baber/WOPTO huggingface dataset:
Patent JP-H10306052-A (JP)
Title: Recovery of acrylic acid
Inventor: SAKAMOTO KAZUHIKO
IPC: C07C57/07
Filed: 1997-05-08
Abstract: PROBLEM TO BE SOLVED: To provide a method for recovering acrylic acid by subjecting propylene and/or acrolein to a catalytic gas-phase oxidation, bringing the obtained acrylic acid-containing gas into contact with water, collecting the obtained acrylic acid aqueous solution, introducing the collected acrylic acid aqueous solution into an azeotropic separation tower, and subsequently separating and recovering the acrylic acid by its azeotropic distillation, enabling to stably and efficiently recover the acrylic acid over a long period by preventing the polymerization of the acrylic acid in the azeotropic distillation tower. SOLUTION: At least one kind of compound selected from ethyl acrylate, methyl acrylate, vinyl acrylate, allyl acetate, isopropenyl acetate, vinyl propionate, and methyl, crotonate is used as an azeotropic solvent.
Patent JP-2000307089-A (JP)
Title: MANUFACTURE OF SUBSTRATE WITH SiC LAYER
Inventor: KIGAMI MASAHITO
IPC: H01L27/12
Filed: 1999-04-26
Abstract: PROBLEM TO BE SOLVED: To obtain a method of manufacturing a substrate with an SiC layer whose surface is less roughened. SOLUTION: This manufacturing method comprises a first process where a first substrate 9 composed of a silicon substrate 1 and an SiC layer 3 formed on the substrate 1 and a second substrate 15 composed of a second substrate 15 and a silicon oxide film 13 formed on the substrate 15 and pasted on each other interposing the SiC layer 3 between the silicon oxide film 13 and the silicon substrate 1 to form a third substrate 17 and a second process where the silicon substrate 1 is removed by wet-etching the third substrate 17 with (CH3)4NOH to make the SiC layer exposed.
Patent JP-H09305641-A (JP)
Title: Layout graphic correcting method
Inventor: TSUZUKI KATSUO
IPC: G03F1/70
Filed: 1996-05-13
Abstract: PROBLEM TO BE SOLVED: To shorten the time required for preparing a corrected graphic by generating a gap area graphic in the area between a selected side and polysilicon (PS), generating a completely corrected graphic in the case of correcting all sides of a gate graphic, and generating the corrected graphic from the combination of both the graphics. SOLUTION: In a step (S) 101, a diffusion layer is expanded with the distance of correction conditions as expansion quantity and the quantity of a PS layer is reduced. In S102, the deviation between the diffusion layer and the PS layer is defined as the expansion quantity and the layer is expanded. In S103, the overlap of the PS layer and the diffusion layer is found and a gate graphic is found. In S104, the 1st gap area graphic is generated by expanding and reducing the PS vertically to the respective sides. In S105, a square is moved with the surface of side of the PG layer graphic as a center and the 2nd gap area graphic for reducing its locus is generated. In oblique graphic selection processing 106, the graphic is divided into triangles and the graphic of an oblique side is selected.  In S107, the 3rd gap area graphic is generated, in S108, the graphics are subtracted and in S109, the completely corrected graphic is generated.
Patent JP-H0415397-A (JP)
Title: Carbon fiber heat insulating material
Inventor: ITO TETSUO
IPC: C01B31/02
Filed: 1990-05-09
Abstract: PURPOSE:To produce new heat insulating material at a low cost by utilizing the cut parts, defective articles, etc. of the carbon fiber heat insulating members which are generated in a variety of processes by molding a mixture of the crashed articles of the carbon fiber heat insulating material and the thermosetting resin and further carrying out baking. CONSTITUTION:A carbon fiber heat insulating material is crashed by utilizing the device which is commonly used widely such as a press, crasher, mill, and a mixer. The crashed article of the carbon fiber heat insulating material is commonly formed into powder, milled or chop form. The crashed article is mixed with the thermosetting resin, and poured into a metal mold having an aimed shape, and after heat molding, baking at an aimed temperature is carried out, and a molded heat insulating material is formed. Accordingly, the defective articles formed in the manufacturing process, transport, etc. of the carbon fiber heat insulating material or the waste articles after cutting work can be utilized again.
Patent JP-H0416271-A (JP)
Title: Coating method for automobile body
Inventor: OCHIAI HIROSHI
IPC: B05D7/14
Filed: 1990-05-09
Abstract: PURPOSE:To obtain a highly sharp film by reciprocally moving an automobile body between a high temp. part and a low temp. part after the setting of paint when the car body is dried in such a state that the paint on the body generates running and subsequently baking the paint on the body in the high temp. part. CONSTITUTION:Paint is applied to an automobile body X in such a state that the running of the paint is generated and, subsequently, the coated paint is dried while the body X is rotated around a horizontal axis. This drying is carried out in a drying oven 8 having a high temp. part 8a, set to relatively high temp. sufficient to bake paint and a low temp. part 8b set to temp. lower than that of the high temp. part 8a, and the body X is fed in the low temp. part 8b and subsequently fed in the high temp. part 8a and, further, the body X is passed through the low temp. part 8b so as to be gradually heated and, subsequently, the baking of the paint applied to the body X is completed in the high temp. part 8a. By this method, the running state of the paint can be made uniform and a highly sharp film can be obtained.
Patent JP-H02297780-A (JP)
Title: Magnetic disk device
Inventor: SUGIO HIROYUKI
IPC: G11B21/02
Filed: 1989-05-10
Abstract: PURPOSE:To shorten the positioning time of a magnetic head by confirming the position of track while the magnetic head is waiting for the instructions given from a host device on a concentrical waiting track of each magnetic disk. CONSTITUTION:When a magnetic disk is started, each magnetic head 10 of head disk amplifier HDA 66 is waiting for the instruction to be given from a magnetic disk control circuit part 2 on a concentrical waiting track 7. A positioning control circuit 4 reads a position signal out of a concentrical track 17 of a servo disk device 18 where the position signal is recorded by a servo head 14 in order to detect the position of a servo track 16. A rotational position confirming circuit part of the circuit 4 confirms the read-out position information 34 and the position of a spiral track 49. Thus the circuit 4 can confirm the position of the track 49 even in a waiting state for the command given from a host device. Then the positioning time is shortened for the magnetic head.
Patent JP-H07326178-A (JP)
Title: Magnetic recording/reproducing apparatus
Inventor: TANAKA TETSURO
IPC: G11B33/10
Filed: 1994-05-31
Abstract: PURPOSE:To have the display of a VTR easy to watch and load/unload a tape cassette smoothly even if the VTR which can be installed horizontally or vertically is installed in either posture. CONSTITUTION:A changeover switch 5 which is changed over in accordance with the posture of a VTR, a motor 21 which drives a cassette loading device and a display unit 27 are provided. The changeover switch 5 indicates the operation state through a controller 25 and, further, controls the voltage of the motor 21 through the controller 25 in accordance with the posture of the VTR. With this constitution, the VTR which can be installed horizontally or vertically, whose display contents can be recognized easily, onto/from which a tape cassette can be loaded/unloaded smoothly and which does not produce large mechanical hitting noise even it is installed in either posture and which has excellent quality can be realized.
Patent JP-S63281006-A (JP)
Title: Measuring instrument for eccentricity quantity of optical disk
Inventor: MIZUNIWA YASUHIRO
IPC: G01M11/00
Filed: 1987-05-13
Abstract: PURPOSE:To measure the eccentricity quantity of a reliable optical disk without any measurement error by inputting a measurement timing signal and a pulse signal and counting pulses of the pulse signal in the output period of the measurement timing signal. CONSTITUTION:A waveform shaping circuit 3 inputs a track error signal and a track sum signal obtained from the reflected light of a light beam projected on the guide groove of the optical disk 1 and outputs the pulse signal (a) which is shaped into a pulse waveform. A rotational position information generating circuit 7 inputs a signal indicating the rotational position of a turntable 9 which rotates mounting the disk 1 and outputs a rotational position information signal (b). A timing circuit 16 inputs the signal (b) and outputs the measurement timing signal (c), which are supplied to an up/down counter 4, which counts pulses of the signals (c). Its output signal (d) of the counted value is A/D-converted 5 into a signal 101 which is proportional to the eccentric displacement quantity of the disk 1. This signal 101 is measured to find the number of tracks corresponding to the maximum amplitude and then the eccentricity quantity is calculated from the number of tracks and previously measured track pitch.
Patent JP-H09300013-A (JP)
Title: Control box for conveyer
Inventor: TAI AKIHITO
IPC: B65G43/00
Filed: 1996-05-13
Abstract: PROBLEM TO BE SOLVED: To make the manufacture of the box easy, to simplify a shape, to make the box light weight, and to improve the check of the inside of the box and maintainability by manufacturing the main body of the control box to be arranged for each zone of the conveyer, using an aluminum-extruded formed material, and providing a slidable, openable and closable door on the front surface of the control box. SOLUTION: The box main body 10 is manufactured with the aluminum-extruded formed material with a U-shaped cross-section, whose side surface and front part are opened. Grooves 11, 12 and 14 making a pair on the upper and the lower inside surfaces of the formed material and grooves 13 on an only lower surface, are formed. When assembling the box, a parts mounting member 20 with control parts installed is inserted into the upper and the lower grooves 12, and bisected door members 40, 40 are freely horizontally and slidably inserted into the upper and the lower grooves 14 of the front part. Next, the lower wall part 33 of a side wall member 30 is inserted into the groove 13, 13, and a rear wall part 34 is inserted into the upper and the lower grooves 11.  Both side surfaces are covered, and the mounting part 23 of the parts mounting member 20 and the mounting part 38 of the side wall member 30, are joined by bolts to make them a box 1. In addition, projecting parts 43 preventing that the door member 40 jumps out in the side way of the box by the vibration, etc., of the door member 40, are provided, and they are engaged with side wall engaging holes 36.
Patent JP-S5545131-A (JP)
Title: Magnetic recording and reproducing device
Inventor: SANBE TOORU
IPC: G11B5/027
Filed: 1978-09-27
Abstract: PURPOSE: To obtain constantly the best bias and compensation characteristics for a tape to be used by setting the best bias value by recording and reproducing a reference signal while changing a bias current in step, and then by finely controlling a recording gain and recording compensation characteristics by recording and reproducing several reference signals differing in frequency.  
     CONSTITUTION: A reference signal of 5KHz outputted by reference signal generator 11 is recorded and reproduced and the reproduction output is applied to operator 19 through A/D converter 18. On the other hand, bias oscillator 3 is controlled in step through control circuit 21 to control a bias current to the best value and corresponding control data are stored in memory 20. Next, gain circuit 8 is similarly changed is step by a reference signal of 11KHz in frequency on the basis of the memory contents of memory 20 to compensate the sensitivity of a tape corresponding to its kind and this control data is stored in memory 20 and used as a reference value for subsequent similar compensation by an intermediate and high-band reference signal. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H0414662-A (JP)
Title: Cassette loading mechanism
Inventor: NAKAGAWA KIYOSHI
IPC: G11B15/675
Filed: 1990-05-08
Abstract: PURPOSE:To expand the degree of layout by constituting a cassette holder with two holder halves divided in the broadwise direction of a tape cassette loaded thereto and attracted together and devising them whose moving locii are guided separately. CONSTITUTION:A cassette holder 21 to support a tape cassette 2 and to carry it is formed laterally long as a frame and has a space in which the tape cassette 2 is almost fully contained. Then the holder 21 is formed separately to be an upper half 22 parting the space into an upper side and both left/right sides and a lower half 35 parting the space into the lower face, and both the two halves 22, 35 are attracted vertically by a tensile spring so as to vary the vertical interval and the relative attitude. When a force turning the upper half 22 relatively clockwise or counter clockwise with respect to the lower half 35 is exerted, the upper half 22 and/or the lower half 35 are turned in a direction almost opposite to the vertical direction relatively.
Patent JP-S60264400-A (JP)
Title: Production of single crystal of gaas of high quality
Inventor: SUDOU ICHIROU
IPC: C30B15/00
Filed: 1984-06-08
Abstract: PURPOSE:Arsenic is used in the form of ingots which have reduced surface area and match with the diamter of the crucible to produce GaAs single crystal of high quality. CONSTITUTION:When GaAs is directly synthsized and pulled up as a single crystal, arsenic is previously melted by heating up to over 815 deg.C in an inert gas atmosphere under 30-80 atmospheric pressure. The melt is formed into ingots with such a size as matching with the diameter of the crucible and impurities precipitating in the form of spots are removed to increase its purity. Then, the product is placed in a crucible together with gallium and capsuled with boron oxide. Thus, the vaporization of arsenic is minimized to synthesize GaAs and a single crystal is pulled up.
Patent JP-S608655-A (JP)
Title: Solar heat collector
Inventor: KANAYAMA YASUAKI
IPC: F24S23/70
Filed: 1983-06-28
Abstract: PURPOSE:To realize the compact structure and the high heat collecting performance steadily by a method wherein plural pipes having small diameter are arranged in parallel neary along an imaginary dividng surface which symmetrically divides the reflecting surface of a reflecting plate into two parts. CONSTITUTION:A fluid passage 3 is arranged in parallel with spacing small interval at the location where an imaginary dividing surface (a) divides the space. The fluid passage 3 is composed of five pipes 4, 5, 6, 7 and 8 coated with black paint, those pipes having small diameter are made of copper, the pipe 4 is arranged to be close to a reflecting surface 1. Even when the incident angle of the solar ray is varied according to the season and time, the large part of the solar ray reflected with the reflecting surface 1 is absorbed by any pipe among those pipes 4, 5, 6, 7 and 8, accordingly, excellent heat collecting coefficient can be achieved.
Patent JP-S5241898-A (JP)
Title: Insulatng method of conductor having wide width
Inventor: KOJIMA TAKESHI
IPC: H01F5/06
Filed: 1975-09-30
Abstract: PURPOSE: The thickness of the insulation layer is made small, and a large insulation strength is obtained by using an adhesive insulation tape and expelling the air dragged in after winding. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H03150122-A (JP)
Title: Antibacterial container and manufacture thereof
Inventor: KOBAYASHI HIDENORI
IPC: A61J1/00
Filed: 1990-05-08
Abstract: PURPOSE:To obtain an antibacterial container at a low cost without impairing antibacterial action by a structure wherein the container is made of a plurality of layers, some layer of which contains antibiotics. CONSTITUTION:A container 30 consists of a main body part 21 and a cap part 22, both of which have a double layer structure of an outer layer part 24 and an inner layer part 25. The outer layer part 24 is transparent and made of polypropylene. The inner layer part 25 is made of resin blended with inorganic antibiotics and its thickness is set to be 0.01 - 500 mum. As base resin, polypropylene is used in consideration of the adhesion between the inner and outer layers of the container. Further, as the inorganic antibiotics, antibacterial zeolite, the particle diameter of which is about 0.7 - 1.5 mum and which is prepared by ion-exchanging sodium ion in the crystal structure of zeolite with silver ion, which has antibacterial action, is used. The loading of the antibacterial zeolite is 0.01 - 40 wt.% on the basis of the base resin.
Patent JP-H08308367-A (JP)
Title: Axial flow type threshing cylinder
Inventor: MINAMI RYUICHI
IPC: A01F12/20
Filed: 1995-05-17
Abstract: PURPOSE: To provide an axial flow type threshing cylinder, capable of suppressing an increase in damage of grains, the amount of produced waste straws and power loss due to an overload and improved in frictional threshing efficiency by installing double-start helical threshing teeth at the same leading angle as that of the helical threshing tooth on the front side in a part on the rear side of the threshing cylinder body. CONSTITUTION: This axial flow type threshing cylinder is obtained by installing helical threshing teeth for transferring materials to be treated to the rear in a threshing cylinder body 13 and threshing the materials to be treated, providing a single-start helical threshing tooth 16 in a part 13a on the front side of the threshing cylinder body 13 and installing double-start helical threshing teeth 17 and 18 at the same leading angle as that of the helical threshing tooth 16 on the front side in a part 13b on the rear side of the threshing cylinder body 13.  Furthermore, independent threshing teeth 16b are protrusively installed on the outer peripheral edge of the helical threshing tooth 16 located in the part 13a on the front side of the threshing cylinder body 13 and independent threshing teeth 17a are protrusively provided on the outer peripheral edge of either 17 connected to the helical threshing tooth 16 on the front side of the helical threshing teeth 17 and 18 located in the part 13b on the rear side of the helical threshing cylinder body 13. The other helical threshing tooth 18 is preferably formed of only a screw of a height capable of providing a radius of tip rotation nearly equal to that of the independent threshing teeth 17a.
Patent JP-H0413901-A (JP)
Title: Scanning-type tunnel microscope with function of discriminating shape of fore end of probe and discriminating method thereof
Inventor: SHIMODAIRA TAKAYUKI
IPC: H01J37/28
Filed: 1990-05-08
Abstract: PURPOSE:To discriminate the appropriateness of the shape of the fore end of a probe by adding a scanning direction control device and an image display control device to a scanning-type tunnel microscope and by preparing and displaying an image by scanning the probe in different directions in respect to the same sphere of the surface of a sample. CONSTITUTION:A scanning-type tunnel microscope comprises a probe 101, a scanning device 104, a scanning control device 105, a signal processing device 103, an image storage device 106 and an image display device 107 and observes a sample 102. In order to discriminate the shape of the fore end of the probe 101, a scanning direction control device 1 and a screen control device 2 are provided. By the scanning direction control device 1, scanning is made in normal and reverse directions, oppositely, at least in one direction in the same sphere of the surface of the sample 102. The image display control device 2 prepares an image corresponding to each of the above- mentioned normal and reverse scanning and displays images thus prepared in the image display device 107. The displayed images in a plurality are compared and thereby the appropriateness of the shape of the fore end of the probe is discriminated.
Patent JP-H10305091-A (JP)
Title: Member having photocatalytic action
Inventor: SAWARA TAKASHI
IPC: B32B27/18
Filed: 1997-05-08
Abstract: PROBLEM TO BE SOLVED: To simply remove the soil on a surface by washing and to enable to suitably use outdoor by providing an intermediate layer constituted of at least one or more kinds of titanium compounds between a base material and a layer having photocatalytic action to give anti-fouling property, deodorizing property and anti-bacterial property. SOLUTION: The member having photocatalytic action is a member obtained by forming the layer having photocatalytic action on the base material. And the intermediate layer constituted of the one or more kinds of the titanium compounds selected from titanium alkoxide and the hydrolyzed condensation product, a titanium chelate compound, peroxyo titanic acid and the salt and a titanate based coupling agent is provided between the base material and the layer having photocatalytic action. The layer having photocatalytic action is a layer containing one or more kinds selected from titanium oxide, zinc oxide, tin oxide, zirconium oxide, tungsten oxide, chromium oxide, molybdenum oxide, nickel oxide, ruthenium oxide, cobalt oxide, copper oxide and manganese oxide.
Patent JP-S6012871-A (JP)
Title: Signal processor of two-dimensional picture
Inventor: OOTA YOSHITAKA
IPC: H04N9/04
Filed: 1983-07-01
Abstract: PURPOSE:To cope with the change of a specification easily by converting the two-dimensional picture information from an image pickup element or a memory into a vertical scanning signal, executing the response correcting processing at a vertical direction then reversely converting said processed signal into a horizontal scanning signal. CONSTITUTION:The optical image of an object is formed by the optical lens 4 of an electronic still camera A and the formed image is transduced into an electric signal by an image pickup element 5 and written in a memory 10 as a digital signal. The digital picture information from the element 5 or the memory 10 of the camera A is stored in a memory 10 connected to a reproducing machine B as two-dimensional picture information. The two-dimensional picture information from the element 5 or the memory 10 is applied to a processing circuit 9 to color separate to output chrominance signals Y, I, Q. The signal I is successively stored in a memory 11a in the horizontal direction and the Q signal is also stored in a memory 11b. The band limitation of the signals vertically read out from respective memories 11a, 11b is applied to filters 12a, 12b and stored in memories 13a, 13b to output the corrected chrominance signals I, Q from the memories 13a, 13b respectively.
Patent JP-H04344942-A (JP)
Title: Faulty block separating system for microprocessor system
Inventor: YOKOTA KEIICHI
IPC: G06F11/10
Filed: 1991-05-23
Abstract: PURPOSE:To enable a system to degenerate and continue to operate as restraining it from system down by checking the bus interface circuit of every block, and separating electrically only the block in which abnormality is caused. CONSTITUTION:Plural slave blocks 2 to 5 are connected to a master block 1 provided with a microprocessor by a system bus 6, and the master block 1 is provided with a means to detect an error on the bus 6. Besides, the slave blocks 2 to 5 are provided with the bus interface circuits 8 to 11 capable of separating electrically internal circuits from the system bus 6 by an enable signal 7 the master block 1 outputs and test ports 12 to 15. When the master block 1 detects the error, first of all, it turns the enable signals for all the bus interface circuits into a disable state. Next, the enable signals are confirmed one by one in its normality by the test port and the faulty slave block is separated from the system bus.