baber/WOPTO huggingface dataset:
Patent JP-H03265279-A (JP)
Title: Synchronizing signal detector circuit
Inventor: SAKURAI HIROSHI
IPC: H04N5/08
Filed: 1990-03-14
Abstract: PURPOSE:To detect an input synchronizing signal independently of the polarity of an inputted synchronizing signal and its DC level and to obtain a synchronized picture by detecting a middle part of a leading and a trailing level of the inputted synchronizing signal from a synchronizing signal detection circuit and generating the synchronizing signal. CONSTITUTION:When a synchronizing signal (1) is inputted to a synchronizing signal detection circuit, it is fed to a differentiating circuit 2 and an output waveform shown in (2) is obtained. A 1st branch point is provided to an output circuit of the circuit 2 and a 1st branch branched therein is inputted to a differentiating circuit 3, differentiated and an output waveform shown in (3) is obtained and it is fed to a comparator circuit 4. One of the outputs therefrom is given to an ExOR circuit 5, and the other is fed to the circuit 5 via a delay circuit 6 and the leading and trailing edge is detected (5) by the exclusive OR of the input signals and an output waveform shown in (5) is obtained. Moreover, a 2nd branch branched from the 1st branch point is fed to 1st and 2nd comparator circuits 7, 8, an OR circuit 9 takes OR and an output signal (7) is obtained by a monostable multivibrator circuit 11.
Patent JP-H09230704-A (JP)
Title: Soaring system wet type toner developing device for electrophotography
Inventor: TABATA YUKIO
IPC: G03G15/10
Filed: 1996-02-27
Abstract: PROBLEM TO BE SOLVED: To develop an electrostatic latent image of an electrophotography in a state of perfectly holding the developer in non-contact with a photoreceptor. SOLUTION: This device is composed so as to holding the wet type developer for the electrophotography carried on a developer carrier 4, in non-contact with a surface of the electrostatic latent image carrier forming the electrostatic latent image on the photoreceptor 2 provided on substrate 1, to make a centralized electric field generated in between a sharpened developing electrode 3 provided in its carrier and the electrostatic latent image, to make the developer 5 (consisting of carrier liquid and toner) producing liquid drops from a concentrating point, to make soaring toward the latent image carrier, and to develop the carrier.
Patent JP-S51139759-A (JP)
Title: Comparison circuit
Inventor: MASHITA YUKIO
IPC: H03M1/46
Filed: 1975-05-28
Abstract: PURPOSE: To protect the degradation of conversion accuracy in a comparator for A-D converters by applying the voltages to be compared to its input, after having been partially magnified. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-H09260400-A (JP)
Title: Compound semiconductor element and its manufacture
Inventor: MORI MITSUHIRO
IPC: H01L21/301
Filed: 1996-03-21
Abstract: PROBLEM TO BE SOLVED: To obtain a compound semiconductor element which is simple in a process and is inexpensive by forming conductor wiring in the region from a part of an electrode formed on the main surface of the chip of the compound semiconductor element to the end of the chip and in the side surface of the chips. SOLUTION: A drain electrode 11, a gate electrode 12, a source electrode 13, a drain electrode pad 11', a gate electrode pad 12, and a source electrode pad 13' are formed on the main surface 14 of a compound semiconductor. Conductor wiring 15 is formed to electrically connect the source electrode pad 13' to a ground surface 16. Conductor wiring 15 is connected to the source electrode 13 or the surface electrode pad 13' so that the same effect as a source viahole can be obtained. That is, a source inductance as the parasitic inductance of a compound semiconductor MESFET can be remarkably reduced, so that a high grain can be obtained at the time of high-frequency operation. Therefore a compound semiconductor element and a compound semiconductor integrated circuit element which are excellent in high-frequency characteristics can be manufactured by a simple process at a low cost.
Patent JP-S51140624-A (JP)
Title: Shutter device for optical device
Inventor: TAKAHASHI TETSUO
IPC: G03B9/10
Filed: 1975-05-30
Abstract: PURPOSE: To let a capping shutter for keeping a time interval for a shutter also act as a shutter blade for opening and closing of the shutter so as to simplify so as to simplify the mechanism. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-H01237493-A (JP)
Title: Reactor container made of concrete and construction thereof
Inventor: KANEKO SHIGEO
IPC: G21C13/02
Filed: 1988-03-17
Abstract: PURPOSE:To plan the reduction of a construction period by bridging a gate beam between the upper part of a reactor pedestal and an outer concrete sidewall and placing a piece of diaphragm floor concrete at the lower position of the gate beam. CONSTITUTION:A reactor pedestal 4 and a side wall 12 are constructed up to the height of a sealing plate 17 of a diaphragm floor 6 and a gate 16 is bridged thereon. Further, a plate 17 is previously hung on the beam 16 and a liner 13 and the plate 17 are welded to seal a suppression chamber. Next, a support column 20 is vertically set on the beam 16 and the plate 17, a piece of concrete is placed on the plate 17 and a floor 6 is formed to support the outer circumferential part of the floor 6 by the side wall 12. After a piece of the beam 16 is cut, the concrete is placed on the middle side wall 12 to construct a concrete-made vessel. Therefore, a constructing process is simplified to plan the reduction of a construction period.
Patent JP-S56159281-A (JP)
Title: Gasification device for rice hulls, etc.
Inventor: BAN TOSHIZOU
IPC: C10B53/02
Filed: 1980-05-15
Abstract: PURPOSE: The titled device capable of carrying out constant carbonization and producing a high-quality gas, by detecting reduction in rice hulls, etc. in a gas generator furnace caused by the discharge of a combustion residue by level gages, by operating a feed mechanism so that the rice hulls, etc. are supplied.  
     CONSTITUTION: A feed mechanism for rice hulls, etc. having the rotary valve 6, the hopper 5, etc. is equipped above the gasification furnace 1, and the upper level gage 11 and the lower level gage 12 and the gas collecting pipe 18 are on the upper position of the gasification furnace 1. A combustion residue in the combustion part A is taken out through a discharge mechanism for combustion residue having the air cylinder 7, the discharge plate 8 for combustion residue, etc. to the air inlet port also used as the discharge port 4 for combustion residue. Rice hulls, etc. are supplied in such a way that their amount in the gasification furnace 1 is always kept constant corresponding to the amount of discharged combustion residue, a combustion temperature in the combustion part A is maintained approximately constant, and the gas generation part B is heated at almost constant carbonization temperature. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H07243589-A (JP)
Title: Membrane type low temperature tank
Inventor: IMAMURA KENJI
IPC: F17C3/04
Filed: 1994-03-08
Abstract: PURPOSE:To inhibit a negative pressure from being generated at the lower surface of a ceiling even if low temperature liquid contained in a tank is brought into contact with the ceiling due to sloshing in the case of an earth quake. CONSTITUTION:In a membrane type low temperature tank for storing low temperature liquid such as LNG, liquid nitrogen or the like, a step 6 coaxially projecting inward is formed at the inner surface of the upper end of a vertical cylindrical tank. D/10>=1>= D/20 and 1 h, wherein 1 represents a length in the radial direction of the step 6; D, a diameter of the tank; and (h), a height from the lower end of the step to the lower surface of a ceiling.
Patent JP-H11245650-A (JP)
Title: Interior trim member for vehicle
Inventor: SUZUKI HIROSHI
IPC: B60S1/54
Filed: 1998-02-28
Abstract: PROBLEM TO BE SOLVED: To prevent the occurrence of unpleasant noises, to rationalize assembly works and to efficiently air-condition the inside of a cabin. SOLUTION: An interior trim member 40 is formed out of a lower part frame body 41 closely positioned to the lower end peripheral part of a pane of front glass 15 so as to be joined to the end peripheral part of an instrument panel 17, right and left side frame bodies 42 and the like closely positioned to both the side end peripheral parts of the pane of front glass 15 and covered over pillars at the right left sides, and of an upper part frame body 44 closely positioned to the upper end peripheral part of the pane of front glass 15 allowing attachment of interior trims 23 and 24 and the like, disposed upward in front of a cabin and an opening part 45 is formed inside roughly conforming to the outline shape of the pane of front glass 15. Besides, air-ventilating passages 41a, 42a and 44a and the like are defined inside, and air blow-off holes 47, 49, 50 and 54 and the like are opened to blow-off conditioned air from an air conditioner unit 25 toward the cabin 12.
Patent JP-H11245149-A (JP)
Title: Double-end surface grinding device
Inventor: YANAGIHARA KOJI
IPC: B24B7/17
Filed: 1998-02-26
Abstract: PROBLEM TO BE SOLVED: To provide high grinding accuracy by securing the forcible rotational drive of a work irrespective of the shape and/thickness of the work. SOLUTION: A carrier section 10 includes a work holder 11 disposed to house and hold a work W and a rotational drive section disposed to rotary-drive this work holder 11. The work holder 11 is provided with a work pocket 20 for housing and holding the work W and formed in the shape of a circular gear member having a follower gear provided in its outer periphery, and the rotational-drive section is provided with a pair of driving gears 30 and 31 engaged with the follower gear of the work holder 11 so as to sandwich the same and a driving mechanism 32 for rotationally, driving the driving gears 30 and 31 in synchronization. Thus, the work holder 11 is forced to be rotationally driven by the pair of driving gears 30 and 31 while rotationally supported in a fixed position.
Patent JP-H01239074-A (JP)
Title: Prevention of occurrence of crack of concrete product
Inventor: TANIZAWA JUNPEI
IPC: C04B40/04
Filed: 1988-03-18
Abstract: PURPOSE:To rapidly form uniform and continuous coating films, by coating concrete molded articles yet in a temperature rising state after steam curing with a composition having coating film-forming ability and making coating films on the surface of the molded articles. CONSTITUTION:The surface of concrete molded articles which have completed steam curing and are yet in a temperature rising state at, e.g., 50-60 deg.C is coated with a resin emulsion such as styreneacrylic acid ester copolymer, acrylonitrile-acrylic acid ester copolymer or vinylidene chloride copolymer or a composition such as urethane resin composition by spraying or immersion. Consequently, uniform and continuous coating films are formed for several minutes in coating of the resin emulsion.
Patent JP-H10125319-A (JP)
Title: Nickel hydroxide for positive electrode material and manufacture thereof
Inventor: FUNATSU EIJI
IPC: H01M4/52
Filed: 1997-03-18
Abstract: PROBLEM TO BE SOLVED: To maintain a discharge characteristic and a service life characteristic, and provide a stable performance by using nickel hydroxide for a positive electrode material, containing a specific amount of zinc and cobalt having a specific grain size and tap density. SOLUTION: A water solution containing nickel, zinc and cobalt, an caustic alkaline water solution and an ammonium ion feeding body are concurrently and continuously fed into a reaction tank. The nickel ion concentration of a reaction solution is preferably between 5mg/l and 50mg/l, the reaction temperature thereof is preferably maintained at 60 deg.C or lower, and the variation range of the temperature is maintained at ±1 deg.C.  In addition, the agitating vane of an agitator is formed to give a delivery head, preferably between 14m<2> /sec<2> and 70m<2> /sec<2> , and a residence time in the reaction tank is preferably kept as six hours or longer, thereby manufacturing a nickel hydroxide for a positive electrode material containing 1 to 5wt.% of zinc and 0.5 to 2wt.% of cobalt, having a half-value width equal to 0.9 or a larger degree, regarding the diffraction peak of the (101) plane measured by the use of X-ray diffraction, and further having tap density equal to or above 2.05g/ml, for example, regarding a grain size between 5μm and 20μm.
Patent JP-S59189645-A (JP)
Title: Device for heating transportation of semiconductor element
Inventor: YASUNAGA MASAAKI
IPC: H01L21/66
Filed: 1983-04-12
Abstract: PURPOSE:To perform the heating transportation of the elements including an extremely small one properly by feeding the elements through the guide to which heat is transmitted from a heating source successively as well as by opposing a beak part of an upper heating member in which a heat generating source is built, to the elements. CONSTITUTION:Elements 1 are put in a long guide 3 made of Al with stretching leads 2 on the right and left sides. The elements 1 are put on the center projecting part 4 of the guide and are slipped down in the guide 3 successively with being restrained its posture by a click 5. The guide 3 is attached to a heating table 6 with its lower part covered with said table 6. A center of an upper surface of the guide 3 is open in the longitudinal direction and to this opening, a sharp beak 22 of an upper heating member 21 opposes to an upper surface of the element 1. When an air bylinder 28 is operated, the upper heating member 21 rises so that a distance between the element 1 and the beak 22 becomes so wider that the element 1 gets in a state capable of freely descending movement.
Patent JP-S56160860-A (JP)
Title: Endless track type mold in continuous casting plant
Inventor: NAGAI SUSUMU
IPC: B22D11/06
Filed: 1980-05-15
Abstract: PURPOSE: To facilitate cooling of respective mold blocks on long side and short side by communicating the multiple mold blocks moving in an endless track type to the rotary joints of the water way provided in the longitudinal direction of a drive shaft.  
     CONSTITUTION: Multiple mold blocks 1 connecting respective molds on the long side by means of pins are moved in an endless track type by means of upper and lower pin wheels 7, 8. The intermediate part in the longitudinal direction of a water way 20 externally fitted with an outside cylinder 19 to a driving shaft 11 is bisected by a partition ring 22. Next, rotary joints 25, 26 connecting a cooling water supply pipe 27, and a discharge water pipe 28 are provided to both ends of the water way 20. Next, rotary joints 23, 24 are provided on the right and left of the ring 22, and cooling water is flowed into the mold blocks 1, 1 of groups A, B through the pipe  27, the water way 6, the joints 23, 23 and hoses 29, 29, is flowed through the  groups A, B by the hoses and is discharged through the water way 20, the joint 26  and the discharge pipe 28. The short side molds are of the constitution similar to  the one mentioned above, and these are simultaneously driven by bevel gears 39, 42. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H04301531-A (JP)
Title: Photoelectric colorimeter with error correcting function
Inventor: OTSUKA RIE
IPC: G01J3/51
Filed: 1991-03-29
Abstract: PURPOSE:To effectively correct the measured chromaticity by obtaining the correcting amount based on the measuring error of the wavelength of a crossing point between a straight line connecting an arbitrary reference point on the chromaticity diagram and the chromaticity measuring value of an arbitrary light source to be measured, and the locus of a point obtained by adding the measuring error to the chromaticity coordinates of a monochromatic light of a specific wavelength or the like. CONSTITUTION:The measuring error of the chromaticity for a monochromatic light of the wavelength of the chromaticity coordinates Qm(xm(lambda), ym(lambda)) on the chromaticity diagram are represented by  xm(lambda), ym(lambda). At this time, the outputs of photodetectors S1-S3 from an arbitrary light source 1 via optical filters F1-F3 are converted to chromaticity values via corresponding photoelectric converting circuits E1-E3, an A/D converting part, 2 and an operation control part 3. The wavelength lambda1 of a crossing point Q'1 between a straight line connecting the chromaticity measuring value P1 (x1, y1) and the chromaticity coordinates P0 (x0, y0) of an arbitrary reference point, and the locus of a point obtained by adding the measuring error  xm(lambda),  ym(lambda) to the chromaticity coordinates Qm(xm(lambda), ym(lambda)) of the monochromatic light of the wavelength lambda=380-780nm is operated. The measuring value P1 (x1, y1) is corrected with the correcting amount  x,  y operated according to the formula.
Patent JP-S58183634-A (JP)
Title: Production of anhydrous ethanol through multiple effect process
Inventor: MORITA MINORU
IPC: C07C27/00
Filed: 1982-04-19
Abstract: PURPOSE:The product from the final distillation column is taken out in the form of form of vapor and dehydrated in the adsorption column and simultaneously all or almost of the reflux at the final column is supplied with the fractions of the columns other than the final one to permit economic and easy production of anhydrous ethanol through the multiple effect process. CONSTITUTION:Distillation columns 1-3 in the multiple effect system are used and the product is taken out of the final column 3 in the form of vapor 3V, introduced into the adsorption column 5 where the product is dehydrated to give anhydrous ethanol. At the same time, almost or all of the reflux at the final distillation column 3 is supplied with the fractions of the columns 1, 2 other than the column 3. The reflux ratios in individual columns are set substantially to a smae level and the pressures in individual columns are set so that the vacuum becomes higher in order from the first to the final. The feed F such as fermentation mash is fed in parallel to individual columns. This process needs very reduced thermal energy, facilitates regeneration operations economically, saves facility costs and permits easy operation.
Patent JP-H04279271-A (JP)
Title: Manufacture of fiber reinforced composite material
Inventor: OTSUKI ETSUO
IPC: B22D27/02
Filed: 1991-03-07
Abstract: PURPOSE:To eliminate the breaking of fiber on the manufacturing process, and to provide the anisotropy composite material having the high strength with the direction of orientation of fiber by applying the action to orientate the fiber to the certain direction on the composite material manufacturing process, because there are many cases to require the high strength to the certain direction for the purpose of the composite material. CONSTITUTION:On the manufacture of the fiber reinforced composite material by using the discontinuous fiber, the coated layer including the metal having strong magnetism and compound are formed at the surface of the above, then the above fiber is orientated by applying magnetic flux, and then made to composite.
Patent JP-H04219705-A (JP)
Title: Optical fiber
Inventor: HENNTAI SHIYAN
IPC: G02B6/00
Filed: 1991-03-07
Abstract: PURPOSE: To make it possible to use the optical fiber for a dither flight body by providing the optical fiber with a circular cross section against an axial line, a doped core and a clad system adjacent to the core. CONSTITUTION: The optical fiber is provided with the doped core 30 and the clad system adjacent to the core 30 and the clad system includes an inside clad 32 and a 1st outside clad 34. A 2nd outside clad 35 is formed by a lead silica tube. When a preparatory molding tube is destructed and a bus for drawing out the optical fiber 22 is formed, the core 30 and the inside clad 32 are formed. Thereby the optical fiber 22 is surrounded by a coating system 37 consisting of a coating material of one or more layers including an optical glass part consisting of the inside clad 32 having a specific refractive index and the 1st and 2nd outside clads 34, 35 having respectively specific refractive indexes.
Patent JP-S56163845-A (JP)
Title: Manufacture of flanged parts
Inventor: KANAMARU NAONOBU
IPC: B23P11/02
Filed: 1980-05-19
Abstract: PURPOSE: To lower the manufacturing cost, enable to lighten the part and reduce the amount of necessary raw materials by a method wherein a main body member and a flange member are made individually and the flange member is jointed together to the main body member by press-fitting the projections in the fitting surface of the main body member.  
     CONSTITUTION: The fitting surface 24 is formed on the outer circumference of the main body member 22 and a circular shoulder 26 is formed below the fitting surface 24. At the center of the flanged member 30 to be jointed together to the main body member 22, the fitting hole 32 to be fitted to the fitting surface 24 is formed. On  the inner circumferential surface of the hole 32, a plurality of projections 36 are formed in properly spaced relation. A flanged part is manufactured by press-fitting both the members 22 and 30 with each other as each projection 36 of the fitting hole of the flanged member 30 cuts into the fitting surface 24 of the main body member 22. The press-fitting is completed by abutting the lower surface of the flanged member 30 against the shoulder 26. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H06273250-A (JP)
Title: Airtight sealing method
Inventor: SATO MAKOTO
IPC: G01L19/00
Filed: 1993-03-24
Abstract: PURPOSE:To seal microscopic space airtightly by an extremely simple method without using a special device instead of a conventional airtight sealing method formed by using high voltage. CONSTITUTION:A microscopic recess 23 is etched in the center of a glass substrate 22, and grooves 26 are etched in a multiple shape so as to surround the periphery of the recess 23. Silicon oil 25 is applied to a flat cover 21, and it is superposed upon the substrate 22 in a vacuum, and when space is secured in the respective grooves 26, a narrow clearance 24 at which the cover and the substrate contact with each other is filled with the oil. When this is exposed to an atmospheric pressure ambience, gas enters up to reaching pressure capable of being held by respective surrounding groove structures. Assuming that 0.39 atmospheric pressure can be held by a single stage clearance, since the clearance filled with the oil in a three-stage groove structure exists by four stages, a pressure difference of about 1.6 atmospheric pressure can be held as a whole, so that the central space 23 can be kept under vacuum.
Patent JP-S61225025-A (JP)
Title: Preparation of embossed mark
Inventor: OOMIKAWA MIKIO
IPC: B29C59/02
Filed: 1985-03-29
Abstract: PURPOSE:To prepare a surface embossed mark in integral relation to a base material, by pressing a plastic base material by a mold, of which the embossed pattern is reverse to a designed embossed mark to depress the mark parts from the surface of the base material and grinding the surface of the base material other than the mark parts to make the surfaces of the mark parts flush with the new surface of the base material. CONSTITUTION:A preheated temple 2 is pressed by a mold 1, of which the embossed pattern is reverse to a desired embossed mark, to depress mark parts and subsequently cooled to room temp. Next, the surface layer 2a of the temple 2 other than the depressed mark parts is removed by grinding and polished not only to make the surfaces of the mark parts flush with the new surface of the temple 2 but also to simultaneously finish a temple configuration. Subsequently, the temple 2 is again heated to naturally raise up the mark parts 2b and an embossed mark is prepared.