baber/WOPTO huggingface dataset:
Patent JP-S59165946-A (JP)
Title: Efficient dc motor with less torque ripple formed of commutators with 4-poles, 5-windings, 10-segments
Inventor: HIRANO NORIMITSU
IPC: H02K23/26
Filed: 1983-03-09
Abstract: PURPOSE:To reduce the torque ripple and to obtain a strong rotary torque of a DC motor by forming a commutator with 10segments, field poles in 4-poles and groove angle width of a conductor which contributes to the torque generated at an armature winding substantially equal to the poles of the field. CONSTITUTION:A field pole 9' has 4 poles. An armature winding 4' which is wound on the side of a rotor 1' body is formed in width substantially equal to the pole width of the pole 9' in the groove angle of the conductor unit which contributes to the generated torque. A rotational shaft is fixed to the center or a rotor 1', and a commutator 6' is fixed onto the same shaft as the rotational shaft. This commutator 6' is formed of 10segments 6'-1-6'-10.
Patent JP-S59174423-A (JP)
Inventor: TAKANO MASAKATSU
IPC: B65B43/18
Filed: 1983-03-09
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-S63205968-A (JP)
Title: Semiconductor element
Inventor: WAHO TAKAO
IPC: H01L21/338
Filed: 1987-02-21
Abstract: PURPOSE:To obtain a miniaturized thin-wire-like channel structure by a method wherein a thin-wire-like high-concentration impurity doped region is formed in a layer having a weak electron affinity and another layer having a strong electron affinity is formed on the region. CONSTITUTION:An FET is constituted by a source electrode 7, a drain electrode 8 and a gate electrode 4. An undoped AlGaAs layer 2 grown by a molecular beam epitaxial method, a p-type GaAs layer 3 and an n-type impurity doped region 5 are formed on a semiinsulating GaAs substrate 1; the region 5 acts as a channel-inducing region. The region 5 is doped selectively; the spread of a region 6 in the transverse direction is prescribed by the spread of a potential generated by a space charge in the region 5.
Patent JP-H04276788-A (JP)
Title: Liquid crystal projector
Inventor: HOSODA SHINICHIRO
IPC: G09F9/00
Filed: 1991-03-05
Abstract: PURPOSE:To provide the liquid crystal projector which is free from screen oscillation, has a wide visual field angle and eliminates the influence of the noise from other electronic appliances. CONSTITUTION:The IR rays emitted from an IR light emitting element 9 are modulated in an oscillation circuit 8. These IR rays are reflected by a mirror 6 via a zoom lens 4 and a focusing lens 5 and are supplied respectively to 1st, 2nd IR light receiving elements 10a, 10b on a screen 7. The quantity of the modulated IR rays received by these elements 10a, 10b varies and electric signal varying in magnitude are generated if the screen 7 is displaced from the prescribed position with the mirror 6. These signals are respectively averaged by 1st, 2nd detecting circuits 12a, 12b via 1st, 2nd BFFs 11a, 11b and the difference therebetween is determined in a comparator 13 of the ensuing stage. The compared output is supplied via an LPF 14 to a mirror driving circuit 15. The above-mentioned mirror 6 is turned by a driving device, not shown, and the displacement of the screen by the displacement of the screen 7 is returned to the prescribed position by this output.
Patent JP-H01214080-A (JP)
Title: Semiconductor laser driving circuit
Inventor: HORIKAWA MITSUHIRO
IPC: H01S5/042
Filed: 1988-02-22
Abstract: PURPOSE:To obtain a highly reliable LD driving circuit which can be used regardless to utility conditions such as a modulation speed and has an LD protective circuit against static electricity and a surge from a circuit by a method wherein the protective circuit which makes the cathode and anode of the LD short-circuited when the absolute value of the reverse voltage of the LD exceeds the absolute value of a reference voltage is provided. CONSTITUTION:Circuits 4-8 which detect the reverse voltage of a semiconductor laser (LD) 3, a reference voltage generating circuit 12 which generates a reference voltage necessary for setting the maximum reverse voltage of the LD 3, a comparator 16 which compares the reverse voltage of the LD 3 with the reference voltage and changes its output level in accordance with the result of comparison and an LD protective circuit composed of a circuit 1 which makes the cathode and anode of the LD 3 short-circuited when a signal showing that the absolute value of the reverse voltage of the LD 3 is larger than the absolute value of the reference voltage is outputted by the comparator 16 are provided in a circuit driving the LD 3. Further, for instance, the emitted luminous power of the LD 3 is monitored by a PD 2 and fed back to an APC circuit 15 and the output of the APD circuit 15 is given to a constant-current circuit.
Patent JP-S60184935-A (JP)
Title: Referential position correcting device for fuel injection pump
Inventor: KOBAYASHI FUMIAKI
IPC: F02M51/04
Filed: 1984-03-01
Abstract: PURPOSE:To achieve an accurate fuel injection start timing at any time by correcting the referential signal occurring position in accordance to the difference between the interval of plunger positions corresponding with the occurring position of a crank angle referential signal and a referential position signal and the design interval. CONSTITUTION:Under engine operation, a crank angle referential signal is outputted from a pickup 86 corresponding with a pulser 84 provided on a drive pulley 3 while a referential position signal is outputted from a pickup 62 corresponding with a signal rotor 60. A microcomputer 82 will take in at first the times Gca, Tca when said signals will occur. When a timer 52 is at the referential timer position, the crank angle Dca corresponding with the interval between the occurrences of said signals is operated on the basis of the difference between said times Gca, Tca. Thereafter, the difference between the design crank angle Do between the referential position and the plunger position corresponding with the occurring position of crank angle referential signal and said value Dca is obtained to correct the occurring position of referential position signal on the basis of said difference.
Patent JP-S62198142-A (JP)
Title: Semiconductor device
Inventor: TSUNENO HIROSHI
IPC: H01L23/10
Filed: 1986-02-26
Abstract: PURPOSE:To prevent wirings from being shortcircuited by forming in advance a projection projected on the surface of a lead frame by drawing, interposing a frame between a base and a cap, and sealing it with sealing glass. CONSTITUTION:A projection 4 which is formed by recessing the back surface of a lead frame inside and a punched portion is projected on the surface of a recessed lead frame 1 is formed. Then, a ceramic base 5 on which the frame 1 is mounted by a glass material 9a on the surface is prepared, a semiconductor element 7 is secured to the cavity 6 of the base 5, and the bonding pad electrode of the element 7 and the end of the frame 1 are wire bonded by a connector wire 8. Them, a cap 10 on which the back surface is coated with a glass material layer 9b is prepared, placed on the base 5, the glass materials 9a, 9b are melted, the cap 10 is mounted on the base 5, and sealed. Thus, it can prevent the connector wire from being contacted with the lead frame.
Patent JP-S57156943-A (JP)
Title: Full-automatic paper splicing device
Inventor: OOKUMA MASAYOSHI
IPC: B65H19/18
Filed: 1981-03-20
Abstract: PURPOSE:To avoid a loss of remaining paper by providing a vacuum suction roller free of elevation to hold under sucking the take-out end of the new winding paper and to splice the new and the old winding papers. CONSTITUTION:The winding paper 38 is fed at a high speed from a winding roll 26 to a printing section through a step roller 44 free of elevation. The end of the new winding paper 40 is held under sucking by a vacuum suction roller 74 near  a running passage of the winding paper 38. The detection means 84 detects when the rear end of the winding paper 38 is approached, and actuates a switch valve 60 to feed air to a cylinder 50. The detection means 84, furthermore, drives a cylinder 76 which supports the vacuum suction roller 74 and lowers the roller 74 toward a roller 82, and the adhesives 80 is pressed by the rollers 74, 82 to splice the new and the old winding papers.
Patent JP-H11238923-A (JP)
Title: Magnetic element, magnetic head using the same, and magnetic storage device
Inventor: SAITO YOSHIAKI
IPC: H01F10/32
Filed: 1998-02-20
Abstract: PROBLEM TO BE SOLVED: To provide a magnetic element whose decrease of a magnetic resistance change rate is small, even if the value of current flowing in a ferromagnetic tunnel junction element is increased for obtaining a desired output voltage value and which can obtain large output voltage. SOLUTION: A magnetic element 1 is provided with an insulating layer 3A having thickness where tunnel current can be made to flow, and first and second ferromagnetic films 2 and 4 arranged to sandwich the insulating layer 3. At least one of the first and second ferromagnetic films 2 and 4 is cut by a non-magnetic body 6. In the magnetic element which has ferromagnetic fine particles distributed in a dielectric matrix, has a granular magnetic film having coercive force and the ferromagnetic films that are arranged near the granular film and which makes tunnel current flow between the granular magnetic film and the ferromagnetic films, the ferromagnetic films are cut by the non-magnetic bodies.
Patent JP-S61245801-A (JP)
Inventor: KAARU HAINTSU HAABERURANTO
IPC: B01D11/04
Filed: 1986-02-26
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-S58171699-A (JP)
Inventor: ERUNSUTO BOSUHARUTO
IPC: G21C19/07
Filed: 1983-03-11
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-H0564489-A (JP)
Title: Alternating current motor driving device
Inventor: FURANKU YUUJIIN UIRUSU
IPC: H02P27/06
Filed: 1992-02-26
Abstract: PURPOSE: To provide a motor driver, by which a single-phase PSC motor whose two motor windings are mutually electrically isolated from a two-phase power supply, is driven. CONSTITUTION: A power is supplied to a PSC motor 150 from a two-phase inverter circuit 230. The PSC motor 150 can be connected either to a single- phase power supply or to the two-phase inverter circuit 230 through a four-pole double throw switch 270.
Patent JP-H05234317-A (JP)
Title: Tape cassette
Inventor: NISHIYAMA TOSAKU
IPC: G11B23/087
Filed: 1992-02-26
Abstract: PURPOSE:To achieve a device which can suppress increment in dropout, stabilize running of a tape with a small fluctuation of reproduction output level, and has a low manufacturing cost. CONSTITUTION:Upper and lower cases 4 and 5 of a main body, a slider 10 which opens and closes a case window, and a tape guide block 1 with a tape sliding part are constituted separately from a main body case. Two of both sides of a head insertion hole of the above tape sliding part are in rod shape and one edge of the rod is fixed to the tape guide block 1. Another edge of the side which is not fixed to the tape guide block is inserted and fixed to hole parts 5c and 5d which are provided at the main case. Openings 4a, 4b, 5a, and 5b where each collar is inserted are provided at the upper and lower cases 4 and 5 of the main body of the cassette tape. The collars are inserted to the openings and are adjusted so that no clearance is created between the collars and the openings, thus fixing the tape guide block 1 to the cases 4 and 5 of the main body firmly.
Patent JP-S60191143-A (JP)
Title: Hot water supplier
Inventor: OOSHIMA KAZUFUMI
IPC: F24H1/18
Filed: 1984-03-11
Abstract: PURPOSE:To reduce the fluctuation of hot water temperature when hot water is delivered and the number of additional heatings when hot water is not delivered by a method wherein the differential value on hot water temperature control in a hot water storage tank is set smaller when hot water is delivered and set larger when hot water is not delivered. CONSTITUTION:A flow switch 7 is mounted at the hot water delivery port 5 of a hot water storage tank 4 in order to turn ON and OFF by opening and closing a faucet 6. The ON and OFF signals of the flow switch 7 are so arranged as to automatically changed-over the high/low differential value of hot water temperature control by means of a control circuit unit 1 from/to smaller value to/from larger value. The fluctuation of hot water temperature can be reduced when hot water is delivered from or feed water is supplied to the hot water storage tank 4 by setting the differential value smaller when hot water is delivered and larger when hot water is not delivered. On the other hand, the number of additional heatings can be reduced when hot water is not delivered because the hot water is not used.
Patent JP-H02219958-A (JP)
Title: Hot water feeding device and its manufacturing method
Inventor: MIYAZAKI KIYOTAKA
IPC: F24H9/02
Filed: 1989-02-20
Abstract: PURPOSE:To provide a hot water feeding device less-expensive, having a superior sealing characteristic and having a small connection part by a method wherein between a heat exchanger drum to which molten brazing material is flowed and a discharging cylinder is arranged both members position setting and working part and a temporary supporting part for supporting the molten brazing material at a connection part. CONSTITUTION:A discharging cylinder 19 is fitted to a stepped part 16a of a heat exchanger drum 16 and a bent part 21. An extreme end of the heat exchanger drum 16 has a temporary supporting part 22 bent in an outer direction opposite to a combustion chamber 21. A clearance H is formed at an entire circumference between it and the discharging cylinder 19. Then, a brazing material 20 is placed on the temporary supporting part 22. As the discharging cylinder 13, one processed with copper or processed copper is applied. Brazing material is placed also between an outer circumference of a finned pipe 18 and a fine 17 so as to make a smooth flow of brazing material. Under this condition, as brazing is carried out within a furnace, the brazing material 20 is melted, flows into a clearance D formed between the discharging cylinder 19 and the heat exchanger drum 16 so as to perform a sealing action. With this arrangement, the seal agent can be eliminated and the process can be carried out at low-cost and at the same time a small-sized unit can be attained.
Patent JP-S59193251-A (JP)
Title: Preparation of aluminum alloy plate having deep drawing property
Inventor: USUI HIDEYOSHI
IPC: B21B3/00
Filed: 1983-03-10
Abstract: PURPOSE:To prepare an Al-alloy having deep drawing property, by a method wherein an Al-alloy cast ingot containing a specific amount of Fe and brought to a specific range in a Fe/Si ratio is subjected to uniform heat treatment at a specific temp. or more and, after hot rolling, cold rolling and intermediate annealing, the obtained alloy plate is subjected to finish cold rolling under a specific rolling ratio to reduce the plate thickness thereof to a specific thickness. CONSTITUTION:An Al-alloy cast ingot containing 0.4-0.7wt% Fe and Si in a Fe/Si(wt. ratio) of 1.5-2.5 is subjected to uniform heat treatment at 500 deg.C or more. Subsequently, hot rolling, cold rolling and intermediate annealing are applied to the heat treated ingot while the obtained plate is subjected to finish cold rolling under a rolling ratio of 15% or more to reduce the plate thickness thereof to 5mm. or less. By this method, an Al-alloy plate is produced having deep drawing property which has four deep drawing lugs in a direction 45 deg. to a rolling direction, has a lug ratio of 2.5% or less and is excellent in wall thickness distribution after deep drawing.
Patent JP-S62197147-A (JP)
Title: Catalyst for isomerization and disproportionation of double bond of olefin compound and method
Inventor: CHIYAARUZU ARUFURETSUDO DOREIK
IPC: C07C5/25
Filed: 1987-02-23
Abstract: Catalyst composition is provided which is prepared by impregnating high surface area, which pore volume alumina with at least one magnesium compound convertible to the oxide, and, optionally, at least one alkali metal compound which is convertible to the oxide, and/or at least one zirconium compound convertible to the oxide, then subjecting the impregnated support to an oxygen-containing atmosphere under conditions suitable to convert at least a portion of the magnesium, alkali metal and zirconium compounds to the oxide form. The resulting catalyst is an effective double bond isomerization catalyst, and also greatly enhances the disproportionation activity of disproportionation catalysts when used in combination therewith.
Patent JP-S59165292-A (JP)
Title: Semiconductor memory circuit
Inventor: SAITOU SHINJI
IPC: G11C11/41
Filed: 1983-03-11
Abstract: PURPOSE:To decrease the delay in signal and to reduce the wiring area by forming a row split memory cell group and providing a common bit line of the cell group and a selecting circuit connecting any bit line of the said cell group to the common bit line by the selecting signal based on a row address signal. CONSTITUTION:Transfer gates 20a, 20a' of selecting circuits 18a, 18b are provided between bit lines BLa, BLa' of the split cell group 13a and common bit lines CBL, CBL' and control the connection of the bit lines by a row address signal X1. The gates 20b, 20b' are provided corresponding to the split cell group 13b. The row address signals X1, X1' connect the bit line of the split cell group where a selected memory cell exists to the common bit lins CBL, CBL' and the signal representing contents of the memory cell is fed to the common bit lines CBL, CBL'. When the signal X1 is at ''H'', then the signal X1, goes to ''L'', the bit lines BLa, BLa' are connected respectively to the common bit lines CBL, CBL' so as to select the split cell groups 13a, 13c. A simple selector has only to be provided between the split cell groups in this way, thereby decreasing the length of the signal lines.
Patent JP-S59164729-A (JP)
Title: Barium sulfate contrast medium for x-ray
Inventor: KOYAMA TAKAHIRO
IPC: A61K49/04
Filed: 1983-03-11
Abstract: PURPOSE:To provide the titled contrast medium satisfying the necessary conditions such as low viscosity, high fluidity, resistance to precipitation, improved acid resistance, etc., by using CMC having an etherification degree and/or solution viscosity of specific range, as a dispersion stabilizer of a barium sulfate contrast medium. CONSTITUTION:The objective barium sulfate contrast medium for X-ray is obtained by using carboxymethyl cellulose sodium salt (CMC) having an etherification degree of >=1.25 and/or viscosity of <=20 cps as 2% aqueous solution, as a dispersion stabilizer of a barium sulfate contrast medium. The concentration of barium sulfate in the medium is generally 55-76%. Since the CMC used as the dispersion stabilizer has a viscosity of as low as <=20cps (2% aqueous solution) or an etherification degree of as high as >=1.25, the obtained contrast medium keeps high acid resistance, fluidity and tackiness, is easily taken and has improved adhesivity to the inner surface of the stomach and improved contrasting effect.
Patent JP-H0565243-A (JP)
Title: Cyclopentanone derivative
Inventor: KUMAZAWA SATOSHI
IPC: C07C49/657
Filed: 1992-01-30
Abstract: PURPOSE:To provide a new cyclopentanone derivative useful as an intermediate for producing a highly safe azole derivative which is an agricultural and horticultural germicide exhibiting a control effect against wide range plant diseases. CONSTITUTION:A compound of formula I (R<1>, R<2> are 1-5C alkyl, H; R is halogen, 1-5C alkyl, phenyl; n is 0-2; but a case in which both methyl and n is 0 are excluded), e.g. 5-(4-chlorobenzyl)-2,2dimethyl-1-cyclopentanone. The compound is obtained by dimethyl-1-cyclopentanone. The compound is obtained by alkylating a compound of formula III (when both R<1> and R<2> are the same alkyl) or benzylating an alkylcyclopentane carboxylate derivative of formula V (in a case in which one of R<1> and R<2> is alkyl and the other is H) and subsequently hydrolyzing and decarbonating the obtained compound of formula IV. An azole derivative of formula II (A is N, CH) having an action to control plant diseases and an action to adjust the growth of the plants is obtained from the compound.
Patent JP-S60183138-A (JP)
Inventor: KAWAKAMI KANJI
IPC: B32B5/24
Filed: 1984-03-01
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-S56137550-A (JP)
Title: Magnetic recording and playback device of cassette type
Inventor: OOGA KIMIO
IPC: G11B15/675
Filed: 1980-03-31
Abstract: PURPOSE:To remove the causes of defective mechanism, by making the operating button not latched to the forward position even if the operating button is pressed, unless the cassette is not loaded to the cassette loader. CONSTITUTION:At cassette loading, since the bent 31 of carrying member 4 is located back, the stopper 69 of the switch blocking plate 57 turns clockwise against the spring force 59, and the switch 60 on the switch blocking plate 57 closes to the bent 63 of the switch pressing plate 36. With this mode, when the PLAY slider 39 is depressed, the shaft 38 on the switch pressing plate 36 is depressed with the tilt 67, the switch pressing plate 36 turns clockwise, and since the bent 63 at one end depresses the mold 62 of the switch 60 and the contact 64 depresses the contact 65, the switch 60 is in operation, and the electromagnet 11 is energized. To absorb the arm 13, the linking lever 14, connecting arm 17, and connecting lever 19 are blocked for turning and movement.
Patent JP-S57154058-A (JP)
Title: Determining method of calcium
Inventor: YAMANISHI KAZUHIKO
IPC: G01N33/84
Filed: 1981-03-20
Abstract: PURPOSE:To determine the calcium in an organism sample simply, quickly, and accurately, by providng the coexistence state by putting citric acid or citrate in orthocresolphthaleincomplexon, and measuring the coloration of the calcium. CONSTITUTION:The calcium in the organism sample is determined by measuring the coloration of the orthocresolphthaleincomplexon and the calcium. In this method, the reagent, which is prepared in such a way that the concentration of the citric acid, citrate, or their mixture becomes preferably about 0.01M- 0.05M/l, is used in the coloration reaction of the orthocresolphthaleincomplexon and the calcium, and the calcium in the organism sample is determined. As for the calcium determining reagent wherein orthocresolphthaleincomplexon is used as a coloring agent, since the reagent composition itself, which is usually employed, can be used in a intact state, the circuit acid, the citrate, or their mixture can be added in the final coloration liquid so that concentration of the citric acid becomes 0.01-0.05M/l.
Patent JP-H08230116-A (JP)
Title: Multilayer laminate
Inventor: SAIHATA AKIKO
IPC: B32B27/22
Filed: 1995-02-28
Abstract: PURPOSE: To provide a multilayer laminate which has excellent hot stampable moldability and releasing strength. CONSTITUTION: A multilayer laminate comprises at least two layers of a layer (I) made of propylene resin composition prepared at a melt flow rate (measured under the conditions of 230 deg.C and 2.16kg of a load based on JIS K 7210) to 50 to 300g/10min obtained by dynamically heat treating a blend of (A) 100 pts.wt.of propylene-α-olefin block copolymer in which the ratio η1 /η2 of the melting viscosity η1 at a shearing speed of 10<1> sec<-1> to the melting viscosity η2 at a shearing speed of 10<2> sec<-1> measured by a slit die method is 3.5 to 8 and (B) 0.005 to 2 pts.wt. of organic peroxide and a base material layer (II) made of woody and fiber material.