baber/WOPTO huggingface dataset:
Patent JP-S61118132-A (JP)
Title: Catalytic reactor
Inventor: SAKAKURA YASUYUKI
IPC: B01J8/02
Filed: 1984-11-14
Abstract: PURPOSE:To set freely the size of a heating surface and to facilitate the packing of a catalyst by adjoining a reaction chamber to a heat-transfer medium chamber through a partition wall consisting of a plate material extending in the axial direction, and arranging the partition wall spirally with the axis as a core. CONSTITUTION:A partition wall between a reaction chamber and a heat-transfer medium chamber is formed to a spiral circle (spiral plate 11), and a catalyst 1 is packed between spiral plates. A heat-transfer medium chamber is formed by the clearance between the adjacent spiral plates. A fluid reactant is supplied from 4, and passed through the catalyst 1 fixed by a catalyst presser 9. A specified chemical eaction is initiated, and a fluid reaction product after the reaction is completed is discharged from 5. A heat-transfer medium is introduced from 6, passed through a flow passage 10, heat-exchanged indirectly with the fluid reaction product through the spiral plate 11, and then discharged from an outlet 7.
Patent JP-H0581742-A (JP)
Title: Rotation control device
Inventor: TAJIMA KOJI
IPC: G11B15/467
Filed: 1991-09-19
Abstract: PURPOSE:To provide a rotation control device which synchronizes the rotation of a rotating body against the periodic signals reproduced by a head, eliminates an instability in the control and brings its control effectiveness into full play utilizing the periodic signals. CONSTITUTION:An amplifier.filter 19 controls drum rotation by employing a speed control section 5 which controls a drum rotational speed, a phase control section 6 which controls a drum rotational phase and horizontal synchronization signals reproduced by a head 1 from a magnetic tape T. Furthermore, a switching control block 10 switches an operation and no operation of the control by using the horizontal synchronization signals and the block 10 expands the control pull-in region of the speed control section 5 and the phase control section 6. And the block 10 detects whether the period of horizontal synchronization signals is within a prescribed region or not and whether the reproduction signal level from the head 1 exceeds a prescribed level or not and the above mentioned operation and no operation are switched in accordance with the detection results.
Patent JP-H03105033-A (JP)
Title: Throttle actuator
Inventor: TAKANO YOSHIYA
IPC: F02D11/10
Filed: 1989-09-18
Abstract: PURPOSE:To secure the vibrationproofness by a simple structure by installing a reinforcing rib in the direction for suppressing the lower order vibration mode which is generated in installation of a driving motor, between the outer periphery of a suction passage and an installation flange for a subthrottle valve driving motor. CONSTITUTION:A main throttle valve device 2 interlocked with an accelerator pedal is arranged on the downstream side of a throttle body 1, and the main throttle valve device 2 is equipped with a main throttle valve which is not shown on the figure and opened and closed by the turn of an accelerator drum 3. Further, a subthrottle valve device is arranged on the upstream side of the main throttle valve device 2, and is equipped with a subthrottle valve which is not shown on the figure and opened and closed against a return spring 10 through a reduction gear 7 by a driving motor 6. With this constitution, a reinforcing rib 30 is installed from the outer peripheral part 20 of the throttle body 1 to an installation flange 21 of the driving motor 6. The second moment of area is increased by the action of the reinforcing rib 30 which is longer in the vibration mode direction, and the characteristic frequency is made higher than that in the operation region.
Patent JP-H0985645-A (JP)
Title: Hammer
Inventor: SEISHI TOMIJIROU
IPC: B25D1/00
Filed: 1995-09-19
Abstract: PROBLEM TO BE SOLVED: To surely keep a state where the tip part of a hammer handle is pressure-fitted in the through hole of a hammer head part. SOLUTION: The tip part 2a of a hammer handle part 2 is pressure-fitted in a through hole 1a formed in a hammer head part 1, and a spring pin 7 is press-fitted in a crossing hole 4 which pierces the hammer head part 1 and the tip part 2a of the hammer handle part 2 along a crossing direction.
Patent JP-H0787850-A (JP)
Title: Sheet-pressing apparatus of mulching transplanter
Inventor: KOMATSU HITOSHI
IPC: A01G13/00
Filed: 1993-09-27
Abstract: PURPOSE:To provide a sheet-pressing apparatus capable of surely and easily pressing and fixing the starting end part of a sheet on a field by an operator at the initial stage of the mulching transplantation work. CONSTITUTION:A sheet S horizontally supported by a supporting apparatus 9 of a mulching transplanter B is delivered and laid on a field. A seedling is planted through the sheet S with a transplantation claw 8. The starting end of the sheet S laid on the field is pushed into the soil with a vertically movable pressing piece 15 placed behind the transplantation claw 8. The pressing piece 15 is divided in the lateral direction of the sheet S into proper sections interposing a draining gaps between the sections.
Patent JP-H0792251-A (JP)
Title: Pulse radar apparatus
Inventor: TSUNETOMI SHIGEKI
IPC: G01S7/28
Filed: 1993-09-27
Abstract: PURPOSE:To shorten the receiving/processing time by outputting a signal for switching an antenna so that signals from a plurality of antennas are received within a repetition cycle of transmission pulses in a pulse radar apparatus which transmits/receives signals by switching the plurality of antennas. CONSTITUTION:The apparatus is constituted of transmitting timing generating circuit 1 for generating transmission pulses, a delay circuit 10 which delays transmission pulses generated in the circuit 1 for every antenna 7, and a receiving timing calculating circuit 14 which outputs a signal for switching the antenna 7 so that signals from a plurality of antennas 7 are received within a repetition cycle of transmission pulses based on the transmission pulses from the circuit 1 and delay circuit 10.
Patent JP-H06281629-A (JP)
Title: Inspecting device
Inventor: SUGIYAMA MITSUO
IPC: G01N29/04
Filed: 1993-09-27
Abstract: PURPOSE:To enable an ultrasonic flaw detection device to display ultrasonic flaw detection results in the same visual field while an ultrasonic probe makes scanning by uniting the main body of the device with the probe in one body. CONSTITUTION:An ultrasonic probe section 5 is fitted to the lower surface of the main body section 4 of an ultrasonic flaw detection device. Since the section 5 is worn, the section 5 is fitted to the section 4 in a removable state with screws, etc. A displaying section 4a uses a light emitting diode so that the section 4a can indicate at least the detection of echoes from a flaw. An operating section 4b is constituted of a knob or push-button and used at the time of setting the flaw detecting sensitivity or measuring range as the preparatory work of ultrasonic flaw detection. The section 4b can be provided at two or three locations. The operator of this inspecting device scans the surface of an object to be tested by holding the upper part of the section 5, but it becomes difficult for him to see the displayed content of the section 4 during the scanning operation, since the content also moves. In order to supplement the display, a buzzer is provided in the main body section 4 so that the operator can audibly understand the content.
Patent JP-H0288465-A (JP)
Title: Ceramic combined sintered body
Inventor: TASHIRO HIROSHI
IPC: C04B35/58
Filed: 1988-09-26
Abstract: PURPOSE:To reduce electric specific resistance and to improve mechanical strength by sintering a mixture contg. prescribed amts. of silicon carbide powder, titanium boride powder and aluminum oxide powder at a prescribed temp. in an inert gaseous atmosphere. CONSTITUTION:25-55 pts.wt. silicon carbide powder is blended with 30-60 pts.wt. titanium boride powder and 15-40 pts.wt. aluminum oxide powder. This blend is molded and the resulting molded body is sintered at 1,700-2,000 deg.C in an inert gaseous atmosphere to obtain a ceramic combined sintered body.
Patent JP-H0693088-A (JP)
Title: New polymer and its production
Inventor: ENDO TAKESHI
IPC: C08G61/10
Filed: 1992-09-09
Abstract: PURPOSE:To obtain a new polymer capable of manifesting excellent solubility in various organic solvents by carrying out the cyclizing polymerization of dipropargyl ethers in the presence of an alkali metallic alcoholate. CONSTITUTION:Dipropargyl ethers are subjected to cyclizing polymerization in the presence of an alkali metallic alcoholate (preferably potassium t-butoxide), preferably at -10 to +30 deg.C, usually for 12-24hr to afford the objective polymer having 10-70mol% each of units expressed by formulas I to III and 5000-30000 average molecular weight. Furthermore, the concentration of the dipropargyl ethers is 20-30 molar concentration and the amount of the alkali metallic alcoholate is preferably 5-10mol% based on the dipropargyl ethers. The reaction is preferably carried out by using a solvent such as THF or n-hexane.
Patent JP-H03103803-A (JP)
Title: Production of organic optical waveguide
Inventor: YOSHIMURA TETSUZO
IPC: G02B6/13
Filed: 1989-09-19
Abstract: PURPOSE:To decrease the propagation loss of an org. optical waveguide by inserting an org. nonlinear optical material into a part of the optical waveguide and patterning the material by a self-alignment method. CONSTITUTION:A layer 2 consisting of TixSiyOz or a-SixNyOz: H is formed on an underlying substrate 1 and the org. optical waveguide 3 is formed thereon. The layer 2 is further coated with a layer 4 consisting of the same material as the material of the layer 2. The film formation of the coating layer 4 is executed by sputtering, plasma CVD, photo-CVD, ion plating, vapor deposition, ion assisted vapor deposition, etc.. The refractive index of the coating layer can be controlled by changing the compsn. of the material. The difference in the refractive index between the waveguide and the coating material around the same decreases in such waveguide and, therefore, the light scattering by the zigzag of the side face is suppressed. The org. optical waveguide which lessens the propagation loss and the degradation of the nonlinear optical effect is obtd. in this way.
Patent JP-S61119584-A (JP)
Inventor: NAKAO SHOICHI
IPC: B66B23/04
Filed: 1984-11-16
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S61120052-A (JP)
Title: Surface condition analyzing instrument
Inventor: KATSURA AKIHIDE
IPC: G01N27/26
Filed: 1984-11-16
Abstract: PURPOSE:To make possible the online measurement of the surface condition change of a material under high-temp. conditions and in environment where there is flow by measuring the electromotive force generated in accordance with the pressure of the test liquid to be passed through the inside of a cell. CONSTITUTION:The sample 11 in the form of powder is packed in a detector in order to contact with the high temp. water fed from A so that the change of the surface condition in the high-temp. water is observed. Said sample is fixed by a filter 8 and an electrode mesh 10. The differential pressure in the stage when the sample 11 passes through the high-temp. water is read by a pressure gage 12 in the inlet part and a pressure gage 13 in the outlet part and the flow potential E is detected by the mesh 10 at both ends of the sample according to the pressure P in this stage. The specified differential pressure P is maintained by selecting hematite Fe2O3 and magnetite Fe3O4 for the sample 11 and passing the high-temp. water through the sample, then the potential E intrinsic to the hematite is observed. The hematite surface is coated with magnetite and finally the surface layer of the entire particle changes to the magnetite layer. The online analysis of the surface characteristic change is thus made possible.
Patent JP-2001066224-A (JP)
Title: Method for monitoring optical cable line
Inventor: SATO MITSUHIRO
IPC: H04B3/46
Filed: 1999-08-27
Abstract: PROBLEM TO BE SOLVED: To provide a method by which the abnormality of the longitudinal temperature distribution in an optical fiber cable as well as the disconnection of and water infiltration into the optical fiber cable line can be detected and, at the same time, the cable line can be monitored collectively. SOLUTION: A hygroscopic member 6 packed with a material which causes an exothermic or endothermic reaction with water is set up in contact with or closely to an optical cable 3 in a hand hole 1, and the longitudinal temperature distribution of an optical fiber line for temperature measurement contained in the optical cable 3 and the transient variation of the temperature distribution are evaluated by monitoring the optical fiber line by means of an optical fiber temperature radar from the terminal of the line.
Patent JP-H1081282-A (JP)
Title: Heater-built-in grip for vehicle
Inventor: OISHI YASUO
IPC: B62J33/00
Filed: 1996-09-11
Abstract: PROBLEM TO BE SOLVED: To make a grip effectively heatable with small power consumption by dispersibly setting up a heating element being embedded and unified in a rubber grip body extending over the nearly whole circumference, upon making the dispersive density at a front side of the grip body along the traveling direction of a vehicle to be higher than the rear side. SOLUTION: Each grip to be installed in a steering handle of a motorcycle is composed of integrally embedding an inner piece and heater 34 in a rubber grip body. The heater 34 has a sectional structure where a strip pattern consisting of copper foil 55 is laminated in piles in space between a base film 56a and an over-film. In addition, it is provided with two heater areas 34a and 34b nearly corresponding to each circumference of both first and second inner piece half bodies and a connecting area 34c extended to the side of a ring part of the inner piece half body from the heater area 34a, but at this time, two heater circuit parts P1 and P3 where dispersive density of the copper foil 55 is higher than that of heater circuit pattern parts P2 and P4 are set to be set up at an inner end side of the grip body.
Patent JP-H1177367-A (JP)
Title: Solder composition
Inventor: MAEKAWA KIYOTAKA
IPC: B23K35/26
Filed: 1997-09-05
Abstract: PROBLEM TO BE SOLVED: To provide the Pb-free solder which is heat resistant, and excellent in strength and workability by containing Sn, Cu and Ge. SOLUTION: When Ge is added to the Sn-Cu solder, Ge is diffused in the solder to refine the structure, and the strength of the solder is increased. In a molten condition, a thin and stable oxide film of Ge is formed on the solder surface to suppress oxidation of the solder. Preferably, Cu is contained by 0.1-9 wt.% and Ge is contained by 0.001-0.5 wt.% based on 100 wt.% solder composition. More preferably, Cu is contained by 0.7-3 wt.% and Ge is contained by 0.01-0.1 wt.% based on 100 wt.% solder composition. At least one kind of Ag, Sb, Zn, Bi and In may be added to the solder composition as the sub- composition. The solder composition can be fed in any shape including rod-shape and wire-shape.
Patent JP-2001069376-A (JP)
Title: Connection structure for monitor body which is connected to main body and is electrically connected to main body by wiring cord
Inventor: ONA MASAAKI
IPC: H04N5/225
Filed: 1999-08-27
Abstract: PROBLEM TO BE SOLVED: To provide the connection structure of a monitor body which is remarkably convenient, is superior in a commodity value, is revolutionary, is connected to a main body and is electrically connected to the main body by a wiring cord. SOLUTION: In the connection structure of a monitor body 2 which is connected to the main body 1 of a video camera so that it can be changed from an embedded storage state to an opposite protruding state and is electrically connected to the main body 1 by a wiring cord L, a reception part 5 capable of connecting a spherical body 4 installed at the tip of a spindle 3 protruding from the monitor body 2 so that the monitor body 2 can freely rotate is installed in the main body 1.  Elevating/declining rotation for oppositely protruding the monitor body 2 attached to the main body 1 by rotating the spherical body 4 with respect to the reception part 5, rotation for rotating the monitory body 2 which is oppositely protruded with respect to the main body 1 with the spindle 3 as a fulcrum and bending rotation rotating the spindle 3 in a direction different from the elevating/declining rotation are realized and the display face 2a of the monitor body 2 is turned to a direction that a user desires.
Patent JP-H0691978-A (JP)
Title: Recording apparatus
Inventor: SAITO HIROYUKI
IPC: B41J19/96
Filed: 1992-09-09
Abstract: PURPOSE:To enable fine recording images to be recorded irrespective of the processing commands from a main body host during line feeding period by providing means for changing a superimposing quantity at a line feed part to the recording apparatus side. CONSTITUTION:In a line feed quantity adjusting means, a transporting roller gear 21 is secured at the axial end of a paper transporting roller 15 for transporting a recording medium, and the first gear trains 22, 23 are axially supported on a side plate 34 in order to be meshed with the transporting roller gear 21. The second gear trains 24, 25 are axially supported on a side plate being opposite to the side plate 34. A changing gear 26 for changing and transmitting driving force is meshed with one of the first gear trains or second gear trains, and by pushing in a changing button 32, the composition is made via a spring 29 to be changed to the first gear trains or second gear trains. Namely, by providing means for changing the superimposing quantity at the line feeding part to the recording apparatus side, fine recording images can be recorded irrespective of the processing commands from the main body host during the line feeding period.
Patent JP-H0696118-A (JP)
Title: Method and device for supporting idea
Inventor: TANAKA KAZUO
IPC: G06F17/27
Filed: 1992-09-09
Abstract: PURPOSE:To provide a method and a device for supporting idea so as to generate any creative idea by performing divergent thinking. CONSTITUTION:A question describing text and a retrieving element considered to be most usefull for resolving a question are inputted to a text input device 1. A morpheme analyzer 4 performs morpheme analysis to the question describing text and a full text extracted from an information data base on the retrieving element, and a clause relating-modification analyzer 5 extracts clause relating modification structure. A clause modification structure matching device 6 compares the partial clause modification structure of the full text extracted by the clause modification analyzer 5 with the partial clause modification structure of the question describing text, extracts correspondent phrase or partial clause relating-modification structure by similarity matching and displays the extracted contents on a display 7. The displayed contents contain a lot of terms applying the resolution to the question describing text.
Patent JP-H0990252-A (JP)
Title: Scanning optical device
Inventor: GOTO YOSHIHIRO
IPC: G02B26/10
Filed: 1995-09-20
Abstract: PROBLEM TO BE SOLVED: To make an optical scanning device low in cost by covering all surroundings of a light deflector with light transmissive resin and integrally providing a first image forming optical system, the first image forming optical system and the one part of a second image forming optical system, or the one part of the second image forming optical system on the transmissive resin to reduce the noise of the light deflector, thereby preventing the surfaces of the light deflector from being soiled and reducing the number of components. SOLUTION: A first image forming optical system 24 is integrally provided on the cover 36 of light transmissive resin. Sine this cover 36 is made so as to cover the whole of a polygon mirror 25, it reduces the leaking of the wind cutting sound to be generated by the mirror 25 to the outside. Moreover, since dust is reduced in the inside of the cover 36 and the inside of the cover is filled with gas made to be low humidity (nitrogen gas, etc.), surface of reflection areas 26 of the polygon mirror 25 are made not to be polluted. Moreover, surfaces of the transmission part (the first image forming optical system 24) of the optical flux from a light source 23 and of a part through which the reflected light beam by the polygon mirror 25 transmits are worked with the accuracy of optical grade.
Patent JP-S6396249-A (JP)
Title: Austenitic stainless steel for thin flat spring
Inventor: KAMIO MORINORI
IPC: C22C38/00
Filed: 1986-10-13
Abstract: PURPOSE:To provide a material for a thin flat spring having high strength and fatigue strength, by specifying the amounts of C, Si, Mn, Ni, Cr, Mo and N in an austenitic stainless steel and restricting the amounts of S, P and O. CONSTITUTION:The compsn. of an austenitic stainless steel for a thin flat spring is composed of, by weight, 0.10-0.25% C, 0.3-2.0% Si, 0.5-2.0% Mn, 5.0-8.0% Ni, 15.0-20.0% Cr, 0.1-1.0% Mo, 0.005-0.1% N, <=0.005% S, <=0.03% P, <=0.0150% O and the balance Fe with inevitable impurities. The steel has higher strength and fatigue strength than a conventional steel belt material, so it is suitable for a thin flat spring for electronic appliances or for a spiral spring such as the retractor spring of a seat belt for an automobile.
Patent JP-H1066336-A (JP)
Title: Driving circuit of synchronous rectifier
Inventor: TAKAHASHI SEIICHI
IPC: H02M3/335
Filed: 1996-08-23
Abstract: PROBLEM TO BE SOLVED: To reduce a power loss in the synchronous rectifier of a switching power supply circuit and, further, facilitate the size reduction of a transformer. SOLUTION: A MOS-FET 6 is used as the synchronous rectifier of a switching power supply circuit. The power loss of a MOS-FET 6 is small. A driving circuit 10 is connected to the MOS-FET 6. When a main switching device Q0 is turned on, a switching device Q1 and a diode 11 are turned on by utilizing the voltage polarity of a secondary coil 4 and the gate and source of the MOS-FET 6 are short-circuited with each other and the MOS-FET 6 is turned off. When the main switching device Q0 is turned off, the voltage polarity of the secondary coil 4 is reversed and the switching device Q1 and the diode 11 are turned off and a switching device Q2 is turned on. The output voltage of the secondary coil 4 is applied to the gate of the MOS-FET 6 through the switching device Q2 and the MOS-FET 6 is turned on. As a tertiary coil is not necessary, the size of the transformer can be reduced.
Patent JP-H1057519-A (JP)
Title: In-water walking device
Inventor: NISHIOKA TORU
IPC: A63B21/008
Filed: 1996-08-23
Abstract: PROBLEM TO BE SOLVED: To provide an in-water walking device by which effective training can be attained by easily changing the load and the bending angle of inferior limbs in accordance with the conditions of a user. SOLUTION: An underwater walking device 1 is constituted in such a way that a conveyor mechanism 10 in which an endless belt member 20 is circulatingly driven is made oscillatable in the backward and forward direction at its rear end part, and also the front end thereof is elevatably supported by an elevating mechanism 30 and the mechanism is arranged inside a water vessel 2, and the front end thereof is oscillated making a center of the rear end part by the rising drive of the elevating member 30 so as to be inclined upwards to have a prescribed angle, so that the water depth is varied by the front and rear position of the walking surface.