baber/WOPTO huggingface dataset:
Patent JP-S5927584-A (JP)
Title: High molecule composite porous piezoelectric unit and manufacture thereof
Inventor: AKETO TAKAHARU
IPC: H01L41/45
Filed: 1982-08-05
Abstract: PURPOSE:To obtain a high molecule composite porous piezoelectric unit and a method of munufacturing the same, capable of selecting high molecular substance as desired elastic modulus to be formed in a film and hollow state, by forming a mesh structure which is formed of high molecular substance and piezoelectric inorganic fine particles and has specific porosity and commuication holes of average pore diameter. CONSTITUTION:A high molecular substance contains polyvinylidene fluoride, polyvinyl fluoride or nylon from the points of moldability and mechanical strength and additionally elastomer which can be preferably mixed therewith and does not produce phase isolation. Piezoelectirc inorganic fine particles contain ferrodielectric ceramics which have perovskite crystal configuration such as barium titanate fine particles, or titanium lead zirconate fine particles, in which the size of the particle is preferably 100mum or less and particularly 40mum or less. The piezoelectric inorganic fine particles are mixed by volume at a rate of 0.1-1, preferably 0.2-0.7 to the high molecular substance. The surface of the high molecule composite porous piezoelectric unit is formed of a high molecule substance layer to form a mesh porous structure in which the substance are entirely mixed and communicated, and which has 0.01-1mum, of mean diameter, 25- 75% of porosity and 10<-10>cgs. esu or higher of piezoelectirc distortion constant.
Patent JP-S5659826-A (JP)
Title: Melamine resin
Inventor: NAKAI MICHIO
IPC: C08G16/02
Filed: 1979-10-19
Abstract: PURPOSE: A melamine resin having plasticity which is improved without detriment to its heat resistance, prepared by reacting a methoxymelamine with p-toluenesulfonamide and an isocyanurate.  
     CONSTITUTION: A precondensate of methylolmelamine and methoxymelamine is obtained by reacting, at a pH of about 5W6.5, melamine, 1.8W3mol per mol of melamine, of an aldehyde and 0.5W1mol per mol of aldehyde, of methyl alcohol in the presence of an acid catalyst. Then, the melamine resin is obtained by adding, to the above product, 0.1W0.5mol per mol of melamine, of p-toluenesulfonamide and 0.1W0.5mol per mol of melamine, of tris(2-hydroxyethyl)isocyanurate and reacting the mixture at a pH of 8W10 in the presence of a basic catalyst. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S6028094-A (JP)
Title: Magnetic bubble device
Inventor: TAKEUCHI TERUAKI
IPC: G11C19/08
Filed: 1983-07-27
Abstract: PURPOSE:To obtain an ion implanting transfer line with a wide action margin and reduced margin variance by forming the shape of said meandering transfer line so as to satisfy the prescribed conditions. CONSTITUTION:For a meandering ion implanting transfer line 2, the width W of a meandering part 1 where no intra-face magnetized layer exists or the thickness is smaller than other parts is set at <=3/4 period of the transfer direction of a bubble 3 and in the direction rectangular to the traveling direction of the bubble 3. Thus the line 2 increases its action margin and also reduces the margin variance.
Patent JP-H10309541-A (JP)
Title: Dust eliminator
Inventor: UZAWA HIROSHI
IPC: D21F7/00
Filed: 1997-05-09
Abstract: PROBLEM TO BE SOLVED: To surely remove highly adhesive dust from a work in a dust elimina tor and to prevent the redeposition of the temporarily removed dust on the work with respect to the dust eliminator. SOLUTION: This dust eliminator is provided with an air suction chamber 4 having an air suction port 3 at a position close to a work 2 and a rotary brush roll 5 capable of being brought into sliding contact with the work and furnished in the air suction chamber 4. The end 20 of a partition wall 11 on the sir suction port 3 side is brought close to the periphery of the roll 5 so that the clearance 9 between the inner face of the partition wall 11 forming the air suction chamber 4 and the periphery of the roll 5 is minimized close to the suction port 3.
Patent JP-H04361365-A (JP)
Title: Document preparing device
Inventor: NAKAMURA YUKIO
IPC: G06F17/21
Filed: 1991-06-07
Abstract: PURPOSE:To exactly and easily input a character string expressing the date and time. CONSTITUTION:This device is provide with an input means to input 'reading' expressing the date and time, a timer means (corresponding to a real timer 4) to count the current date and time, a table means (corresponding to a real timer conversion table 3) to hold the 'reading' expressing the time, time attribute data corresponding to this 'reading' and difference data concerning the data and time as a table, a reading means to search the same 'reading' as the 'reading' inputted from the input means by retrieving the table means and to read the time attribute data corresponding to the 'reading' and the difference data of the data and time, and an adding means to add the date and time difference data read by this reading means to the current date and time counted by the timer means.
Patent JP-H07315279-A (JP)
Title: Pipe for swing arm and its manufacture
Inventor: MATSUO JUNJI
IPC: B21C37/16
Filed: 1994-05-26
Abstract: PURPOSE:To provide for a swing arm which is excellent in strength and an appearance, can be reduced in weight, and is inexpensive. CONSTITUTION:A pipe 1, in which the center part is high, the front and the rear end parts are tapered, and a rectangular cross section is provided, for a swing arm is manufactured in such way as press molding an upper swelling part 5 and a lower swelling part, 6, which are respectively expanded beyond a straight line binding the front end angle and the rear end angle of the taper pipe, in a single metallic flat plate with a clearance (a) between both of the swelling parts, trimming edges while leaving taper pipe side face parts in both side flat plate pressing parts 7 in both molded parts, returning angled parts 8 between the press molded part and the flat plate to a plane, and welding the side face edges 9 together.
Patent JP-H0435217-A (JP)
Title: Switching circuit
Inventor: NOSE TADASHI
IPC: H03K17/04
Filed: 1990-05-25
Abstract: PURPOSE:To improve the rising responsiveness of a MOS transistor (TR) by connecting an inverter to the back gate of a switching MOS TR. CONSTITUTION:The inverter 11 composed of two MOS TRs 9, 10 applying input control to a back gate BG is connected to the back gate BG of a switching MOS TR 1. When the switching MOS TR 1 is turned on, an input voltage is applied to the back gate BG of the switching MOS TR 1 via the inverter 11 to bring the MOS TRs 9, 10 to the TR operation using the back gate as the base. By driving the back gate BG of the MOS TR 1, thereby starting the switching operation of the MOS TR 1 as supplementary action, the rising responsibility is improved.
Patent JP-H05306338-A (JP)
Title: Silicate oligomer and its production
Inventor: OTANI MASARO
IPC: C08G77/06
Filed: 1992-04-28
Abstract: PURPOSE:To obtain a new oligomer highly compatible with various resins, useful as e.g. a physical property improver for various resins by cohydrolyzing each specific tetraalkylsilicate and functional alkylsilicate. CONSTITUTION:The functional group-bearing oligomer can be obtained by cohydrolyzing (A) a 1-4C alkyl-bearing tetraalkylsilicate (e.g. tetramethoxysilane) or an oligomer produced by its partial hydrolysis and (B) a functional alkylsilicate of the formula (R<1> is functional group; R<2> is 110C alkyl or alkoxyalkyl; R<3> is functronal group or alkyl; m IS 1-3; n is 0 or 1) (e.g. gamma- glycidoxypropyltrimethoxysilane). This oligomer has the molecular weight in terms of polystyrene size of 500-100000 determined by GPC method. It is preferable that the cohydrolysis be made in the presence of such a solvent as to be soluble for both water and the component B (e.g. THF). The catalyst to be used is pref. an acidic compound such as hydrochloric acid.
Patent JP-S5260561-A (JP)
Title: Arc extinction of thyristor
Inventor: NANTOU KENJI
IPC: H03K17/72
Filed: 1975-11-14
Abstract: PURPOSE: Discharge currents of a plural number of commutation circuits are overlapped one another and applied to a thyristor.  Then the discharge currents are reversed-biased in the thyristor, thereby extingushing the arc of the thyristor.  In this way, it is possible to minimize currents that flow through individual commutation circuits and decrease currents that flow wastefully. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S61294889-A (JP)
Inventor: MATSUMOTO HIROBUMI
IPC: H05K1/14
Filed: 1985-06-22
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-H0669209-A (JP)
Title: Manufacture of semiconductor device
Inventor: KUWATA TAKAAKI
IPC: H01L23/52
Filed: 1992-05-28
Abstract: PURPOSE:To obtain a flat multilayer wiring by removing a second insulating film and a silica film coating by etching and then selectively growing a metal film with the same thickness as that of the former films thereon. CONSTITUTION:A thin Al film 3, a silica film 4 and a second silicon oxide film 5 are formed on the silicon oxide film 2 of a silicon substrate 1, and then the silicon oxide film 5 and the silica film 4 are removed in the region where a metal wiring is formed to expose an Al film 3. Next, after an Al film 6 is selectively grown on the Al film until the thickness of the Al film 6 reachs the same film thickess as the depth of a groove, a heat treatment is applied thereto to make a mosture in the silica film 4 under the silicon oxide film 5 react to the Al film 3, thereby changing it into an Al2O3 film 7 to effect insulation between adjacent metal wirings. Thereby, a flat multilayer wiring may be obtained.
Patent JP-H06325904-A (JP)
Title: Chip-like electronic component
Inventor: TAMAKI ZENICHI
IPC: H01C1/148
Filed: 1993-05-14
Abstract: PURPOSE:To prevent the peeling of side surface electrode layers and the peeling of a plated layer provided on the side surface electrodes from being generated by a method wherein the density of metal particles in the side surface electrode layers consisting of a resin is made low on the side of a chip main body and is made high on the side of the plated layer. CONSTITUTION:A chip-like electronic component has side surface electrodes 5 on the side surfaces of a chip body, the electrodes 5 contain a resin and metal particles and the metal particles are distributed in such a way that they are contained in a high density in surface layers 5b of the side surface electrode layers 5 and are containd in a low density in lower layers 5a of the electrode layers 5. Thereby, the high-accuracy and high-reliability chip-like electronic component of a structure, wherein the peeling of the side surface electrode layers and falling off of the electrode layers are never generated and moreover, the peeling of a plated layer provided on the side surface electrodes is not generated, can be obtained.
Patent JP-H08327891-A (JP)
Title: Patterned light projecting device
Inventor: KOMIYA YASUHIRO
IPC: G02B7/32
Filed: 1995-06-02
Abstract: PURPOSE: To project an optimal light pattern suited to the purpose by generating a light projecting pattern according to a subject image in order to provide a focusing device without erroneous detection even when the contrast of a subject is low or the subject is dark. CONSTITUTION: A subject image obtained by an image pickup part 11 is supplied to a light projection pattern generating part 12. In the light projection pattern generating part 12, a light projection pattern for increasing the contrast of a subject and a prescribed frequency band is generate. Light is projected by a light projecting part 13 based on the pattern generated in the light projection pattern generating part 12. Consequently, by generating a light projection pattern complied with the image of the subject and projecting the pattern on the subject, the contrast of the subject and the prescribed frequency band are increased and focusing accuracy is sharply improved in a focusing device.
Patent JP-S63300584-A (JP)
Title: Pulse laser device
Inventor: HARA KAZUHIKO
IPC: H01S3/23
Filed: 1987-05-29
Abstract: PURPOSE:To sequentially amplify a laser output by providing an optical fiber cable between an oscillator and a pulse generator to stably provide a delay between a plurality of stages of laser tubes. CONSTITUTION:The electric signal of an oscillator 1 is converted by an electricity-light converter 9 to an optical signal, transmitted through an optical fiber cable 10 to a plurality of stages of light-electricity converters 11 connected in parallel, and then again converted to an electric signal. Thus, the stages are entirely electrically insulated to prevent noises generated in the respective stages from electrically interfering each other. Further, a laser output can be stably sequentially amplified by generating a pulse laser oscillation delayed at a predetermined time at each stage.
Patent JP-H10335158-A (JP)
Title: Bobbin
Inventor: YAMAMOTO KAZUYUKI
IPC: H01F27/32
Filed: 1997-05-27
Abstract: PROBLEM TO BE SOLVED: To assure heat resistance of a second bobbin body at soldering by making a first bobbin body to be thinner in wall for improved magnetic characteristics. SOLUTION: A bobbin 11 has an iron core 12 engaged inside while coils 13 and 14 are wound on the outside, with pins 15 and 16 connected to the coils 13 and 14 provided on it in projected manner. A first bobbin body 21 and a second bobbin body 12 are coupled to constitute the bobbin 11. The first bobbin body 21 engaged with the iron core 12 is formed of a thermoplastic resin and made thinner in wall for improved magnetic characteristics. A second bobbin body 22, on which pins 15 and 16 are protruded, is formed of a thermosetting resin, for assured heat resistance when the coils 13 and 14 are soldered to the pins 15 and 16.
Patent JP-H11319926-A (JP)
Title: Method for preventing hole in tail end part in hot finish rolling
Inventor: FUKUSHIMA TAKAHIRO
IPC: B21B37/38
Filed: 1998-05-19
Abstract: PROBLEM TO BE SOLVED: To provide a method for preventing the generation of holes in the tail end part, which is caused by defective middle waviness of a rolled material in hot finish rolling. SOLUTION: According to the measurement of the amplitude of vertical vibrations of the tail end part of a rolled material 3 after its tail end part 4 has passed a stand 2 immediately before the tail end part 4, the strip crown controller 7 of a stand 1 is controlled in a direction to increase a strip crown. It is acceptable that instead of amplitude measurement, the controller 7 may be changed to a direction to increase the strip crown by a specific amount by detecting that the amplitude has exceeded a certain limit.
Patent JP-H05334346-A (JP)
Title: Language converting device
Inventor: KUGA SHIGEKI
IPC: G06F17/28
Filed: 1992-05-28
Abstract: PURPOSE:To provide the language converting device where a desired language conversion rule that a user easily uses, can easily be set. CONSTITUTION:When the system of the language converting device is actuated, an interaction menu is displayed and the operator selects a desired menu in it (S11-S13). When the operator selects a menu for inputting a new rule of language conversion (yes in S14), a rule input screen appears (S15) and the desired rule is inputted. When it is judged that the conversion rule is surely selected (yes in S19), a language converting process is performed according to the rule.
Patent JP-H10323285-A (JP)
Title: Electric cooker
Inventor: FURUTA HIROSHI
IPC: F24C7/08
Filed: 1997-05-27
Abstract: PROBLEM TO BE SOLVED: To provide an electric cooker capable of preventing removal of electric connection by deflection of engagement of an electric cooker main body with a temperature regulator and notifying a user a failure when abnormal overheat is generated in a plate or at an electric connection part. SOLUTION: An electric cooker is provided with an electric cooker main body 20 having a heater 6, a temperature regulator 19 to supply power to the heater 6, a contact plate 3 spring-energized to either of the electric cooker main body 20 and the temperature regulator 19, and a plug pin 11 to be applied to a contact plate 3 spring-energized to the other of them, and a magnet 13 and a protruded part 14 to attract each other are provided on the electric cooker main body 20 and the temperature regulator 19, so an applied condition of the contact plate 3 to the plug pin 11 is held by attraction between the magnet 13 and the protruded part 14. The magnet 13 is provided close to the plug pin 11.
Patent JP-S61296112-A (JP)
Title: Cuprammonium cellulose hollow yarn membrane
Inventor: IWATA MICHITAKA
IPC: B01D71/06
Filed: 1985-06-25
Abstract: PURPOSE:A hollow yarn membrane of cuprammonium process cellulose having improved strength and dimensional stability when it is set, obtained by specifying average molecular weight, orientation function parameter, average hole diameter of holes of inner wall face and an outer wall face and porosity in the face. CONSTITUTION:A hollow yarn membrane of cuprammonium process cellulose holes with 0.02-10mum average diameter are opened in >=10% facial porosity on the inner wall face and on the outer wall face of the hollow yarn wherein cellulose molecules having >=5X10<4> average molecular weight are orientated in the fiber axis direction in 0.20-0.35 orientation function parameter. This membrane, for example, can be obtained by extruding 8wt% cuprammonium solution from a ring-shaped part of circular spinneret at 1.25ml/minute directly to a mixed solution having a specific ratio of acetone, water and ammonia while feeding a mixed solution having a specified ratio of acetone, water and ammonia to the interior of the ring, coagulating the solution and winding the yarn membrane. Then, the yarn membrane is regenerated with an aqueous solution of sulfuric acid, washed with water, replaced with acetone and dried in vacuum in 10% elongated state.
Patent JP-H088112-A (JP)
Title: Magnetic attracting fixture
Inventor: KOIDE TOMOTAKA
IPC: H01F7/02
Filed: 1994-06-20
Abstract: PURPOSE:To mount a magnetic attracting member on a main body part with the different mounting structure from the conventional one. CONSTITUTION:A magnetic adsorption fixture 10 comprises a magnetic attracting member 20 and a main body part 30. The magnetic attracting member 20 has a magnet 2 and a holding body 1 for holding it. The main body part 30 is a frame-form member, in the center of which an opening is formed, and a projecting part 32 is provided in the inner part thereof. The magnetic attracting member 20 is fitted into the opening of the main body part 30 from the lower side of the drawing on the opposite side to the upper surface side, namely the attracted surface. At that time, the locking part 1d and a locking claw 1e are engaged with the projecting part 32 of the main body part 30, thereby preventing the magnetic attracting member 20 from slipping out on the rear surface side, namely, on the upper side of the drawing.
Patent JP-H01305532-A (JP)
Title: Characteristic analysis of semiconductor integrated circuit
Inventor: HIZAWA MAMORU
IPC: H01L21/66
Filed: 1988-06-03
Abstract: PURPOSE:To make it possible to measure circuit characteristics utilizing wiring for measurement by fixing the wiring for measurement, produced by irradiation of laser beams on wiring material, to the specified position of an IC chip where an element and wiring for circuit constitution are formed. CONSTITUTION:In an IC chip 1 a transistor 2 is already formed, and an emitter electrode 31 of the transistor 2, a base electrode 32 and a collector electrode 33 are connected to wirings 41, 42 and 43, respectively, in contact holes. When seeking to connect and short-circuit the wirings 41 and 42 with resistance wirings to analyze the characteristics of this element 2, powder-form or paste- form resistance material 50 is applied near the part to be connected, and it is fixed onto the chip surface as a resistance layer 5 by applying laser beams 6 to the part to be connected. And surplus resistant material 50 is removed by the use of wind pressure of a solvent. Making use of measurement wiring which is fixed this way and has the specified resistance value, the circuit characteristics can be measured.
Patent JP-S63301302-A (JP)
Title: Compensating method for control system having waste time in its input
Inventor: OGURO RYUICHI
IPC: G05B13/00
Filed: 1987-05-30
Abstract: PURPOSE:To simplify a waste time compensating operation and to shorten the processing time of an arithmetic microprocessor by providing a sampler in the middle of a control system having the waste time in its input and setting the sampling time at the same value as the waste time. CONSTITUTION:A DC servo motor control system applies the time delay compensation for the sliding mode control and comprises a sliding mode controller 1, a D/A converter 2, a pulse width modulation servo amplifier 3, a DC servo motor 4, a speed detector 5, a position detector 6, etc. The speed signal detected by the detector 5 is converted into a digital signal by an A/D converter 7 and supplied to a waste time compensating block 8 as a speed feedback signal. While the pulse signals produced by the detector 6 and equivalent to the rotational position of a motor 4 are counted by an up/down counter 9 and supplied to the block 8 as the position feedback signals. Thus the corrected feedback value is given to the controller 1.
Patent JP-H08302976-A (JP)
Title: Wooden soundproofing floor board
Inventor: KIRA NAOTOSHI
IPC: E04F15/18
Filed: 1995-05-10
Abstract: PURPOSE: To provide wooden soundproofing material which is easy to manufacture and which does not call for much labor by joining a sheet material which comprises a corrugated expanded synthetic resin and a viscoelastic high gravity substance in multilayer integrally. CONSTITUTION: A cushioning material 2 which comprises a profiled-worked and corrugated expanded synthetic resin, is integrally stuck to the bottom of a wooden base board 1. Then, a sheet material 3 made of a viscoelastic high gravity substance is stuck to the bottom of the cushioning material 2 in multilayer integrally. Favorably, a separable filmlike substance is further stuck to the floor substrate stuck surface of the sheet material 3. It is also desirable that an uneven area is formed on the floor substrate stuck surface of the sheet material 3. More preferably, a plurality of cut grooves are made in the bottom of the wooden base board. This construction makes it possible to manufacture relatively easily a wooden soundproofing floor material which is high in a soundproofing performance and protects the floor surface from being damaged by the loading of a heavy weight.
Patent JP-S5928588-A (JP)
Title: Inhibitor for dendrite of zinc
Inventor: ANDOU YASUO
IPC: C25D3/22
Filed: 1982-08-09
Abstract: PURPOSE:To provide a zinc dendrite an inhibitor for dendrite of zinc suppressing the formation of dendrie crystal when added to an electrolyte for Zn electrodeposition to obtain a smooth Zn electrodeposition surface, comprising Pb, Sn, Cd and a quaternary ammonium salt. CONSTITUTION:To an electrolyte for Zn electrodeposition (e.g., a cathode liquid in a secondary battery having a Zn electrode), Pb, Sn, Cd and quaternary ammonium salt are added in a predetermined amount as a Zn dendrite (Zn dentritic crystal) inhibitor. In this case, in each componential addition amount of the inhibitor per 1l electrolyte, for example, when Pb is 10<-4>mol, Sn is 10<-4>mol, Cd is 10<-4>mol and the quaternary ammonium salt (methylethylmolpholinium bromide) is 1mol, a good result is obtained. That is, by using the aforementioned inhibitor, the precipitation of dentrite is effectively suppressed even in high current density and a smooth Zn electrodeposition surface having metal gloss is obtained.