baber/WOPTO huggingface dataset:
Patent JP-H10259215-A (JP)
Title: Production of acid anhydride polymer
Inventor: SHIYAIRITSUSHIYU SHIYANTEIRARU
IPC: C08F2/44
Filed: 1998-03-16
Abstract: PROBLEM TO BE SOLVED: To efficiently obtain the subject polymer with a small amount of an initiator in high conversion, by polymerizing an acid anhydride monomer in the presence of an aromatic hydrocarbon, a dialkylperoxide and an amine compound up to a specific conversion. SOLUTION: (A) An acid anhydride monomer comprising acid anhydride monomers which are composed of preferably >=50wt.%, more preferably >=90wt.% of maleic anhydride based on the total weight of monomers and are selected from maleic anhydride, citraconic acid anhydride, itaconic acid anhydride 1,2,3,6-Tetrahydrophthalic acid anhydride is polymerized in the presence of (B) an aromatic hydrocarbon (e.g. toluene), (C) 3-30wt.% based on the component A of a dialkylperoxide (e.g. di-tert-butylperoxide) and (D) 0.01-3wt.% based on the component A of an amine compound (e.g. dibutylamine) at 80-180 deg.C until >=90wt.% of the component A is converted.
Patent JP-H03283026-A (JP)
Title: Optical pickup
Inventor: ITOI TOSHIKI
IPC: G11B7/095
Filed: 1990-03-29
Abstract: PURPOSE:To eliminate the need for a light emitting diode and to miniaturize the optical pickup by using a semiconductor laser which is an element to read the signal recorded on a disk and a collimating lens as they are in order to obtain the parallel luminous flux necessary for detecting the warpage of the disk. CONSTITUTION:Divergent light 19 of the semiconductor laser 13 is separated to a 1st luminous flux 20 and a 2nd luminous flux 21 which are respectively approximately parallel luminous flux. The disk 15 is irradiated with the 1st luminous flux 20 without transmitting this flux through an objective lens 11. The luminous flux is received in a 1st light receiving element 14 having two elements disposed in the radial direction thereof. The difference in the output of these two elements is taken to detect the warpage of the disk 15 and the 2nd luminous flux 21 is condensed onto the disk 15 by the objective lens 11. The reflected light 27 thereof is received by a 2nd light emitting element 26. The need for the light emitting diode is eliminated in this way and the optical pickup is miniaturized. The good-quality parallel luminous flux which are free from the gain fluctuation of the control loop for allow the optical pickup to follow up the warpage of the disk and the generation of an offset are obtd.
Patent JP-S578333-A (JP)
Title: Crank chamber precompression type 2 cycle internal combustion engine
Inventor: TAKAYASU HIDEKAZU
IPC: F02B75/02
Filed: 1980-06-18
Abstract: PURPOSE:To make it possible to manufacture two clesses of engine having a different output, by contracting the diameter of opening end of an air blow line for the captioned engine at an air blow nozzle position of a cylinder liner which is formed in less width than the above mentional opening and by merely changing the liner of the same cylinder. CONSTITUTION:Cast iron cylinder liners 12 having air blow nozzles 12a to 12c are fitted into internal bores 11a provided on cylinder shells 11 and exhaust channels 13 are formed on the inside walls between the cylinder liners 12 and a hollow space axially provided on the internal water of the internal bores 11a. The exhaust channels 13 are communicated to a crank chamber through the above place axially provided on the internal walls. The exhaust nozzles 12a to 12c of said cylinder liners are formed in narrow width from one end opening of the exhaust channels 13. Therefore, the reduced width of the one end opening adjusts output and increases the exhaust speed and enhances the directional capacity, then it is possible to adjust output by properly changing the cylinder liner 12 with the same cylinder shell and manufacture more than two classes of engine having a diffeernt output.
Patent JP-H05285798-A (JP)
Title: Id system in production line
Inventor: TSUTSUMI YUJIRO
IPC: G06Q50/00
Filed: 1992-04-03
Abstract: PURPOSE:To reduce time required for data communication in a battery-less ID system to achieve quick responses. CONSTITUTION:To charge a power capacitor 6 in an ID tag 1a before data communication, a dedicated incoming antenna 14 and a dedicated outgoing antenna 13 are provided for both an ID tag 1a and an ID controller 2a. Thus, power capacitor 6 charging cycles and data communication cycles for the ID tag 1a are separately performed.
Patent JP-H01257188-A (JP)
Title: Cell for molecular beam epitaxy
Inventor: ITO MICHIHIRO
IPC: H01L21/203
Filed: 1988-04-04
Abstract: PURPOSE:To improve a shielding effect, to reduce the amt. of gas liberated, to stabilize a growing rate and to stabilize the grown film composition by separating a crucible contg. a vaporization source into two chambers, and making the height of the inner crucible smaller than that of the outer crucible. CONSTITUTION:A double-structure crucible 11 consisting of the outer crucible 11A and the inner crucible 11B having a height smaller than that of the crucible 11A by about 70% is set in a heat radiation preventing cylinder 1, and the vaporization source 3 is placed in the crucible 11B. The crucible 11 is then heated by a heater 4, the temp. is detected by a thermocouple 5 and adjusted to a specified temp., the vaporization source 3 is vaporized, then a shutter 6 is opened, and the crystal of a desired compd. semiconductor is formed on a substrate by molecular beam epitaxy.
Patent JP-H03280791-A (JP)
Title: Picture in picture system
Inventor: YUGAWA TATSUO
IPC: H04N5/45
Filed: 1990-03-29
Abstract: PURPOSE:To improve picture quality by gating a master/slave switching signal when a slave picture signal is silent and displaying no slave picture. CONSTITUTION:In a slave picture forming circuit, a component signal 18 for a slave demodulated by a video chroma processing circuit 5 is written synchronously with a slave signal 11 and compressed. A slave picture signal 19 is read synchronously with a master picture signal 10 and inputted to an RGB switching circuit 8. A master/slave switching signal 20 is inputted to the gate circuit 7 of a slave switching control portion 23. In the circuit 7, a gate signal 15 is received. When the signal 11 is received, a gate is opened and the signal 20 is directly inputted to the circuit 8 as a switching signal 21, as it is. When the signal 11 is not present, the gate is closed so as not to input the gate signal 21 to the circuit 8. In the circuit 8, a master picture signal 12 and a slave picture signal 19 are switched by the gate signal 21 and inputted to a CRT 9. Accordingly, when the video signal 11 for the slave picture is not present, only the master picture is reproduced on the CRT 9.
Patent JP-H02260654-A (JP)
Title: Manufacture of cmos
Inventor: HAYASHI HISAO
IPC: H01L27/092
Filed: 1989-03-31
Abstract: PURPOSE:To obtain a gate insulating film of good quality in a CMOS formed by superposing a P-channel MOS transistor(TR) on an N-channel MOS TR by a method wherein an amorphous or polycrystalline semiconductor is oxidized to form the gate insulating film. CONSTITUTION:An N-channel MOS TR, which is constituted of a source region 6, a drain region 7, a gate insulating film 3 and a gate electrode 4, is formed on a p-type silicon substrate 1 and an SiO2 film 10, an Si3N4 film 11 and an amorphous silicon film are piled on this TR to perform a thermal oxidation. Whereupon, the amorphous silicon film is turned into an SiO2 film 13, in which an impurity from the electrode 4 is not mixed by the films 10 and 11, and a gate insulating film 14 of good quality, which is used for a P-channel TR to be formed on an N-channel TR and has no pinhole, is formed of the films 10, 11 and 13. As a result, a highly reliability complete CMOS type static RAM, in which the areas of cells are small, and the like can be formed.
Patent JP-2000274029-A (JP)
Title: Snow-guard angle support fitting
Inventor: OTAKE KENICHI
IPC: E04D13/10
Filed: 1999-03-26
Abstract: PROBLEM TO BE SOLVED: To provide a high-quality snow-guard angle support fitting preventing displacement (rotation) of a snow-guard L-shaped angle even under the load of snow on a roof and having durability to resist damage. SOLUTION: This snow-guard angle support fitting comprises a plate-shaped leg 1 which can be attached to a roof and a triangular angle locking part 6 which can support a snow-guard L-shaped angle 15 fitted therein. One plate- shaped end of the leg 1 is formed as an angle placement part 2 having reinforcing parts 3, 4 formed by bending downward a right end edge 4 and a left end edge 3 which constitute the one plate-shaped end. The angle placement part 2 is positioned on the bottom face part 7 of the angle locking part 6 and the L-shaped angle 15 placed on the angle placement part 2 is non-displaceably supported within the triangular angle locking part 6.
Patent JP-S57198375-A (JP)
Title: Production method of cold thermal source for marine temperature difference power generation
Inventor: TAKENAKA HARUNO
IPC: F03G7/05
Filed: 1981-05-29
Abstract: PURPOSE:To produce the cold thermal source for the marine temperature difference power generation by replacing a part of the sea water for the cold thermal source with a hydrate of the air lift gas. CONSTITUTION:Hydrate has a natural floating property, and heat of fusion comparable to ice, so it has a higher cooling effect than the sea water. Therefore, when the deep cold sea water is pumped up for use as the cold thermal source by air lift for the marine temperature difference power generation, one kind of air lift gas is to be specified by selection among a hydrocarbon of C1-C4 and CO2. The pumped up hydrate or the cold sea water containing the hydrate is heat-exchanged by a condenser for the marine temperature difference power generation, then the decomposed gas is used in circulation.
Patent JP-H06293603-A (JP)
Title: Agrochemical tablet
Inventor: OGAWA MASAO
IPC: A01N25/34
Filed: 1993-04-09
Abstract: PURPOSE:To obtain an agrochemical tablet good in diffusibility due to floating up to the water surface without any fear of phytotoxocity due to insufficient diffusion of an active ingredient compound by embedding on soil in application to paddy field, etc. CONSTITUTION:This agrochemical tablet has a shape capable of floating up to the water surface (a shape provided with recessed parts on the top surface and undersurface of a nearly cylindrical tablet and a hollow part or cavity part in the tablet) in application thereof in the agrochemical tablet containing an agrochemical active ingredient, a carbonate and a solid acid.
Patent JP-S59206464-A (JP)
Inventor: URURITSUHI MIHIERU
IPC: C08L83/04
Filed: 1984-04-26
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H07290234-A (JP)
Title: Driving device for sliding nozzle
Inventor: SUZUKI MASAHIRO
IPC: B22D41/38
Filed: 1994-04-21
Abstract: PURPOSE:To provide a driving device for a sliding nozzle which obviates uneven wear of an upper plate and lower plate and facilitates an operation to replace both plates. CONSTITUTION:The lower plate with a lower nozzle attached to the rear surface of the upper plate with an upper nozzle mounted at the bottom of a vessel for molten metal is connected via a sliding metallic frame 6 to an arm bracket 9. The upper nozzle and the lower nozzle are communicated and shut off with and from each other by advance and retreat of the lower plate by oscillation of the arm bracket 9. A rail 16 extending in the same direction as the sliding direction of the lower plate is installed alongside the vessel for the molten metal and a connecting member 17 is freely travelably suspended to the rail by means of upper wheels 18 disposed in the upper part of the member. One end of the connecting member 17 is connected to the sliding metallic frame 6 and the other end to the arm bracket 9 via a center misalignment absorption mechanism 24.
Patent JP-H05252707-A (JP)
Title: Spindle motor
Inventor: OKADA TADASHI
IPC: H02K21/22
Filed: 1992-03-05
Abstract: PURPOSE:To provide a spindle motor which has a large force of holding a record member such as an optical disc, etc. CONSTITUTION:In a spindle motor which is equipped with a circular yoke member 1 mounted on the inner face of a hub member 3 and a circular magnet 2 for suction mounted on the yoke member 1, the yoke member 1 consists of a magnetic material, and besides it has a cylindrical part 4 extending upward substantially vertically from the peripheral margin. Hereby, errors in read of the data of an optical disc become little. There is no necessity to perform troublesome processing, and it can be manufactured at low cost.
Patent JP-2000285412-A (JP)
Title: Thin film magnetic head
Inventor: FURUICHI SHINJI
IPC: G11B5/60
Filed: 1999-03-26
Abstract: PROBLEM TO BE SOLVED: To add a visually visible identification mark even on a more miniaturized slider, perform process management from an initial stage of the fabrication process of a thin film magnetic head, and prevent an fabrication error from occurring. SOLUTION: In this thin film magnetic head, a series of continuous signals for specifying a slider 2 at positions where identification marks 11, 12 are provided is divided, and positioned at different positions, respectively. By this division arrangement, even in the case where any margin is available on the slider for collectively providing the identification marks because of miniaturization of the slider 2, the respective marks can be enlarged sufficiently so that they can be visually visible. The series of marks are divided and positioned both on the side where a thin film magnetic element of the slider is to be provided (an air outlet side) and on its opposite side (an air outlet side). In addition, the series of marks are divided and positioned on the surface where a thin film magnetic element of the slider is to be provided.
Patent JP-H08253842-A (JP)
Title: Steel for induction hardening shaft parts excellent in twisting fatigue strength
Inventor: OCHI TATSURO
IPC: C22C38/54
Filed: 1995-03-16
Abstract: PURPOSE: To produce a steel suitable for induction hardening shaft parts having excellent twisting fatigue strength. CONSTITUTION: This steel for induction hardening shaft parts excellent in twisting fatigue strength is the one having a compsn. contg., by weight, 0.35 to 0.65% C, 0.35 to 2.5% Si, 1.0 to 1.8% Mn, 0.05 to 0.8% Mo, 0.01 to 0.15% S, 0.015 to 0.05% Al, 0.005 to 0.05% Ti, 0.0005 to 0.005% B and 0.002 to 0.01% N, in which the contents of P, Cu and O are limited to specified ones or below, furthermore contg. specified amounts of one or two kinds of Cr and Ni, in which the structural fraction of ferrite is regulated to <=5% and the ferrite grain size is regulated to <=20μm.
Patent JP-H10284417-A (JP)
Title: Method for forming contact hole in trench of insulation layer and method for forming interconnection pattern in insulation layer
Inventor: GRASSMANN ANDREAS
IPC: H01L21/302
Filed: 1998-03-30
Abstract: PROBLEM TO BE SOLVED: To expose a photoresist in an improved manner by adjusting the thickness of the photoresist used for printing a contact hole pattern, so that the sensitivity of the photoresist to light emitted from an exposure source may be reduced on the outside of a trench. SOLUTION: A dielectric silicate glass or a dielectric cap 14 like a multilayered insulator is formed on a top surface 12 of a semiconductor body 10. A trench 16 is formed in the dielectric cap 14 by photolithography, and at this time, a photoresist layer is formed on the dielectric cap 14 while adjusting the thickness of the photoresist used for printing the pattern of a contact hole 18, so that the sensitivity of the photoresist to light emitted from an exposure source may be reduced on the outside of the trench 16. Thus, the photoresist can be exposed in an improved manner even when the photoresist material lacks uniformity in thickness.
Patent JP-H03283351-A (JP)
Title: Incandescent lamp
Inventor: KAWAKATSU AKIRA
IPC: H01K1/32
Filed: 1990-03-30
Abstract: PURPOSE:To obtain desired light color by providing an interference filter film in which the center wavelength range of filtering action at a portion where light emitted from a filament is oblique to the film is corrected relative to that of filtering action at a portion where the light is perpendicular to the film. CONSTITUTION:An interference filter film 2 has its cut wavelength range shifted to the longer wavelength side at its portions 22 provided in the direction of its top and its sealing portion with the center portion of a bulb 1 i.e., the portion 21 of the film 2 directly opposite to a filament 6 as a reference. At the interference filter film 2, the greater the angle of incidence the longer the distance that transmitted light passes through layers, and therefore the wavelength range of filtering action is shifted to the shorter wavelength side but the shift to the shorter wavelength side during transmission of the light can be cancelled out only if the center wavelength range of filtering action of each portion 22 where the angle of incidence is greater (i.e., light is oblique to the film;) is shifted in advance to the longer wavelength side, thereby approximating filtering action of each portion 22 to that of the portion 21 where the angle of incidence is zero (i.e., light is perpendicular to the film). Predetermined light-cut properties of an incandescent lamp are thereby maintained to as far as a range where the angle of incidence is great, so as to prevent lowering of luminosity of the incandescent lamp and the shift of light color of the lamp.
Patent JP-H07273582-A (JP)
Title: Manufacture of surface acoustic wave resonator
Inventor: YAMASUMI NAOYA
IPC: H03H3/08
Filed: 1994-03-31
Abstract: PURPOSE:To reduce the manufacture cost of a surface acoustic wave resonator and to enhance the adjustment accuracy of a resonance frequency. CONSTITUTION:An etching time is measured under a constant etching condition in an electrode pattern etching process 4. A difference from an object resonance frequency is obtained based on the correlation among an electrode film thickness obtained by the etching time, a film thickness obtained experimentally in advance and the resonance frequency and the etching time for frequency adjustment is obtained from the difference to execute the etching. Thus, the frequency measurement after electrode forming and a probe check process are omitted and the frequency adjustment accuracy is improved.
Patent JP-H10282152-A (JP)
Title: Oscilloscope, facsimile transmission system, and communication system
Inventor: KUBO YUICHI
IPC: G01R13/20
Filed: 1997-04-02
Abstract: PROBLEM TO BE SOLVED: To provide an oscilloscope which can directly transmit measurement data to a facsimile machine and can directly communicate with the facsimile machine through a public line. SOLUTION: Measurement data are stabilized by means of an operational amplifier, etc., in an input processing circuit section 11, processed by means of a data processing circuit section 12, and displayed on a CRT 15 under the control of a display control circuit section 13. On the input side of the processing circuit 12, an input switching circuit section 19 and a communication control section 20 switched in connection area provided.  The control section 20 is controlled by means of a sub-control section 26 which is controlled by means of a main control section 14 and provided with an A/D-converting section 21 for input signal, a memory section 22, a D/A-converting section 23 for outputting to the circuit section 19, a MODEM section 24 which modulates the storing data of the memory section 22, and a line interface section 25 which transmits the modulated data to an external public line. The data received by means of the interface section 25, in addition, are demodulated by means of the MODEM section 24, stored in the memory section 22, and displayed on the CRT 15.
Patent JP-H06270559-A (JP)
Title: Thermal transfer image receiving sheet
Inventor: NARITA SATOSHI
IPC: B41M5/50
Filed: 1993-03-19
Abstract: PURPOSE:To prevent missing dots and irregularity at high density by laminating an air bubble or foamable microcapsule-containing layer composed of an emulsion or a water-soluble resin binder and a dye receiving layer on a base material sheet. CONSTITUTION:An air bubble-containing layer 2, an intermediate layer 3 and a dye receiving layer 4 are successively laminated on a base material sheet 1 such as plain paper. The air bubble-containing layer 2 is formed by foaming a microcapsule foaming agent obtained by sealing a low b.p. liquid in a thermoplastic resin such as polyacrylonitrile within a binder. The air bubble-containing layer 2 may be in a non-foamed state. As the binder at this time, an emulsion or a water-soluble resin with a glass transition temp. of 10-60 deg.C such as an acrylic resin is used. The use amt. of foamable microcapsules is arbitrary but the foaming magnification thereof is pref. 1.5-30 times and the particle size thereof is pref. 2-50mum. One of white pigment, a fluorescent brightener, an antistatic agent, extender pigment and a filler is added to the foamable microcapsule-containing layer.
Patent JP-S6212901-A (JP)
Inventor: PENNEY BRUCE J
IPC: H04N17/06
Filed: 1986-04-11
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S58212087-A (JP)
Inventor: SUCHIIBUN ETSUCHI BAAHOFU
IPC: F27D11/02
Filed: 1983-05-13
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H04319024-A (JP)
Title: Manufacture of long sized bullet core by electromagnetic forming
Inventor: IKUTA KAZUNARI
IPC: F42B33/02
Filed: 1991-04-16
Abstract: PURPOSE:To easily obtain a long bullet core having an arbitrary form by fixing bullet core materials of plural laminated layers together with a long sized cylindrical body especially with electromagnetic forming regarding manufacture of a long sized bullet core by electromagnetic forming. CONSTITUTION:The manufacture of the long sized bullet core by the electromagnetic forming of this invention contains the process to laminate plural bullet core materials (1c) remarkably shorter than the long sized cylindrical body (10) in the long sized cylindrical body (10) having a prescribed length and to fix the long sized cylindrical body (10) integrally with the bullet core materials (1c) by electromagnetic forming.
Patent JP-H08285881-A (JP)
Title: Acceleration switch and crash alarm
Inventor: NISHINO JUN
IPC: B60W30/00
Filed: 1995-04-10
Abstract: PURPOSE: To realize high effectiveness of alarm by providing a sensor for detecting the component of acceleration acting in the lateral direction of a vehicle and inhibiting delivery of alarm when a driver is steering the vehicle on a curve or for the purpose of lane change. CONSTITUTION: A traverse G sensor 22 is fixed to a circuit board in order to detect an acceleration acting on a vehicle in the lateral direction. When a predetermined level is exceeded, a detection signal is outputted to an operating circuit 41' through a low-pass filter 23 and a decision circuit 43. When a vehicle turns leftward, for example, centrifugal acceleration acts on the pendulum in the traverse G sensor 22 to swing the pendulum to one side at a long period. Consequently, the pulse width of positive pulse exceeds that of negative pulse and it is decided that the detection output from the low-pass filter 23 deviated a set range. A signal for inhibiting delivery of alarm for a predetermined time is fed from the decision circuit 43 to the operating circuit 41' so long as the level of radiated radio wave does not drop to 0.