baber/WOPTO huggingface dataset:
Patent JP-2000292434-A (JP)
Title: Capacitance-type dynamic-quantity sensor device
Inventor: OKADA HIROSHI
IPC: G01P15/125
Filed: 1999-04-12
Abstract: PROBLEM TO BE SOLVED: To provide a capacitance-type dynamic-quantity sensor device which outputs a precise sensor signal irrespective of a disturbance to a capacitance- type dynamic sensor. SOLUTION: A capacitance-type dynamic sensor 10 is provided. An operational amplifier circuit 20 which outputs an oscillation signal having an amplitude and a frequency which correspond to the capacitance of the capacitance- type dynamic sensor 10 is provided, A frequency detection circuit 30 which detects the frequency of the oscillation signal is provided, An amplitude detection circuit 40 which detects the amplitude of the oscillation signal is provided. An output circuit 50 by which a sensor signal according to a dynamic quantity is output according to the frequency signal of the frequency detection circuit 30 and according to the amplitude signal of the amplitude detection circuit 40 is provided.
Patent JP-S58221626-A (JP)
Title: Manufacture of building hardware
Inventor: KOMATSUZAKI KAORU
IPC: E04B1/38
Filed: 1982-06-17
Abstract: PURPOSE:To manufacture building hardware having less cracking at through hole edges by providing elongation margins to circumferential edge parts of the through holes of a steel plate for structure previously and carrying out reducing work. CONSTITUTION:The steel plate for structure is punched to form a perforated plate 1 for a corner bracing beam in a specific shape; and an elliptic hole 2a for forming a through hole 2 as a bolt hole is formed nearly in the center of both end surfaces and nail holes 8, etc., are formed. Said elliptic hole 2a has a short diameter in the directions of arrows 4 wherein large tensile force operates during the reducing work of the hole plate 1 and also has an annular rib 3 as an elongation margin at its circumferential edge part. The reducing work of the perforated plate 1 deforms the elliptic holes 2a slightly by the large tensile force in the directions of the arrows 4 nearly to a circle and elongates the annular ribs 3 with the elongation margins as shown by the arrow 4, preventing cracking at the circumferential edges of said elliptic holes 2a.
Patent JP-2000290565-A (JP)
Title: Recording liquid for ink jet
Inventor: UEDA TAKAMASA
IPC: C09D11/38
Filed: 1999-04-12
Abstract: PROBLEM TO BE SOLVED: To obtain a stable recording liquid excellent in mildew resistance by compounding a coloring material, a water-soluble or water-dispersible mildew- proofing agent containing allyl mustard oil and water. SOLUTION: The title recording liquid comprises 0.5-10 wt.% of a coloring material such as a dye such as a direct dye, a reactive dye or the like, a pigment or the like, 0.01-10 wt.%, in terms of allyl mustard oil, of a water-soluble or water-dispersible mildew-proofing agent, 50-90 wt.% of water, and further a water-soluble organic solvent, 1-15 wt.% of a viscosity modifier such as a polyvinyl alcohol or the like, a surfactant, an amphipathic agent, a pH adjusting agent, a chelating agent and the like. The amount of the water-soluble organic solvent contained is not more than 10 wt.% in case of a monohydric alcohol, 5-30 wt.% in case of a polyhydric alcohol, 5-20 wt.% in case of a polyhydric alcohol ether, not more than 10 wt.% in case of a cyclic amide and 5-40 wt.% for the whole organic solvent.  As the surfactant are preferable a nonylphenyl polyethylene glycol ether and other nonionic surfactants and the surface tension of the recording liquid is set to 30-50 dyne/cm.
Patent JP-2000291153-A (JP)
Title: Building unit and unit building
Inventor: HEBIISHI SANENORI
IPC: E04B9/18
Filed: 1999-04-12
Abstract: PROBLEM TO BE SOLVED: To improve the workability in a building unit having pillars arranged at four corners, floor beams rigidly joined with each pillar at both ends thereof, and a ceiling panel assembly by arranging the top surface of the ceiling panel assembly and the upper ends of the pillars at the same height. SOLUTION: Framed construction is formed of four steel pillars 1 respectively having a circular cross section and arranged at four corners and four floor beams 2 stretched between a lower part of the adjacent pillars 1 and to be rigidly joined with the pillars 1. A joint is stretched between the floor beams 2, and floor panels are provided thereon, and a ceiling panel assembly 5 formed of an end edge 6 as a ceiling frame formed of a groove-shaped steel and a ceiling panel 7 formed of a plaster board fixed to a lower surface side of the end edge 6 and a scaffold plate 8 is provided in the upper part of the framed structure. Then, the end edge 6 is positioned in the periphery of the pillar 1, and a cover member is fixed to the upper end of the pillar 1 so that the top surface of the scaffold plate 8 is positioned at the same height with the top end of the pillar 1.  Consequently, generation of displacement and stage difference of the scaffold plate 8 can be prevented so as to improve the safety of the installation work.
Patent JP-H04228861-A (JP)
Title: Oil pan for internal combustion engine
Inventor: UORUFUGANGU KUREHIBERUGERU
IPC: F01M11/00
Filed: 1991-05-09
Abstract: PURPOSE: To provide an oil pan for an internal combustion engine with suppressed noise generation. CONSTITUTION: An oil pan 1 held in a crank chamber of an internal combustion engine has a flat plate-like bottom 4 and an oil sump. The flat bottom 4 is connected directly to a central bearing seats of a crank shaft 11 by means of supports 6. This significantly improves the sound radiation of the oil pan and the rigidity of the bearing seats.
Patent JP-H02284574-A (JP)
Title: Picture reader
Inventor: OTAKE MASAKI
IPC: H04N1/04
Filed: 1989-04-26
Abstract: PURPOSE:To precisely decide an original read start position even if there is relative dislocation between a reader mainbody and an original automatic feeder (ADF) by providing a means detecting the position of an original carried to an original reading position. CONSTITUTION:A stepping motor is previously driven so that an optical system unit 24 comes to the original reading position in ADF 3. Whether the tip of the original has reached the original reading position of a reader 1 or not is checked by comparing the change of a level in the picture signal of an original tip. One end of an original illumination unit 24 illuminates a gray board fitted to the back of the upper side cover of the reader 1, and CCD 22 reads it. When there is the change of the level in the original reading position, CPU 208 judges the detection of the original tip, and the reading of an original picture is started.
Patent JP-H10299473-A (JP)
Title: Control type muffler
Inventor: OIKAWA KAZUNORI
IPC: F01N1/08
Filed: 1997-04-22
Abstract: PROBLEM TO BE SOLVED: To provide a low back pressure type control type muffler to save a space for an exhaust outlet pipe and effectively utilize of a muffling chamber during high speed. SOLUTION: A control type muffler comprises a muffler body 20 provided with expansion chambers 26 and 27 and a resonance chamber; an exhaust inlet pipe 28 coupled to the expansion chamber 26 and coupled to an engine: an exhaust gas outlet pipe 24 coupled to the expansion chamber 27 and discharging exhaust gas to the atmosphere; an opening closing valve 36 arranged at the exhaust gas outlet pipe 24; and a control device to feed an opening signal to the opening closing valve 36 during high speed operation of an engine and feed a closing signal to the opening closing valve 36 during low speed operation of the engine.  In this case, the muffler consists of two muffling chambers 29 and 30 intercoupled through a single conduit 23 and the exhaust gas outlet pipe 24 forms a double pipe consisting of an inner pipe 35 coupled to one muffling chamber 30 and an outer pipe 37 covering the inner pipe 35 and coupled to the expansion chamber 27. The opening closing valve 36 is arranged in the inner pipe 35 protruding from the muffler body 20. The two muffling chambers 29 and 30 form an expansion chamber by opening the opening closing valve during high speed operation of the engine and form a resonance chamber by closing the opening closing valve 36 during low speed operation of the engine.
Patent JP-H042357-A (JP)
Title: Heparin sustained release film
Inventor: GOTO MASAO
IPC: A61K31/715
Filed: 1990-04-20
Abstract: PURPOSE:To easily control the sustained release speed of heparin by immobilizing heparin in a photo-crosslinked film of a water-soluble photo-crosslinkable resin. CONSTITUTION:Heparin is mixed with an aqueous solution of a water-soluble photo-crosslinkable resin to be formed into a film which is, in turn, irradiated with ultraviolet rays. As the water-soluble crosslinkable resin, a film forming material such as polyvinyl alcohol or polyethylene glycol having a photosensitive group such as a stilbazolium group or a diazo group as a photocrosslinkable group in its molecule is used and heparin is mixed with an aqueous solution containing about 10-30wt.% of the water-soluble photo-crosslinkable resin in a concn. of about 5-15wt.% and the resulting solution is applied to a substrate such as glass and dried at room temp. for about 1-3hr to be formed into a film. This film is irradiated with ultraviolet rays with a wavelength of 3000-4500Angstrom  for about 1-60 sec to be photo-crosslinked and heparin is immobilized in the film.
Patent JP-S63270111-A (JP)
Title: Plastic composite member and its manufacture
Inventor: SONE JUNJI
IPC: B29C45/14
Filed: 1987-04-30
Abstract: PURPOSE:To improve flatness of the bottom of a plastic composite member, by constituting the title method so that outsert molding of a plastic main body is performed over a holding plate made of a rigid member to which radial connecting grooves are provided and shrinkage of molten resin is not restricted. CONSTITUTION:Eight dovetail grooves 15... are engraved on a holding plate 14 of a scroll vane 10 of a plastic composite member by arranging equally and radially. Therefore, the title method is constituted so that a part of the plastic member constituting a mounting plate 11 is cast into the dovetail groove 15..., the mounting plate 11 is is stuck close to the holding plate 14 by restricting the mounting plate 11 at the time of shrinkage of the plastics by following to solidification of the plastics, and the mounting plate 11 can not be separated from the holding plate 14, in injection molding. As outsert molding of the mounting plate 11 and a swirl body 13 to the holding plate 14 where the dovetail grooves 15... have been engraved is performed, it does not happen that the scroll vane 10 restricts forcibly the shrinkage in a solidification process of molten resin and smoothness of the bottom of the scroll vane 10 is improved.
Patent JP-H115183-A (JP)
Title: Laser welding method for carbon steel
Inventor: MITSUYOSHI HIROSHI
IPC: B23K26/32
Filed: 1998-04-15
Abstract: PROBLEM TO BE SOLVED: To provide a laser welding method for preventing the generation of a hardened layer at a welding part when different kinds of carbon steels, the carbon content of which is different from each other, are laser welded. SOLUTION: The junction of a boss 2, which is a carbon steel for machine structural use containing about 0.2% carbon, and a hub 3, which is a rolled steel plate containing about 0.1% carbon, is laser welded to produce a wheel 1 for vehicles. For that purpose, the laser is applied in a slanting direction to the jointing face from the side of the hub 3 containing less carbon to weld the end part of the hub 3 as if it is fused in. Likewise, the laser is generally applied in a slanting direction to the jointing face from the side of the carbon steel containing less carbon for welding.
Patent JP-S5228782-A (JP)
Title: Foll cutter
Inventor: YOKOYAMA TADAHARU
IPC: B26B25/00
Filed: 1975-08-29
Abstract: PURPOSE: To prevent a roll cutter and a guide wheel from floating up, thus securign stable cutting operation. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H05117411-A (JP)
Title: Fiber-reinforced thermoplastic resin sheet and its production
Inventor: MATSUDA TSUTOMU
IPC: B32B5/28
Filed: 1992-04-23
Abstract: PURPOSE:To obtain the title sheet improved in mechanical strengths by integrally laminating a layer of woven or knit fabric of a continuous carbon fiber with a layer of a fibrous structure comprising a heat-resistant fiber and having a specified interlacing strength by using a thermoplastic resin as a matrix. CONSTITUTION:At least one layer of a woven or knit fabric such as plainwoven carbon fiber fabric is laminated with a layer of a fibrous structure comprising a heat-resistant fiber such as a meta-oriented aramid fiber and having an interlacing strength of 1.0kg/mm<2> or above between two rectangularly angularly crossing yarns and at least one thermoplastic resin film of a polycarbonate in such a manner that the thermoplastic resin film is interposed between the above layers. The resulting laminate is molded under pressure at 250-300 deg.C in an open mold to obtain a fiber-reinforced thermoplastic resin sheet in which the total content of the woven or knit fabric and the fibrous structure is 30-70vol.%, the thermoplastic resin matrix is freed from voids larger than the fiber diameter, and the respective layers are inseparably and integrally laminated.
Patent JP-S60250030-A (JP)
Title: Oligoimide composition
Inventor: URASAKI TAKANORI
IPC: C08G73/10
Filed: 1984-05-25
Abstract: PURPOSE:An aromatic oligoimide composition which can cure at a relatively low temperature (about 280 deg.C or below) to form a polyimide resin of excellent heat resistance in good moldability, containing specified two kinds of addition-polymerizable groups in side chains and/or terminals. CONSTITUTION:An oligoimide composition (of an average MW of about 600- 3,000) having addition-polymerizable groups of formulas I and II (wherein R1 and R2 are each H or a lower alkyl group) at a ratio of 10:1-1:10 in side chains and/or terminals) and having a main chain comprising an aromatic polyimide. Said composition is produced by reacting an oligoimide having an aromatic imide bond in the main chain, synthesized from an aromatic tetracarboxylic acid component and an aromatic amine component with an allylamine of formula III (wherein Z is two hydrogen atoms of a =C=O group), an allyl isocyanate, and a dicarboxylic acid of formula IV.
Patent JP-2000289026-A (JP)
Title: Process of removing polyvinyl chloride out of composite body formed of polyvinyl chloride and metal and solvent therefor
Inventor: SOEJIMA TOSHIAKI
IPC: C08F14/06
Filed: 1999-04-13
Abstract: PROBLEM TO BE SOLVED: To separate and recover a polyvinyl chloride and a metal out of a composite body formed of the polyvinyl chloride and the metal. SOLUTION: A composite body of a polyvinyl chloride and a metal is introduced into a solvent composed of a compound as a main component selected out of a group formed of a water-soluble amide compound in which carbon atoms are bonded with respective three bonds of nitrogen atoms and a water-soluble lactone compound to dissolve the polyvinyl chloride and manufacture a metal from which the polyvinyl chloride is removed and prepare a solution in which the polyvinyl chloride is dissolved. Then the solvent is evaporated from the solution to recover the polyvinyl chloride.
Patent JP-H09290597-A (JP)
Title: Supplementary tool for handwritten character
Inventor: BETSUSHIMA YOSHIAKI
IPC: B43L13/00
Filed: 1996-04-25
Abstract: PROBLEM TO BE SOLVED: To efficiently draw characters, symbols or the like vertically, horizontally and obliquely freehand by a method wherein minute projections having the similar shape to one another are formed on the surface of a flat plate in a fixed arrangement under the condition that the shape of each projection is made to be a cone or a trilateral pyramid having a triangular base and round-cornered edges so as to turn the corners of the base to a curved face. SOLUTION: A projection 2a is a conical shape having the radius of a base of 0.5mm and a height of 0.5mm. The projections 2a similar to one another are densely arranged in every one line under the condition that the centers of lines are staggered by half pitch. A vertical line (a), a horizontal line (b), oblique lines (c) and (d) making an angle of 30 deg. to the line (b) and oblique lines (e) and (f) making an angle of 60 deg. to the line (b) can be drawn. In addition, since the directional turnabout along the slant face of a conical shape is possible at the valley of the projection, a curved line, which is prepared by partially combining these straight lines. The number of arrangement of the projections 2a is nearly 100 piece/cm<2> .  Not only Chinese characters and katakanas, which are mainly made of vertical and horizontal straight lines but also hiraganas, alphanumerical symbols or the like can be beautifully drawn freehand.
Patent JP-H02283281-A (JP)
Title: New restriction enzyme and production thereof
Inventor: KANEMATSU TADASHI
IPC: C12N9/16
Filed: 1989-04-25
Abstract: NEW MATERIAL:A restriction enzyme Bdilohaving the following enzymological characteristics: action and substrate specificity: recognizing the base sequence in double-stranded DNA of formula (A is adenosine; T is thymidine; C is cytidine) and cutting said sequence at position indicated by arrow; optimum pH: 8.2; stable pH: 6.0-7.5; optimum temperature: 45 deg.C; stable temperature: 40 deg.C, where capable of retaining 100% enzymatic activity on heating for 5 min; stable salt concentration: 0-50mM, where no demand for sodium chloride; molecular weight: 25000+ or -5000 (gel permeation method). USE:Endonuclease cutting the double strand of base sequence. Useful for the isolation of gene, analysis of base sequence, structural analysis of protein, etc. PREPARATION:Bacteria classified as Bacteroides sp. such as Bacteroides distasonis S-7 (FERM P-10654) are put to culture.
Patent JP-H02307692-A (JP)
Title: Beam-guiding device in laser processing equipment
Inventor: ROBERUTO GURUUPU
IPC: B23K26/04
Filed: 1990-04-20
Abstract: PURPOSE: To adapt a point for irradiation with energy to a workpiece surface as desired by controlling the adjusting elements that reflection mirrors possess according to the prescribed geometry of the point for irradiation with the energy on the workpiece surface by a controller for deforming the cross-sectional shape of the beam. CONSTITUTION: An irradiation apparatus 11 for processing the surface 12 of the workpiece 13 has the plural reflection mirrors 14, 1, 14, 2 in a beam route 15 between a laser source 16 and the workpiece 13. At least one thereof is provided with the adjusting elements 17, 1, 17, 2 for the local change of the rugged shapes of mirror finished surfaces 18, 1, 18, 2. The controller 21 for the deformation of the cross-sectional shape of the beam 19' is additionally provided with an image pickup device for detecting the point 20 for the instantaneous irradiation with the beam on the workpiece surface 12, an actual value detector 23 and a feedback circuit 24.  The adjusting elements 17 are controlled according to the prescribed shape of the point 20 for the irradiation with the beam on the workpiece surface 12 by the controller described above or the like, by which the desired laser beam processing is executed.
Patent JP-S5228723-A (JP)
Title: Supporting method and a sliding supporters for pipes
Inventor: SEKIGUCHI HIDEO
IPC: F16L3/18
Filed: 1975-08-29
Abstract: PURPOSE: Two sliding parts for pipe support are provided with each inclination to be spread over upward and pipe height is able to be adjusted easily by adjusting a space between two plates. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S59231702-A (JP)
Title: Head shell
Inventor: MATSUMURA ASAYUKI
IPC: G11B3/42
Filed: 1983-06-13
Abstract: PURPOSE:To prevent the effect of an external electromagnetic field to the output of a cartridge by covering the lower surface of a head case with a shielding plate and connecting the shielding plate to the earth side of a tone arm via a connector plate provided at the rear end of the head case. CONSTITUTION:A shielding plate 27 of a conductive material is provided at the lower part of a head case 6 and grounded to the earth side of a tone arm 19 via a connector plate 14. Thus terminal connectros 4a-5b and connection lines 25a -26b can be shielded from an external electromagnetic field especially an electromagnetic field generated at the lower part of a motor flux, etc. The plate 27 can be fixed assuredly just by pushing with pressure the lower edge part 16 of the plate 14 into a groove 29 of the plate 27.Thus, the time and processes including a soldering process, etc. are eliminated and the easy grounding is attained.
Patent JP-S586631-A (JP)
Title: Noise reduction circuit
Inventor: TAKIZAWA YOSHIYUKI
IPC: H03G7/00
Filed: 1981-07-06
Abstract: PURPOSE:To decrease the number of input and output terminals by generating the 1st and 2nd switching signals when a single control input signal enters into a prescribed state, and performing switching control. CONSTITUTION:A Dolby encoder 1 which is placed in mode B, mode C and off mode by the 1st, 2nd and 3rd switching control signals (a), (b) and (c) respectively consists of a spectral skewing (SS) circuit 2, subsidiary signals paths 6 and 16 for HLS and LLS, and a saturation preventing circuit 15. A recording input signal inputted to the SS circuit 2 is applied through the encoder 1 to a deck 28, whose playback signal is outputted through a decoder 29. According to the potential relation between the reference voltage at a connection point J2 and a control input signal voltage VS, a switching control signal generating circuit 34 generates the switching control signals (a), (b) and (c) to place the encoder in prescribed mode.
Patent JP-H07192325-A (JP)
Title: Optical disk device
Inventor: GUREN ARAN JIYAKUETSUTO
IPC: G11B7/13
Filed: 1993-05-06
Abstract: PURPOSE: To provide a circuit for simultaneously detecting MO and ROM signals so that both signals can be used without switching one signal to the other signal in the MO (magneto-optical) signal and ROM (part which is permanently recorded), which are reflected from an optical disk. CONSTITUTION: The detection circuit can eliminate switching time from one signal to the other signal and the transit time of switching. For operating amplifiers 25 and 26 and generating the output display of recording data on MO, two photodetectors 23 and 24 sensing the P and S components of polarized light beams are arranged. A second amplifier is connected to at least one of the two photodetectors for outputting/displaying recording data of ROM and for displaying a defect part in the MO part of the optical disk.
Patent JP-H02283089-A (JP)
Title: Semiconductor laser
Inventor: YAMADA HIDEYUKI
IPC: H01S5/00
Filed: 1989-04-24
Abstract: PURPOSE:To provide a semiconductor laser in which an oscillation wavelength can be varied by varying a current injection region between a region having a natural superlattice structure and a disordered region adjacent thereto. CONSTITUTION:A Ga0.5In0.5P or (AlXGa1-x)0.5In0.5P crystal has a natural superlattice structure under crystal growing condition. A crystal of the natural superlattice structure is used as an active layer of a semiconductor laser, Zn is diffused near a junction current to disorder the superlattice structure. A current flows to the natural superlattice 8 of the active layer under a normal laser oscillation condition. In this case, an electric field is applied perpendicularly to a current injecting direction, and a current injection is moved to a disordered region 9 of the active layer to vary the oscillation wavelength of a laser. The region 8 formed with the natural superlattice may be reversed to the position of the disordered region 9.