baber/WOPTO huggingface dataset:
Patent JP-2000244708-A (JP)
Title: Light source and image reader
Inventor: KAWAGUCHI HIROSHI
IPC: G06T1/00
Filed: 1999-12-21
Abstract: PROBLEM TO BE SOLVED: To obtain uniform illumination light with respect to an object by using a point light source consisting of light emitting diodes placed at a front side focal face of a condenser lens system to emit collimated light to the object. SOLUTION: The light emitted from a light emitting diode point light source 101 in existence on an optical axis of a front side focal face 103 of a condenser lens 102 is collimated with respect to the optical axis (ray 109). Furthermore, the light emitted from the light emitting diode point light source 110 that is parted from the point light source 101 by a distance (h) in a direction orthogonal to the direction of the optical axis becomes a collimated light (ray 108) with an angle with respect to the optical axis. Distances h, Ps and a focus of the lens 102 (fs) are selected so that an area of a collimated light emitting face 107 of an object face 105, which is an area emitted by the rays 108, 109, is 1/4 of an effective aperture area of a condenser lens system or over.  Then the light emitted from the point light sources 101, 110 is collimated through the condenser lens 102 and emitted onto the object face 105.
Patent JP-2000186676-A (JP)
Title: Oil pump
Inventor: KACHI HIROYUKI
IPC: F04C2/10
Filed: 1998-12-21
Abstract: PROBLEM TO BE SOLVED: To provide an oil pump which simultaneously attains the improvement of strength of a body, downsizing, smooth flow of oil and reduction in a cost. SOLUTION: A drive gear 2 and a driven gear 4 compose an internal gear pump, and compose a suction capacity part 7 and a discharge capacity part 8 by their gear teeth. A first housing 5 is made up of a recession 9 housing the drive gear 2 and the driven gear 4, and a boss 12 having a shaft hole 11 eccentrically formed from a center of the recession 9. A second housing 6 is made up of a bearing 21 having a shaft hole 20 agreed with the shaft hole 11, and an outer peripheral part 22 extended from the bearing 21 in a flange-like manner. The second housing 6 is axially connected to the first housing 5, and blocks an outer peripheral side of the recession 9 of the first housing 5 by means of its outer peripheral part 22.  The first housing 5 is formed with a suction passage 18 having a suction port opened to the suction capacity part 7, and a discharge passage having a discharge port opened to the discharge capacity part 8. At least one of the walls of the intake passage 18 and the discharge passage is made of a pipe member 16 embedded in the first housing 5.
Patent JP-H11170708-A (JP)
Title: Thermal recording material
Inventor: MORITA MITSUNOBU
IPC: C09K9/02
Filed: 1997-12-17
Abstract: PROBLEM TO BE SOLVED: To improve oil resistance, plasticizer resistance and heat resistance by a method wherein a heat sensitive coloring layer has a leuco dye and a developer developing color in heating the leuco dye as main constituents on a substrate, and a specific compound is used as the developer. SOLUTION: A heat sensitive coloring layer has a leuco dye using a leuco compound of dyes of triphenylmethane phthalide series, triarylmethane series, fluoran series, phenothiazine series, etc., and a developer coloring the leuco dye in heating on a substrate. As the developer a kind of compounds represented by the formulas I and II is used, and, as occasion demands, a phenolic compound, a thiophenolic compound, a thiourea derivative, an organic acid and its metal salt, etc., being various kinds of other electron-acceptive compounds are jointly used. In the formula I, R represents a hydrogen atom, or a carboxylic group, and in the formula II X represents a hydrogen atom or a benzyl group.
Patent JP-H11183116-A (JP)
Title: Method and device for light wave interference measurement
Inventor: KAMIYA SABURO
IPC: G01B9/02
Filed: 1997-12-18
Abstract: PROBLEM TO BE SOLVED: To allow range-finding without interruption without zero-resetting even when the laser light on a measurement light path is blocked, and to constitute an interference optical system with ease at low cost. SOLUTION: A polarizing beam splitter 2 which slits the light of wavelength λ1 emitted from a laser light source 1 into a measurement light path and a reference light path, a reference reflection mirror 6 provided on the reference light path, a measurement reflection mirror 7 movably provided on the measurement light path, and photoelectric detector 9 for photodetecting interference light of reference and measurement light are provided. Here, the polarizing beam splitter 12 which splits the light of λ2(≠λ1) emitted from a laser light source 11 into two, an optical system 10 which deflects one of the split λ2 light toward the measurement deflection mirror 7, which becoming parallel to the measurement light path on the way of measurement light path, and a photoelectric detector 17 for photodetecting interference light between one light reflected on the measurement reflection mirror 7 and the other light are provided.
Patent JP-H11185511-A (JP)
Title: Miniaturized marker light incorporating solar battery
Inventor: HIRAMATSU TERUO
IPC: F21S9/02
Filed: 1997-12-18
Abstract: PROBLEM TO BE SOLVED: To ensure that a ship recognizes positions of a fixed shore net or a rope even at night and prevent cutting accidents of the net by comprising a solar battery for charging a charge battery which is a power source of a light emitter, providing a cylindrical light transmission body outside a drum shaped mirror face body for mounting the light emitter, and amplifying light by a plurality of lenses arranged at positions corresponding to the light emitter. SOLUTION: A body case 2 is made of transparent synthetic resin, and sun light is received by a solar battery 6 through a top plate part 4. A cylindrical part 3 projects the light emitted by a light emitter 9 to the outside through a lens 8 provided at a light transmission body 7. The light transmission body 7 inflates the side face center of a hollow cylindrical member to the outside in a concave lens, and lenses 8 are provided at a plurality of areas. A mirror face body 10 having the light transmission body 9 is provided inside of the light transmission body 7. A charge battery 11 and a circuit mechanism 12 are provided at a bottom 5.  The light from the light emitter 9 is reflected between the light transmission body 7 or a reflection membrane 8a and the mirror face body 10, the luminescence is amplified, and further, the solar battery 9 and the charge battery 11 are used, thus ensure less power consumption. Intermittent light emission is obtained by an intermittent contact circuit.
Patent JP-2000188087-A (JP)
Title: Light source image correcting method of ultra-high pressure mercury lamp and correcting filter
Inventor: SARUWATARI KIYOSHI
IPC: H05K3/00
Filed: 1998-12-22
Abstract: PROBLEM TO BE SOLVED: To suppress the generation of a reverse U-shaped light source image and convert into irradiation from a point light source by interposing a correcting filter in which a convex lens or a concave lens comprising a plurality of reverse U-shaped protrusions or recesses is formed on the glass surface between the irradiation surface of ultraviolet rays and an ultra-high pressure mercury lamp, and scattering the light source image on the irradiating surface. SOLUTION: A plurality of circular dome-shaped recesses 3 formed along a horseshoe shaped, reverse U-shaped part 5a having the same curvature as that of an ultra-high pressure mercury lamp on the surface of a glass disc 2a such as a quartz disc of a correcting filter 1a function like a micro-concave lens. A correcting filter 1b functioning as a micro-convex by forming a protrusion 4 is also used, and it is fixed to the inside of a lens holder. The ultra-high pressure mercury lamp and a pattern surface of a to-be-printed body or a to-be- exposed body are faced so that reverse U-shaped parts 5a, 5b are overlapped on the reverse U-shaped part of a tube body to overlap on the pattern surface like ultraviolet rays from many point light sources, and coming out of a light source image is avoided.
Patent JP-H11190520-A (JP)
Title: Gas oven
Inventor: YAMADA YUTAKA
IPC: A21B1/28
Filed: 1997-12-25
Abstract: PROBLEM TO BE SOLVED: To provide a gas oven in which roasting is effected principally through radiation while taking advantage of gas oven for roasting a food juicily. SOLUTION: A gas oven 10 is internally provided with a black pipe 19 in order to roast a food through radiation heat therefrom when fuel is burnt in the pipe 19. The pipe 19 is closed at the end thereof and provided with holes 23 for discharging combustion gas in the pipe 19 in the vicinity of the end thereof. According to the structure, roasting is effected principally through radiation while taking advantage of a gas oven for roasting a food juicily.
Patent JP-2001182053-A (JP)
Title: Underground aseismatic reinforcing pile and foundation aseismatic structure
Inventor: TAKEUCHI AKIHIRO
IPC: E02D5/30
Filed: 1999-12-24
Abstract: PROBLEM TO BE SOLVED: To provide an underground aseismatic reinforcing pile and foundation aseismatic structure economically constructed while further improving earthquake resistance and taking a positive measure to counter the liquefaction of the ground. SOLUTION: This underground aseismatic reinforcing pile 5 comprises a main pile 7 constructed in the ground 1 comprising the soft ground 2, the hard ground 3 and a support layer 4, with the tip part set down to the support layer 4, and an outer pipe pile 8 disposed between the hard ground 3 and the main pile 7 along the hard ground 3 and formed to be longer than the thickness of the hard ground 3.
Patent JP-H11193885-A (JP)
Title: Piping fixture
Inventor: MINAMI YOSHIHIRO
IPC: E03C1/02
Filed: 1997-12-29
Abstract: PROBLEM TO BE SOLVED: To easily fix plural pipings by arranging plural pipings on a belt body previously fixed to the floor, and then turning both ends of the belt body to the upper surface side to be fixed and wrapped round the outer periphery of the piping. SOLUTION: Drift pins 5, 5 are previously driven from above a belt body 2 to fix the belt body 2 to the floor. In such a condition, plural pipings 6, 6, 6, are constructed in such a manner as to intersect perpendicularly to each other on the upper surface of an elastic material 3, and to ensure the space between the pipings 6, 6, set pieces 7, 7 are fitted between the pipings 6, 6. Subsequently, both end sides of the belt body 2 are turned to the upper surface sides of the plural pipings 6, 6, 6, and a stop pin 2b is inserted in a stop hole 2a of the belt body 2 to fix the belt body 2 to the outer peripheries of the pipings 6, 6 in a wrapping state.  In such a fixing condition, the elastic material 3 is pressed to the respective pipings 6, 6 to eliminate a backlash of the piping 6, so that noise produced in discharging and supplying water through the piping 6 can be prevented favorably.
Patent JP-H11193922-A (JP)
Title: Igniter
Inventor: KOBAYASHI KIYOSHI
IPC: F23Q9/00
Filed: 1997-12-28
Abstract: PROBLEM TO BE SOLVED: To provide an igniter which can easily be replaced. SOLUTION: A pilot burner 5 comprises a pilot duct 13, a pilot nozzle 11 and a burner body 6. The nozzle 11 and the duct 13 are arranged 17 to be coupled by one touch. The duct 13 supplies gas to the nozzle 11 and a hole for one touch coupling is provided on the inside of the duct 13 at one end thereof. The pilot nozzle 11 has base end being inserted into the pilot nozzle 11 and the other threaded end. The burner body 6 has internally threaded base end being screwed with the other side of the pilot nozzle 11. A primary air hole 9 is made in the vicinity of the base end of the burner body 6 having forward end fixed with a flame holder 15.
Patent JP-H11192901-A (JP)
Title: Cooler for automobile electronic part
Inventor: KONO KAZUHIDE
IPC: H05K7/20
Filed: 1997-12-26
Abstract: PROBLEM TO BE SOLVED: To improve cooling performance despite of a compact body by provid ing a boss part which penetrates the outside face of a tank for a radiator for cooling engine cooling water, liquid-tightly, detachably, and threadly attaching a plug body in the boss part, and joining an automobile electronic parts in the plug body. SOLUTION: A boss part 4 is provided in such a state as penetrating the outside face of a tank 2 of a radiator for cooling engine cooling water by a means such as blazing and an internal screw 3 is formed in the internal circumference of the boss part 4. A shaft part outer circumference of a plug body 5 which is formed of a high-conductivity metal material is liquid-tightly, detachably, and threadly attached to the boss part so that the tip end of the plug body 5 is exposed to the inside of the tank 2. A power system substrate 11 and a control system substrate 12 are fixed to the inside of the plug body 5 and highly integrated automobile electronic parts 6 are fitted to the power system substrate 11 and the control system substrate 12. This constitution can efficiently cool the automobile electronic parts 6 by the engine cooling water.
Patent JP-2000194299-A (JP)
Title: Display board
Inventor: INOSE FUMIYUKI
IPC: G06K19/07
Filed: 1998-12-25
Abstract: PROBLEM TO BE SOLVED: To obtain a display board which is simple and inexpensive in order to enable electronic information management by symbolically indicating the purposes of information on recycling management, etc., on a surface, holding the information in the inside and executing the reading and writing of the information without contact. SOLUTION: The electronic display board 100 symbolically indicates the purpose of the information by characters, graphics, engraving, etc., on the surface and electronically hold the associated information within a built-in IC chip 2 so that the location and purpose of the information are elucidated and that the simple reading and writing of the information are made possible. Since the display board is usually produced by plastic molding, the application of engraving and printing on the surface is easy. The board contains the IC chip 2 allowing information exchange without contact and facilitates the communicating with outside. Circuits may be sealed into the plastic by the contactless communication and weatherability may be improved. A non-destructive memory, such as EEPROM, is used for the internal memory.  The high-frequency electric power incident from outside is subjected to current rectification and is used as a power source for the internal operation and, therefore, there is no need for including a battery in the inside.
Patent JP-2000192278-A (JP)
Title: Electrolytic bath for refining aluminum
Inventor: KONDO MITSUHIRO
IPC: C25C3/06
Filed: 1998-12-28
Abstract: PROBLEM TO BE SOLVED: To provide an electrolytic bath for refining aluminum by which the transfer of the alkali metal and alkaline-earth metal as the bath components into the refined aluminum is minimized in refining aluminum by three-layer electrolysis, and the consumption of power is reduced in electrolysis. SOLUTION: This electrolytic bath consists of 17-21 wt.% NaF, 27-31 wt.% BaF2, 1-3 wt.% LiF, <=8 wt.% CaF2 and the balance AlF3 and has >=0.90 Ω-1cm-1 conductivity at 770 deg.C. This bath is used as an electrolytic bath for refining aluminum by three-layer electrolysis.
Patent JP-2001188982-A (JP)
Title: Communication equipment
Inventor: IWAMOTO KOJI
IPC: G08C19/00
Filed: 1999-12-27
Abstract: PROBLEM TO BE SOLVED: To obtain a communication device which can accurately communicate data even if noise is mixed. SOLUTION: This communication device 300 whose transmitter 100 and receiver 110 are both supplied with in-phase electric power is equipped with the transmitter 100 having a 1st power source synchronous detection means 71 which outputs a 1st power source synchronizing signal S12 according to an electric power waveform, a transmission timing generating means 51a which outputs a 1st synchronizing signal S13 according to the 1st power source synchronizing signal S12, and a transmitting means 52a which sends a transmit signal S15 out according to the 1st synchronizing signal S13 and with the receiver 110 having a 2nd power source synchronous detection means 72 which outputs a 2nd power source synchronizing signal S16 according to the electric power waveform,  a synchronous detection means 54 which outputs a 2nd synchronizing signal S18 according to the 2nd power source synchronizing signal, and a receiving means 52b which cryptanalyzes the transmit signal S15 according to the 2nd synchronizing signal.
Patent JP-2001149124-A (JP)
Title: Accident prevention umbrella
Inventor: ISHIKAWA MICHIO
IPC: A45B25/18
Filed: 1999-11-25
Abstract: PROBLEM TO BE SOLVED: To use an umbrella disposed nearby as an accident prevention means upon fire in a building. SOLUTION: As the surface 1 of an accident prevention umbrella, a fire-proof surface or a surface made of heat resistant aromatic polyamide fibers is employed. Umbrella ribs 2 and a center rod 3 are made of iron strong for heat. A grip 4 is made of a heat resistant resin and also serves as a vessel for housing a smoke protection mask. The grip serving as the vessel has a transparent cover 5 for recognizing the presence or absence of the smoke protection mask.
Patent JP-2000190730-A (JP)
Title: Weather strip for biparting door
Inventor: ORIMOTO YOJI
IPC: B60J5/08
Filed: 1998-12-24
Abstract: PROBLEM TO BE SOLVED: To provide a weather strip for biparting door preventing water from penetrating into a drain hole provided at a hollow seal part in a molded part at the bottom of the weather strip for biparting door. SOLUTION: Wheather strips with a hollow seal part are attached to opposing vertical edges of left and right doors of biparting doors of an automobile. Molded parts are provided at the top and the bottom of the weather strips. A die molded part 1 at the bottom is provided with a hollow seal 2 in tapered shape. The follow seal 2 has a tapered hollow 3 inside. The bottom end 3a of the tapered hollow 3 is formed close to an end 2a of the follow seal 2. A drain hole 4 is provided at the bottom end 3a. A drain passage 5 is connected to the drain hole 4. The outlet 5a of the drain passage 5 is placed at a position for avoiding receiving direct hit of high pressure water W from the down side of an automobile.
Patent JP-2000200596-A (JP)
Title: Nonaqueous electrolyte battery
Inventor: KITANO SHINYA
IPC: H01M2/30
Filed: 1998-12-28
Abstract: PROBLEM TO BE SOLVED: To facilitate the manufacture while preventing the corrosion of solder by fitting a ceramic material in an open hole of a metal case member, and sealing it for fixation, and soldering the ceramic material with a negative electrode terminal with the phosphorus copper solder for sealing and fixation, or using the negative electrode terminal made of copper or the copper alloy. SOLUTION: A positive electrode terminal and a negative electrode terminal 2 are respectively fixed to outer annular metal members 5, 5 inserted into an open hole of a metal lid part 6 of a battery case through ceramic materials 3, 3 by sealing while being insulated. The negative electrode terminal is formed of a pin of copper or the copper alloy. The negative electrode terminal 2 is inserted into an open hole of the outer annular metal member 5 through the ring-like ceramic material 3. Insulation and sealing for fixation are performed by soldering between the negative electrode terminal 2 and the ceramic material 3 and between the ceramic material 3 and the open hole. At this stage, phosphorus copper solder is used as solder 4, 4 at least between the negative electrode terminal 2 and the ceramic material 3.  The positive electrode terminal is formed of a pin of aluminum or the aluminum alloy.
Patent JP-2000199415-A (JP)
Title: Engine with supercharger
Inventor: MATSUBA TAKATOSHI
IPC: F01P3/12
Filed: 1998-12-29
Abstract: PROBLEM TO BE SOLVED: To allow oil at a high temperature to be cooled by coolant that flows through the second coolant path by forming part of oil drain path and second coolant path with metal pipes and, at the same time, bringing these metal pipe portions together into a tight contact with each other to form an integral section. SOLUTION: Oil is supplied from an engine 2 to a supercharger 36 through an oil supply pipe 50. It is returned to an oil pan by way of an oil drain path 44, that is, a first and a second oil drain hoses 54, 56, and a metal oil drain pipe 58. Coolant is supplied, from the engine 2 to the supercharger 36 through a coolant hose 66 of a first coolant path 46. The coolant is then sent to a water pump through a second coolant path 48, that is, a first and a second coolant hoses 68, 70, and a metal coolant pipe 72. The metal oil drain pipe 58 and the metal coolant pipe 72 are brought together into a tight contact with each other to form an integral section by brazing, which allows the oil to be cooled by the coolant.
Patent JP-H04215398-A (JP)
Title: Speaker
Inventor: TANAKA SHOJI
IPC: H04R1/02
Filed: 1990-12-13
Abstract: PURPOSE:To suppress the occurrence of an unrequired resonance tone from a cabinet and that from the frame of a speaker unit. CONSTITUTION:The outside diameter of the yoke 1c of the speaker unit 4 is formed larger than that of a magnet 1b. The speaker unit 4 is mounted on the cabinet 8 by sandwiching cushioning materials 6a between the yoke 1c and a mounting member 8a, and between the yoke 1c and a mounting means 5. Furthermore, the front of the frame 3 is covered with a panel 7 by sandwiching a cushioning material 6b.
Patent JP-H06220171-A (JP)
Title: Ring opening polymerization of cycloolefin with pyridinium salt catalyst
Inventor: RARII EFU ROODESU
IPC: C08G61/06
Filed: 1990-12-26
Abstract: PURPOSE: To ring-opening polymerize cycloolefin monomers in the presence of a materials catalyst system comprising pyridinium methalate metathesis catalysts soluble in cycloolefin monomers and co-catalysts.  
     CONSTITUTION: A cycloolefin ring opened polymer is obtained by ring opening polymerization of cycloolefin monomers in the presence of a metathesis catalyst system comprising a pyridinium methalate metathesis catalyst as a metethesis catalyst, isopoly molybdates and/or tungstates catalysts of preferably the formula (R, R 1  are each an alkyl, alkylene, alicyclic group, preferably 2-30C alkyl and each total number of carbon is such that catalysts is soluble in cycloolefin monomers; X is preferably phosphorous, silicon, boron or the like; M is molybdenum, tungsten; (x), (y) are numbers of M', M" metallic ions; M' is vanadium or niobium; M" is vanadium, niobium or rhenium) and co-catalysts (preferably alkylaluminum). 
     COPYRIGHT: (C)1994,JPO
Patent JP-H04363645-A (JP)
Title: Spectral analyzer
Inventor: SASAKI HIDEYUKI
IPC: G01N21/27
Filed: 1990-12-26
Abstract: PURPOSE:To achieve an spectral analysis of a sample simply at a high accuracy without lowering surface resolutions in measurement by making light impinge into the sample at an angle of polarization with no increase in the incident surface of light into the sample. CONSTITUTION:A spectral analyzer radiates a plate-shaped sample 1 with light IR and detects the transmission light thereof to measure a photoabsorption rate of the sample 1. A prism 2 comprising a material with the refractive inex thereof the same as that of the sample 1 while being an apex angle 2A equal to an angle thetap of internal reflection of the sample 1 is provided on the side of a light incident surface 1a of the sample 1. The light IR polarized parallel with the reflection surface for the sample 1 is impinged into the sample 1 after being transmitted through the prism 2.