baber/WOPTO huggingface dataset:
Patent JP-2001104965-A (JP)
Title: Waste water treatment apparatus
Inventor: YOSHINO MASAAKI
IPC: C02F11/00
Filed: 1999-10-05
Abstract: PROBLEM TO BE SOLVED: To provide a waste water treatment apparatus capable of efficiently removing phosphorus hard to remove by a standard activated sludge method or an oxidation ditch method. SOLUTION: In a waste water treatment apparatus wherein a dephosphorizing material R is added to a phosphorus-containing liquid (sludge Q) to precipitate a phosphorus compound on the dephosphorizing material to separate and recover the same, a cylindrical body 25 is arranged in a bottomed cylindrical reaction tank 24 to that the lower inflow port 25a thereof is opened to the interior of the tank and the upper outflow port 25b thereof is protruded upwardly from the surface of the liquid and a blower 26 for generating ascending streams in the cylindrical body is equipped and a screen 28 catching the dephosphorizing material contained in the liquid overflowing the upper overflow port to return the same to the reaction tank and allowing the liquid from which the dephosphorizing material is separated to flow out of the reaction tank through a liquid receiver 27 is fitted.
Patent JP-H01125402-A (JP)
Title: Joint structure of road
Inventor: ARAI MOTONOSUKE
IPC: E01D19/06
Filed: 1987-11-10
Abstract: PURPOSE: To improve a water proof property of a cross point, and decrease a constructing cost, by connecting an extending part of the cross point seal member in a joint structure with each joint seal member, and by fixing with a fixing member of each joint. CONSTITUTION: In a joint structure for a cross point wherein a longitudinal joint and a horizontal joint intersect in a cross shape, T-shape, or a dogleg shape, a cross point sealing member 9 is arranged. Extending parts to each direction of the cross point sealing member 9 are water tightly connected to joint sealing members 21, 24, and 25, and is fixed on road bridges 1, 2, 3, and 4 with fixing members 22, 26, and 27 of each joint. Hereby, the fixing members can be shared between the cross point sealing member and each joint sealing member. Therefore, it is possible to simplify construction, a cost can be decreased, and complex force can be prevented from applying on connecting parts.
Patent JP-H08213488-A (JP)
Title: Nonvolatile memory semiconductor element and its manufacture
Inventor: BIYUNGUUIRU RII
IPC: H01L21/8247
Filed: 1995-11-01
Abstract: PROBLEM TO BE SOLVED: To provide a nonvolatile memory semiconductor device wherein step- difference of the surface is small and manufacturing is easy, and the manufacturing method of the device. SOLUTION: The device comprises a control gate 21 which is formed on a semiconductor substrate 20 so as to be insulated from the substrate, side wall floating gates 22 which are insulated are formed on both side surfaces of the control gate 21, and a source region 25 and a drain region 26 which are formed in the substrate below both of the side wall floating gates 22.  The manufacturing method consists of the following; (1) a step of forming the control gate on the semiconductor substrate so as to be isolated from the substrate, (2) a step of forming an insulating film on the surface of the control gate, (3) a step of forming the floating gates on both of the side surfaces of the control gate by evaporating polycrystalline silicon on the whole surface of the semiconductor substrate and performing etch back, (4) a step of forming the source region and the drain region by doping the semiconductor substrate by using the control gate and the side wall floating gates as masks.
Patent JP-H06107244-A (JP)
Title: Posture controller of cab
Inventor: TOYOFUKU KATSUYA
IPC: B60G17/015
Filed: 1992-09-30
Abstract: PURPOSE:To keep the posture of a cab flat at all times by controlling each hydraulic actuator which supports each point in the front and rear and in the right and left of the cab on a car frame together with a spring based on displacement amount of roll, pitch, and up and down displacement of the cab, displacement speed, and braking force of each axle. CONSTITUTION:The amount of relative up and down displacement of a cab 3 which is supported in such a way that it can change its posture freely and a car frame 25 is detected by a car height sensor 28, and the amount of relative up and down displacement between the car frame 25 and an axle 30 is detected by a car height sensor 31. Also, a transverse acceleration sensor 32, a front and rear acceleration sensor 33, and an up and down acceleration sensor 34 are installed near the center of gravity of the cab 3, and displacement speed of roll, pitch, and up and down displacement of the cab 3 is obtained based on these outputs. Control force of each axle is obtained based on each output of a car speed sensor 28 and the front and rear acceleration sensor 33, and control force which suppresses roll, pitch, and up and down displacement of the cab 3 is obtained based on obtained braking force, each displacement speed, and each displacement amount so as to control an oil amount control valve to adjust oil amount of each hydraulic actuator 19 provided at four points in the front and rear and in the right and left of the cab 3.
Patent JP-2000113680-A (JP)
Title: Semiconductor integrated circuit device
Inventor: NISHIYAMA MASAHIKO
IPC: G11C11/34
Filed: 1998-10-07
Abstract: PROBLEM TO BE SOLVED: To securely prevent a current from flowing to a writing control circuit at the time of operation other than writing operation and, further, simplify a circuit structure and reduce a layout area. SOLUTION: Transistors 9 and 10 which control the ON/OFF of a transistor 6 for a constant current source by a writing control signal /WE are provided in a writing control circuit 1 formed in an SRAM. At the time of writing operation, the transistor 9 is turned on and the transistor 10 is turned off by the Lo level writing control signal /WE and the transistor 6 is turned on to activate the writing control circuit 1. At the time of operation other than the writing operation, the level of the writing control signal /WE is Hi and the transistors 9 and 10 are turned off and turned on respectively and the transistor 6 is turned off so as not to activate the writing control circuit 1. With this constitution, an unnecessary current applied via the transistor 6 can be securely eliminated.
Patent JP-H04160196-A (JP)
Title: Production of reflow tin alloy plating material
Inventor: MATSUDA AKIRA
IPC: C25D5/10
Filed: 1990-10-23
Abstract: PURPOSE:To improve thermal peeling resistance and workability by applying Sn alloy plating further onto the Sn plating of a prescribed thickness formed on a base material consisting of Cu (alloy), then subjecting this material to a reflow treatment. CONSTITUTION:The Sn plating is applied on the surface of the base material consisting of the Cu (alloy) to form an underlying layer of 0.05 to 0.5mum, more preferably 0.1 to 0.3mum thickness. Further, the Sn alloy plating (prescribed alloy of Sn and Pb, Bi, Sb, etc.) is applied on the Sn plated underlying layer. This plating is then subjected to a reflow treatment.
Patent JP-H07139213-A (JP)
Title: Removing method for residual deformation of inner vessel bottom plate of low temperature tank
Inventor: ISHIDA KAZUO
IPC: E04H7/18
Filed: 1993-11-15
Abstract: PURPOSE:To remove residual deformation by filling up an inner vessel with air having fixed pressure after keeping the inner vessel at normal temperature, and drawing the peripheral edge part of the bottom plate radially outward through the side plate of the inner vessel being under the above pressure. CONSTITUTION:When after keeping an inner vessel 4 at normal temperture, it is filled up with air having fixed pressure (p), a downward load to generate frictional force in a roof plate 7 and a side plate 8 becomes theoretically zero. In this case, downward force to cause the frictional force is only pressure (p) acting on the bottom plate 9 and the weight of the bottom plate 9 itself, which act uniformly over the whole surface of the bottom plate 9, and their values are very small in comparison with a concentrated load along the lower part of the side plate 8, and the frictional force is therefore extremely small. On the other hand, since radially outward force caused by the pressure (p) acts on the side plate 8, the lower end part 8a of the side plate 8 deforms expansively and draws an annular plate 10. A thin bottom plate 11 is thus stretched out radially outward and formed into an about flat shape. A residual deformation D can thereby be removed.
Patent JP-H01127467-A (JP)
Title: Head lamp for bicycle
Inventor: OGAWA SOICHIRO
IPC: B62J6/02
Filed: 1987-11-13
Abstract: PURPOSE: To increase illuminance and to reduce an electricity generating load and to freely control color temperature by using a fluorescent lamp for a headlamp in a bicycle. CONSTITUTION: A fluorescent lamp 1 with a base, which is a hot cathode fluorescent lamp, contains gaseous mercury and rare gas in addition to a filament serving as an electrode. In lighting the lamp 1, the filament is lighted without preheating, and a lighting circuit 7 and the lamp 1 are connected together. A reflection plate 4 reflecting light of the lamp 1 is arranged in the position surrounded by a case 6 made of resin/metal and a transparent cover 5, and in the case 6, a metal fitting 8 mounted to a bicycle is arranged and connected to the earth. A bicycle generator 9 is connected to one power source unit input end of the lighting circuit 7, while the other power source input end is connected to the mounting metal fitting.  For lighting the lamp 1 by means of the generator, a conversion circuit to direct current is provided in the lighting circuit 7 as alternate current is supplied from the power source.
Patent JP-2001110090-A (JP)
Title: Recording medium and method of manufacturing the same, as well as optical information recording and reproducing device
Inventor: KASAMA NOBUYUKI
IPC: G11B7/24
Filed: 1999-10-06
Abstract: PROBLEM TO BE SOLVED: To provide a recording medium having characteristics not in a near- field optical head but in the structure of the recording medium in order to enhance the utilization efficiency of light in an optical memory using near-field light, and a method for manufacturing the same as well as an optical information recording and reproducing device using the recording medium. SOLUTION: The recording medium 6 for recording and reproducing information by the near-field optical head utilizing the near-field optical light consists of a medium substrate transparent to the wavelength of irradiation light to be cast for the purpose of forming the near-field light, a data recording part 33 for recording the information on a medium substrate surface and a light condensing structure for condensing the irradiation light to the data recording part 33. More particularly the light condensing structure comprises tapered parts 32 having reflection films formed and light shielding parts 34.
Patent JP-H04160102-A (JP)
Title: Composite material and its production
Inventor: INOUE OSAMU
IPC: H01F1/24
Filed: 1990-10-22
Abstract: PURPOSE:To obtain high insulating property while maintaining the amt. of insulating material small by forming a thin layer on the surface of metal powder particle in a manner that the thin layer consists of insulating oxide of such metal the oxide of which has lower free formation energy than the metal of the powder particle to obtain a composite powder, and then compacting the powder to specified relative density or higher. CONSTITUTION:When Fe-Si-Al alloy is used, a spherical powder of this alloy is treated at specified temp. in an Ar gas atmosphere containing a proper amt. of O2 gas to form a film on the powder surface. This film formed on the powder consists of an insulating oxide material containing not only Al and O but a considerable amt. of Fe and partly contains iron oxide. This composite powder is subjected to hot press sintering in an Ar gas atmosphere or the like under specified conditions to obtain a molded body having >=95% relative density.
Patent JP-H09129356-A (JP)
Title: Spark plug for internal combustion engine
Inventor: KATOU TOMOAKI
IPC: H01T13/20
Filed: 1995-11-02
Abstract: PROBLEM TO BE SOLVED: To provide a spark plug for an internal combustion engine, which has a trapezoidal, wedge-shaped grounding electrode that can enhance ignitability and lower the required voltage even in a high-compression engine and a lean-burn engine. SOLUTION: This plug has a cylindrical principal metal fitting 1, an insulator 2 with an axial hole 21 fitted over the principal metal fitting 1, a center electrode 3 fitted into the axial hole 21 in the insulator 2, and a grounding electrode 4 projected form the end of the principal metal fitting 1 and having its end 41 curved in the direction of the center electrode 3, with a spark gap G formed between the side face of the center electrode 3 at the end 41 and the end face of the center electrode 3. The end 41 of the grounding electrode 4 on the center electrode 3 side has a trapezoidal part in the form of a trapezoid whose cross section decreases in width toward the end 31 of the center electrode 3, and serves as a tapered wedge-shaped part.
Patent JP-S62145546-A (JP)
Title: Optical disk information reproducing device
Inventor: KOKADO HIROSHI
IPC: G11B7/1381
Filed: 1985-12-20
Abstract: PURPOSE:To prevent the detecting function of a tracking error signal from being, damaged, to share parts while dissolving the problem of astigmatism, and to miniaturize an optical disk information reproducing device by setting the angle formed with the optical axis of a laser beam from a semiconductor laser and the normal line direction of the transmitting surface of the parallel plane plate with a diffraction grating, to the prescribed value in the plane including a junction surface. CONSTITUTION:For a parallel plane plate 2 with a diffraction grating, a phase type diffraction grating G1 formed by the recessed and projected surface at a transmitting surface 2g at the side where the laser beam to come out from a semiconductor laser 1 is made incident on is formed and at a transmitting surface 2h at the opposite side, a half mirror coating layer is formed. The parallel plane plate 2 with the diffraction grating has a prescribed thickness (t) and a refraction factor (n), and the normal direction of the transmitting surface 2g and the optical axis of the laser beam form the prescribed angle theta in a plane (x-y plane) including the junction surface of the semiconductor laser 1. On the other hand, on the optical axis to convert the light path by the reflecting surface 2h of the parallel plane plate 2 with the diffraction grating, a relay lens 6 constituting the focusing detecting optical system is provided, and at the image forming position of the relay lens 6, a photoelectric converting part 7 is provided.
Patent JP-H01126870-A (JP)
Title: Both-face original reader
Inventor: MORI NORIYUKI
IPC: H04N1/12
Filed: 1987-11-12
Abstract: PURPOSE:To eliminate the need for a large space and complicated mechanism for inverting an original by devising the tile reader so that both faces of the original are read without turning over the original. CONSTITUTION:A 1st read means 24 is arranged on the lower side os a platen roller 3 and a 2nd read means 25 is arranged on the upper side around the platen 3 symmeriacally. After the original G is carried between the platen 3 and the 1st read means 24 to read one face, the original is carried reversely and fed between the platen 3 and the 2nd read means 25 to read the other face. Thus, no complicated reversing mechanism is required, the cost is reduced and a large space for turning over the original is not required to attain small size.
Patent JP-H02132600-A (JP)
Title: Disaster prevention supervision and control system
Inventor: MOTOMATSU TAKUJI
IPC: G08B25/00
Filed: 1988-11-14
Abstract: PURPOSE:To minimize driving control lines for a disaster preventing equipment controlling terminal by providing an I/O unit having a transmitting and controlling circuit part and a terminal part in the neighborhood of the disaster preventing equipment controlling terminal under a connected state to a transmission line extended from a repeater and controlling the terminal in the neighborhood of the I/O unit. CONSTITUTION:A repeater 2 is provided for every floor or every several floors, and an I/O unit 3 is connected to a transmission line 5 extended from the repeater 2. Further, in the same floor, the I/O units 3 of the number of which is corresponding to the width of the floor, are provided for every installing place such as both sides of the floor or an emergency exit, and one or plural terminals ERs in the neighborhood of each installing place can be connected to each I/O unit 3. Fire sensors S to be connected in the floor are connected through a transmission line 6 to the repeater 2, address polling is successively executed for the respective fire sensors S by the repeater 2, and signals are taken in and signal-processed in the repeater 2. Thus, supervisory control can be executed with the minimum number of lines.
Patent JP-H08122633-A (JP)
Title: Projection lens and projection type display device
Inventor: TANAKA TAKAAKI
IPC: H04N9/31
Filed: 1994-10-25
Abstract: PURPOSE: To obtain a projection lens and a projection type display device with high contrast by reducing flare light. CONSTITUTION: The projection lens 26 is provided in order to enlarge and project a picture formed on a fluorescent surface 23 of a cathode ray tube 20 for projection to a screen 27. The lens L4 arranged on the screen 27 side in the lens 26 is colored to have specified transmissivity against a lens L3 having the strongest positive power in the lens 26. Even when the light is multiply- reflected by the combination of any of the lenses L1 to L5, the multiply-reflected light passes the colored lens L4 plural times, so that the flare light is reduced.
Patent JP-H08117786-A (JP)
Title: Waste water treatment device
Inventor: MIYABAYASHI TETSUJI
IPC: C02F1/44
Filed: 1994-10-26
Abstract: PURPOSE: To provide a waste water treatment device which removes an organic matter and nitrogen in waste water in about the same required time as an activated sludge method, and reduces the generation volume of residual sludge. CONSTITUTION: A waste water treatment device is provided with an aerobic tank 4 installed in the back stage of an anaerobic tank 2 in which a membrane for separating a solid from a liquid is provided, and a separation device 7 for a carrier for inclusion-immobilization of nitration bacteria, which is installed in the aerobic tank, and nitration liquid circulating piping 8 for circulating the nitration liquid between the aerobic tank and the anaerobic tank.
Patent JP-H03146480-A (JP)
Title: Production of porous inorganic molding
Inventor: NAGATOMI SONAU
IPC: C04B28/02
Filed: 1989-10-31
Abstract: PURPOSE:To obtain the above molding which is light in weight and has a high insulation characteristic, high strength and good dimensional stability by molding a mixture composed of bulked wooden fiber bundles, curable inorg. powder and expandable plastic beads, then heating, expanding and curing the molding. CONSTITUTION:The mixture composed of the wooden fiber bundles which are bulked by branching and/or curving and/or bending, the curable inorg. powder (e.g.: a mixture composed of cement and inorg. powder contg. silicic acid, such as silica sand, etc.) and the expandable plastic beads (e.g.: beads of thermoplastics, such as PE, PP and PS, impregnated with a volatile foaming agent, such as propane, butane or petroleum ether) is molded to a prescribed shape and is heated to expand the expandable plastic beads and to cure the curable inorg. powder. Many holes are formed internally and the porous inorg. molding which is light in weight and has the high insulation characteristic is obtd.
Patent JP-H1194534-A (JP)
Title: Trolley line deviation measuring device
Inventor: YONEYAMA YOICHI
IPC: G01B21/00
Filed: 1997-09-16
Abstract: PROBLEM TO BE SOLVED: To measure accurately the deviation of a trolley line in vertical direction. SOLUTION: At a bottom part of a fixing member 1, a positioning piece 2 contacting to the inside surface of a rail is provided. On a side surface of the fixing member 1 a graduation 4 indicating a distance from a center point in longitudinal direction is provided. A movable member 6 comprises a slide part 7 and a vertical post part 8 attached vertically at a central part of the slide part 7. The slide part 7 is so provided as free in sliding in longitudinal direction at the fixing member 1. At the center on a side surface of the slide part 7 an indication mark 9 indicating the graduation 4 is comprised. At an attaching stage 11 at an upper central part of the slide part 7 a mirror 12 is so attached that its vertical angle may be changed. At an end part and an intermediate part of the post part 8 a standard pin 14 is so provided as to protrude toward extension direction of the rail.  The fixing member 1 is put across the rails, the movable member 6 is so moved that two standard pins 14 projected on the mirror 12 overlap the trolley line, and the deviation of the trolley line is read by the graduation 4a indicated by the indication mark 9.
Patent JP-H06137855-A (JP)
Title: Canti-lever device for interatomic force microscope
Inventor: HIROSE YUKINORI
IPC: G01B21/30
Filed: 1992-10-23
Abstract: PURPOSE:To provide a canti-lever device capable of having a highly resolving and stable image by flowing a current through a metal film formed on the rear surface of a canti-lever and controlling the temperature of the canti-lever. CONSTITUTION:A temperature control means of the canti-lever device comprises a temperature controller 5 and a thermocouple 7. A laser beam is converged on the upper surface of the canti-lever 2 through a lens, and the reflected light is made incident on a photo sensor. By the photo sensor, the position of the reflected light is detected, and the minute deflection of the canti-lever 2 is sensed. To obtain an image by an interatomic force microscope, current is flowed through a metal film 4 formed on the rear surface of the canti-lever 2 to control the temperature of the canti-lever by a temperature controller 5 so that the temperature of the canti-lever 2 becomes constant, while the temperature of the canti-lever 2 is monitored by the thermo-couple 7. Namely, the temperature of the canti-lever 2 is controlled at a higher temperature than that raised by the laser beam. Thus, any error due to rise in temperature of the canti-lever 2 does not occur to obtain a highly resolving and stable interatomic force microscopic image.
Patent JP-H03146527-A (JP)
Title: Prepreg and its preparation
Inventor: NAKAO FUJIO
IPC: C08J5/24
Filed: 1989-11-02
Abstract: PURPOSE:To prepare the subject prepreg for ceramic matrix composite materials having excellent heat resistance and good handleability and readily shaped into sheets by aligning fiber tows, immersing the alingned fiber tows in a slurry solution and subsequently adhering specific films to the immersed fiber tows. CONSTITUTION:Fiber tows are aligned and immersed in a slurry solution containing ceramic or glass powder. Before or after a solvent in the slurry is removed, a film or films having a weight residual degree of <=5wt.% at 450 deg.C when heated at a heating rate of 10 deg.C/minute in nitrogen gas is or are adhered to one or both sides of the ceramic-impregnated fiber material to provide the objective prepreg. The reinforcing fibers are preferably carbon fibers.