baber/WOPTO huggingface dataset:
Patent JP-H11349623-A (JP)
Title: Catalyst composition and polymerization for producing syndiotactic 1,2-polybutadiene
Inventor: LUO STEVEN X L
IPC: C08F136/06
Filed: 1999-05-27
Abstract: PROBLEM TO BE SOLVED: To obtain a polybutadiene having a high melting temperature and improved syndiotacticity by polymerizing 1,3-butadiene in the presence of a chromium compound soluble in a hydrocarbon solvent, an organomagnesium compound, a cyclic hydrogenphosphorous ester, and a molecular weight modifier. SOLUTION: A chromium compound soluble in a hydrocarbon solvent is combined with an organomagnesium compound in a molar ratio of 2:1 to 50:1 and a cyclic hydrogenphosphorous ester of the formula (wherein R is a 2-20C optionally substituted alkylene or arylene) in a molar ratio of the chromium compound to the ester of 1:5 to 1:25 to obtain a catalyst composition. 1,3-Butadiene is polymerized at -10 to 100 deg.C desirably, 20-90 deg.C in a hydrocarbon solvent in the presence of 0.01-1 pt.wt., desirably, 0.05-0.5 pt.wt., per 100 pts.wt. 1,3-butadiene, molecular weight modifier to obtain a syndiotactic 1,2-polybutadiene having a melting temperature of 120 deg.C or above and a syndiotacticity of 70% or above.
Patent JP-H0439980-A (JP)
Title: Laser oscillator
Inventor: KARASAKI HIDEHIKO
IPC: B23K26/00
Filed: 1990-06-05
Abstract: PURPOSE:To relieve the output power of a power source from its dependence on the voltage of the power source and stabilize the output of laser by detecting AC voltage of the power source and controlling the switching frequency in conformity with the magnitude of fluctuations in a reference signal. CONSTITUTION:When the AC voltage of a power source fluctuates, the fluctuations are detected by a voltage converter 21, a rectifier 22, and a smoothing capacitor 23 and enter an error amplifier 24. As the reference voltage of a reference voltage signal generation circuit 25 enters the error amplifier 24, the differential voltage is input into a switching frequency setting circuit 18 where the circuit 18 increases and reduces the switching frequency by the portion of differential voltage to the reference voltage so as to unify the power and outputs the controlled power. A drive circuit 18 switches a switching device based on the switching frequency and switching on time fixed from an output setting circuit 19, The output power from the switching power source is stabilized so that the output of laser may not depend on the AC voltage of the power source.
Patent JP-S5771804-A (JP)
Title: Controlling apparatus of oxygen concentration
Inventor: TOMOMURA MASAOMI
IPC: B01D53/04
Filed: 1980-10-24
Abstract: PURPOSE: To control the oxygen supply at a constant oxygen concentration and prevent the occurrence of surging, by changing the number of revolutions of a compressor according to the quantity of consumed oxygen to adjust the quantity of air supplied to adsorbing columns.  
     CONSTITUTION: Air is introduced through a solenoid flowmeter 28, supply pipe 3, compressor 4, solenoid pressure gauge 29 and waterdrop separator 5 into nitrogen adsorbing columns 1 and 2 to remove nitrogen therefrom. The air is then fed through a tank 12, flow control valve 13 and solenoid flowmeter 14 from a feed port 15 having an oxygen sensing element 27 into an oxygen utilizing apparatus 16, dispersed in a culture fluid 18 with a baffle 22 and then discharged through a discharge port 17 having an oxygen sensing element 19 and a solenoid flowmeter 20. The sensed values in the sensing element 17, flowmeter 14, sensing element 19 and flowmeter 20 are sent to a controlling apparatus 24 to calculate the quantity consumed oxygen. The valve 13 is adjusted to minimize the quantity consumed oxygen. The value 13 is adjusted to minimize the quantity of discharged O 2  gas. On the other hand, delivery pressure and quantity of supplied air sensed by the pressure gauge 29 and flowmeter 28 of the compressor 4 are sent to the apparatus 24 to calculate the number of revolutions of the compressor 4 and control the number of revolutions thereof beyond the surging range. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H0313933-A (JP)
Title: Projection type display device
Inventor: MIYASAKA TAKASHI
IPC: G03B33/12
Filed: 1989-06-13
Abstract: PURPOSE:To prevent the occurrence of turbulent flow of cooling air, to improve cooling efficiency and to miniaturize a device by arranging condenser lenses at the light emitting port of a color separation part having a wave-length selective reflection surface which separates light from a light source into at least two, and closing the light emitting port. CONSTITUTION:The light from the light source 1 is separated by the color separating part. The blue light is reflected by a mirror 6 via a dichroic mirror 2, the green light is reflected by a dichroic mirror 3 and the red light is reflected by mirrors 4 and 5. After that, each light is made incident on a dichroic prism 13 via liquid crystal valves 7 - 9. The blue, green and red lights made incident on the dichroic prism 13 are composed, and condensed to the incident pupil location of a projective lens 14. Each light emitting port 30 of the color separation part is closed by the condensing lenses 12a, 12b and 12c. Therefore, the cooling air flows smoothly on the surfaces of the liquid crystal valves 7, 8 and 9, the turbulent flow does not occur, and the cooling efficiency is improved.
Patent JP-H0816897-A (JP)
Title: Antitheft device for automatic vending machine
Inventor: TAKAHASHI MASANOBU
IPC: G08B13/14
Filed: 1994-06-30
Abstract: PURPOSE:To prevent an accident caused by a theft by providing a sensor detecting the vibration of an automatic vending machine and providing a control part executing abnormality processing when the sensor detects vibration. CONSTITUTION:At the time of the occurrence of an illeagal action such as hitting the vending machine with a hammer, break-opening it with a bar, etc., the sensor 3 detects the occurrence of a shock or vibration so as to generate the voltage of a level corresponding to its intensity. The control part 4 compares a threshold value V1 and a signal level Vt generated by the output of the sensor 3, detects V1(-)Vt to judge the occurence of abnormality and reverses the level of an output connected to the control terminal of a sound synthetic part 5 through a prescribed period. A prescribed message is previously written in the sound synthetic part 5. Then, the sound synthetic part 5 whose level of the control terminal is reversed alarms by speaking 'abnormality occurs' as the prescribed message through a speaker. But, the 'prescribed period' of the control part 4 is set to a time when the message of once or plural times are spoken from the synthetic part 5.
Patent JP-H0442174-A (JP)
Title: Developer image transferred member and image forming device
Inventor: MUKAI HIDEO
IPC: G03G15/01
Filed: 1990-06-08
Abstract: PURPOSE:To prevent a developer from scattering owing to transfer by providing a conductive base material and an insulating layer which is superposed on the conductive base material on a side where a developer image is transferred. CONSTITUTION:A transfer belt 12 consists of the conductive base material 6 with conductivity and the insulating layer 7 which is formed thereupon and at a transfer position of an (n)th image formation unit U, a toner image 4a is transferred by an electrostatically charged transfer material 10 on the transfer belt 12 to form a composite toner image 22. Consequently, potential differences between the transfer position of the developer image and transfer materials which are placed before and behind it can be made small to obtain a superposed image without scattering the developer image owing to transfer. Further, the conductive base material 6 has preferably <=10<10> OMEGAcm conductivity and the insulating layer 7 has preferably >=10<13> OMEGAcm insulating property.
Patent JP-H07328761-A (JP)
Title: Manufacture of gutter for molten metal
Inventor: ITO SHIGERU
IPC: B22D35/00
Filed: 1994-06-06
Abstract: PURPOSE:To provide a manufacturing method of a gutter for the molten metal which eliminates the loosening of the part joined by a plurality of small bricks while it is handled, eliminates the loosening of the mortar by the thermal expansion between the bricks in the actual use, and prevents the metal insertion. CONSTITUTION:In a brick structure which is composed by joining a plurality of small bricks 6, a recessed part 7 which is expanded at the angle ranging from 5 deg. to 15 deg. is provided at the joined part toward the end, separately manufactured bricks 4 to be inserted are embedded in the recessed part 7, and the joined parts are reinforced. This constitution reduces the number of repairing the furnace, reduces the original unit of the refractory, and obtains the stable service.
Patent JP-H07332903-A (JP)
Title: Guide ruler for circular saw
Inventor: SASAGE HITOSHI
IPC: G01B3/06
Filed: 1994-06-07
Abstract: PURPOSE:To facilitate the angular regulation of a guide ruler to a predetermined angle, and to extremely easily carry and properly arrange by folding the ruler and simply superposing the component members of the ruler. CONSTITUTION:A guide ruler 1 which has a slender liner slide window hole 4 at the inside, a cutout inserting hole 6 at one side and an angle display window 11 at a lower part, a base arm 9 having an angle display graduation 11 attached at a right side face, and a slide arm 18 with a handle are separately provided, and these members are connected vie screws 20, 21, 22.
Patent JP-H04371250-A (JP)
Title: Powder feeder
Inventor: KURIHARA KAZUAKI
IPC: B05B7/26
Filed: 1991-06-20
Abstract: PURPOSE:To obtain a powder feeder capable of stably supplying a fine powder at a extremely low rate by introducing the powder into the powder feed groove of a turntable from a powder inlet passage, mixing the powder with a carrier gas at the crossing to a carrier gas inlet passage and discharging the mixture. CONSTITUTION:The powder in a container 26 is passed through a powder inlet passage 32, introduced into a narrow powder feed groove 22 and conveyed to a crossing of the groove 22 and a carrier gas inlet passage 34, namely a mixing chamber 38, by rotating a turntable 14. The carrier gas flows in the opposite direction to the powder flow in the mixing chamber 38, the powder is blown up from the groove 22 by the power of the carrier gas and mixed with the carrier gas, and the mixture of the powder and carrier gas is conveyed from an outlet pipe 36. The supply of the powder is controlled by lowering the turning rate of the turntable 14 and adjusting the size of the groove 22, and the fine powder is stably supplied at a low rate.
Patent JP-H07336401-A (JP)
Title: Modulation/demodulation system and modem
Inventor: SEKINE MASATOSHI
IPC: H04L27/18
Filed: 1994-06-07
Abstract: PURPOSE:To provide a modulation/demodulation system and a modem which can stably generate a reference signal for synchronizing detection and also can demodulate the data in simple circuit constitution. CONSTITUTION:A distributor 607, a synthesizer 608 and a frequency converter 610 generate a reference signal of the frequency equal to the carrier frequency fc from an input reception pilot signal. A phase shifter 609 shifts the phase of the output signal of the synthesizer 608 by an extent equal to the amount that is controlled based on the output signal of a phase shift amount setting circuit 614 and supplies the shifted signal to the converter 610. A synchronizing detection circuit 604 applies the synchronizing detection to an IF reception signal based on a synchronizing detection reference signal. Then the circuit 614 sets the phase shift amount of the phase shifter 609 within a fixed time when the data value is kept at a fixed level since a system was started based on the output base band signal of an LPF 611.
Patent JP-S5573680-A (JP)
Title: Azepino 1*2*33 m betaacarboline derivative and its preparation
Inventor: SATOU YASUHIKO
IPC: A61P9/08
Filed: 1979-11-15
Abstract: NEW MATERIAL:An azepino [1,2,3-lm]-beta-carboline derivative shown by the formula I (R<1> is H, 3-7C cycloalkyl, phenel, etc.; A is single bond group or 1-5C alkylene) and its acid addition salt. EXAMPLE:1,2,3,3a,4,5,6,7-Octahydro-3-cyclohertyl-7-oxo-azepino [ 1,2,3-lm ]beta- carboline. USE:Cerebral activators and drugo for improving circulation of blood. Particularly strengthening the supply of oxygen to the brain, useful for curing and preventing anoxic aroxia caured by cerebral apoplexy, the head trauma, etc. PROCESS:A compound shown by the formula II-a, or II-b (R<1> is H or phenyl; R<2> is 1-5C alkyl; A' is 1-5C alkylene) is reacted with acetic anhydride or polyphosphoric acid at 50-150 deg.C and undergoes an intramolecular ring closure to give a compound slown by the formula I-a.
Patent JP-H04238985-A (JP)
Title: Electromechanical actuator for opening and clos- ing door structure
Inventor: JIORUJIO GAI
IPC: E05F15/12
Filed: 1991-06-20
Abstract: PURPOSE: To easily arrange a power source for an electromechanical actuator for opening and closing a door structure at a low-cost. CONSTITUTION: A photovoltaic cell panel 12 serving as a current generating means for supplying a power to an actuator case 1 independently from a main power source is provided as a power source for an electromechanical actuator for opening and closing a door structure 4. A case 1 incorporates a chargeable battery 8 and the photovoltaic cell panel 12 always charges the battery.
Patent JP-S6040552-A (JP)
Title: Production of vtr cylinder
Inventor: KOBAYASHI YOSHISADA
IPC: G11B5/52
Filed: 1983-08-16
Abstract: PURPOSE:To secure a low coefficient of friction for a tape driving surface to eliminate defects and at the same time to reduce the cost, by using a resin having a limited range of coefficient of friction to a cylinder main body and forming simultaneously both the tape driving surface and a tape lead part. CONSTITUTION:For production of a VTR cylinder, tetrafluoride resin having a 0.15-0.25 coefficient of friction is injected into a cavity part 4 through an injection port 11. Thus both a tape driving surface 7 and a tape lead part 8 are formed simultaneously at the outer circumferential part 6 of a cylinder main body 5 which is molded by a ring 3 for metallic mold put into a main metallic mold 1. Then the mold 1 is opened and a molded VTR cylinder is extruded by an extruding pin 9. In such a way of production, the surface 7 has a low coefficient of friction with no defect. Furthermore, the number of manufacturing man- hours is decreased with reduction of the cost for the VTR cylinder.
Patent JP-H01319084-A (JP)
Title: Cleaning device for picture forming device
Inventor: SHIRAHA RIE
IPC: G03G21/10
Filed: 1988-06-18
Abstract: PURPOSE:To prevent insufficient cleaning of the title cleaning device by providing a cleaning blade so that particles finer than toner can pass under the blade and at the same time, a section where removed toner can stay for an appropriate time adjacent to the blade. CONSTITUTION:For example, a proper quantity of particles of silica, zinc stea rate, etc., of 10-500 mum in particle size and >=10<12> OMEGAcm in volume resistivity are added to toner before the toner reaches the position of a cleaning blade 3 and at the same time, the pressure-contacted angle and the shape of the contacted edge of the blade 3 to an image carrier 1 are appropriately decided, so that the particles can pass under the blade 3 while the toner is removed from the carrier 1 by the blade 3. In addition, a toner staying member 8 is provided on the upstream side of the blade 3 and the toner scraped off by the blade 3 is caused to stay in the member 8 for a while so that feeding of the fine particles acting as a lubricant can be made without trouble. Thus insufficient cleaning can be prevented.
Patent JP-S5672276-A (JP)
Title: Nonsliding pump
Inventor: HIRAKAWA YOSHIHIRO
IPC: F04B53/14
Filed: 1979-11-16
Abstract: PURPOSE: To obtain a multipurpose high pressure large capacity pump by a mechanism wherein a piston is reciprocated in a nonsliding manner by the rolling functioning of membranes bent and interposed in a small void between the piston and a cylinder.  
     CONSTITUTION: A proper void 6 is formed between an outer surface of a piston 5 and an inner surface of a cylinder 1 in the cylinder 1. Bendable membranes 7, 8 are facingly folded and interposed into the void 6, the inner circumferential sections of the membranes 7, 8 are each fixed to the front and rear sections of the piston 5, the outer circumferential sections are fastened to a wall of the cylinder 1, and a chamber 13 is formed between the membranes 7, 8, and kept at negative pressure through a suction port 14. When the piston 5 is reciprocated in the cylinder 1, the folding sections of the membranes 7, 8 follow up rolling in the void 6, and frictional resistance is not generated between the outer surface of the piston 5 and the inner surface of the cylinder 1. Thus, a large stroke is obtained in spite of a small inner diameter of the cylinder. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H0814779-A (JP)
Title: Heat pipe
Inventor: TAKATANI YOSHIAKI
IPC: F28D15/02
Filed: 1994-06-30
Abstract: PURPOSE:To provide a heat transporting structure in which a fine control for heat transferring operation can be carried out without having any mechanical movable part and this is not influenced by its mounting location or its mounting direction. CONSTITUTION:Both ends of a pipe 10 having a double-pipe structure with a magnetic fluid sealingly enclosed therein are provided with heat exchanging parts 14, 15 having irregular protrusions or indents for performing a heat transmittance with the magnetic fluid therein. An outer pipe 12 made of a material capable of passing a magnetic line and an inner pipe 13 made of a material shielding a magnetic line and hardly heat exchanged are communicated with the heat exchanging parts 14, 15. A magnetic field applying device for applying a magnetic field to the magnetic fluid is fixed to the outer pipe 12, and its driving control is carried out by a control device 23. The magnetic fluid radiating heat at a low temperature side and cooled due to a difference in magnification by temperature of the magnetic fluid passes through the outer pipe 32, moves toward a high temperature side, then the fluid heated and warmed at the high temperature side passes through the inner pipe 13 and moves to the low temperature side.
Patent JP-S6041281-A (JP)
Title: Semiconductor laser element
Inventor: KURODA TAKAROU
IPC: H01S5/00
Filed: 1984-07-20
Abstract: PURPOSE:To obtain a laser light of high output having stable lateral basic mode by forming a double hetero laser suspended active layer thickness bent at the active layer to 0.04-0.07mum. CONSTITUTION:The first clad layer 233 having a recess on a substrate 21 having a strip groove, an active layer 24 and the second clad layer 25 are formed. In this case, the first, second clad layers 23, 25 have forbidden band width larger than that of the layer 24 and smaller refractive index than that. Further, the suspended light emitting region thickness of the layer 24 is fored to 0.03- 0.07mum. Thus, a laser light of high output having stable lateral basic mode can be obtained.
Patent JP-H0715497-A (JP)
Title: Telephone set
Inventor: SHIGETAKE HIDEKI
IPC: H04M1/274
Filed: 1993-06-21
Abstract: PURPOSE:To provide a calling destination list closer to an ideal list for a caller by using accumulated speech time depending on plural factors such as calling frequency and average speech time as an evaluation criterion of weighting to calling destination information. CONSTITUTION:The telephone set is made up of a calling destination name relating means 3 cross-referencing a telephone number of a calling destination and its name, a calling destination storage means 5 storing calling destination information, a storage information means 6 and a calling destination selection means 8, the calling destination information is weighted based on the evaluation criterion depending on plural factors such as calling frequency and average speech time for a calling destination, and then the calling destination list is provided in a form closer to an ideal state for a caller than a telephone set forming a destination list by making weighting with the evaluation criterion based on a conventional single factor.
Patent JP-S5938619-A (JP)
Title: Measuring device for wood chips
Inventor: KAWAMORI HIDEKI
IPC: G01G11/00
Filed: 1982-08-28
Abstract: PURPOSE:To measure accurstely the amount of conveyed wood chips per unit time and the bulk density thereof by a method wherein the shock of the wood chips supplied in the surplus state and the loadage thereof, etc. are absorbed by an internal belt conveyor and thereby the measuring percision of a weighting machine arranged in the latter-half part is improved. CONSTITUTION:A level roll 12 is moved vertically so that its height is adjusted to a position matched with a desired amount of wood chips 9 conveyed per unit time. This position is detected by a position detector 13, and a position signal taken out thereby is output to an operator 22. Since the area of the platform of a weigher 20 is set beforhand in the operator 22, the volume of the amount of the wood chips 9 conveyed per unit time is calculated according to the input of the position signal. Under these conditions, the wood chips 9 supplied via a transportation conveyor 8, etc. are found in the surplus state in a reservoir unit 10 regulated by side walls 6 and 6' and elastic bodies 7 and 7' in the front- half part of a belt conveyor 4, and the reservoire unit 10 is transferred in parallel in the forward direction, since the belt conveyor 4 rotates in the direction A at a prescribed speed.
Patent JP-H04349033-A (JP)
Title: Front wheel accelerating device of riding agricultural machine
Inventor: IKEDA KAZUNARI
IPC: G01P13/04
Filed: 1991-05-24
Abstract: PURPOSE:To prevent over-revolution at completion of revolving of a machine body, damage of a transmission system, and abrupt swing of the machine body by making the front wheel acceleration disengage cutting angle greater than the front wheel acceleration start cutting angle, and disengaging the front wheel acceleration before the front wheel cutting angle is restituted to the front wheel acceleration start cutting angle. CONSTITUTION:When a steering is rotated largely, a tie rod 21 pushes ahead a sensor board 34, and a slider 36 moves forward while compressing a compression spring 37. Thus a sensor switch 27 is actuated, and the front wheel or wheels are accelerated to the speed twice as large. When the front wheel cutting angle enlarges, a major dia. convex 32 of the slider 36 contacts a major dia. step part 28, and a sliding cylinder 31 moves forward in a single piece with the slider 36. Now a ball 25 is pushed out of a notch 26a situated ahead and fitted in a notch 26b situated behind, and the sliding cylinder 31 and a sensor board 29 ahead will move forward for a distance A. When the steering is rotated back in this condition, the slider 36 is moved back by the pressing force of the compression spring 37 to cause the sensor switch 27 to be deactuated, which should restitute the revolving speed of the front wheel or wheels to a value in synchronization with the rear wheels.
Patent JP-S6210497-A (JP)
Title: Motor-driven blower
Inventor: FUKUMOTO MASAMI
IPC: F04D29/30
Filed: 1985-07-08
Abstract: PURPOSE:To reduce noise by fixing the blades of an impeller, inclined with respect to the front and rear shrouds in the vicinity of the outer periphery and vertically fixing said blades at other parts. CONSTITUTION:In an impeller 3, a plurality of blades 13 are installed between a front surface shroud 11 and a rear surface shroud 12 and fixed in the vicinity of the outer periphery, inclined for the front surface shroud 1 and the rear surface shroud 12. Said blades 13 are fixed vertically at other parts. Therefore, the air having a high density and the air having a low density which are formed before and behind the blade immediately after the discharge from the impeller are mixed at the position before and behind the blade, according to the inclination of the blade 13, and flows into a diffuser, reducing noise.