baber/WOPTO huggingface dataset:
Patent JP-S5513525-A (JP)
Title: Composite piezo-vibrator unit
Inventor: HOSHI HIDEO
IPC: H03H9/58
Filed: 1978-07-13
Abstract: PURPOSE:To obtain a flat frequency-temperature characteristic by using two piezo- vibrators whose signs of the quadratic temperature coefficient are opposite to each other. CONSTITUTION:Two piezo-vibrators 6 and 7 are connected in series and are incorporated in an oscillator circuit. One vibrator 6 has the frequency-temperature  characteristic of an approximate second-degree curve and negative quadratic temperature coefficient beta1 and is realized by a crystal vibrator. The other vibrator 7  has the frequency-temperature characteristic of an approximate second-degree curve  and positive quadratic temperature coefficient beta2 and is realized by a lithium-tantalate vibrator. When peak temperatures of both vibrators are set to be equal to each  other and beta2/beta1=C12/C11 (C11 and C12 are equivalent capacities of vibrators 6 and  7) is made true, flat frequency-temperature characteristic 8 can be obtained. Both  vibrators 6 and 7 are enclosed in the same case.
Patent JP-H04317720-A (JP)
Title: Treatment of nitrogen oxide of low concentration
Inventor: MURAKAMI NOBUAKI
IPC: B01D53/34
Filed: 1991-04-17
Abstract: PURPOSE:To decompose diluted NOx gas easily and efficiently by a method wherein, after adsorption, separation and concn. by pressure swing process using an adsorbing agent, the nitrogen oxide of a low concn. is conducted into a gas engine, combustor or the like. CONSTITUTION:After the exhaust gas (a) contg. NOx of about 1-10ppm is introduced into a dust collector 1 making use of corona discharge for removal of dusts therefrom, it is treated in adsorption towers 2 and 3 by pressure swing process. In such adsorption towers 2 and 3, the gas is continuously treated by being subjected to adsorption and desorption alternately and thus purified gas having the NOX content reduced to at most 1ppm is discharged from a line (c) of a blower 4 to the atmospheric air. On the other hand, the NOx adsorbed in the adsorption towers 2 and 3 is desorbed by a vacuum pump 5 and the desorbed NOX gas having so a high concn. as from a few hundred to several tens of thousands ppm is introduced through a heat exchanger 6 into a combustor 7. A considerable amt. of the desorbed gas is decomposed by N2 in the combustor 7 and, after recovery of heat therefrom by the heat exchanger 6, the gas still containing a small amt. of NOX is retreated in the adsorption tower 2.
Patent JP-S5512458-A (JP)
Title: Soil pressure meter of liquid pressure detection type
Inventor: YAMAMOTO MINORU
IPC: G01L5/00
Filed: 1978-07-13
Abstract: PURPOSE: To improve the reliability by supporting the circumference of a pressure receiving plate having a large thickness on a container side wall through a thin plate and by filling a liquid into the inside.  
     CONSTITUTION: An annular thin plate 6, which has a rigidity as low as possible but can endure the maximum of the coil pressure to be measured, is placed on the upper side of a side wall 2 having a bottom plate 3 on which a cross-shaped frame 4 is mounted. A pressure receiving plate 8 having a high rigidity and a large thickness is integrally fixed by means of rivets to the upper side of the supporting side of annular shape which is disposed at the inner and lower side of the thin plate 6 in a manner to clamp the thin plate 6, and its inside filled up with a liquid. As a result, the area of the plate 8 is enlarged to eliminate the influences due to the action of the local soil pressure. By thickening the plate 8, this plate 8 is uniformly displaced in a rigid manner even for the inevitable local soil pressure so that the abnormal change in the liquid pressure of the pressure meter, which is generated in accordance with the soil pressure can be prevented. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S59210349-A (JP)
Title: Analytical method and apparatus of molten metal by plasma emission spectrochemical analysis method for long-distance carriage of fine particle
Inventor: ONO AKIHIRO
IPC: G01N21/73
Filed: 1983-05-16
Abstract: PURPOSE:To analyze rapidly, precisely, and directly components in molten metal without any sampling operation by subjecting the surface of the molten metal to a spark discharge to form fine particles by evaporation, and carrying the particles to an analyzer. CONSTITUTION:Sparks are discharged between a counter electrode 8 and the surface 13 of molten metal to form by evaporation fine particles of molten metal which are entrained by a gaseous Ar stream sent in from a gas supply apparatus 39 and introduced into a plasma torch 29 through an introducing pipe 3 and a carried gas distributing apparatus 24. The interval of electrodes between the counter electrode and the molten metal is fixed by operating a lifting device 20 with the detection signal from a detector 38 of the surface level of the molten metal. After finishing an analysis, by changing over a three-way selector valve and simultaneously operating the lifting device 20, a fine particle forming probe 1 is pulled up from the molten metal 13 and the gaseous Ar is blown into a carrying pipe 22 at a high flow rate from a gas supply apparatus 41 in the direction reverse to that during the analysis to peel off and remove the fine particles deposited on the inner walls of the carrying pipe 22, the fine particle introducing pipe 3, and the electric discharge chamber.
Patent JP-S529821-A (JP)
Title: Dc variable voltage device
Inventor: SERI TSUTOMU
IPC: H02M3/135
Filed: 1975-07-11
Abstract: PURPOSE: To achieve reduction in size of an iron core by combining a saturable transformer with diodes so that the magnetic energy that has been stored while a switch is closed is released to be erased when the switch is opened, and further an iron core is excited in an opposite direction to obtain higher efficiency. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S62240159-A (JP)
Title: Vapor type soldering device
Inventor: ABE NOBUHIDE
IPC: H05K3/34
Filed: 1986-04-14
Abstract: PURPOSE:To reduce the consumption of the liquid leaking to the external part by stopping the evaporation of the liquid caused with a high temp. state in short time, by providing the liquid cooling part which forcibly cools the liquid for forming a vapor phase together with the part to be heated. CONSTITUTION:A cooling water is fed at soldering operation stoppage time by providing the cooling pipe 21 forcibly cooling a liquid 13 as well as providing the heater 14 as for the liquid heating part directly heating the liquid 13 at the inner part of the liquid tank part 12 of a vapor tank 11. The temp. of the liquid 13 is forcibly cooled rapidly upto below the temp. when the evaporation is stopped from the proper boiling point temp. by starting a forced cooling motion by feeding the cooling water to the cooling pipe 21 simultaneously with stopping a heating running by turning off the electrification to the heater 14, after completion of the work. In this way, the consumption of the liquid leaking out to the external part in a vapor form is reduced by stopping the evaporation of the liquid in a high temp. state of after stopping the heater.
Patent JP-H10271274-A (JP)
Title: Picture reader
Inventor: WAJIMA KIYOTERU
IPC: H04N1/028
Filed: 1997-03-19
Abstract: PROBLEM TO BE SOLVED: To relax the dimension tolerance of fitting parts at the periphery of a close contact image sensor and to reduce cost by providing a position adjusting means which adjusts the position of the close contact image sensor for a white platen roller. SOLUTION: Brackets are provided for both sides of a sensor frame 8 for the image sensor 11 and a pair of positioning spacers 18 for adjusting the positions of the close contact image sensor and positioning it are arranged on outer sides of the respective brackets. A pressurizing spring 13 presses the close contact image sensor 11 to the white platen roller 12 along the direction of an arrow 15 with prescribed load. A shubpressurizing spring 14 presses a positioning spacer 18 in the direction of an arrow 16 so that it is abutted on the projecting abutting part 25 formed on a sheet chassis 23 with prescribed load. The positions of fitting screws 18b are adjusted along the hole 18a of the positioning spacers 18.
Patent JP-S60229537-A (JP)
Title: Voice calling device
Inventor: YAMANOUCHI TATSUO
IPC: H04B7/00
Filed: 1984-04-27
Abstract: PURPOSE:To allow a caller, specially, old person in bed to make a request through easy operation without voicing at all by selecting previously stored voice information with a selection switch and sending it by radio. CONSTITUTION:The information selected with a selection switch 2 is encoded by an encoder 5 and supplied to a voice synthesizing unit 6, so that the selected voice information is read out. The unit 6 is an LSI element stored previously with plural pieces of voice information. Those pieces of voice information are plural short sentences required by, for example, an old person in bed. Then, the read speech information is supplied to a filter amplifier 7 to generate an analog voice signal, which is transmitted after FM modulation. The contact part 40 of the selection switch 2 is constituted by fixing conductive sponge 42 on the surface of a finger band 41 and a cord 43 connected to a signal transmission part at one terminal is connected to the sponge 42 at the other terminal. Then, the contact part 40 is wound around one or both hands and the selection switch consists of the contact part 40 for the thumb and other fingers.
Patent JP-H03286743-A (JP)
Title: Bone salt determination instrument
Inventor: MARUME TAKASHI
IPC: A61B6/00
Filed: 1990-03-31
Abstract: PURPOSE:To exactly execute the setting of a measuring area and to execute the bone salt quantity measurement with high reproducibility and high accuracy by providing a means for generating at least two kinds of X rays of different energy, a detecting means for detecting the X rays which transmit through an object to be photographed, a reference detecting means for detecting the X rays which do not transmit through the object to be photographed, a means for calculating the bone salt quantity by data obtained from these detecting means, and a means for photographing an X-ray image of the object to be photographed. CONSTITUTION:By allowing one piece of thin X-ray beam to scan in the Y and the Z directions, data for quantifying bone salt is obtained. Monochromatic X rays transmit through an object 20 to be photographed and are detected by a main X-ray detector 5, and also, X rays which do not pass through the object 20 to be photographed are detected directly by a reference X-ray detector 4. The X rays are converged minutely by a collimator 2, and also, made incident on the reference X-ray detector 4. In such a way, after the Y and Z scans in an oblique line area are executed, a tube voltage of an X-ray generating device 1 is varied by a tube voltage setting controller 8.
Patent JP-H03281304-A (JP)
Title: Heated-and-compressed wood powder and manufacture thereof
Inventor: SUZUKI TAKESHI
IPC: B27L11/06
Filed: 1990-03-30
Abstract: PURPOSE:To produce wood flour, whose fibrous tissues are broken, at a low cost and in large quantities by heating and compressing the fibrous structure of wood or its bark. CONSTITUTION:Wood or its bark is pulverized to make sawdust A, and this sawdust A is then compressed under heating to make a wood briquet B. By pulverizing the wood briquet B to break its fibrous tissues, desired wood flour C to which heating-and pressing treatment has been applied is obtained.
Patent JP-H0655605-A (JP)
Title: Extruder device for coating at least two core materials with material of the same kind and coating method
Inventor: REIMON BURUDON
IPC: B29C48/06
Filed: 1992-03-09
Abstract: PURPOSE: To enable two cores to be coated with the same kind of a coating material by constituting a device of a plate in which two bores for receiving a die or a molding tool are formed and a connecting pipe which extends deep inside and is connected to the bores through another passageway. CONSTITUTION: A plate 1 is fixed at the outlet part of an extrusion machine with a fixing nut. The fixing nut is kept in contact with a connecting pipe 3 screwed into the plate 1. Therefore, even when the plate 1 is rotated, an interface between the cylinder of the extrusion machine and a center supply passageway 4 is filled airtightly to a liquid. The number of bores 2 for receiving a die F or any other optional molding tool or a machine shop tool, is at least two. This number of the bores 2 can be increased depending upon the type and the complicacy of the core to be coated, and may be 10 or more as the case may be.
Patent JP-S5514425-A (JP)
Title: Heat exchanger for adsorption type freezer
Inventor: AIZAWA MICHIHIKO
IPC: F28F1/16
Filed: 1978-07-17
Abstract: PURPOSE: To improve heat transfer rate as well as to prevent crystallization by attaching fins around the outer side of the tubes or coils of heat exchanger and circulating concentrated solution outside of tubes, and dilute solution inside of the tubes.  
     CONSTITUTION: At the heat exchanger for adsorption type freezer, heat is exchanged between the dilute solution 5 being supplied to the regenerator 3 and the concentrated solution 8 being sprayed to the adsorber 2. Heat exchanger 13 is provided with fins 16 around the outside surface of tubes 15, and concentrated solution 8 is circulated along the outside of tubes 15 (fin side A) and dilute solution is flown inner side of the tubes(inner side B). In this constitution, heat of the tubes 15 is adsorbed toward the fin 16 side which is excellent in heat transfer rate as a whole body, heightening tube wall side temp. as compared with the conventional structures. Accordingly, higher temp. away from the crystallization temp. is availaable at the solution contacting the pipe wall, enabling the prevention of crystallization. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S60230627-A (JP)
Title: Circuit board for led array
Inventor: YABU SHIGEKI
IPC: G02B27/00
Filed: 1984-05-01
Abstract: PURPOSE:To improve positioning precision by providing reference positioning projections to the circuit board, and using those projections as position references when LED chips are die-bonded and the LED array is mounted on an image reader body. CONSTITUTION:The reference projections 7 are formed integrally on the circuit substrate 1 for the LED array. Therefore, those projections are used as common positioning references in respective manufacture processes of patterning on the circuit board 1, die bonding of the LED chips, boring of fitting holes 6, etc. In this case, the reference projections 7 are used even as positioning reference at the time of the fitting of the LED array to the image reader body, so errors in positioning precision are reduced extremely and the positioning precision of fitting and fixation is improved.
Patent JP-H05258363-A (JP)
Title: Magneto-optical recording medium
IPC: G11B11/10
Filed: 1992-03-10
Abstract: PURPOSE:To enhance the durability of a magneto-optical recording medium. CONSTITUTION:This magneto-optical recording medium has a transparent substrate, a Pd-Co artificial lattice film formed by alternately laminating Pd and Co or a Pt-Co artificial lattice film formed by alternately laminating Pt and Co on the substrate and a dielectric film stuck to the artificial lattice film. In this magneto-optical recording medium, the heat conductivity of the dielectric film is regulated to <=0.2 W/cm.K and a film having >=1.0W/cm.K is further formed on the dielectric film.
Patent JP-H07290140-A (JP)
Title: Completion judging method of descaling by vacuum arc
Inventor: OKAZAKI EIZO
IPC: B08B7/00
Filed: 1994-04-25
Abstract: PURPOSE:To reliably and stably execute the completion judging method of descaling by judging completion of descaling through an average value and variance width of the voltage based on the judgment of arc discharging voltage during arc discharging. CONSTITUTION:In the vacuum arc descaling method, in which an anode electrode 5a connected to a positive pole of power source 2a is placed near the surface 3 of metal material (stainless steel sheet), an arc is discharged between the anode 5a and metal material 3 to be a cathode electrode so as to remove a scale on the surface of metal material, a discharging voltage between the anode electrode 5a and metal material 3 is measured. An average value and its variation width of discharging voltage value of this measurement are operated and is compared to the setting values, when the average value and deviation width of discharging voltage value of electrode are in the allowable range of the setting values, it is judged descaling at electrode is completed. By this method, by saving the power consumption and extremely reducing the metal loss due to excessive arc discharging, the lowering of yield of product is suppressed.
Patent JP-S5712834-A (JP)
Title: Regeneration of cation exchange resin
Inventor: SATOU JIYUUMEI
IPC: B01J49/00
Filed: 1980-06-27
Abstract: PURPOSE: To effectively regenerate cation exchange resins without causing the crystallization of calcium sulfate and also the pollution of the quality of treated water by adding a crystallization inhibitor for calcium sulfate to the middle portion of a cation exchange resin layer in a countercurrentwise regeneration method.  
     CONSTITUTION: In a method of regenerating a cation exchange resin layer in which sulfuric acid is countercurrentwise passed through the used cation exchange resin layer, a crystallization inhibitor for calcium sulfate, e.g., a polyphosphoric acid salt, a phosphine acid salt, etc., is added to the middle portion of the cation resin layer in a manner that the crystallization inhibitor is flowed below the middle portion of the cation resin layer during the regeneration period because Ca 2+  is adsorbed on the lower part of the layer and Na + , K + , etc., are adsorbed on the upper part of the layer during the water-passing period. Thus, the regeneration of cation exchange resin can be effectively performed wituout polluting the quality of treated water. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S58204917-A (JP)
Title: External air introduction device for industrial vehicle
Inventor: NAKAJIMA HIDEMI
IPC: B62D25/10
Filed: 1982-05-21
Abstract: PURPOSE:To improve the cooling efficiency of a radiator, by defining an external air introduction passage between an engine cover and a top panel under which an engine is placed, so that external air is introduced into the radiator behind the engine. CONSTITUTION:In an industrial vehicle such as a forklift, an engine 1 is placed under a top panel 2 fitted with a driver's seat 9 and is surrounded at the upper part with an engine cover 10. An external air introduction passage 11, which is provided with an external air inlet port 12, is defined between the top panel 2 and the engine cover 10. External air is introduced into a radiator 6 behind the engine 1 by a cooling fan 5.
Patent JP-H0623071-A (JP)
Title: Wood club head of golf
Inventor: NAGASAKI YOICHI
IPC: A63B53/04
Filed: 1993-03-22
Abstract: PURPOSE:To fully take advantage of the features of a face plate at striking a ball by providing a face plate made of materials of high elastic modulus on an open side of a cavity inside the face of the head frame body. CONSTITUTION:A head frame body 1 has a cavity part 4 between a part for face 2 and a back face 3 except a peripheral end part 2a and is provided with a face plate 5 made of materials of high elastic modulus such as CFRP(carbon fiber reinforced plastic), etc., in such a way as to close an open side 4a of the cavity part 4. Due to the cavity part 4, only the face plate 5 gets an impact of striking a ball, showing features of the plate made of elastic material. The head frame body 1 has a constitutional effect of weight adjustment of the whole, connection with and support of other weight member 9 and coupling with a shaft 7, etc., to keep a characteristic effect of metal material of high specific gravity and high strength.
Patent JP-H07294271-A (JP)
Title: Image recorder/player for vehicle
Inventor: ICHIURA SHUICHI
IPC: G01C21/00
Filed: 1994-04-25
Abstract: PURPOSE:To provide a navigation system for automobile in which accurate guidance of road is realized. CONSTITUTION:The moving image of background in the rear of a traveling vehicle is recorded on a magneto-optical disc 6. At the same time, a record address on the disc 6 at the nodes at the opposite ends of an image data corresponding to a link on a road map, through which a vehicle had traveled from a starting point to an end point with no deviation, is recorded as attribute information of the link on the magneto-optical disc 6. Consequently, a record address can be read out as attribute information from the disc 6 by designating a link therefor. An image data corresponding to the link between the nodes representative of the record address can be read out from the disc 6 and displayed on an LCD 8. When a vehicle is not traveling through a link designated for the disc 6 with no deviation from the starting point to the end point, a corresponding image data is not displayed on the LCD 8.
Patent JP-H09277701-A (JP)
Title: Thermal recording material
Inventor: TSUNODA TOMOHISA
IPC: B41M5/337
Filed: 1996-04-09
Abstract: PROBLEM TO BE SOLVED: To provide a thermal recording material which has high lubricity and is free from the sticking of refuse to a thermal head and the generation of a sticking phenomenon, and shows high recorded image density and outstanding recorded image preservability. SOLUTION: This thermal recording material consists of a thermal recording layer composed mainly of leuco dye and a developer and a protecting layer composed mainly of a water-soluble polymer compound which are sequentially laminated on a support. In this thermal recording material, the protecting layer contains a copolymerized polyethylene oxide (which is obtained by copolymerizing a polymerizable monomer with polyethylene oxide) particle with a smaller average grain size than the thickness of the protecting layer.
Patent JP-S63253178-A (JP)
Title: Runner for reversible pump-turbine
Inventor: ICHIKAWA KENTARO
IPC: F03B3/12
Filed: 1987-04-10
Abstract: PURPOSE:To prevent generation of cavitation, by forming the point end part of a runner blade into an oval shape and connecting it to a surface of the runner blade by a smooth curve. CONSTITUTION:A runner blade 3 forms its point end part into an oval shape in which a reference axial line b-b, tilting from the runner blade center line to the side of a tangential line a-a by the angle of 0 deg.-25 deg., serves as the major axis, and this oval shape is connected to a surface of the runner blade by a smooth curve. In this way, an angle of the major axis of the oval shape agrees almost with an inflow angle when a water turbine is in operation, and the runner blade 3, obtaining a stable flow along the blade surface, generates no separation phenomenon of flow in the vicinity of the point end part of the runner blade 3, even when the water turbine is in operation, enabling generation of cavitation to be prevented.
Patent JP-S60230045-A (JP)
Title: Cooling type dew point hygrometer
Inventor: SUZUKI YOSHIHIKO
IPC: G01N25/68
Filed: 1984-04-27
Abstract: PURPOSE:To improve reliability and simplify structure by using a thin film resistor or diffused resistor which serves as both a mirror surface and a heater, and measuring variation of reflected light on the mirror surface and dew point temperature at this time. CONSTITUTION:The thin film resistor 13 which has a thin film 11 as the mirror surface 12 for reflecting light on the surface is so provided that the temperature of a substrate 1 is measured by a temperature detector 14. Then, this is fed with a pulse current from a pulse current generator 18 to detects such a change that dew is exholed and stuck on the mirror surface 12 by a photodtector 17 from variation of reflected light from a light source lamp 16, and the temperature at this time is detected by a temperature detector 14. Consequently, the dew point hygrometer of reliable and simple structure which has no malfunction due to a stain of dust, oil, etc., on the mirror surface 12, external diffused light, etc., is obtained.