baber/WOPTO huggingface dataset:
Patent JP-H0685391-A (JP)
Title: Semiconductor optical waveguide
Inventor: KUWAZUKA HARUHIKO
IPC: H01S5/00
Filed: 1992-09-04
Abstract: PURPOSE:To provide a semiconductor optical waveguide having optical amplify ing function which can be fabricated easily and can amplify a signal light suffi ciently. CONSTITUTION:The semiconductor optical waveguide is constituted of a semiconductor core layer comprising a multiplex quantum well layer 3 having high refractive index, and semiconductor clad layers 2, 4 having low refractive index sandwiching the semiconductor core layer. Electrodes 51, 52, 53, 54 are formed at an interval on one semiconductor clad layer 4 and voltages having same polarity are applied between these electrodes and the other semiconductor clad layer 2 thus forming parts onto which an electric field, perpendicular to the semiconductor core layer, is applied and not applied periodically. An incident exciting light 9in and an incident signal light 10in are then entered from one end of the semiconductor core layer so that the signal light is subjected to optical parametric amplification at the part subjected to electric field perpendicular to the semiconductor core layer whereas the signal light is not attenuated at the part not subjected to the electric field thus obtaining an amplified signal light 10out at the other end.
Patent JP-H1082302-A (JP)
Title: Turbine rotor blade and hydrogen burning turbine plant equipped therewith
Inventor: KOGA AKINORI
IPC: F02C6/00
Filed: 1996-09-06
Abstract: PROBLEM TO BE SOLVED: To provide a plant having effective cooling, appropriate cooling supply and recovery, by forming a turbine rotor blade in such a way that a front edge is made to execute impinging cooling and film cooling of cooling steam and a rear edge is made to execute convection cooling by a high heat transfer coefficient in which a flow speed of cooling steam is increased. SOLUTION: In a turbine rotor blade 8, cooling steam(CS) is led to flow into a hollow by being divided into two systems of a front edge 18 side and a rear edge 19 side. The CS guided from a first cooling passage 20 to a front edge 18 is branched into a first front edge passage 22, a second front edge passage 23 and a first meandering passage 27. The cooling of the front edge 18 becomes impinging cooling by the collision of the jet of the CS and film-like protective film forming. Also, the CS guided from a second cooling passage 21 to a rear edge 19 is branched into a first rear edge passage 30, a second rear edge passage 31 and a second meandering passage 36. This CS can be convention-cooled by a comparatively high heat transfer coefficient.  The CS is adjusted to an appropriate pressure and temperature, supplied, and recovered to a hydrogen combustor after being cooled, therefore the thermal efficiency of a plant can be improved to more extent.
Patent JP-S6479253-A (JP)
Title: Epoxy resin molding material for sealing electronic component
Inventor: SUMI TAKESHI
IPC: H01L23/31
Filed: 1987-09-21
Abstract: PURPOSE:To obtain the title material having a high glass transition point and excellent heat resistance without detriment to its moisture resistance and curability, by mixing an epoxy resin with a specified melamine-modified phenol novolac resin. CONSTITUTION:A mixture of 1.0mol. of phenol with 0.3-0.6mol. of formaldehyde is reacted after the pH is adjusted to 2.0 or below with hydrochloric acid, p- toluenesulfonic acid or the like. 0.05-0.2mol. of melamine and 0.05-0.2mol. of formaldehyde are added to the reaction mixture, and the pH is adjusted to 8-10 with, e.g., NaOH or Na2CO3 to obtain a melamine-modified phenol novolac resin (B). 100pts.wt. epoxy resin (A) such as phenol novolac or bisphenol A epoxy resin is optionally mixed with 20-100pts.wt. component B as a curing agent, a cure accelerator (C) such as an imidazole or a tert. amine, and a filler (D) such as silica, alumina or clay.
Patent JP-H0764165-A (JP)
Title: Camera provided with zoom lens
Inventor: OSAWA TOSHIFUMI
IPC: G03B17/18
Filed: 1993-08-31
Abstract: PURPOSE:To surely carry out the guide display of the focal length information of a photogtaphic lens and exposure information at the time of zooming by a camera provided with a zoom optical system without increasing cost. CONSTITUTION:A display unit 7 normally displaying information on a variable for adjusting an exposure value by segments arrayed like a bar graph displays the information on the focal length of the photographic lens when the zoom optical system is driven by the instruction of an encoder 32 instructing the drive of a zoom optical system driving motor 35 and linked with the rotation of an operating member, and displays the information on the variable for adjusting the exposure set by a dial 6 for setting the information of the exposure, etc., and a switch 8 for setting an exposure correction value or manually a diaphragm value when the zoom optical system is not driven.
Patent JP-S60131003-A (JP)
Title: Operation control system of electric railcar
Inventor: OKAMATSU SHIGETOSHI
IPC: B60L9/18
Filed: 1983-12-16
Abstract: PURPOSE:To steplessly control a towing force and a brake force of an electric railcar in response to a load at that time by instructing the output frequency of an inverter controller of an induction motor for driving the railcar on the basis of a speed command. CONSTITUTION:An automatic train operation controller 2 reads out a speed pattern 24 from a train position signal 100, and outputs a frequency command signal 206 formed by correcting the pattern 24 by a train speed 102. On the other hand, DELTAfS obtained by subtracting the maximum output current IPMAX in response to a response load output 104 and a detected current IM is fed to a limiter 138 to obtain a correction signal DELTAfSS. The signal 206 is corrected by the signal DELTAfSS to obtain a frequency command fINV, and a voltage command VM is obtained through a frequency/voltage converter 134. An inverter 14 receives these signals fINV, VM to decide inverter frequency and output voltage.
Patent JP-H1057833-A (JP)
Title: Discharge impact breakage apparatus for reinforced concrete member and method thereof
Inventor: ITO KOICHIRO
IPC: B02C19/18
Filed: 1996-08-21
Abstract: PROBLEM TO BE SOLVED: To enable a process in which a reinforced concrete member is broken automatically and safely by a method in which the a portion to be broken such as rock and stone is put in liquid, when the portion is broken in the liquid, the reinforcing bars of a reinforced concrete member are connected with a grounding wire, and a high voltage pulse is applied between a discharge electrode and the reinforcing bars. SOLUTION: When a reinforced concrete pile 10 is cut and crushed in the earth in underground extension work, etc., liquid 30 of water, oil, etc., is injected into the hollow part 11 of the pile 10. A discharge electrode 21 is put into the liquid 30 to approach or contact the inner wall of the pile 10, the electrode 21 is connected with a high voltage pulse generator 20. Besides, the reinforcing bars 12 in the pile 10 are connected with a grounding wire 22 led from the generator 20. In this state, when a high voltage pulse is output from the generator 20, discharge occurs between the electrode 21 and the bars 12, the concrete is broken by impact waves by the discharge, and the residual bars 12 are cut by a reinforcing bar cutter etc.
Patent JP-S60134008-A (JP)
Title: Apparatus for discharging thin-skin cocoon from reeled yarn container of direct reeling frame
Inventor: NAGATA HAJIME
IPC: D01B7/04
Filed: 1983-12-16
Abstract: PURPOSE:To separate the unreelable thin-skin cocoon from chrysalis and prevent the long residence of the cocoon in the reeling bath before discharge, by placing a reeling water outlet ejecting the reeling water horizontally under the level of the reeling water and opening the outlet at the circumference of the reeling tank. CONSTITUTION:The reeling water outlet 18 ejecting the reeling water parallel to the surface of the reeling water is placed under the surface of the reeling water and under the cocoons floating on the water in the reeling tank. The outlet 24 is opened at the circumference of the reeling tank 2 under the surface of the reeling water. The chrysalis sunk under the water is transferred by the flow of the reeling water toward the circumferential outlet of the reeling tank 1 while preventing the escape of the floating reelable cocoons.
Patent JP-S61118304-A (JP)
Title: Herbicide
Inventor: YANAI TOSHIAKI
IPC: A01N43/56
Filed: 1984-11-13
Abstract: PURPOSE:The titled heribicide making perennial weeds such as bulrush, etc., particularly in paddy fields, and caryophyllaceous weeds such as Stellaria neglect Weiche, etc., in paddy fields into chlorosis and withering them, having no phytotoxicity to crops such as rice plants, etc., containing a pyrazole derivative as an active ingredient. CONSTITUTION:A herbicide containing a pyrazole derivative shown by the formula I (R1 is H, or methyl; R2 is halogen, nitro, or methyl; n is 2 or 3, R2 may be the same or different in that case; R3 is H, or methyl) as an active ingredient. When it is used, the active ingredient is blended with a carrier, and if necessary, other auxiliaries, and adjusted to a formulation usually usable as a herbicide, and used. The active ingredient shown by the formula I is novel except compounds where R1 is meth-yl, (R2)n are 2,4-dichloro, and R3 is H, and synthesized by reacting a 5-hydroxypyrazole derivative shown by the formula II with an alpha-halomethylbenzyl alcohol shown by the formula III (X is halogen) in the presence of a catalyst.
Patent JP-H01133957-A (JP)
Title: Fluoride glass and its production
Inventor: JIYAKUU RUKASU
IPC: C03C6/06
Filed: 1987-09-24
Abstract: PURPOSE: To obtain a fluride glass that has a good viscosity and is slow in recrystallization rate at a low cost, by incorporating essential components consisting of respective prescribed ratios of ZrF 4 , ThF 4  and LF 3  and auxiliary components consisting of a mixture composed of LiF and NaF, a mixture composed of BaF 2 , PbF 2  and CaF 2  and AlF 3  into the glass.  
     CONSTITUTION: A specified amt. of NH 4 HF 2  is added to a homogenous mixture formed by mixing the metal oxides and metal fluorides of raw materials at such a ratio at which the essential components of the glass compsn. consist of 0.53 mol ZrF 4 , 0.077 mol ThF 4  and 0.042 mol LF 3  and that the auxiliary compsn. consists of the mixture composed of 0.069 mol LiF and 0.034 mol NaF, the mixture composed of 0.22 mol BaF 2 , 0.018 mol PbF 2  and 0.004 CaF 2  and 0.006 AlF 3 . The mixture is heated for about 30 minutes to 300 to 400°C. Next, the resulted lump is heated to about 800°C and the molten lump from which the excess NH 4 F is discharged is refined and homogenized by a method, such as stirring the mixture at the temp. described above. 
     COPYRIGHT: (C)1989,JPO
Patent JP-S6393865-A (JP)
Title: High-toughness coated sintered hard alloy
Inventor: TANIGUCHI YASURO
IPC: C23C16/32
Filed: 1986-10-06
Abstract: PURPOSE:To improve the resistance to chipping, thermal impact and exfoliation of a titled alloy, by forming an intermediate layer which is lean of a cubic compd. between a sintered hard alloy and hard coating layer and maximizing the quantity of the bond phase in the intermediate layer on the surface of the intermediate layer in contact with the hard coating layer. CONSTITUTION:The sintered hard alloy consisting of the 1st hard phase of WC, the 2nd hard phase of the N-contg. cubic compd. consisting of >=2 kinds of the carbide and nitride of group 4a, 5a and 6a metals of periodic table, a bond phase of >=1 kinds among Fe, Ni and Co and unavoidable impurities is prepd. The intermediate layer which is leaner in the above-mentioned 2nd hard phase than in the sintered hard alloy is formed on the surface of such sintered hard alloy and thereafter, a single or multiple layers of the hard coating layers are formed by a chemical vapor deposition, etc., on the surface of the intermediate layer by which the coated sintered hard alloy is prepd. The titled alloy adjusted in such a manner that the quantity of the bond phase in the intermediate layer is higher than in the sintered hard alloy and is maximized on the surface of the intermediate layer in contact with the hard coating layer is thus obtd.
Patent JP-H04117795-A (JP)
Title: Muse-ntsc converter coping with edtv
Inventor: SETO HITOSHI
IPC: H04N11/14
Filed: 1990-09-06
Abstract: PURPOSE:To prevent any flicker from being caused even in a still picture region by implementing inter-frame interpolation processing in the still picture region. CONSTITUTION:An output signal of a de-emphasis circuit 3 is inputted to an inter-frame interpolation circuit 17. A one-frame delay circuit 18 delays an output signal of a one-frame delay circuit 6 by one frame further and the result is outputted to a movement detection circuit 7. The inter-frame interpolation circuit 17 multiplexes a picture element of a current field and a picture element of one preceding field, and a control signal used at that time is switched into a control signal superimposed on a MUSE signal and one picture element interposed between frames is decided by the control signal. Thus, the inter-frame interpolation processing is constituted to be implemented in the is still picture region. Thus, the circuit scale is reduced and picture quality with high resolution not causing flicker in the still picture region is obtained.
Patent JP-S60166656-A (JP)
Title: Manufacture of urea
Inventor: KEESU YONKAASU
IPC: C07C273/04
Filed: 1984-11-13
Abstract: Process for preparing urea in which,
 in a synthesis zone, at a pressure of 125-350 bar and at the temperature belonging thereto, a urea synthesis solution containing carbamate and free ammonia is formed from carbon dioxide and an excess of ammonia,
 in a first decomposition step, at synthesis pressure or lower, a part of the carbamate is decomposed by supply of heat and the gas phase obtained in this process is condensed in a first condensition zone,
 in a second decomposition step, at a pressure of 4-40 bar, a further part of the carbamate still present is decomposed by supply of heat and the gas phase formed is separated off,
 in a further step, the remaining carbamate is removed in the form of a gas mixture containing ammonia and carbon dioxide, and this gas mixture is processed to form a solution of ammonia and carbon dioxide in water,
 and the remaining urea-containing solution is processed to form a concentrated urea solution. 
<??>The urea solution to be concentrated is introduced into the tubes of a shell and tube heat exchanger, the gas mixture from the second decomposition step is led into the shell side of heat exchanger at the end opposite the place where the urea solution to be concentrated is fed, the solution of ammonia and carbon dioxide in water is fed to the said shell side at a place located between the inlet for the gas mixture and the inlet for the urea solution to be concentrated, and the condensate is discharged from the shell side at the end where the urea solution is led into the tubes.
Patent JP-H1157025-A (JP)
Title: Universal treatment bed
Inventor: ISHIKAWA HIROSHI
IPC: F02D41/00
Filed: 1997-08-19
Abstract: PROBLEM TO BE SOLVED: To obtain excellent treatment effects by performing selectively ion static treatment, vibratory massage treatment and calefacient treatment by providing an ion static treatment mat on a bed and providing multiple devices where massage and foot warmer are combined usably. SOLUTION: A patient who needs treatment of ischialgia, low back pain, disk herniation, stroke aftereffects, bronchial asthma, constipation, primary hypertension or a hypotensive disorder is laid on a bed 1, ion static treatment with an ion static mat 3 or treatment of a part needing treatment with multiple massager-warmers in combination with the ion static mat 3 is made in accordance with the condition of the patient with a remote control 5. The remote control 5 is structured so as to allow the patient 2 to turn on and off a power supply of a treatment device 4 that the patient needs and set treatment time of the treatment device 4 during treatment. Plural massager-warmers 4 are used and applied to affected parts that need them.
Patent JP-H1082319-A (JP)
Title: Radiator unit
Inventor: MASUDA AKIRA
IPC: F01P3/18
Filed: 1996-09-09
Abstract: PROBLEM TO BE SOLVED: To utilize a car running wind effectively as well as to prevent any circulating current of air bumped to an exhaust manifold surely from occurring, in regard to this radiator unit which is composed of setting up a shroud upon covering a radiator's core part and also a motor fan in this shroud, respectively. SOLUTION: In this radiator unit being made up of setting up a shroud 51, covering a core part 41, on a surface, turning to the side of an engine 35, of this core part 41 of a radiator 31 to be set up in front of this engine 35, and also a motor fan 57 in this shroud 51, this shroud 51 is set up at the side of an exhaust manifold 35a of the engine 35 in the horizontal direction of the core part 41, and simultaneously a running wind inlet area 59 being uncovered by the shroud 51 is formed at the opposite side to the side of the exhaust manifold 35a of the engine 35 in the horizontal direction of the core part 41.
Patent JP-H07179457-A (JP)
Title: N-substituted imidazole derivative
Inventor: TAKASHIMA JUNKO
IPC: A61P3/08
Filed: 1994-09-30
Abstract: PURPOSE:To provide a new N-substituted imidazole derivative useful as an excellent antihypertensive agent and a preventive agent and a therapeutic agent for ischemic heart diseases such as angina pectoris or myocardial infarction, having lowering action on blood sugar and an lipid and antihypertensive action. CONSTITUTION:This n-substituted imidazole derivative of formula I (A is group of formula II or formula III, preferably group of formula II; X is O, NHCO or NH; l is 2-6 integer; m is 0 or 1; n is 1 or 2; rings alpha, beta and gamma each is a halogen, a 1-3C alkyl, etc.), its salt or hydrate such as 4-[3-(4,5-dicyano-1- imidazolyl)propoxy]-1,3-benzodioxole, etc. The compound of formula II is obtained by bonding a straight-chain alkyl substituted with an eliminable group at the end group to a hydroxyl group of a (substituted) phenol derivative or a (substituted) benzyl alcohol derivative and finally replacing the eliminable group with a (substituted) imidazole or a (substituted) benzimidazole.
Patent JP-H1184928-A (JP)
Title: Fixing device
Inventor: OTA MITSUHIRO
IPC: G03G15/20
Filed: 1997-09-03
Abstract: PROBLEM TO BE SOLVED: To provide a fixing device made possible to facilitate the periodical maintenance. SOLUTION: In this fixing device 7 provided with a fixing roller 8 (fixing member), a pressure member disposed so as to be held in press contact with the fixing roller 8, an oil applying device (releasing agent applying device) 12 applying the oil (releasing agent) on either one hand of these fixing roller 8 or the pressure member, the oil feeding member (applying surface member) 16 of the oil applying member in the oil applying device 12 is constituted so as to be freely replaceable. In such a manner, by means of replacing the oil feeding member 16 at need, the periodical maintenance or the maintenance when occurring abnormality is facilitated, therefore the handling time of a service man is saved.
Patent JP-S6299026-A (JP)
Title: Chuck device
Inventor: MIHATA KIMIO
IPC: B23P19/04
Filed: 1985-10-24
Abstract: PURPOSE:To stably hold a spring member by providing chuck claws which interposingly hold the coiled part of said spring member while simultaneously interposingly holding an arm part which extends from said coiled part, to guide said spring member. CONSTITUTION:When air pressure is fed from a port 13, pistons 12a, 12b are pushed outward respectively, causing chuck arms 16a, 16b to swing, to close chuck claws 22a, 22b. Since the piston 12a which has a larger diameter than the piston 12b, has a larger force, the chuck claw 22a is closed while pushing the chuck claw 22b. The backing of the pushed chuck claw 22b is stopped in a position in which the chuck arm 16b is brought into contact with a stopper 19b. And, a spring member 3 can be stabilized, with not only its coiled part 3a but also its arm part 3b being simultaneously held between the chuck claws 22a, 22b.
Patent JP-S6480218-A (JP)
Title: Digger
Inventor: KAWAKAMI YOSHIYUKI
IPC: A01D17/00
Filed: 1987-09-22
Abstract: PURPOSE:To collect harvested crops of each step on a field in a row, by providing a chute in a state freely rotatable relative to the delivery part of an endless belt of a lateral conveyor and suspending the lateral conveyor at the rear part of the main body frame in a state freely movable in lateral direction. CONSTITUTION:A lateral conveyor 39 is suspended at the rear part of a main body frame in a state freely movable in lateral direction without being influenced with soil, stone, dust, etc. The moving direction of the endless belt 53 of the lateral conveyor is made freely switchable between forward and backward motion. A chute member 66 is placed in a state freely rotatable relative to the delivery part of the endless belt 53. The chute is made to contact with or separate from the main body frame by the lateral motion of the lateral conveyor to enable the lifting of the chute. The harvested crops can be released toward the part under the lateral conveyor.
Patent JP-S6392171-A (JP)
Title: Gamma correction circuit for liquid crystal television
Inventor: SUEOKA KAZUHIKO
IPC: H04N5/66
Filed: 1986-10-07
Abstract: PURPOSE:To attain a gamma correction with a simple constitution by using an A/D converter having a nonlinear input and output characteristic in a video signal processing part in a liquid crystal television driving circuit and converting the video signal into the liquid crystal television driving signal. CONSTITUTION:A reference voltage is divided equally into six by six resistances R and the voltage obtained by dividing into six goes to the comparison reference voltage of comparators 17-22. When the input voltage of the comparator is defined to be V and the reference voltage to be VREF, for instance, if 3/8VREF <V<=4/8VREF, the output of the comparator 17 goes to a high level. Since the outputs of other comparators 18-22 to go low level output data D1, D2, D3=1, 0, 0 and the input and output characteristic of the AD converter is nonlinear. Accordingly, the A/D converter having the nonlinear characteristic suitable for the liquid crystal television driving is obtained and a characteristic near to a gamma correction curve can be realized.
Patent JP-S60130608-A (JP)
Title: Production of copolymer for paint
Inventor: TAN RIYOUJI
IPC: C08F20/26
Filed: 1983-12-16
Abstract: PURPOSE:To obtain a copolymer for a paint which can give a film excellent in weather resistance, heat resistance, etc., by copolymerizing a specified hydrogenated dicyclopentadiene derivative with a carboxyl group-containing unsaturated monomer and a copolymerizable unsaturated monomer. CONSTITUTION:A mixture is prepared from (A) 20-99.9wt% hydrogenated dicyclopentadiene derivative of the formula (wherein R is H, a lower alkyl or a halogen, R' is a bivalent organic group, and n is 0-1), e.g., tricyclodecyloxyethyl acrylate, (B) 30-0.1wt% carboxyl group-containing unsaturated monomer (e.g., acrylic acid or fumaric acid), and (C) 0-79.9wt% unsaturated monomer copolymerizable with components A and/or B (e.g., methyl acrylate or styrene) so that the total weight may be 100wt%. This mixture is copolymerized by a solution polymerization process, an emulsion polymerization process, or the like to obtain the purpose copolymer for a paint.