directly watched arbitrarily while threshing operation is continuously conducted. SOLUTION: In this structure of the grain tank, a receiving box (2) which is horizontally positioned inside the grain tank (1) and a discharge pathway of a grain elevator (3) are together joined at their upper parts so that the sample grains are collected by opening and closing operation of a shatter (10), and further the sight glass (5) for directly watching the packed grains is positioned on the outside surface of the grain tank (1) so that the sorting state during the operation can be judged from a very close point.