baber/WOPTO huggingface dataset:
Patent JP-S5915640-A (JP)
Title: Timer device for fuel injection pump
Inventor: FUJIMORI KIYOUICHI
IPC: F02B3/06
Filed: 1982-07-16
Abstract: PURPOSE:To suppress a resonant phenomenon without impairing the control stability by continuously changing the frequency of a pulse signal for driving the pressure adjusting solenoid valve of a timer device in response to the rotation speed of an engine, i.e., the rotation speed of a fuel injection pump so that no resonant phenomenon occurs at required rotation regions. CONSTITUTION:A timer piston 7 is provided in the cylinder 6 of a timer device 4 to adjust the angular position of a roller holder 3, and the pressure applied to the timer piston 7 is controlled by a valve 16 opened or closed in response to a pulse signal from a control section 15. A resonant phenomenon occurs when the rotation number N and the frequency (f) of the pulse drive signal are at belt-like regions as shown by slant lines in the figure, thereby three characteristic curves (a), (b), (c) are prepared, and the optimum characteristic curve for each rotation number N is utilized to calculate the frequency under which no resonant phenomenon occurs.
Patent JP-H04325089-A (JP)
Title: Production of fructkinase
Inventor: TAKAHASHI MAMORU
IPC: C12N9/12
Filed: 1991-04-26
Abstract: PURPOSE:To readily and efficiently obtain the title enzyme having high specificity to fructose, accurately measuring fructose by culturing a bacterium belonging to the genus Pseudomonas, capable of producing fructokinase and collecting a product from the culture mixture. CONSTITUTION:A Pseudomonas sp. No921 (FERM P-3,310), a bacterium belonging to the genus Pseudomonas, capable of producing fructokinase, is cultured in a medium, the culture solution is centrifuged to collect cells, the prepared cells are suspended in 20mM tris hydrochloric acid buffer solution (pH8.0), ground by an ultrasonic grinder, centrifuged, a supernatant liquid is collected, ammonium sulfate is dissolved in the supernatant liquid, formed precipitate is separated by centrifuging, dissolved in 20mM tris hydrochloric acid buffer solution (pH8.0), dialyzed, passed through an anion exchange column, an adsorbed component is eluted and concentrated to give efficiently the objective fructokinase having high specificity to fructose but not acting on other saccharides.
Patent JP-S63289747-A (JP)
Title: Deflecting yoke
Inventor: HIROSE MASAYORI
IPC: H01J29/76
Filed: 1987-05-20
Abstract: PURPOSE:To widen the degree of freedom for impedance with the outside dia. of a bobbin retained small without impairing the degree of freedom for magnetic field in the Z-axis direction, by forming two rows of winding grooves at the periphery of a bobbin for vertical coil. CONSTITUTION:A horizontal coil bobbin part 15 to form a winding groove 14 for winding of horizontal coil and a vertical coil bobbin 18 having two winding grooves 16, 17 for winding of vertical coil are provided at the major dia. side of a yoke body 13. To the minor dia. side of the body 13 are connected a horizontal coil bobbin 20, which has a winding groove 19 for winding of horizontal coil, and a vertical coil bobbin 23 having two winding grooves 21, 22 for winding of vertical coil. A saddle-shaped core 24 is incorporated between the bobbins 18, 23. Accordingly the winding grooves 17, 22 can increase the number of turns if winding without enlarging the outside dia. of vertical coil bobbin and without prolonging in the Z-axis direction, that will widen the degree of freedom for impedance of the vertical coil.
Patent JP-S5824709-A (JP)
Title: Fluidized bed furnace
Inventor: HIROMOTO MASAHIKO
IPC: F23C10/18
Filed: 1981-08-07
Abstract: PURPOSE:To purge a furnace without lowering the temperature of a fluidized bed, by providing a gas inlet port to purge the furnace to the upper position of a furnace above the surface of a fluidized bed, end by introducing a part of gas to fluidize the bed into the gas inlet port through a branch piping. CONSTITUTION:An air inlet port 9 and an air feed piping 10 to purge a furnace are provided to the upper position on the side wall of a furnace above a fluidized bed 1, which consists of a fluidized bed part 2 and an air cylinder part 3. A purge operation is performed by closing an air inlet valve 8 which fluidizes the bed, and by opening a purge-air check valve 11, to actuate a fan 12 to rotate to blow off the air for purge. During this operation, the temperature of the fluidized bed will not be decreased, because the air for purge does not pass through the fluidized bed part 2. The furnace can be purged throughly, since the purging operation is taken place with the air cylinder part 3 as its target only.
Patent JP-H06314049-A (JP)
Title: Cleaning device
Inventor: TANAKA MASARU
IPC: G03G21/00
Filed: 1993-04-28
Abstract: PURPOSE:To more improve a cleaning performance and to prolong the life of a cleaning blade by making substance to be removed including toner reach the cleaning blade in an aggregated state. CONSTITUTION:The cleaning device 8 is provided with a magnet 14 for generating a magnetic force for carrying magnetic powdery substance besides the cleaning blade 10. That means, toner particles 17 on a photosensitive body 1 going toward the blade 10 are moved while coming in conflict with the magnetic powdery substance 16 carried by the magnet 14, and then, the toner particles 17 are stirred so as to be aggregated. The magnet 14 is arranged while keeping the positional relation with the photosensitive body 1 so that the particles 17 on the photosensitive body 1 may be stirred and aggregated before the particles 17 reach an edge par 10a. In the case that the substance to be removed is aggregated in such a way, the substance is satisfactorily scraped and removed by the blade 10, so that the cleaning performance is improved. And also, such the possibility that the edge part 10a is chipped is not brought into existence, so that the lives of the blade 10 and the photosensitive body 1 are prolonged.
Patent JP-S63290168-A (JP)
Title: Self-sweep type inverter
Inventor: AKITA TOMOHITO
IPC: H02M7/48
Filed: 1987-05-20
Abstract: PURPOSE:To improve efficiency of power source, by monitoring current flowing through switching elements in an inverter and turning a switching element OFF when the current level is zero. CONSTITUTION:An inverter 1 having switching elements S1-S4 juxtaposed with surge absorbing elements Z are turned ON/OFF by driving signals fed from an inverter drive circuit 4, and the output thereof is fed through a resonance inductance L and primary of a booster transformer T to a booster circuit (Shenkel circuit) 6 utilizing a charger pump and arranged at the secondary of the transformer T so as to charge a smoothing capacitor CL. Voltage across the capacitor is led through voltage dividing resistors R1, R2 to a control circuit 5, while furthermore a current detection circuit 2 and a zero-cross detection circuit 3 are provided in order to determine ON/OFF timing of the switching elements S1-S4. When current flowing through the switching elements S1-S2 (S3-S4) is zero, the switching elements S1-S2 are turned OFF while other switching elements S3-S4 (S1-S2) are turned ON, so as to enable automatic following to resonant frequency.
Patent JP-S63290169-A (JP)
Title: Frequency sweep type inverter
Inventor: AKITA TOMOHITO
IPC: H02M7/48
Filed: 1987-05-20
Abstract: PURPOSE:To reduce surge current, by driving an inverter based on an output from an oscillator having oscillation frequency variable with time corresponding to predetermined variation of load. CONSTITUTION:An inverter 1 having switching elements S1-S4 juxtaposed with surge absorption elements Z is turned ON/OFF through driving signals fed from a driver 2 and provides an output through a resonance inductance L to a booster transformer 51 in a booster circuit 5. The booster circuit 5 comprises the booster transformer 51 and a Shenkel circuit 52 and charges a capacitor CL. Voltage across the capacitor is fed through voltage dividing resistors RL-R2 to a control circuit 4, while an oscillator 3 produces a signal having gradually increasing frequency from a signal having preset frequency and feeds the signal to the driver 2. Provision of signal is stopped on the basis of a sweep signal and original frequency is recovered. Consequently, driving frequency of the inverter 1 is maintained continuously at an optimal level.
Patent JP-H11329794-A (JP)
Title: Charged particle accelator and assembly method thereof
Inventor: OKUBO KOICHI
IPC: H05H7/14
Filed: 1998-05-06
Abstract: PROBLEM TO BE SOLVED: To prevent pollution of an inner surface of a hollow body and allow providing initial performance always. SOLUTION: For this assembling method, three drums 37a, 37b and 37c, which can be split, constituted barrel portion 37 of an evacuated container 34. A superconducting acceleration hollow 21 is inserted into an inner side of the drum 37b, which is one of a plurality of drums, and assembled to the drum 37b in a clean room. An input coupler 31, a harmonics coupler 27 and a gate valve 28 are provided on each beam pipe 26 of the superconducting acceleration hollow 21 to seal a body 22 of the superconducting acceleration hollow 21. The superconducting acceleration hollow 21 assembled to the drum 37b is carried out from the clean room and the remaining drum 27a and 27c are assembled to the drum 27b to constitute a sealed evacuated container 34.
Patent JP-H06313538-A (JP)
Title: Device for fitting external member to duct
Inventor: SUGA SEIICHI
IPC: F23J13/02
Filed: 1993-04-28
Abstract: PURPOSE:To attach the external member of a duct without deformation and prevent the deformation of the external member even when the duct is deformed by heat. CONSTITUTION:Receiving ahafts 6 are attached to the outside of the main body of a duct. A mounting rail 11 extending along the main body of the duct is fitted to the tip ends of the receiving shafts 6 so as to be slidable. An external member 5 is attached to the mounting rail 11. The external member 5 will be affected by the strain and/or the thermal deformation of the main body of the duct.
Patent JP-S62280014-A (JP)
Title: Manufacture of rolled polymeric material sheet
Inventor: KIKUMA TOSHIO
IPC: B29C43/46
Filed: 1986-05-30
Abstract: PURPOSE:To obtain a rolled polymeric material sheet which has high Young's modulus, small in-plane anisotropy of characteristics and consequently is suitable for pressing, by a method wherein polymeric material which is heated, kneaded and extruded is rolled by widthwise reciprocating a rolling mill and, after that, continuously and lengthwise rolled. CONSTITUTION:Pellets (granules) of crystalline polymeric material such as polypropylene or the like are charged through a pellet supplying port 1 into an extruder 2 so as to extrude molten material which is heated and kneaded by the extruder 2 by inserting said material in a rectangular or circular die in order to form continuous solid slab or billet with rectangular or circular section. The resultant slab or billet is continuously inserted in a tentering rolling mill 3 following the extruder 2. The tentering rolling mill 3 stretchingly rolls the slab or billet widthwise by shifting two rolls 5 and 5' widthwise, which are arranged vertically in a same vertical sectional plane and rotatingly driven in the predetermined pressed down state. Next, the completely tenteringly rolled material is continuously inserted in a lengthwise rolling mills 4 following the tentering rolling mill 3 so as to be rolled in order to obtain the predetermined sheet thickness and lengthwise stretch ratio.
Patent JP-H07333547-A (JP)
Title: Video display device
Inventor: KOBAYASHI HIROMASA
IPC: H04N5/64
Filed: 1994-06-06
Abstract: PURPOSE:To always and accurately mount a display main body part on a required hold position of the head of an observer by simple and easy operation. CONSTITUTION:A head hold means 21 is constituted of a base frame member 22 connected to or integrated with at least a part of the display main body part 11 and given a shape curved or bended with the B side of the head of an observer A as its inward radial direction, and a movable frame member 23 connected to at least a part of the base frame member 22 and selectively made operatable toward the direction holding or releasing the base frame member 22 and the display main body part 11 to/from the head B of the observer A by using a connection part 24 as a fulcrum.
Patent JP-S5248171-A (JP)
Title: Continuous filtering and dehydrating apparatus using continuous filter material such as filter paper
Inventor: KANEDA HIROAKI
IPC: B30B9/20
Filed: 1975-10-14
Abstract: PURPOSE: To enable dehydration simultaneously with pressure filtration by means of filter paper and the like. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H10313951-A (JP)
Title: Leg column length adjuster for desk, etc.
Inventor: SAKURAI YOSHI
IPC: F16B12/40
Filed: 1997-05-14
Abstract: PROBLEM TO BE SOLVED: To provide a leg column length adjuster for a desk, etc., which adjusts the length of the leg column, while preventing metals from being removed or fallen and simplifies the assembling. SOLUTION: A fall prevention piece 32 for a bolt lock metal 30 is hung on the top end of an opening edge part of a bottom support 10 and the bolt lock metal 30 is arranged vertically to the bottom support inside, while a lock piece 43 of the lock metal 40 is engaged with a hock hole 23 of the top support 20 so that the lock metal 40 is arranged along the outside face of the bottom support. It is so constituted that a bolt 50 is inserted into insertion holes of the lock metal 40 and the bottom support 10 to be fastened to the bolt lock metal 30 so that the both metals 30, 40 are fixed to the supports 10, 20 and the top support 20 is fixed at a desired slide position.  A swinging prevention piece 34 which is engaged with a long hole 15 of the bottom support 10 and prevents the lock metal 30 from swinging in the diametrical inside direction in fastening the bolt is provided in the bottom end of the bolt lock metal 30.
Patent JP-H02302069-A (JP)
Title: Hybrid integrated circuit device
Inventor: KOMIYAMA TOSHIO
IPC: H05K1/11
Filed: 1989-05-16
Abstract: PURPOSE:To prevent deformation and disconnection of a metal fine line and to enable long-term storage by providing a through-hole to a specified position of a device substrate and a lead frame which are joined mechanically, by forming a through-hole through electrical junction, and by carrying out resin seal. CONSTITUTION:A circuit substrate 5 and a lead frame 9 are joined mechanically using adhesive 8, and a through-hole is provided through the circuit substrate 5 and the lead frame 9. Cu-plating is curried out to form a through-hole 7 for electrical junction, and a circuit pattern 6 is formed. Ni-plating and Au-plating are carried out, and elements 3 such as an active element and a passive element is formed to a specified position with paste 4 through mount or print, etc. An inner circuit is formed by a metal fine line 2, and resin-sealed by mold resin 1. Since the circuit pattern 6 on the circuit substrate 5 and the lead frame 9 are connected by the through-hole 7, a metal fine line between a lead frame and a circuit substrate, and Ag-plating on a lead frame can be omitted, thereby preventing deformation and disconnection of the sealed metal fine line.
Patent JP-H06332266-A (JP)
Title: Developing device
Inventor: NOGUCHI KOJI
IPC: G03G9/107
Filed: 1993-05-26
Abstract: PURPOSE:To provide a developing method capable of obtaining a high quality image even where a developer with a magnetic toner and a magnetic carrier mixed is conveyed at a low speed. CONSTITUTION:The developer 11 that the magnetic carrier composed of 5-50wt.% resin coating carrier grain and 50-95wt.% uncoating carrier grain and the magnetic toner having charging capacity in a unidirectional polarity are mixed so as to make a toner concentration 10-40wt.% is attracted onto a sleeve 8 and in a developing region, the sleeve 8 is rotated in the same direction as a photosensitive body 7, to attain development.
Patent JP-S5754048-A (JP)
Title: Abnormality monitor employing infrared picture image
Inventor: INABA HAJIME
IPC: B23Q15/00
Filed: 1980-09-09
Abstract: PURPOSE: To obtain a monitor for abnormal heat generation of an object by utilizing the fact that the color tone of a thermal picture image employing the infrared ray will change in accordance to the temperature of the object.  
     CONSTITUTION: The infrared ray thermal picture image and the shape position picture image in the proximity of the cutting point are detected by an infrared ray photographying camera 11 and an industrial TV camera or a shape position photographying camera 12 to obtain the temperature distribution picture image in the proximity of the cutting point. The detected temperature distribution picture image and the standard temperature distribution image are identified by an abnormality identifying circuit 17, and when there is the abnormal temperature higher than the allowable level the picture images of the abnormal position and the temperature are displayed on an abnormality display. In place of a standard temperature distribution picture image memory 21, the standard temperature distribution picture image can be calculated from a NC device 1 and sent to an identifier circuit 17. Consequently the contactless remote monitoring is achieved and the unmanned processing is facilitated during the unmanned monitoring. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S5748852-A (JP)
Title: Telephone set with loudspeaker
Inventor: MORI HIROYUKI
IPC: H04M1/62
Filed: 1980-09-08
Abstract: PURPOSE:To realize effective use of the telephone for conference telephone set between remote locations through small acoustic coupling, by locating a speaker and a microphone remotely and supporting them rotatably. CONSTITUTION:A notch 111 containing a microphone supporting rod 12 is provided at a part of a cabinet 11, an universal supporting fixture 13 is fitted to a prescribed position of the cabinet 11, the base of the rod 12 is fitted to the fixture 13, a microphone 15 is inserted into the hollwo part of the supporting rod 12, and the microphone 14 is fitted to the tip. The rod 12 is contained in the notch 111 of the cabinet 11 so that a switch 16 turns off when the rod 12 is fallen and the switch  16 provided on the cabinet 11 is in contact when the rod 12 stands up, allowing to operate the microphone 14.
Patent JP-H01295033-A (JP)
Title: Disc rotor for disc brake
Inventor: TSURUI MICHIYOSHI
IPC: F16D65/12
Filed: 1988-05-20
Abstract: PURPOSE:To markedly reduce the noise of a disc brake which is caused from the worn-out iron powder by forming an iron oxide layer containing Fe3O4 as main constituents on the slidable surface of a disc rotor made of cast iron of a disc brake for vehicle. CONSTITUTION:A disc brake for a vehicle is equipped with a disc rotor 1 made of cast iron. A cooling hole 1a extending in the radial direction is formed on the outer peripheral part of the disc rotor 1, and each sliding surface 1b is formed on the both sides of the outer peripheral part of the disc rotor 1. On each sliding surface 1b, an iron oxide layer 1c containing Fe3O4 is formed in network form. Therefore, the generation of the worn-out iron powder is prevented, and the noise of the disc brake can be reduced markedly.
Patent JP-S5826321-A (JP)
Title: Manufacture for magnetic recording medium
Inventor: OZAKI SHINJI
IPC: G11B5/64
Filed: 1981-08-07
Abstract: PURPOSE:To obtain a magnetic recording medium having excellent corrosion resistance, by treating a magnetic substance layer made of a metallic ferromagnetic substance with an aqueous solution including ammonium salt of chromic acid or bichromic acid. CONSTITUTION:The surface of a magnetic substance layer made of a ferromagnetic metallic thin film such as cobalt metal or cobalt alloy is treated with water solution including both chromic acid ammonium and ammonium or including both ammonium dichromate and ammonium chromate. In the said water solution, an aqueous solution in which the concentration of ammonium chromate is 0.05g/l and ammonium is 0.01-3g/l or the concentration of ammonium bichromate is 0.01g/l and ammonium chromate is 0.05-10g/l is preferably set to 10-40 deg.C.
Patent JP-H06337047-A (JP)
Title: Epicyclic change gear
Inventor: SUZUKI CHISATO
IPC: F16H3/44
Filed: 1993-05-26
Abstract: PURPOSE:To automatically change a gear smoothly according to a level of a load by providing two engaging members, which prevents respective ring gears from rotating, so as to enable a minute movement in the circumferential direction of an epicyclic mechanism and providing a neutral area. CONSTITUTION:Two ring gears 31, 32 arranged in line in the axial direction gear with an epicyclic gear 21 respectively. A selective engaging member, which switches a gear change ratio by selectively engaging with the ring gears 31, 32, consists of engaging members 71, 72, which are composed of a roller or a sphere arranged in line in the axial direction, and a slider 73, which positions both of the engaging members 71, 72 between projections in both ends in the axial direction. The slider 73 is energized in one direction by a spring 9, so that one side engaging member 71 is engaged in an engaging groove 35 on the outer circumferential face of the ring gear 31. Between the engaging groove 35 on the outer circumferential face of the ring gear 31 and an engaging groove 36 on the outer circumferential face of the ring gear 32, a gap, which is slightly wider than a diameter of both of the engaging members 71, 72 having equal diameter to each other, is formed so as to arrange a neutral area herein.
Patent JP-2000315714-A (JP)
Title: Method and system for evaluating semiconductor silicon wafer
Inventor: YOSHIDA CHISA
IPC: G01N21/956
Filed: 1999-04-30
Abstract: PROBLEM TO BE SOLVED: To evaluate glow-in defect and machining defect nondestructively, easily and highly accurately by measuring the size of a defect on the surface layer of a semiconductor silicon wafer and then evaluating the kind and density of defect based on the relative size with reference to the glow-in defect of the measured defect. SOLUTION: At first, a measuring means 2 detects a defect existing on the surface layer of a semiconductor silicon wafer and measures the size thereof. An analyzing means 3 then determines the relative size with reference to the glow-in defect of the measured defect. When a defect existing on the surface layer of a semiconductor silicon wafer is detected, the size thereof is measured and then the relative size to the glow-in defect is determined, a defect generated on the surface layer by machining can be discriminated from a glow-in defect essentially contained in the crystal. Consequently, the kind and density of defect can be evaluated nondestructively and easily.
Patent JP-H01293514-A (JP)
Title: By-pass circuit device
Inventor: NAKABAYASHI TAKASHI
IPC: H01C13/00
Filed: 1988-05-20
Abstract: PURPOSE:To avoid the harmful influence caused by the insertion of a by-pass capacitor and obtain a by-pass circuit device easy to apply and easy to mount by a method wherein the by-pass circuit device includes the by-pass capacitor and a resistor and the capacitor and the resistor are combined into one piece. CONSTITUTION:A by-pass circuit device includes a capacitor 8 and a resistor 7 and the capacitor 8 and the resistor 7 are combined into one piece. For instance, the resistor 7 and the capacitor 8 are connected in series and the resistor 7 and the capacitor 8 are molded into one piece and connection terminals 6a and 6b are extended outward from both the ends of the unified mold.Then the one terminal 6a of the by-pass circuit device 6 is grounded and the other terminal 6b is connected to the source terminal 2 of an electronic circuit 1 and to the output terminal 4 of an electric source 3. Or the resistor 7 and the capacitor 8 are formed into die-cap tape and laminated together and electrodes 9a and 9b are provided on the upper and lower surfaces of the laminated unit to form a die-cap type by-pass circuit device.