baber/WOPTO huggingface dataset:
Patent JP-H06225584-A (JP)
Title: Driving gear for brushless motor
Inventor: TANAKA TATEAKI
IPC: H02P6/182
Filed: 1993-01-27
Abstract: PURPOSE:To provide a driving gear for a brushless motor in which an accurate rotor position can be detected with a simple circuit configuration. CONSTITUTION:The driver for a brushless motor detects a pole position of a rotor 3 according to a signal to be obtained by comparing a neutral point voltage Vn of a brushless motor 2 with a 1/2 voltage of a power source voltage E in a rotor position detector 7, generates an FET drive signal by an FET drive signal generator 6 based on the pole position of the detected rotor 3, and controls an inverter 1 having a plurality of switching elements S1-S6.
Patent JP-H0618541-A (JP)
Title: Method and device for measuring unstationary flow rate
Inventor: JIYAN ROORAN PIYUBU
IPC: G01P5/14
Filed: 1992-01-21
Abstract: PURPOSE: To measure the velocity of unsteady fluid flow by determining the fluid velocity at a moment when the detected acceleration of fluid goes zero and integrating the difference between two static pressures numerically thereby measuring the variation of velocity between the moments of zero acceleration. CONSTITUTION: An obstacle 10 is disposed in a flow extending in parallel with the direction of unsteady fluid flow having current velocity Vo (t). A tubular region 12 is provided in the obstacle 10 and static pressure taps 14, 16 are disposed at an interval of L so that the pressure difference between the taps will be equal to ρL (dVo/dt). ρ is the local density of the fluid. An input pressure tap 18 is provided at an inlet at the forward end of the obstacle 10 and coupled with a pressure gauge. A moment when the acceleration of fluid goes to zero is detected by detecting a moment when two static pressures P1 , P2 measured at the taps 14, 16 are equal to each other. Subsequently, the fluid velocity at the moment of zero acceleration is calculated based on the input pressure at the tap 18 and the static pressures P1 at the taps 14.  Furthermore, it is integrated digitally in order to measure the variation of velocity between the zero acceleration moments.
Patent JP-S5716723-A (JP)
Title: Gas leakage preventor
Inventor: HANDA RIKIYA
IPC: F23N5/26
Filed: 1981-03-02
Abstract: PURPOSE:To enable the prevention of gas leakage from a gas supply source by disposing a magnet valve to the source and holding the valve open only during normal operation. CONSTITUTION:In case the gas flame extinguishes for some reason during the use  of a gas appliance 12, an emergency signal circuit 22 turns OFF both a switch S1  and a combustion detection switch S2 which are interlocked in parallel with each other, and after a time set by a timer 21, the coil 32 of a relay R2 is demagnetized and a current flow in a solenoid 5 is turned OFF at a normally-open contact a of the relay R2 to close a gas supply path by means of a magnet valve 2, and at the same time, a current flows via a normally-closed contact b of the relay R2 to an alarm buzzer 19 to sound warning.
Patent JP-H09194669-A (JP)
Title: Production of calcium carbonate slurry
Inventor: YOSHIHARA HARUYUKI
IPC: C09K23/52
Filed: 1996-01-24
Abstract: PROBLEM TO BE SOLVED: To prepare a calcium carbonate slurry which is lowly viscous and easily handleable in spite of its high solid concentration. SOLUTION: This slurry is produced by mixing calcium carbonate slurry containing a dispersant being a water-soluble polymer comprising 50-100wt.%, based on the total constituent monomer units, repeating units derived from an acrylate with a water-soluble polymer comprising 60-90wt.%, based on the total constituent monomer units, repeating units derived from a maleate and/or an itaconate.
Patent JP-S52113080-A (JP)
Title: Apparatus for mounting and adjusting lamp
Inventor: HORIIE MASAYOSHI
IPC: G01M11/06
Filed: 1976-03-18
Abstract: PURPOSE: To permit mounting of the automotive head lamp and adjustment of the lens axis thereof to be carried out simultaneously by providing an apparatus for mounting the lamp on the vehicle body with a means for previously adjusting the lens axis of the lamp. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H04270332-A (JP)
Title: Projection type display device
Inventor: HAGIWARA NOBORU
IPC: G03B21/00
Filed: 1991-02-25
Abstract: PURPOSE:To easily realize highly accurate display of high brightness on a screen by means of a relatively simple structure. CONSTITUTION:This device is provided with transmission type display devices 4 (41, 42, 43, 4n) with plural light modulating parts which modulate light from light supplying parts 5 (51, 52, 53, 5n). Plural video signals extracted discretely from one original picture inputted from a picture signal distributing part 47 are subjected to light modulation. In order to optically synthesize the modulated outputs, a synthesized picture output 3 is obtained by optical devices 2 (21, 22, 23, 2n) in which light reflecting parts and transmitting parts are mingled, and is outputted to a projection part 6. The discretely extracted pictures are projected on the screen to be synthesized, and, thus, the original picture is reproduced and displayed.
Patent JP-H02210743-A (JP)
Title: Fluorescent character display tube
Inventor: HAYASHI MASAYASU
IPC: H01J31/15
Filed: 1989-02-09
Abstract: PURPOSE:To obtain the title fluorescent display tube excellent in visibility and the other qualities by forming the shape of meshes inside the electron beam transmission apertures of the second grid into a strip of fancy paper and allowing the distance between respective grids and the aperture width of the meshes to be satisfied with the specified condition. CONSTITUTION:The shape of meshes 32 inside the electron transmission apertures H2R, H2G, H2B of the second grid G2 is formed into a strip of fancy paper. The expression of a >=0.2X(d12+d23) is given, wherein (d12) is a distance between the first grid G1 and the second grid G2, (d23) is a distance between the second grid G2 and the third grid G3 and (a) is the aperture width of the meshes 32 inside the electron beam transmission apertures H2R, H2G, H2B of the second grid G2. Accordingly, the gradient of a drive characteristic curve in the vicinity of a usual drive voltage is made larger, so that the fine adjustment of a beam current by changing the peak value of a drive pulse in the usual drive voltage. Thus, it is possible to obtain the title fluorescent character display tube excellent in visibility and other qualities.
Patent JP-S60176910-A (JP)
Title: Production of aluminum nitride powder
Inventor: KURAMOTO NOBUYUKI
IPC: C04B35/626
Filed: 1984-02-22
Abstract: PURPOSE:To produce fine powder of aluminum nitride having very low agglomeration tendency, in high reproducibility, by contacting alumina powder to be used as a raw material in a solution state with an organic compound producing carbon under the reaction condition. CONSTITUTION:The alumina powder to be used as a raw material is made to contact in a solution state with an organic compound producing carbon under the reaction condition. The organic compound is a polymeric organic compound such as sucrose, starch, polyvinyl alcohol, polyvinyl butyral, etc., and is dissolved in water, methyl alcohol, ethyl alcohol, etc. The alumina powder is made to react with the carbon in nitrogen or ammonia atmosphere to produce the objective aluminum nitride powder.
Patent JP-H04217079-A (JP)
Title: Laser scanner having broad working range
Inventor: JIYOSEFU KATSUTSU
IPC: G02B5/00
Filed: 1991-02-25
Abstract: PURPOSE: To obtain a bar code scanner which has a wide operation range by arranging an optical element in the optical path between a laser light source and a scanning mirror. CONSTITUTION: This laser scanner is provided with the laser light source 20, e.g. a gas laser or semiconductor laser diode, an optical means which forms a diffraction pattern 25 having a center beam spot 26 with a specific diameter, and a scanning means which makes a scan with a modulated laser beam 14 across a symbol 15. The barrel part 11 of a housing has an exit window 13. The laser beam 14 exits through the window 13 to impinge on the symbol 15 placed outside the housing and scan it. The laser beam 14 moves across the symbol 15 to draw a scanning line 16. The scanning motion of this laser beam 14 is caused by an oscillatory mirror 17 driven by a stepping motor 18. Consequently, the wide operation range, i.e. depth of focus is obtained.
Patent JP-H01204664-A (JP)
Title: Appliance for endoscope
Inventor: INOUE KAZUHIRO
IPC: A61B1/00
Filed: 1988-02-10
Abstract: PURPOSE:To permit inner and outer sheath not to be exfoliated from each other and broken even if an end of a flexible sheath is largely bent, by fixedly bonding at least the proximity of an end of the synthetic resin outer sheath to the inner sheath with thermal molding. CONSTITUTION:A flexible sheath 2 is constituted from an inside sheath 7 formed of tight a coiled strip-like metal elastic plate and an outside sheath 8 covering the outer periphery of the inside sheath 7 and formed of tetraethylene fluoride resin or the like. The inside and outside sheathes 7, 8 are formed over a considerable length from the endmost portion with a heat molded portion 10 formed by heating and drawing the outside sheath 8 through a die or the like on the inside sheath 7. Thus, the flexible sheath 2 does not need to have a particularly long hard portion so that the flexibility is not damaged and the heat molded portion 10 can have any proper length. The inside and outside sheathes 7, 8 are not exfoliated from each other to expose the inside sheath 7 to that a risk of burning a normal mucosa other than an object can be surely prevented.
Patent JP-2000225449-A (JP)
Title: Apparatus for continuously casting stainless steel slab
Inventor: KANECHIKA YOJI
IPC: B22D27/02
Filed: 1999-02-08
Abstract: PROBLEM TO BE SOLVED: To decide the optimum arrangement for improving an equiaxed crystal ratio by disposing an electromagnetic stirring devices in a continuous casting apparatus. SOLUTION: The first electromagnetic stirring device 6 is disposed at the upstream side by two times of a slab width, by using the position 5 having 0% liquid phase ratio, at where the cast slab 3 cast in the continuous casting apparatus 1 is fully solidified, as the reference. Further, the second electromagnetic stirring device 7 is disposed at the upstream side by four times of the slab width from the first electromagnetic stirring device 6. Each electromagnetic stirring device 6, 7 develops the stirring flow having the slab width of the diameter into an unsolidified portion in the cast slab 3.  The stirring flow is developed as the primary stirring flow at the upstream side and the downstream side of the position acting the lines of magnetic force and further, the secondary stirring flow is developed at the further upstream side and downstream side to each portion of the primary stirring flow. In the first electromagnetic stirring device 6, the molten steel till the position 5 having 0% of liquid phase ratio, can efficiently be stirred with the primary stirring flow and the secondary stirring flow.
Patent JP-S62191497-A (JP)
Title: Vapor growth method
Inventor: MATSUMOTO TAKU
IPC: C30B25/02
Filed: 1986-02-17
Abstract: PURPOSE:In vapor growth method for InGaAsP, to control composition only by two sources and to carry out vapor growth, by blending PCl3 with PH4Cl as P halides in a desired ratio and reacting the blend with melt of a group III metal. CONSTITUTION:An AsCl3+H2 has and a PCl3+H2 gas are sent from gas inlets 8 and 9 onto In melt 4 and Ga melt 6, respectively to form an InAs crust 10 and a GaP crust 11. GaAs substrate crystal 7 is set in a quartz reaction tube 1, a source zone is heated to 800 deg.C and a growth zone to 700 deg.C. The AsCl3+H2 gas is sent from the gas inlet 8 and a PCl3+PH4Cl+H2 from the gas inlet 9 to the reaction tube. Transportation ratio of a group III element bonded to P on the crust and P can be controlled by blending PCl3 with PH4Cl in a desired ratio and reacting the blend with melt of a group III metal. Three or more kinds of sources are required to control composition of InGaAsP mixed crystal in conventional chloride method but composition can be controlled only by two sources.
Patent JP-S60175785-A (JP)
Title: Open type compressor
Inventor: KURITA YUUKOU
IPC: F04B39/02
Filed: 1984-02-20
Abstract: PURPOSE:To save the space by making a recess in cover body for containing a coupling while to prevent mixing of oil into gas flow by returning oil directly from an oil sump into crank chamber. CONSTITUTION:A cover body 41 for closing the opening of machine frame body 2 is provided. A recess 41a is made in said cover body 41 toward the intake gas chamber 81 and a coupling 15 for coupling with an external drive means 16 is contained in said recess 41a. While an endboard 26 is provided in the recess 41 to form an oil sump 13. Furthermore, an oil hole 28 communicating between the oil sump 13 and crank chamber 7 is provided in the crank shaft 9.
Patent JP-H0972105-A (JP)
Title: Structure and method of reinforcing concrete structure
Inventor: KAWAHARA MASAO
IPC: E04G23/02
Filed: 1996-02-19
Abstract: PROBLEM TO BE SOLVED: To increase the strength of a concrete building frame, and to improve the reliability of fire-resistive covering by reinforcing the periphery of the concrete building frame by an iron plate, sticking raised cloth on the iron plate and coating the upper section of the hairy cloth with mortar. SOLUTION: An iron plate 6 or a steel pipe is disposed around a concrete building frame 1, raised cloth 4 is stuck on the surface of the iron plate 6, etc., with adhesives 3 while directing a pile part to the outside, and a reinforcing layer is formed. The surface of the raised cloth 4 is coated with mortar 5 so as to bury the pile part. Accordingly, stress such as shearing force, etc., working to the concrete building frame 1 is burdened by the reinforcing layer, and the concrete building frame 1 can be reinforced. Since the raised cloth 4 is interposed on the interface of the reinforcing layer and a mortar layer, the adhesive stability of both the reinforcing layer and the mortar layer 5 is improved, and fire-resistive covering having high reliability can be executed.
Patent JP-S62191249-A (JP)
Title: Motor driven collapsible door mirror
Inventor: NISHIZAWA TOSHIAKI
IPC: G02B5/08
Filed: 1986-02-17
Abstract: PURPOSE:To prevent damage due to overload by installing an actuator having a high reduction gear train on a support plate in a mirror body, and providing a mechanism for preventing an excessive overload from being applied to said actuator when said mirror is collapsed. CONSTITUTION:When an actuator 9 is operated, a gear 32 is rotated and revolves while being meshed with a clutch gear 33, to rotate a mirror body 3 and adjust the angle of a mirror. As the actuator 9 is further rotated, the mirror body 3 is rotated to the limit angle of a stopper, into a collapsed condition. If a large shock is externally applied to the mirror, a clutch mechanism 10 is operated, to make the clutch gear 33 idly rotate with respect to a shaft 8. Thereby, sufficient slipping action at the time of overload can be obtained, preventing damage due to overload.
Patent JP-H03234368-A (JP)
Title: Root running method for narrow groove welding
Inventor: YAMAURA AKIHISA
IPC: B23K9/167
Filed: 1990-02-09
Abstract: PURPOSE:To reduce welding man-hours by replacing the inside of a groove of the other side with inert gas while performing welding by a specified welding current with a wire having a specified diameter, forming a fine back bead to omit back chipping and performing welding with a groove shape to make the most of characteristics of the narrow groove. CONSTITUTION:The narrow gap having 4-10mm bottom radius R, 1.0-3.0mm root face (d) and 0-0.5mm root gap (g) in a double-J groove is welded. The MIG welding method is used for root running of the groove of one side and welding is performed by the current which brings on spray transfer in the range of 200-450A of the welding current with the wire having 0.9-1.8mm diameter. Meanwhile, the inert gas is supplied at=10l/min flow rate to the inside of the groove of the other side and the inside of the groove is replaced with the inert gas and the fine back bead is formed to omit back chipping. Consequently, welding can be performed with the groove shape to make the most of the nar row groove sufficiently and a reduction effect of welding man-hours can be obtained remarkably.
Patent JP-2000229992-A (JP)
Title: Gelling organic compound, gelling agent and gel using the same
Inventor: INOUE KAZUHIKO
IPC: C07H15/04
Filed: 1999-02-09
Abstract: PROBLEM TO BE SOLVED: To obtain a new gelling compound capable of preparing an organic gel structure having excellent strength, useful as a carrier for a separating agent for chromatography, a gel for immobilizing a biocatalyst, etc. SOLUTION: This compound is shown by the formula I [X1 and X2 are each >=6C alkyl; and R is a group of formula II or formula III (b is 0<=b<=10)] such as a compound of formula IV. The compound of formula I is obtained, for example, by suspending a compound of formula V and a compound of formula VI in an atmosphere of an inert gas such as nitrogen in a solvent such as dried dimethylformamide, etc., and reacting the compounds. Preferably an organic gel useful as a carrier for a functional substance in a chemical sensor having excellent stability and durability is constituted from a three-dimensional network structure from the gelling compound and a polyfunctional isocyanate such as toluene diisocyanate.
Patent JP-H09189063-A (JP)
Title: Cleaning water collection device of toilet bowl
Inventor: MORIMOTO KIYOSHI
IPC: E03D11/10
Filed: 1996-01-11
Abstract: PROBLEM TO BE SOLVED: To collect and use the cleaning water by providing a dish-shaped shielding off body having a waste port on a lower side of a feces drop port on a bowl of a flushing toilet bowl in an opening/closing manner, and locking the shut-off body only when the cleaning water is flushed to separate the paper and shield the odor. SOLUTION: A funnel-shaped receiver 4 is provided on the lower side of a feces drop port 3 of a toilet bowl 1. A shielding body 5 is formed dish-shaped whose diameter is slightly larger than the outer diameter of the feces drop port 3, a weight 7 is supported by a supporting shaft 10 of the shielding body 5 so as to be inclined by the weight heavier than that of the water corresponding to the full-dish level. A waste port is provided to shut off the odor at the position to store the sealing water when the feces dish is horizontal on the weight 7 side of the shielding body 5. A cleaning water tank 11 is provided to the lower part of a waste passage 8.  The shielding body 5 is locked in a closed condition when the toilet bowl cleaning water is flushed, and the locking of the shut-off body 5 is released during the use of the toilet bowl to drop the feces into a feces tank 16 by releasing the lock as soon as the flushing is completed. When the cleaning water is flushed, the shielding body 5 is locked, and the cleaning water is collected into the cleaning water tank 11 through the waste port 8 for reuse.
Patent JP-S63212980-A (JP)
Inventor: KOBASHI TADAO
IPC: G09F9/00
Filed: 1988-02-12
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S57146307-A (JP)
Title: Controller for auxiliary machine
Inventor: TANAKA KEIICHI
IPC: G05B19/02
Filed: 1981-03-06
Abstract: PURPOSE:To keep the mechanical life of auxiliary machines longer, by starting from an auxiliary machine with the shortest operation time and stopping an auxiliary machine with the longest operation time, in controlling process variables with a plurality of auxiliary machines. CONSTITUTION:A signal showing the operating state of auxiliary machines (motors)A,B and C is inputted to a comparison controller 8. An integration circuit 16 integrates each operation time of the auxiliary machines A, B and C. The operation times of respective auxiliary machiens are compared at a comparison circuit 17. It is assumed that the operation time of the auxiliary machine A is the shortest and that of the C is the longest. In case of one machine operation, the machine A is automatically selected and bronght to operation. If the machine A is infailure during the operation, the machine B which has the next shortest operation time is driven. When a stop instruction is given while the machines A, B and C are in operation, the machine C is stopped. The controls can be made by the output of the comparison circuit 17.
Patent JP-S54123834-A (JP)
Title: Color stabilization unit for color television receiver
Inventor: TOMIMOTO TETSUO
IPC: H04N9/64
Filed: 1978-03-17
Abstract: PURPOSE: To enable to perform color stabilization control operation stable and accurate, by detecting the signal around skin color with the amplitude of the difference signal between the reference color signal of skin color and the carrier chroma signal and using it for the control.  
     CONSTITUTION: Carrier chroma signal is fed to the variable gain amplifier 7, and the gain is set with the luminance signal separately supplied so that the gain is increased with smaller luminance signal level. Further, the output of the amplifier 7 is fed to one input terminal of the subtractor 3, where subtraction with the reference chroma signal fed to another input terminal is made. When the phase of the carrier chroma signal and the reference chroma signal is in agreement with each other, if the liminance signal is smaller, since the gain of the amplifier 7 is increased, with comparatively greater gain of the carrier chroma signal, it is in agreement with the amplitude of the reference chroma signal and judged as skin color. (and vice versa) Further, the output of difference signal from the subtractor 3 is fed to the variable mixer 8 via the amplitude detector 4, mixing 8 the carrier chroma signal with the reference chroma signal in a suitable ratio into output. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S60177088-A (JP)
Title: Foaming agent for air excavation
Inventor: AKIMOTO SHINICHI
IPC: C09K8/03
Filed: 1984-02-23
Abstract: PURPOSE:To provide a foaming agent for air excavation, composed of a composition containing a specific anionic surfactant, a specific amine oxide and a specific fatty acid diethanolamide, and exhibiting sufficient foamability and foam stability even in a soil having high hardness. CONSTITUTION:The objective foaming agent is composed of a composition containing (A) 50-95(wt)% anionic surfactant having 8-40 carbon atoms and containing one or more -SO3M or -OSO3M groups (M is Na, K, NH4 or organic ammonium) and (B) 5-30% amine oxide of formula I [R<1> is 6-24C alkyl or alkenyl; R<2> and R<3> are 1-3C (hydroxy)alkyl; m is 1-10; n is 0 or 1] and/or fatty acid diethanolamide of formula II (R<4>CO is 8-26C acyl).
Patent JP-H05198317-A (JP)
Title: Lithium secondary battery
Inventor: AIHARA YUICHI
IPC: H01M10/0567
Filed: 1992-01-21
Abstract: PURPOSE:To improve the charge efficiency and the cycle life by using the electrolyte, in which phthalide or derivertive is added, as the organic solvent, in which lithium salt is dissolved, or the ion conductive high molecular compound. CONSTITUTION:At the time of manufacturing a positive electrode 4, manganese dioxide at 85 parts by weight, acetylene black as the conductive material at 10 parts by weight, polytetrafluoroethylene as the binder at 5 parts by weight are kneaded to be formed into a sheet, and thereafter, a positive electrode 4 at a desired diameter is punched out from a mold, and the high temperature vacuum drying is performed to make the positive electrode 4 pressure-contact to a positive electrode current collector 1. Next, at the time of manufacturing a negative electrode 5, a metal lithium foil at a desired diameter is punched out, and it is made to pressure-contact to a negative electrode current collector 2. Next, as the electrolyte to be filled, the electrolyte obtained by dissolving lithium perchlorate as the solute in the mixture solvent of propylene carbonate and dimethoxyethane at 1mol/l is used, and phthalide as the addition agent is dissolved in this electrolyte at 0.1mol/l, and a separator 6 is impregnated with this electrolyte.