baber/WOPTO huggingface dataset:
Patent JP-H08120077-A (JP)
Title: Production of polyimide precursor powder
Inventor: FURUKAWA MIKIO
IPC: C08J3/12
Filed: 1994-10-27
Abstract: PURPOSE: To obtain a polyimide precursor powder by a simple process in which a suspension having a high polyimide precursor content can be obtained using a water-soluble ketone as a solvent. CONSTITUTION: A tetracarboxylic dianhydride is dispersed or dissolved in a water-soluble ketone. A diamine is added thereto to polymerize the anhydride and the diamine to obtain a dispersion having a polyimide precursor content of at least 10wt.%. The solvent is then removed.
Patent JP-H04142047-A (JP)
Title: Electronic component device
Inventor: AOYAMA HIDEHIKO
IPC: H01L21/60
Filed: 1990-10-02
Abstract: PURPOSE:To reduce the number of connecting places and the number of connecting processes by a method wherein some conductors out of conductors for one TAB component protrude to the outside and form protrusions for connection use and they are piled up on and connected to conductors of the other TAB component. CONSTITUTION:A TAB(tape automated bonding) component 24 is cut along an outer lead hole 38 while parts, at the outside from the outer lead hole 38, of outer leads 34a,... have been left on a carrier tape 22. At the TAB component 24, one remaining cutting face 39a is situated on the side of an inner lead hole from the outer leads 34a,.... At the TAB component 24, the outer leads 34a as protrusions for connection use protrude to be finger-lead shapes to the outside from the cutting face 39a. Thereby, it is possible to reduce the number of connecting places and the number of connecting processes.
Patent JP-H02110390-A (JP)
Title: Magnetism sensor
Inventor: SADAI ZEN
IPC: G01R33/06
Filed: 1988-10-19
Abstract: PURPOSE:To obtain a magnetism sensor wherein strain and fluctuation are less with respect to the change in intensity of an input signal by forming a plurality of magnetoresistance thin films having the different widths on a board, and using the synthesized output of the magnetoresistance thin film patterns as an output signal. CONSTITUTION:A sensing part is constituted by connecting a magnetoresistance thin film pattern 2A having thin width, a magnetoresistance thin film pattern 2B having the intermediate width and magnetoresistance thin film patterns 2C and 2D having the large widths with connecting parts 10A, 10B and 10C. The characteristics of the patterns 2A, 2B and 2C become characteristics 6A, 6B and 6C. When the output which is synthesized in series is measured between terminal parts 41 and 42, 6X is obtained. When a weak signal magnetic field 8S is applied, the output waveform becomes 9S. When an intense signal magnetic field 8L is applied, the output waveform becomes 9L. The waveforms 9L and 9S are the waveform outputs without distortion with respect to the input waveform. The output whose duty at a zero crossing point is approximately constant is obtained.
Patent JP-H0985013-A (JP)
Title: Dehydration of sludge
Inventor: KUROKI TOSHIHIKO
IPC: C02F11/14
Filed: 1995-09-20
Abstract: PROBLEM TO BE SOLVED: To efficiently dehydrate sludge in order to lower the water content of the dehydrated cake in a belt press type sludge dehydrator. SOLUTION: An amidine type cationic polymeric flocculant being an acid hydrolysis heated substance of N-vinyl formamide/acrylonitrile copolymer is added to and mixed with sludge obtained by gravity dehydration operation in a belt press type sludge dehydrator in a pressure dehydration process to achieve the dehydration of sludge. The polymeric flocculant is characterized by that the intrinsic viscosity thereof in 1N saline soln. is 1-5dl/g and a colloide equivalent value of a cation is 3-8meg/g. Sludge to be dehydrated is desirably excessive activated sludge or mixed raw sludge of excessive activated sludge and sedimented sludge.
Patent JP-2000094371-A (JP)
Title: Shortest time controller of robot
Inventor: HAGIWARA ATSUSHI
IPC: B25J13/00
Filed: 1998-09-18
Abstract: PROBLEM TO BE SOLVED: To use torque effectively and perform the work in the shortest time by forming a command to be delivered to a servo control means using acceleration and deceleration constants. SOLUTION: A corresponding relation storage means 4 stores the results obtained by measuring actually or calculating in advance corresponding relation between a controlled variable and load weight using a value of the controlled variable at the time of no load as the reference. A load assumption calculation means 3 assumes a weight of a workpiece based on the controlled variable inside a control means 2 and the corresponding relation of the corresponding relation storage means 4. An optimum operation constant determining means 5 determines the optimum operation constant based on the weight of the workpiece assumed by the load assumption calculation means 3.  A command preparation means 1 changes values of acceleration and deceleration constants which are set in advance to values of acceleration and deceleration constants determined by the optimum operation constant determining means 5 to prepare a command newly and again. A control means 2 of a servo motor 6 driving a robot arm uses proportional control of position and proportion of speed and integral control usually.
Patent JP-H01111051-A (JP)
Title: Extensible warp knitted fabric
Inventor: SHIMIZU TAKEHIKO
IPC: D04B21/00
Filed: 1987-10-20
Abstract: PURPOSE: To obtain the subject stretchable knitted fabric which is a thin stretchable warp knitted fabric having a high bursting strength and suitable for clothes such as a brassiere, a girdle or a leotard by knitting specific polyamide multifilament yarns, natural fibers, etc., and elastic yarns into the warp knitted fabric. CONSTITUTION: This knitted fabric is obtained by knitting (A) polyamide multifilament yarns prepared by melt spinning a polyamide having 2.5-4.0 relative viscosity and then drawing the spun yarns and having >=6.0 g/d bursting strength and 10-30 denier total denier, (B) fibers which are natural fibers or composite fibers thereof with synthetic fibers and have a thickness of 2-13 times that of the component A and (C) elastic yarns having 20-280 denier total denier and >=350% breaking elongation (e.g. natural rubber or polyurethane- based elastic fibers) according to a knitting design, e.g. a tricot type.
Patent JP-2000095481-A (JP)
Title: Linear actuator with fall preventive mechanism
Inventor: ANDO TATSUYA
IPC: B66F17/00
Filed: 1998-09-18
Abstract: PROBLEM TO BE SOLVED: To provide a linear actuator with falling preventive mechanism capable of preventing the fall of an inner cylinder receiving a load when a driven nut is broken. SOLUTION: A fall preventive nut 12 is screwed in a driving screw axis 5 adjacent to a driven nut 9, a shear pin 13 radially-protruding is fixed against either of the driven nut or an inner cylinder 4, or the fall preventive nut in a cantilever state, and an axial shear pin guide groove S to be slidably-inserted with to be the protruding end side of the shear pin 13 is formed on the other. The inner cylinder and the driven nut are displaced in the direction of the load acting on the inner cylinder to the fall preventive nut, so that the shear pin is allowed to abut on the end part of the shear pin guide groove to be broken, and the inner cylinder or the driven nut is allowed to abut on and supported on the fall preventive nut to prevent the inner cylinder from falling.
Patent JP-H06115820-A (JP)
Title: Remaining thread detecting method
Inventor: MAEDA YOSHIYASU
IPC: B65H67/06
Filed: 1992-10-02
Abstract: PURPOSE:To surely detect existence of remaining thread wound on a bobbin color coded at every sort. CONSTITUTION:In the detecting method of existence of remaining thread 6 wound on a bobbin 1 color coded at every sort, remaining thread sensors 10a-10c setting sensitiveness according to respective color codes of the bobbins are provided, and the remaining sensor is selected based on judgement of the sort so as to detect existence of the remaining thread.
Patent JP-S62128936-A (JP)
Title: Metallic mold for press
Inventor: YASHIKI TAKASHI
IPC: C03B11/08
Filed: 1985-11-27
Abstract: PURPOSE:To mold a press-molded article which is superior in shape precision and free from burrs in case of press-molding a softened material with a pressing apparatus consisting of an upper mold, a lower mold and a drum mold by fitting a stopper to the upper mold or the lower mold and controlling the bottom dead point and the top dead point of the upper mold or the lower mold in a pressing period. CONSTITUTION:The aimed press-molded article is made in such a pressing metallic mold that is constituted of an upper mold 6, a lower mold 5 and a drum mold 1 and a shape in a period of clamping with the stoppers 9, 9A are fitted to the upper mold 6 or the lower mold 5. A heated and softened pressing material 2 is fed through a rectangle-shaped feed port 1a of the side of the drum mold 1, and a molded article 7 is made by clamping the pressing metallic mold and pressing the softened material 2. On this occasion, when the softened material 2 is press-worked by the descent of the upper mold 6 and in case of press-molding it by descending the upper mold 6 and ascending the lower mold 5, a press-molded article which is superior in thickness precision and free from burrs can be produced by controlling the stopping positions of pressurizing for the upper mold 6 and the lower mold 5, namely a bottom dead point and a top dead point with the stoppers 9, 9A, respectively.
Patent JP-H05105753-A (JP)
Title: Polyamide resin composition and blow-molded article
Inventor: UMETSU HIDEYUKI
IPC: C08K7/02
Filed: 1991-10-14
Abstract: PURPOSE:To obtain a polyamide composition having excellent heat-resistance, impact resistance, chemical resistance, freeze-prevention performance for road, low water-absorption and high dimensional stability by compounding a specific crystalline polyamide with a specific amount of an elastomer. CONSTITUTION:The objective composition is composed of a polyamide matrix phase and a dispersed phase composed of an elastomer dispersed in the matrix phase and having an average particle diameter of <=10mum. The composition is produced by compounding (A) 100 pts.wt. of a crystalline copolyamide having a melting point (Tm) of >=225 deg.C and a crystallization temperature (Tc) of <=220 deg.C and composed of (i) 50-90wt.% of hexamethylene adipamide component, (ii) 5-40wt.% of hexamethylene terephthalamide component, (iii) 4-30wt.% of hexamethylene isophthalamide component and (iv) 1-10wt.% of a polyamide component derived from a 6-12C cyclolactam and/or a 6-12C aminocarboxylic acid with (B) 5-100 pts.wt. of an elastomer. It is preferable to compound 100 pts.wt. of the composition with 1-100 pts.wt. of a fibrous reinforcing agent.
Patent JP-H03127184-A (JP)
Title: Feature extracting device for drawing
Inventor: YAMADA HIROZO
IPC: G06T7/00
Filed: 1989-10-13
Abstract: PURPOSE:To extract the feature of various pictures at high speed by repeatedly executing local parallel arithmetic in respective directions. CONSTITUTION:Single item AND circuits 9a-9h using local masks, item OR circuits 10a-10h, double item AND circuits 11a-11h and double item OR circuits 12a-12h are provided. By using circulation processings in these four kinds of the circuits, directional shrinkage/expansion arithmetic is executed. Namely, since the shrinkage/expansion arithmetic considering directionality is executed by combination among the repeated processing in these 8 parallel circuits using the local masks, various picture information with dot information and linear information in the beginning are calculated by the local parallel arithmetic. Thus, the high-speed processing can be executed while maintaining general usefullness.
Patent JP-H02109672-A (JP)
Title: Device and method for grinding and polishing
Inventor: WATANABE MASAKI
IPC: B24B13/00
Filed: 1988-10-20
Abstract: PURPOSE:To enlarge the application range by performing widely from grind generating to the grind polishing by profiling using a pan like tool by the same device. CONSTITUTION:Grinding of a cup like grindstone 29 for grinding and generating the spherical face or plane of a work 26 and of a pan like tool having uneven spherical face or plane corresponding to the spherical face or plane of a work 26, the selection of a polishing grindstone, the selection of the rotation driving of the work shaft 25 holding a tool shaft 28 equipped with a grindstone and the work 26, and grinding and polishing by the pan like tool from grinding generating are executed by the same device by the setting of a numerical control program. In this case, by following up the work shaft 25 or the tool shaft 28 moved vertically according to the angle rocking operation of the tool at the polishing and grinding times, the holding tools thereof are moved in the axial direction. Consequently the relative sliding between the work shaft 25 or tool shaft 28 and the holding tools thereof is eliminated and the pressurizing force on the work 26 becomes constant at all times.
Patent JP-H03134903-A (JP)
Title: Head lamp for automobile
Inventor: RAINAA NOIMAN
IPC: F21V7/00
Filed: 1990-10-04
Abstract: PURPOSE: To improve safety of a driver by forming a headlight in which a positional relationship of a light source to a focal point of a reflector can be varied for changing a light distribution. CONSTITUTION: A reflector 1 is divided into sections 4, 5 on a horizontal center plane and provided with the same parabola 7. On a vertical center plane 8, a parabola 9 of the section 5 is provided with a shorter focal length than the parabola 7 on the plane 3, while a parabola 11 of the section 4 is provided with a long focal length. A light source 2 can be moved vertically along an optical axis 12 with respect to the reflector 1. A focal point F can be shifted from the position 13a on the optical axis 12 to a position 13b vertically above it, and this shift is adjusted by means of an adjusting device 14. As the reflector 1 is divide into two sections 4, 5, a lens 15 spreads a light distribution in the horizontal direction into a fan-shape.  When the light source 2 is moved to the position 13b, a light distribution with a large light band width and maximum light intensity is generated, so that it is convenient in case of smog or rainy weather.
Patent JP-2000096119-A (JP)
Title: Blow-refining method for restraining sticking of metal in converter type refining furnace
Inventor: KIKUCHI ICHIRO
IPC: C21C5/30
Filed: 1998-09-18
Abstract: PROBLEM TO BE SOLVED: To provide a blowing method, by which the sticking state of metal is controlled in good condition without eroding the refractory in a furnace opening part and a sidewall in the furnace under condition of securing the productivity in a converter. SOLUTION: The blow-refining period is divided into the early stage and the latter stage, and in the early stage, the metals 8, 8' stuck to the furnace opening part and the inner wall are melted and removed by supplying oxygen from nozzle 7 for melting the stuck metal, and in the latter stage, the clogging of the nozzles is prevented by making mainly purge gas flow from the nozzles for melting the stuck metal. The boundary of the early stage and the latter stage is made to be 50-90% from the start of blow-refining and desirably, to the interval of 70-95%, and pure oxygen flowing ratio in the gaseous oxygen for melting the stuck metal flowing in the early stage in made to be 3-10% of the oxygen for blow- refining.  Further, the pure oxygen flowing ratio in the gaseous oxygen for melting the stuck metal in the purge gas stage is made to be <=50% of the stage for malting the stuck metal. The jetting direction θ of the oxygen for melting the stuck metal is direction downward at the angle of 40-90 deg.. Si in the molten iron is made to be <=0.15 wt.% and the slag in the previous heat is left to >=10 kg/t-steel in the furnace, and slag quantity in the furnace is made to be <=30 kg/t-steel.
Patent JP-H09111012-A (JP)
Title: Production of composite material
Inventor: NOZUE AKIYOSHI
IPC: C08J5/08
Filed: 1995-10-13
Abstract: PROBLEM TO BE SOLVED: To obtain a composite material having high insulation resistance and excellent soldering heat-resistance after moisture-absorption treatment by dispersing inorganic particles having an average particle diameter of <=1,000nm in a reinforcing material, impregnating a varnish containing an addition-type polyimide resin into the material, drying the product and forming the obtained prepreg. SOLUTION: A reinforcing material containing 1-30 pts.wt. (based on 100 pts.wt. of the reinforcing material) of inorganic particles having an average particle diameter of <=1,000nm is surface-treated, before impregnating a varnish, with a surface-treating agent containing an N-phenyl-γ-aminopropylsilane coupling agent expressed by the formula C6 H5 -NH-C3 H6 SiX3 (X is OCH3 , OC2 H5 , OC3 H7 or Cl).
Patent JP-H04142875-A (JP)
Title: Method and apparatus for generating multi-color electronic data
Inventor: KOBAYASHI YUJI
IPC: H04N1/387
Filed: 1990-10-03
Abstract: PURPOSE:To eliminate the need for designation of color attribute and texture with respect to each shape by designating a color and a pattern in the inside of a shape read from an original and synthesizing the picture in matching with plural pictures. CONSTITUTION:To a CPU 1, a picture read section 2 reading a picture of an original by means of a scanner or the like and replacing the result into an electronic data, an attribute designation section 3 designating attribute such as a color or a pattern in a read drawing, a matching section 4 matching picture data generated for each color attribute, a space delete section 5 deleting a space including a positioning mark being so-called register mark for the matching after the matching, and a synthesis section 6 synthesizing each version deleted by the space delete section 5 are connected. Then color division versions by colors are used and inputted to a computer, in which the position is matched and the picture is synthesized. Thus, it is not required for a job to designate a color attribute or a texture with respect to each shape and monopoly of a work computer.
Patent JP-H03126377-A (JP)
Title: Gradation correction device
Inventor: KAGEYAMA ATSUHISA
IPC: H04N5/00
Filed: 1989-10-12
Abstract: PURPOSE:To attain gradation correction even to a signal of a bright portion or an intermediate brightness level by providing a histogram arithmetic circuit, a histogram limiter, an adder, a subtractor, a clip circuit, an accumulation control register circuit and a normalized control register circuit. CONSTITUTION:A mean value, a mode value, a maximum value, a minimum value, a deviation coefficient, a black area and a white area are detected from a brightness distribution data in a histogram memory 8 by a histogram arithmetic circuit 15. Then a histogram limiter.adder.subtraction.clip circuit 16 generates a corrected histogram data and an accumulation control register circuit 17 varies a start and stop brightness level in response to a video signal to control the range of accumulation. Moreover, a normalized control register circuit 18 controls a maximum level of a luminance signal outputted from an accumulation histogram memory 10. Thus, sufficient gradation is corrected even to a signal of a bright portion or an intermediate brightness level.
Patent JP-S62126894-A (JP)
Title: Controller for synchronous motor
Inventor: NAKAJIMA KIHEI
IPC: H02P27/06
Filed: 1985-11-26
Abstract: PURPOSE:To obtain a stable response by detecting an armature current, calculating the phase and the amplitude of an induced voltage, calculating a voltage drop, combining both calculated signals to control the output voltage of an inverter. CONSTITUTION:An induced voltage calculator 14 calculates the phase and the amplitude of an induced voltage from the detected value of an armature current. An impedance drop calculator 15 calculates a voltage drop due to the resistance and impedance of a motor in response to a current value. The phase and voltage signal outputs are added by a digital adder 15 and an analog adder 17, a sinusoidal voltage reference value is produced by a read-only memory 18 from the resultantly obtained phase signal theta, the amplitude of a voltage is multiplied by a D/A converter 19 with multiplying function to obtain each phase voltage reference signal V*.
Patent JP-S61143296-A (JP)
Title: Hydraulic circuit for driving steering engine
Inventor: MISHINA HARUHIKO
IPC: B63H25/30
Filed: 1984-12-18
Abstract: PURPOSE:To separate a trouble spot away as well as to accelerate restoration in steering capacity, by making a hydraulic circuit so as to detect an operational malfunctioning spot in plural solenoid valves belonging to a steering engine, a solenoid selector valve or an actuator such like a variable pump. CONSTITUTION:Each of backup valves 15-1 and 15-2 is inserted into the point midway in each of oil passages 9-1 and 12-1 connecting pumps 2-1 and 2-2 to solenoid valves 3-1 and 3-2. In order to judge the directability of a flow of oil, each backup valve is set down to a differential pressure operating type selector valve, and a flow of a fixed direction alone is detected whereby a malfunctioning spot is made so as to be accurately judgeable in design. In addition, an orifice differential pressure operating type flow detector is inserted in the point midway in an oil passage connecting these solenoid valves 3-1 and 3-2 to a hydraulic cylinder 5. A steering command signal is interlocked with these orifice differential pressure operating type flow detectors 16-1 and 16-2 whereby a defective solenoid valve is detected, giving an alarm to a bridge house.
Patent JP-H0690447-A (JP)
Title: Monitor device for visual telephone
Inventor: NAKAGAWA YOSHIHIRO
IPC: H04M11/06
Filed: 1992-09-09
Abstract: PURPOSE:To provide the monitor device for visual telephone which monitors the same picture as the opposite party. CONSTITUTION:The visual telephone is provided with a picture photographing camera 16 and a display device 17, on which picture data is displayed, and compresses picture data and transmits it together with voice data and reproduced picture data received together with voice to give it to the display device. The monitor device is constituted as follows; transmission picture data from the camera 16 or the like is digitized by an A/D conversion part 362 and digital picture data is compressed by a picture compression part 342 and is transmitted, and received picture data is reproduced by a picture reproducing part 341 and is converted to analog picturedata by a D/A conversion part 361 and is given to the display device 17, and a central processing part 31 switches picture data from the picture compression part 342 to reception picture data to give this data to the picture reproducing part 341 in the case of the monitor mode. Thus, the self-portrait of a user is monitored in the same condition as the picture seen by the opposite party.
Patent JP-2001092316-A (JP)
Title: Image forming device
Inventor: SASAI TAKAHIRO
IPC: G03G21/00
Filed: 1999-09-20
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device which can judge the soiled state of an irradiation face in an exposing device. SOLUTION: A photoconductive film 31 on a photoreceptor drum 30 is uniformly charged by a charger 40 and the photoconductive film 31 on the photoreceptor drum 30 is irradiated with test light from an exposure unit 50. The potential of an electrostatic latent image formed on the photoconductive film 31 on the photoreceptor drum 30 is measured by an electrometer 60 with test light. The soiled state on the surface of a Selfocs lens array 52 is judged based on measured potential and potential which is previously set. Namely, it is judged whether a cleaning operation is to be executed or not. Thus, the soiled state on the surface of the Selfocs lens array 52 of the exposing device 50 can be judged.