baber/WOPTO huggingface dataset:
Patent JP-2002367267-A (JP)
Title: Cap opening/closing device
Inventor: HACHITANI TSUYOSHI
IPC: G11B33/02
Filed: 2001-06-07
Abstract: PROBLEM TO BE SOLVED: To provide a cap opening/closing mechanism with which the action to open a cap and the action to discharge a recording medium can be smoothly carried out. SOLUTION: This mechanism has a main body, the cap which is freely openably and closably supported at this main body and a link lever which connects the main body and the cap. The mechanism is constituted by providing the link lever with damper means which acts when the cap opens and closes. Also, the mechanism has an ejector lever for discharging the member to be held which is held at the cap. This ejector lever operates cooperatively with the damper lever when the cap opens.
Patent JP-2002369590-A (JP)
Title: Control apparatus and control method of vehicle internal combustion engine
Inventor: SUMIMOTO KATSUYUKI
IPC: F02D29/00
Filed: 2001-06-07
Abstract: PROBLEM TO BE SOLVED: To obtain a control apparatus of a vehicle internal combustion engine which can protect an electronic apparatus from breakage, when a generator is failed by an overvoltage and can keep the continuous traveling of a vehicle. SOLUTION: When an overvoltage failure of a vehicle generator 3 is detected from a voltage generated by the vehicle generator 3 and a voltage of a battery 4, a maximum revolution limiting device 13, which is used for avoiding the overrevolution of an internal combustion engine, is controlled to suppress the revolution; and further, electrical loads, such as a headlight 5, a heater wire 6, etc., which consume relatively large current and whose connections will not cause hazards for a traveling vehicle, are connected to suppress an overvoltage. By controlling the increase/decrease of the connected electrical loads according to the magnitude of the overvoltage, the vehicle can keep on traveling, even if the overvoltage failure occurs.
Patent JP-2002369382-A (JP)
Title: Power consumption reducing system
Inventor: TSUBOTA KAZUHIRO
IPC: G06Q50/06
Filed: 2001-06-11
Abstract: PROBLEM TO BE SOLVED: To provide a system that reduces the power consumption of electric appliances at home and in a business enterprise. SOLUTION: A power consumption reducing information providing server 9, which is owned by a business enterprise 3 who owns know-how of reducing the power consumption and which can be operated by a solar cell 4, and a gateway 8, which is connected to an inside-house network 5 to which a television 6 is connected, are connected via the Internet 2. Power consumption is reduced without impairing amenity by controlling the operation of the television 6 through the Internet 2, the gateway 8, and the inside-house network 5 in conformity with the power consumption cutting know-how that the company 3 owns.
Patent JP-2002374667-A (JP)
Title: Insulated drive circuit
Inventor: HAYASHIZAKI MINORU
IPC: H02M1/08
Filed: 2001-06-13
Abstract: PROBLEM TO BE SOLVED: To provide an insulated drive circuit, capable of driving an element such as an insulated power switching semiconductor element at a low loss. SOLUTION: The insulated drive circuit waveform shapes a voltage transferred via the output terminal of an insulation transformer and outputs the voltage as a drive voltage of the element. The drive circuit comprises at least two threshold voltage generating means (threshold setting circuits 50, 52) for generating preset threshold voltages, a detecting means for detecting that the transfer voltage has lowered from the threshold voltage at the times of voltage rise of the transfer voltage and voltage drop of the transfer voltage, a first switching means for short-circuiting the output terminals of the transformer, in response to the detection, a means for detecting that the transfer voltage exceeds the threshold, and a means for opening the first switching means for short-circuiting the output terminals of the transformer, in response to the detection.
Patent JP-2002370083-A (JP)
Title: Method for measuring noxious gas in soil cleaning method
Inventor: OYA TSUTOMU
IPC: E21B7/20
Filed: 2001-06-13
Abstract: PROBLEM TO BE SOLVED: To continuously advance excavation work to enhance safety by automatically detecting the concentration of combustible gas or oxygen in a real time and to effectively lower the concentration of the combustible gas or oxygen by sending inert gas into a restricted area while reducing the concentration of gas to suppress the diffusion of an offensive smell. SOLUTION: A casing 3 is vertically inserted into the ground by a full revolving jacking excavator 2 equipped with a rotary drive mechanism for chucking the outer periphery of the casing 3 and a drilling bucket 4 or the like is allowed to fall into the casing 3 from the upper end thereof in a suspended state as an excavation means to excavate the ground while discharging soil. In this case, the sensor part 22a of a gas detector 22 is provided to the drilling bucket 4 and the inert gas is drawn into the casing 3 while monitoring the concentration of combustible gas or oxygen by the gas detector 22.
Patent JP-2002372173-A (JP)
Title: Wall-through piping tool
Inventor: YOSHIDA SHIGERU
IPC: F16L5/00
Filed: 2001-06-14
Abstract: PROBLEM TO BE SOLVED: To provide a wall-through piping tool for realizing the inexpensive secure execution with good appearance in a short time by facilitating the process management and eliminating the hole plugging construction with mortar. SOLUTION: This wall-through piping tool to be used for electrical wiring or water-service piping through a wall W is provided with a flange 10 provided along a wall surface and formed of a plate-material having a diameter larger than an wall-through hole H and provided with a packing 8 in an abutment surface thereof on the wall, several pipe bodies 2 and 3 held by the flange and passed through the wall-through hole, a bolt member 9 arranged along the wall-through hole and held by the flange at one end thereof and formed into a screw rod 9b at the other end thereof, a rectangular pipe 11 held by the screw rod of the bolt member passing through it, and a nut 12 capable of pushing the rectangular pipe to the wall surface.
Patent JP-2002371822-A (JP)
Title: Intake device for internal combustion engine
Inventor: OBA YASUMI
IPC: F01M13/00
Filed: 2001-06-18
Abstract: PROBLEM TO BE SOLVED: To provide an intake device for an internal combustion engine capable of suppressing adhering of oil mist to an adsorbent filter with a simple structure and maintaining the adsorbing capability high. SOLUTION: At the inside of an air cleaner 11 provided in mid-way of an intake passage, an air filter element 15 and the adsorbent filter 16 provided to cover the intake passage at the downstream and adsorbing evaporation fuel generated in the internal combustion engine 20 are disposed. In mid-way of the intake passage, a new air introduction passage 51 for communicating an upstream side of the throttle valve 40 with a cylinder head cover 23 of the internal combustion engine 20 and a blowby gas recirculation passage 52 for communicating a downstream side of the throttle valve 40 with the cylinder cover 23 are connected.  An oil mist collecting filter 17 which has ventilation and is made of unwoven fabric, for instance, is provided attachably/detachably to/from the intake passage between a connecting part 54 with the new air introduction passage 51 in the intake passage and the adsorbent filter 16.
Patent JP-2003001269-A (JP)
Title: Equipment for treatment of waste water containing gallium
Inventor: MATSUMOTO AKIRA
IPC: C01G15/00
Filed: 2001-06-19
Abstract: PROBLEM TO BE SOLVED: To provide equipment for the treatment of waste water containing gallium which treats waste water containing gallium discharged from manufacturing factories of compound semiconductor wafers, manufacturing factories of devices or the like and with which gallium being a rate and valuable metal can be efficiently collected and, coexistent arsenic can be removed without producing aggregated sludge containing iron. SOLUTION: The equipment for the treatment of waste water containing gallium is equipped with a hydroxide producing means to convert gallium in the waste water containing gallium into hydroxides, a solid liquid separating means where the water containing hydroxides is sent from the hydroxide producing means and separated into hydroxides and the treated water, and a membrane separating means where the treated water from the solid liquid separating means is introduced and separated into concentrated water and permeated water.
Patent JP-2003008173-A (JP)
Title: Back-up sheet for forming through hole by using carbon dioxide laser
Inventor: IKEGUCHI NOBUYUKI
IPC: B23K26/382
Filed: 2001-06-21
Abstract: PROBLEM TO BE SOLVED: To provide a back-up sheet for forming a small-diameter through hole of superior shape by radiating carbon dioxide laser beam directly onto a copper-clad board. SOLUTION: A layer with low thermal conductivity as a back-up sheet is bonded to a lower copper foil of a copper-clad thermoplastic resin board having at least two copper layers, and the carbon dioxide laser with one kind of energy selected from pulse energy 5 to 60 mJ is directly radiated onto the copper foil to form a through hole. In the case of thick copper foil, part of copper foil in the thickness direction is etched to make the copper foil thin and at the same time the copper foil burrs at the hole are removed by melting to use as a printed circuit board. In this way, the back-up sheet capable of drilling the through hole with superior shape and reliability can be obtained to fabricate a high-density printed circuit board having a fine circuit with a small diameter.
Patent JP-2002345997-A (JP)
Title: Wrist/ankle attaching swimming aid
Inventor: SAKURAI TSUTOMU
IPC: A63B31/10
Filed: 2001-05-22
Abstract: PROBLEM TO BE SOLVED: To integrally form a swimming aid to be attached around the ankle with a web. SOLUTION: This swimming aid is composed of a cylindrical fastener part 20 for the ankle, a fan-shaped web 30 extended from the lower end of the fastener part 20 being opened downward and a plurality of ribs 40 radially provided at almost equal intervals on the outside surface of the fan-shaped web 30 so that a top end 42 can be protruded a little from an opening end 31 of the web while fixing a base end 41 on the lower part of the outer periphery of the fastener part 20 and the fastener part 20, the web 30 and a plurality of ribs 40 are integrally formed of rubber, synthetic rubber or plastic materials.
Patent JP-2003015033-A (JP)
Title: Projection optical system
Inventor: KUWA TOMIYOSHI
IPC: G02B17/08
Filed: 2001-06-28
Abstract: PROBLEM TO BE SOLVED: To provide a lightweight, small and high-performance projection optical system which have a wide angle of view and can acquire a high-definition projection image. SOLUTION: The projection optical system for rear projection to magnify and project a display image on a screen (SC) by using video light emitted almost in telecentric from a light valve (PA), is provided with a front group of negative power having aspherical surface (GrF), a prism (PR) to fold a light path on a reflection plane and a rear group (GrR) of positive power having an aspherical surface in order from the magnification conjugate side. A first lens and a second lens (G1) have negative power, and the rear group (GrR) has a lens of positive power consisting of an anomalous dispersion material. The center of the light valve (PA) is not positioned on the optical axis of the rear group (GrR), and the prism (PT) is disposed between the rear group and the light valve (PA).  Furthermore, a conditional expression: 48<ω<60, 3<D1/f<7, Vd>75, 0.52<(Ng-Nf)/(Nf-Nc)<0.56 is satisfied, wherein ωis the maximum viewing angle ( deg.), D1 is a halfway air length, f is the focal distance of the whole system, Vd is the Abbe's number of the anomalous dispersion material and Ng, Nf, and Nc are refractive indexes to g line, f line and c line of the anomalous dispersion material.
Patent JP-2003012010-A (JP)
Title: Test tube cap with filter
Inventor: ISHIBASHI SEISHI
IPC: B65D51/16
Filed: 2001-06-29
Abstract: PROBLEM TO BE SOLVED: To provide a test tube cap with a filter wherein the cap can be simply removed with an operation of a single hand and a gas is discharged to prevent the cap from coming off due to an increase in pressure when a content liquid or the like expands. SOLUTION: The cap 1 to be fitted over and removed from an opening 2a of a test tube 2 has a small hole 3 through a top face 1d. A filter 4 which allows a gas to pass but prevents a liquid from passing is provided on the small hole 3.
Patent JP-2003016734-A (JP)
Title: Information recording and reproducing device, signal decoding circuit and recording structure of information recording medium and recording method
Inventor: SUGAWARA TAKAO
IPC: G11B7/00
Filed: 2001-06-29
Abstract: PROBLEM TO BE SOLVED: To improve decoding performance without using an RLL coding by conducting a stable clock extraction with respect to the deterioration of the SN ratio of signals and by making amplitude correction. SOLUTION: During a data recording, a data recording section inserts a revise byte 50 that is a beforehand determined specific code string, into equal to or more than two places including the leading and the last section of data and records the byte 50 on a medium. During a data reproducing, a data reproducing section 48 obtains discrete head reproducing signals using a clock and conducts clock extracting and amplitude correction using the signals corresponding to the byte 50 that is the specific code string. In principle, the RLL coding for clock extraction and gain following are eliminated and a revise byte consisting of the specific coding string is inserted into the data in place of the RLL coding and recorded on the medium.
Patent JP-2003017017-A (JP)
Title: Battery pack
Inventor: NAEMURA TAKASHI
IPC: H01M2/10
Filed: 2001-06-29
Abstract: PROBLEM TO BE SOLVED: To conveniently use a terminal by enabling automatic movement of the leg to a storage position when closing the panel of the terminal, and to reduce the depth of the terminal by eliminating backward projection of the leg when moving the leg to the storage position. SOLUTION: This battery pack is installed to a terminal 1 with an openable and closable panel 2. The battery pack has a body case 4 storing batteries, the leg 5 imparting a tilt angle when operating the terminal body 1, turning arms 6 turnably connecting the leg 5 to the body case 4 and changing over a position of the leg 5 between the stashed position and an erected position, and elastic return springs 7 moving the leg 5 to the stashed position when closing the panel 2 of the terminal 1. In the battery pack, when closing the panel 2 of the terminal, the springs 7 elastically move the leg 5 to position the leg 5 in the stashed position.
Patent JP-2003012961-A (JP)
Title: Colorant comprising pseudo-unidimensional crystalline organic phthalocyanine pigment and recording liquid containing the same
Inventor: KIKAWA KEIICHI
IPC: C09D11/00
Filed: 2001-06-29
Abstract: PROBLEM TO BE SOLVED: To provide an aqueous recording liquid which contains a pseudo- unidimensional organic phthalocyanine pigment, does not cause blur or offset, is excellent in resistances to water, light, and rubbing, and enables high-color- density high-quality (high-definition high-chroma) recording. SOLUTION: This recording liquid contains, as the colorant, a pseudo- unidimensional organic phthalocyanine pigment of which a diffraction ray exhibiting the maximum strength is the main peak in the X-ray diffraction spectrum.
Patent JP-2003011420-A (JP)
Title: Multi-beam image forming apparatus
Inventor: WATANABE TAKAO
IPC: H04N1/036
Filed: 2001-07-04
Abstract: PROBLEM TO BE SOLVED: To provide a multi-beam image forming apparatus wherein a designing of a polygon mirror can be facilitated, controlling of a scanning optical system is simplified, and a standby time period at a time when switching between normal rotation speed and a changed speed is executed (in a transition state) can be reduced. SOLUTION: There is disclosed a multi-beam image forming apparatus wherein a rotary polygon mirror 181 allows a photosensitive drum to be scanned with laser beams generated by a plurality of laser beam generators (a first LD 251, a second LD 252) and images corresponding to kinds of recording media can be formed. The rotation speed of the rotary polygon mirror 181 is made constant and some one of the laser beam generators is selected to be activated.
Patent JP-2003014189-A (JP)
Title: Method for peeling pipe inside deposit in boiler
Inventor: ISHIBASHI SHINICHIRO
IPC: B08B7/00
Filed: 2001-07-04
Abstract: PROBLEM TO BE SOLVED: To facilitate maintenance and inspection, and to reduce costs, by dispensing with cleaning on the inside of a pipe and also to dispense with cleaning of a water service pipe, if this method is applied thereto. SOLUTION: The front end faces of iron pieces 4 and 4 facing each other are brought into contact with the pipe P, and an electromagnetic coils are installed to the pipes. Therefore, a magnetic field induced from the electromagnetic coil forms N and S magnetic polar pieces on the left and right sides, and minute electric current is let flow through the pipe P from the electromagnetic coil. In this way, the magnetic field is generated inside the pipe by means of the magnetic poles N and S, and by the magnetic field, magnetic lines of force with a magnetic flux density B are generated. When a water solution with a flow speed V passes the magnetic lines of force, an electric current i flows along the pipe wall according to the Faraday's law of induction.  Therefore, electrolysis is caused by the current i between the pipe wall and the deposit and induces multiplier effect with a pipe inside deposit decomposing action, and consequently, the deposit is peeled off gradually.
Patent JP-2003023365-A (JP)
Title: Communication system and communication equipment with characteristic inspecting function
Inventor: ICHII AKIRA
IPC: H04B1/40
Filed: 2001-07-05
Abstract: PROBLEM TO BE SOLVED: To provide a communication system suitable for mass-production at low cost by correcting the characteristic fluctuation of an analog signal processing part. SOLUTION: An RF module part 100 has a second received signal processing circuit 40, a second transmitting signal processing circuit 50, a reference signal generating circuit 60 and an input path switching circuit 70 and when a first control signal is inputted, switching to a first input path is performed by the input path switching circuit 70 but when a second control signal is inputted, switching to a second input path is performed by the input path switching circuit 70.  A baseband part 200 outputs the first control signal to the RF module part 100, inputs a processed received signal provided through the first input path, estimates the characteristics of the second received signal processing circuit 40 on the basis of the inputted processed received signal, outputs the second control signal to the RF module part 100, inputs a processed received signal provided through the second input path and corrects the inputted processed received signal on the basis of the estimated result of the characteristics.
Patent JP-2003023615-A (JP)
Title: Interactive television system and interactive television receiver
Inventor: TANAKA HIDEKI
IPC: H04N7/173
Filed: 2001-07-09
Abstract: PROBLEM TO BE SOLVED: To provide an interactive television system that can relieve or eliminate a telephone charge on a viewer even when a telephone line is used for a communication path from the viewer to a broadcast station in the interactive television system. SOLUTION: In the interactive television system configured such that a broadcasting station 10 transmits a broadcast signal to a television receiver 20 for broadcasting and the viewer side television receiver 20 can transmit reply data associated with the television broadcast to the broadcasting station 10 through data communication via a telephone network 30, when the telephone line is connected from the television receiver 20 to the broadcasting station 10, a server computer 40 transmits advertisement information to the television receiver 20 via the telephone line and the television receiver 20A can output the advertisement information.
Patent JP-2003019187-A (JP)
Title: Method for reducing endotoxin activity
Inventor: WAKASA AKIRA
IPC: A61L2/18
Filed: 2001-07-10
Abstract: PROBLEM TO BE SOLVED: To easily reduce the endotoxin activity of a subject to be treated, while checking a condition under which it is reduced. SOLUTION: This method for reducing exdotoxin activity comprises a process of treating the subject to be treated for a prescribed time by use of an alkali aqueous solution set at least at 85 deg.C with at at least 0.01 normality. The prescribed time is set at at least the time specified by formula (1). In formula (1), t represents heat treatment time (min) and T represents the absolute temperature (K) of the heat treatment.
Patent JP-2003023853-A (JP)
Title: Colored root-taking material for gardening, and coloring method therefor
Inventor: SHIRAI HIROSHI
IPC: B27K5/02
Filed: 2001-07-11
Abstract: PROBLEM TO BE SOLVED: To provide a colored root-taking material for gardening, capable of being given various colors in a stable condition according to a user's taste, having water/moisture retention required for the growth of trees, and also enabling a user to plant trees in a planting pot so as to be in a stable condition, and to provide a coloring method for the material. SOLUTION: This colored root-taking material for gardening is obtained by the following process: compressing raw wood so as to be divided into pieces to obtain highly compressed timbers having a white-base color tone thereon, and coloring the thus obtained highly compressed timber using a colorant in the process of swelling the compressed timbers with water.
Patent JP-2002105001-A (JP)
Title: Method for isomerizing paraffin and heteropoly-acid supported on inert carrier as isomerization catalyst
Inventor: MASLOBOISHCHIKOVA OLGA V
IPC: C07C9/16
Filed: 2001-07-12
Abstract: PROBLEM TO BE SOLVED: To provide a method for isomerizing paraffin, capable of isomerizing a 4-24C paraffinic hydrocarbon by using a heteropoly-acid supported on a carrier as a catalyst, and to provide the isomerization catalyst. SOLUTION: This method for converting a hydrocarbon feed material comprises contacting the feed material with the catalyst which contains the heteropoly-acid and is supported on the carrier under such a reaction condition as effective for converting the feed material, wherein the carrier is selected from an inorganic amorphous or crystalline material which makes the heteropoly-acid maintain its characteristic structure proven by vibration frequencies of about 985 cm-1 and about 1008 cm-1, has surface areas of >=15 m2/g not including such surface areas as existing in pores each having a diameter of <=15 Å, and is substantially inert.