baber/WOPTO huggingface dataset:
Patent JP-S62177734-A (JP)
Title: Optical head
Inventor: MATSUI TSUTOMU
IPC: G11B7/135
Filed: 1986-01-31
Abstract: PURPOSE:To make parts constituting an astigmatism system unnecessary by emitting a laser beam on the returning path obliquely to the side face of a beam splitter to generate astigmatism. CONSTITUTION:The exit light from a semiconductor laser 11 is focused on an optical disc D, and its return light is converged by a collimator lens 13 and is reflected on a beam splitter 12. A reflecting face 121 of the splitter 12 is inclined at an angle theta0 smaller than 45 deg. to the optical axis of the exit light from the laser 11, and the angle of the return light reflected on the reflecting face 121 is set to an acute angle theta1 (90 deg.>theta1>48.2 deg.) to said optical axis. The return light reflected on the reflecting face 121 is converged in only the direction parallel with the optical path of the going path by the side face of the splitter 12, and astigmatism occurs in the return light thereby,,and it reaches a photodetector 15 and is received and detected. Thus, optical parts constituting the astigmatism system are made unnecessary and the optical path length is shortened.
Patent JP-S62177469-A (JP)
Title: Radar equipment for marine vessel
Inventor: OGAWA TETSURO
IPC: G01S13/87
Filed: 1986-01-31
Abstract: PURPOSE:To improve the reliability of a radar image by putting the 1st and 2nd radar antenna mechanisms in partial charge of individual azimuth angle ranges respectively. CONSTITUTION:The azimuth angle ranges of target detection are assigned to the 1st and the 2nd radar antenna mechanisms 2A and 2B so that the bow-directional azimuth angle range is assigned to the mechanism 2A mounted at the bow part and the stern-directional azimuth angle range is assigned to the mechanism 2B mounted on the stern part; and the mechanisms 2A and 2B are rotated by a synchronizing control part 4 synchronously with each other. When detection is performed in the bow-directional azimuth angle range, detecting operation on the side of the mechanism 2B is stopped by a detection switching control mechanism 6 and when the mechanisms 2A and 2B further rotate and the stern-directional azimuth angle range is detected, detection on the side of the mechanism 2A is stopped by the mechanism 6. Therefore, the mixing of indirect noises, etc., due to the transmission and reception of an unnecessary microwave and even if there is a structure which reflects a radio wave to form a virtual image between the bow and stern, an azimuth angle is set by evading the structure to remove the virtual image, thereby improving the reliability of the radar image.
Patent JP-S60165545-A (JP)
Title: Ultrasonic probe
Inventor: TAKESUTE YOSHINORI
IPC: G01N29/24
Filed: 1984-02-08
Abstract: PURPOSE:To facilitate maintenance operation by providing a small-diameter part adjacently to the storage container of a scan driving part, and allowing an internal container and an external container assembled across an O ring to move to the small-diameter part individually. CONSTITUTION:The external container 31 is assembled at both ends of the internal container 30 across the O ring 32, and the flange 34 of the small-diameter part 33 made of an elastic body of rubber, etc., is connected to the end part of the internal container 30 with a ring 35 to clamp the flange 34 irrelevantly to the external container 31. Then, the external container 31 is allowed to slide along the internal container 30 onto the samll-diameter part 33 completely independently, and the internal surface of the samll-diameter part 33 is given strength with a reinforcing material 36 such as cloth to prevent the breaking of wiring due to torsion, etc. Consequently, the scan driving part stored in the internal containr is exposed to nearly 100%, so the maintenance operation is facilitated and electric and mechanical reliability is improved.
Patent JP-H03223588-A (JP)
Title: Airtight seal piping connecting device
Inventor: ONO KOICHI
IPC: F16L23/032
Filed: 1990-01-30
Abstract: PURPOSE:To realize electric insulation as well as an ultra-high vacuum airtight sealing by providing a first flange of a first piping, a second flange of a second piping, a gasket member of an electric insulating material, and a fastening metal to fasten and fix, and fastening the fastening metal for airtight sealing. CONSTITUTION:A vacuum duct 12 is provided in a metal vacuum box 10, and a flange 13 is provided at the top of the vacuum duct 12. A flange 21 is provided to a vacuum duct 20 at the opposite side. Between the flanges 13 and 21, a gasket 30 of a synthetic resin material or the like with an electric insulating property is held. The outside of the flanges 13 and 21 is fastened and fixed with a clamp metal 40. By fastening a bolt 42 of the clamp metal 40, the gasket 30 is deformed and the airtight sealing between both flanges is accomplished. As a result, the electric insulation between the pipings to be connected each other can be realized while accomplishing the airtight sealing.
Patent JP-S55112561-A (JP)
Title: Concentration measuring method of acidic hydrogen peroxide solution
Inventor: TANIGAWA TOORU
IPC: G01N27/06
Filed: 1979-02-22
Abstract: PURPOSE: To make power reduction and automatization possible by measuring the oxidation and deoxidation potential, the conduction degree, or pH of a diluent after diluting acidic hydrigen peroxide solution with water and by obtaining the hydrogen peroxide concentration or the acid concentration of a nondiluent from the measure value above.  
     CONSTITUTION: Acidic hydrogen peroxide solution and diluent water are continuously sent to compounding tank E with quantitative pump P by a prescirbed quantity respectively, and they are mixed by agitator F, and the temperature of them is made constant by temperature control system G. This liquid is sent to measure tank H continuously, and the hydrogen peroxide concentration and the acid density are measured by oxidation and deoxidation potentiometer I and pH meter or conduction degree meter J and are inputted to an indicator or a recorder with a potential or a current. On a basis of these measured values and dilution, the acid concentration and the hydrogen peroxide concentration of a nondiluent are obtained. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H03225096-A (JP)
Title: Multiple cylinder rotary compressor
Inventor: SAWAGATA MASATOSHI
IPC: F04C23/00
Filed: 1990-01-29
Abstract: PURPOSE:To reduce heating of intake gas so as to improve intake efficiency and improve volume efficiency on the whole by providing the axial center of an axial hole provided at a middle plate in such a way as to be decentered toward the high pressure region side in a cylinder in relation to the axial center of the cylinder. CONSTITUTION:Between cylinders A, B, there is provided interposingly with a middle plate 9 having an axial hole 8, passing through a connecting part 7 between eccentric parts 1, 2, opened at the center part thereof. The axial center P of the axial hole 8 provided at the middle plate 9 is provided being decentered toward the high pressure chamber 19 side in the cylinders A, B in relation to the shaft center of a driving shaft 13, that is, the axial center O of the cylinders A, B. The minimum seal width deltab secured at a part adjacent to a low pressure chamber 17 becomes large in relation to the minimum seal width deltaa secured at a part adjacent to the high pressure chamber 19, and through this large seal width deltab, the lower pressure chamber 17 is brought into contact with a high pressure atmosphere, more precisely, with the high pressure atmosphere between a roller and an eccentric pin part forming an eccentric part, so that sufficient sealing is performed.
Patent JP-H02201076-A (JP)
Title: Fluid compressor
Inventor: SONE YOSHIKUNI
IPC: F04C18/344
Filed: 1989-01-30
Abstract: PURPOSE:To enhance the sealing performance and the compression efficiency by fitting a rotor in a cylinder in an enclosed chamber, forming a spiral groove at its periphery, and fitting a spiral blade sliding on the cylinder bore in this groove in such a way as possible to protruding and retracting in the radial direction. CONSTITUTION:A stator 5 of an electromotive element 3 is fixed to the inner surface of an enclosed case 2, and a cylinder 7 is fitted on a rotor 6 arranged inside thereof, wherein the two ends are supported rotatably by bearings 8, 9, which are provided with a suction port 16 and a discharge port 18, respectively. A piston 10 is fitted in this cylinder 7 as a rotating element eccentrically in an amount (e). This piston 10 is provided at its periphery with a spiral groove reducing its pitch from the suction side gradually toward the discharge side, and a spiral blade 17 is fitted in this groove. This blade 14 shall have appropriate elasticity and be installed capable of advancing and retreating in the radial direction with respect to the groove 12 so that it sliders on the bore of the cylinder 7.
Patent JP-S54113089-A (JP)
Title: Assembly method of cable connections and its assembly
Inventor: SHINBA HIROSHI
IPC: H01R43/00
Filed: 1978-02-23
Abstract: PURPOSE: To perform exactly and easily the sealing operation of connected portion by the procedure in which the circumference of connected portion is covered with vertically halved covers, then conical positioning parts for covering the ends of the covers and cable, and then the outside of these is further covered with a thermo- shrinking tube.  
     CONSTITUTION: The both ends of the cables 4 and 4' are connected with the connector 5 and then the outside of the connected portion is covered with the vertically halved segments 3' and 3" to form a cylindrical barrier(protective cover) 3. Then, the conical positioning parts 6 and 6' through which the cables 4 and 4' are beforehand inserted are moved to the ends of the cylindrical barrier 3, and then the thermo-shrinking tube 2 through which the cable 4 or 4' is in advance inserted is moved to a predetermined position and then shrinked by heating. The aforesaid positioning part 6(or 6') consists of the cylinder 6a with a cylindrical form fittable with the outside circumference of the cylindrical barrier 3 and the conical part whose end hole 6b coincides with the outside circumference of the cable 4. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S57134931-A (JP)
Title: Method of exposing semiconductor to light
Inventor: HIDA KIYOBUMI
IPC: H01L21/027
Filed: 1981-02-13
Abstract: PURPOSE:To eliminate misalignment with a mask and to effect uniform exposure to light by a method wherein either one of a wafer or a mask is held flat but the other one is forced into arc shape to cause successive linear contact between both. In addition, exposure to light is limited only to the linear contacting zone. CONSTITUTION:The left-hand edge of a wafer m1 is in close contact with the left-hand edge of a mask n1 and the mask is held level. On the other hand, a lighting sleeve 18 is provided at a specified position over the contacting line P between the wafer and the mask to expose the left-hand edge of the wafer m1 at right angle with parallel rays 19 at the contacting line P. Then, the wafer chuck 15 is gradually swung toward the left and the mask is horizontally moved left synchronously with movement of the wafer so as to shift the contacting line P grandually. In this way, the parallel rays 19 allow the wafer to be exposed gradually from the left-hand edge m1 toward the right. Upon the right-hand edge of the wafer m2 being exposed, exposure of the wafer to the light is completed.
Patent JP-S59146056-A (JP)
Title: Printing method of photopolymerizable resin film formed on substrate for printed wiring board
Inventor: YOSHIDA SUMIO
IPC: H05K3/00
Filed: 1983-02-09
Abstract: PURPOSE:To eliminate the deviation in a process film and to improve the dimensional accuracy of printed circuits by placing a transparent plate provided with air discharging grooves between the process film superposed on a photopolymerizable resin film and a transparent flexible film. CONSTITUTION:A process film 2 is superposed on a substrate 1 for a printed circuit board formed with a photopolymerizable resin film and a transparent plate 3 provided with air discharging grooves 11 on the surface that contacts with the film 2 is further placed thereon. The assembly thereof is sandwiched with a transparent support plate 5 of a printing machine and a transparent flexible film 4 and are subjected to exposure and printing in a vacuum state. The movement of the film 2 that arises in the stage of the vacuum state is thus suppressed by the plate 3 and air is removed through the grooves 11 provided to the plate 3, by whic the tight contact condition between the film 2 and the substrate 1 formed with the photopolymerizable resin film is made thorough and the dimensional accuracy of the printed circuit is improved.
Patent JP-H03228967-A (JP)
Title: Field work process of fiber-reinforced cement by direct spray method, and slab waterproof process and device applying such work process
Inventor: SHIMABUKURO YOSHINOBU
IPC: E04B1/66
Filed: 1990-02-01
Abstract: PURPOSE:To improve the workability and to reduce the cost by loading a direct spray device on a vehicle, feeding a mortar with a slurry transport pipe in the working site, and spraying it directly on the surface of a work through a spray head. CONSTITUTION:A direct spray device is loaded on a lift vehicle 1 and made possible to move to a working field freely. Then, a mortar is fed to the working site with a slurry transport pipe 11 in the working field, and sprayed directly on the surface of a work from a spray head 13 provided at the tip of the slurry transport pipe 11. In such a way, the field work of a fiber-reinforced cement including a reinforcement fiber is carried out. Consequently, the work of fiber reinforced cement by a direct spray method outside a work shop can be carried out, and a slab waterproof layer can be formed in a thin layer.
Patent JP-2000217758-A (JP)
Title: Electric cleaner
Inventor: NAKAGAWA SHUJI
IPC: A47L9/28
Filed: 1999-01-28
Abstract: PROBLEM TO BE SOLVED: To prevent reactance from being operated when a higher harmonic wave current component is small in simple configuration concerning a control circuit using the reactance for removing the higher harmonic wave current component generated by the phase control of an electric cleaner. SOLUTION: Concerning the control circuit for electric cleaner having reactances 7 and 8 for decreasing the higher harmonic wave current component, changeover switches 5 and 6 to be interlocked are provided at the operating part position of a variable resistor 9 composing one part of a phase control circuit 11 for varying input to a motor 1 and at the time of maximum input, or when a third higher harmonic wave current is 2A or lower at which the higher harmonic wave current component does not affect other equipment, the changeover switches 5 and 6 are closed so that the reactances 7 and 8 are not operated.
Patent JP-H03227719-A (JP)
Title: Corner piece configuration for vehicle door
Inventor: FUJIHIRA JUNICHI
IPC: B60J5/04
Filed: 1990-01-31
Abstract: PURPOSE:To freely set up the hold pressing force of a vehicle inside and a vehicle outside lip against a pane of door glass by forming the apex section of a core bar in such a way as to be freely bent, and concurrently interposing an adjust bolt which adjusts a gap between the vehicle inside and vehicle outside lips, between both of the side pieces of a main body in which the core bar is embedded. CONSTITUTION:A corner piece 11 is made up out of a main body 12 made of rubber and of a core bar made of metal which is embedded within the main body. In this case, the main body 12 is furnished with both side pieces 14 and 15 through which the tip section of a pane of door glass 9 is inserted, and with a vehicle inside and a vehicle outside lip 16 and 17 which hold the inner and outer surface of the pane of door glass 9 with pressure. On the other hand, the core 13 consists of divided side sections 19 and 20 each of which is extended along each inner section of both of the side sections 14 and 15 so as to be set. In this case, both of the divided sections 19 and 20 are connected to each other by a hinge 21 at the opposite end peripheries of them in vicinity of the apex section. In addition, the shaft section 18a of an adjust bolt 18 adjusting a gap S between the vehicle inside and vehicle outside lips 16 and 17 is inserted into the through holes 14a and 15a of both of the side pieces 14 and 15 and into the hole 19a and the bolt hole 20a of both of the divided sections 19 and 20.
Patent JP-2000219662-A (JP)
Title: Amino ether carboxylic acid or its salt and its production
Inventor: SUMITA YASUTAKA
IPC: C07C227/16
Filed: 1999-01-28
Abstract: PROBLEM TO BE SOLVED: To obtain the subject new compound useful as a chelating agent having high water solubility, chelating performances and biodegradability by making the compound include an amino ether carboxylic acid. SOLUTION: This compound is shown by formula I [X1 and X2 are each an alkali metal or the like; R1 and R2 are each H or a group of the formula CH(COOX3)CH2(COOX4) (X3 and X4 are each an alkali metal or the like)] such as tetrasodium salt (II) of amino ether carboxylate. The compound of formula I is obtained by reacting 1 mol of an aminoalcohol of formula III with preferably 1.5-3 mols of maleic acid and/or its salt (e.g. maleic acid or maleic anhydride) in the presence of a rare earth metal salt (e.g. lanthanum) in an aqueous medium preferably at 80-120 deg.C for 2-5 hours. The amount of the rare earth metal salt is preferably 0.02-1.2 mol equivalent based on maleic acid and/or its salt.
Patent JP-S58137871-A (JP)
Title: Cleaning device for electrostatic recording device
Inventor: ITAYA MASAHIKO
IPC: G03G21/00
Filed: 1982-02-10
Abstract: PURPOSE:To obtain a brush cleaning device for a one-compnent magnetic toner which can be applied to high-speed copy and has a high cleaning effect, by using a magnetic brush, an electrode, etc. to utilize magnetic and electric attractions. CONSTITUTION:An excess one-component magnetic toner of a recording drum 1 is swept off by a magnetic brush which is formed by a sleeve 4, a magnetic roller 2, etc. consisting of magnetic particles. The one-component magnetic toner in the magnetic brush is attracted to a toner recovering electrode 5 by the electric field generated by the electrode 5 and is recovered through a scraping member 8 or the like. By this constitution where the magnetic attraction due to the magnetic brush is not used for development but is used exclusively for cleaning, and the electric attraction due to the electrode is used, and brush cleaning device for the one-component magnetic toner which can be applied to high-speed copy and has a high cleaning effect is obtained.
Patent JP-H08220987-A (JP)
Title: Braille display method
Inventor: IIZUKA JUNICHI
IPC: G09B21/00
Filed: 1995-02-08
Abstract: PURPOSE: To recognize a small letter/a capital letter, etc., and to recognize a layout itself of a Kana(Japanese syllabary)/Kanji(Chinese characters) mixed sentence by displaying a phonogram with braille making correspond to the layout of one by one. CONSTITUTION: A braille conversion means 2 of an information processor 1 impresses points 7 and 8 to the braille, and converts a small letter and a capital letter, etc., in an inputted character string to one frame by using these points 7 and 8 to display it as a braille made to correspond to a one to one layout. Further, the braille conversion means 2 converts an inputted Kanji to a braille of two frames to display the Kana/Kanji mixed sentence with the braille made to correspond to a one to one layout.  Further, the braille conversion means 2 impresses 7, 8 points to the braille for the inputted Kana/Kanji mixed sentence, and converts a small letter/a capital letter, etc., to one frame by using these points 7 and 8, and convert the Kanji to two frame, and displays the inputted Kana/Kanji mixed sentence containing the small letter/the capital letter, etc., with the braille making correspond to a one to one layout.
Patent JP-H09208391-A (JP)
Title: Production of superconducting thin film
Inventor: TSURU KOUJI
IPC: C01G3/00
Filed: 1996-02-07
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing an oxide superconducting thin film excellent in surface smoothness, having a high action temperature and a low surface impedance, and suitable for a high frequency passive element or a laminated active element on the surface of a perform plate having a low specific inductive capacity and a large lattice mismatch with the super conduc tive membrane. SOLUTION: This method for producing a superconducting thin film is to form an oxide superconducting thin film having a prescribed thickness on a preform plate arranged in a vacuum device. By stopping the film formation for a prescribed period of time and annealing the formed oxide superconducting thin film under an atmosphere of argon or a mixed gas of argon with oxygen, a lattice mismatch moderating layer is formed. In succession, by forming the thin film on the lattice mismatch moderating layer, the oxide superconducting thin film having a slow surface resistance and excellent in surface smoothness is formed.
Patent JP-H02202012-A (JP)
Title: Charged particle beam lithography device
Inventor: SUZUKI SHOHEI
IPC: H01L21/027
Filed: 1989-01-31
Abstract: PURPOSE:To unnecessitate a prealignment work by a method wherein a patterning is conducted using a lithography device while a sample stage is being moved in the direction almost in coincidence with the orientation flat direction of a substrate, or in the direction of a matching mark. CONSTITUTION:The offset amount between the orientation flat direction of the substrate 20 on a sample stage 33, or the direction of at least two prescribed alignment marks, and the coordinate value of the mark based on the coordinate value of the prescribed alignment mark and the design data, is detected. The sample stage 33 is shifted to the detected direction A, and based on the design correction data obtained on the basis of the detecting direction A and the offset amount, an auxiliary deflection command device 38 and a main deflection command device 39 are controlled, and a patterning is conducted on a wafer 20. As a result, the shifting of the sample stage 33 in X-direction or Y-direction is stopped, the sample stage 33 can be continuously shifted in the direction where chips are arranged, and a prealignment is unnecessitated.
Patent JP-H0560889-A (JP)
Title: Fuel assembly for light-water nuclear reactor
Inventor: OROFU NIIRUNDO
IPC: G21C3/33
Filed: 1992-02-06
Abstract: PURPOSE: To effectively capture fragments in order to prevent wear damage of a fuel rod which is to be caused by the fragments. CONSTITUTION: A bottom tie-plate is equipped with horizontal passages 51, which are so constituted that the passages intersect vertical passages, and are connected with the space between fuel rods in the edge part 54 of the bottom tie-plate. In at least some insides out of the horizontal passages, coil springs 61, 62 having horizontal symmetric axial lines are arranged at portions where the horizontal passages intersect the vertical passes.