baber/WOPTO huggingface dataset:
Patent JP-H11281890-A (JP)
Title: Two-group zoom lens
Inventor: OTA KOHEI
IPC: G02B13/18
Filed: 1998-03-27
Abstract: PROBLEM TO BE SOLVED: To obtain a two-group zoom lens which is compact and has various aberrations excellently compensated and good image forming performance, specially, a two-group lens which is suitable for a compact camera. SOLUTION: The two-group zoom lens consists of a 1st lens group 1G with positive refracting power and a 2nd lens group with negative refracting power in order from the object side and a zoom lens for photography which is varied in power by varying the distance between the both and has a >=x2.5 power vairation ratio and a >=70 deg. field angle at the wide-angle end meets requirements of 1.25<=Tw/Tt<=180 and 0.60 <=fFc/fw0.90, where Tw is the telephoto ratio at the wide-angle end, Tt the telephoto ratio at the telephoto end, fw the focal length at the wide-angle end, and fFc the focal length of the 1st lens group.
Patent JP-H09271671-A (JP)
Title: Hydrogenating catalyst used in production of hydrogen peroxide
Inventor: OKUDA NORIKAZU
IPC: B01J23/58
Filed: 1996-04-03
Abstract: PROBLEM TO BE SOLVED: To obtain a hydrogenating catalyst of anthraquinones high in selectivity without damaging the strength, activity and life of the catalyst by adding a specific amt. of an alkali metal to silica. SOLUTION: An alkali metal is added to silica in an amt. of 0.1-5% by wt. of silica., As silica, silica used as a usual catalyst carrier may be used. The content of palladium is usually 0.1-10% by wt. of silica and, as an alkali metal, group Ia alkali metals may be used but sodium or potassium is pref. This catalyst is prepared by supporting palladium and alkali metal on silica. An ion exchange method is excellent in the supporting of palladium. The alkali metal is supported by bringing silica or silica having palladium supported thereon into contact with a soln. of an alkali metal compd. and washing the obtained impregnated silica if necessary before drying or baking the same.
Patent JP-S63248068-A (JP)
Title: Zinc alkaline battery
Inventor: TAKADA KANJI
IPC: H01M4/42
Filed: 1987-04-02
Abstract: PURPOSE:To remarkably reduce an amalgamation rate of the negative electrode of a zinc alkaline battery by using a kind selected from a group of a specific saturated monocarboxylic acid and a salt obtained by neutralizing it with alkali metal as the corrosion inhibitor of a negative active material. CONSTITUTION:At least a kind selected from a group of a specific saturated monocarboxylic acid indicated in the formula RCOOH and a salt obtained by neutralizing it with alkali metal is used as the corrosion inhibitor of the negative electrode of a zinc alkaline battery in which alkaline aqueous solution mainly comprising potassium hydroxide or sodium hydroxide is used as electrolyte, zinc or zinc alloy as negative active material, and manganese dioxide, silver oxide, oxygen, nickel oxyhydroxide, or mercuric oxide as positive active material. Thereby, the corrosion resistance of zinc negative electrode is increased and the zinc alkaline battery in which an amalgamation rate is low and practicality is high can be obtained.
Patent JP-H05250884-A (JP)
Title: Nonvolatile storage device
Inventor: UNNO YUSAKU
IPC: G11C16/06
Filed: 1992-03-04
Abstract: PURPOSE:To process a device at high speed at the time of writing data. CONSTITUTION:A memory part 16 is constituted of a frash EEPROM and when data is written in the memory part 16, after the data is retreated to a buffer part 17, the data of the memory 16 is erased. At this time, since the buffer part 17 is constituted of a memory reading/writing by a prescribed unit amount e.g. by 1 byte, erasure processing at the time of writing the data in the buffer part 17 is facilitated.
Patent JP-S59208992-A (JP)
Title: Video signal circuit
Inventor: KANTANI MASASHI
IPC: H04N9/04
Filed: 1983-05-12
Abstract: PURPOSE:To improve the picture quality of a reproduced picture by cancelling an R signal component leaked to a G signal by means of a signal whose frequency is equal to the leaked frequency and whose amplitude corresponds to the R signal so as to eliminate effectively a 1/2 frequency beat at the G signal. CONSTITUTION:An inter-line tranfer type CCD100 performs a horizontal and a vertical scanning in response to a horizontal scanning clock HCLK and a vertical scanning clock VCLK and its video signal output is applied to a sampling circuit 108. The sampling circuit 108 samples the video signal, separates the signals into the three, R, G, B primary chrominance signals and outputs them to outputs 112, 114 and 116. An excessive carrier is leaked from mainly an R picture element cell on an adjacent horizontal row is leaked to the G signal and an excessive signal component is superimposed. In order to eliminate this leakage component, a frequency substantially equal to 1/4 of the frequency of the HCLK is taken as a carrier by a cancellation circuit 150, this is amplitude- modulated by the R signal, the cancelling signal is formed in matching with the phase and level of the leakage component 202 of the G signal and it is subtracted from the G signal.
Patent JP-H06293672-A (JP)
Title: Purification of hexamethyl tetralin
Inventor: SATO HIROSHI
IPC: C07C13/48
Filed: 1993-04-08
Abstract: PURPOSE:To easily obtain high-purity 1,1,3,4,4,6-hexamethyl tetralin from crude 1,1,3,4,4,6-hexamethyl tetralin in high recovery rate. CONSTITUTION:Crude 1,1,3,4,4,6-hexamethyl tetralin 90-95wt.% in purity is heated and melted in methanol, and then cooled. A seed crystal is then added to the resultant liquid at 45-60 deg.C followed by crystallization while continuously adding water to the liquid.
Patent JP-S5055202-A (JP)
IPC: G10L19/02
Filed: 1974-07-18
Abstract: A speech transmission system employing a semi-vocoder comprising a spectral analyzer and a spectral synthesizer for the upper frequency range of the speech signal. The speech signal in the low frequency range base band is transmitted by using delta modulation and the delta-modulated base band signal is used directly in the receiver as a voice excitation signal for the spectral synthesizer.
Patent JP-S57197821-A (JP)
Title: Vapor phase growing device
Inventor: NAKAI KENYA
IPC: H01L21/205
Filed: 1981-05-30
Abstract: PURPOSE:To remove impurities contained in metallic chromium for good quality semi-insulating GaAs, by equipping a hydrogen gas supply inlet on the part of reaction finish by the chromium in the second reaction tube arranged in the first reaction tube with the second reaction gas. CONSTITUTION:Gallium 6 is arranged in the first reaction tube 8 containing the second reaction tube 9 with chromium 5 in said first reaction tube with a GaAs substrate 7 provided on the outlet of the second reaction tube. Then, high purity N2 containing AsCl3 subject to reaction with the metallic chromium 5 is passed through the gas supply inlet 3, AsCl3 gas to prevent the precipitation of chromium, etc. through the main reaction gas supply inlet 4 and hydrogen gas through the gas supply inlet 10 for epitaxial growth. Thus, chromium is prevented from oxidation to prevent the production of new chlorides.
Patent JP-S59349-A (JP)
Inventor: EDOWAADO JIYURIAN PITSUCHIFUOO
IPC: B05B3/04
Filed: 1983-05-12
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-S565731-A (JP)
Title: Welding method of thermoplastic resin strand on thin sheet body
Inventor: YAMASHITA TAKAO
IPC: B29C65/02
Filed: 1979-06-28
Abstract: PURPOSE:To attach thermoplastic resin strands to a thin sheet body simply and in a short time without spoiling its appearance by a method wherein the thermoplastic resin strands are welded in a thin sheet body locally at intervals. CONSTITUTION:A thermoplastic resin strand 1 is arranged on a thin sheet body 2 placed on a mount 4. When pressure and ultrasonic oscillation are given by an ultrasonic tool 3 on the side of the strand 1, the thermoplastic strand 1 is heated and melted at the boundary surface with the thin sheet body 2, permeates through the gaps of the thin sheet body 2 or melted into a unitary body therewith. Such process is repeated at regular intervals for the purpose of local welding.
Patent JP-H09246608-A (JP)
Title: Electronic device
Inventor: IKEGAWA SUMIO
IPC: H01L39/02
Filed: 1996-03-11
Abstract: PROBLEM TO BE SOLVED: To provide an electronic device such as multilayer type Josephson junction device having an Ic Rn product to be high enough and high performance obtained at high reproducibility. SOLUTION: This element is composed of a lower and upper electrodes 3 and 5 made of a copper oxide superconductor and intermediate layer 4 inserted between them. This layer 4 is composed of m layers of a Perovskite structure oxide formulated by (M)m (AR1)m-n+1 (AR2)2 (AR3)1 Cu2 Oy (M is element having a valence of +3 to +4 and ion radius of 0.053nm-0.072nm, AR1, AR2 and AR3 are alkali earth elements, rare earth elements or mixtures thereof, 2<=m, 0<=n<m-1, 3<=m+n, y is oxygen proportion) and contg. M in unit cells of its crystal structure and n layers of laminar Cu oxide contg. block layers formulated by (M)m (AR1)m-n+1 (AR2)2 O3m+n+1-δ formed thereon.
Patent JP-S57198393-A (JP)
Title: Fan speed controller
Inventor: FUTAMURA KEIZOU
IPC: F04D27/02
Filed: 1981-05-29
Abstract: PURPOSE:To check an overheating of motors, transistors, etc., by arranging on the motor circuit a galvano-resistor and a power relay contact in series as well as normally open relay contacts in parallel, closing the normally open relay at the time of motor trouble and disconnecting power at the time of trouble still continuing. CONSTITUTION:Closing switches 2 and 3, when trouble happens after a motor 5 starts, i.e., when the current of a galvano-resistor 6 rises unusually, as well as when terminal voltage of the motor 5 drops abnormally, a normally open relay contact 19 being connected to a power transistor 7 in parallel is closed and motor current is by-passed, the torque of the motor 5 increases, trying to be rid of motor freeze. However, when trouble continues even after the lapse of a set time, voltage, current trouble detector circuits 9 and 10 and a logic circuit 11 generate signals and afterward they are outputted to time circuits 13 and 12. When this wrong state continues after the lapse of a fixed time, a transistor 15 is turned to OFF by a hold circuit 14 and a power relay 4 becomes unenergized and held.
Patent JP-H08116982-A (JP)
Title: Production of highly unsaturated fatty acid glyceride
Inventor: IMAMURA SHIGEYUKI
IPC: C11B7/00
Filed: 1995-03-15
Abstract: PURPOSE: To produce the subject compound having blood lipid depressing action and antiarteriosclerotic action by hydrolyzing oil and fat containing highly unsaturated fatty acid with a lipase originated from Candida lipolytica and subjecting the hydrolyzed product to a free fat removing treatment. CONSTITUTION: The objective highly unsaturated fatty acid glyceride is produced in high efficiency by dissolving a lipase originated from Candida lipolytica in a reaction liquid containing 0.005M tris-HCl buffer solution (pH8.2), 0.2M potassium chloride and 5% gum arabic, etc., mixing the solution with oil and fat containing highly unsaturated fatty acid [e.g. eicosapentaenoic acid-(EPA) or docosahexaenoic acid(DHA)}, e.g. fish oil, adjusting the pH to 8.2 at 25 deg.C, carrying out hydrolysis reaction for 15hr under stirring, adding hexane to extract the oil and fat, subjecting the extract to centrifugal separation to recover a hexane phase, adding acetone and a 3N sodium hydroxide solution to the hexane phase, stirring for 1hr at room temperature, separating the hexane phase free from free fatty acids and distilling off the solvent from the product.
Patent JP-S566761-A (JP)
Title: Pouring method of molten metal in continuous casting
Inventor: EKIMORI TERUMICHI
IPC: B22D37/00
Filed: 1979-06-29
Abstract: PURPOSE:To prevent the inclusions in steel from increaing and obtain the clean steel by spouting an inert gas to the molten metal surface portion right under a pouring nozzle to form a slag layer expelling part and pouring molten metal flow into this expelling part. CONSTITUTION:An inert gas G such as Ar is spouted downward from a nozzle 5 to remove the slag layer 23 of the molten metal surface part in a tundish of a previous charge existing right under the end of the pouring nozzle 22 of a ladle 21 to its circumference, thereby forming an expelling part 24 and substituting the same with an oxidation-free atmosphere. After this, the sliding nozzle 25 of the ladle 21 containing the molten metal S of the next charge is fully opened to discharge the molten metal S into the tundish, whereby ladle connection of sequential continuous cast is accomplished. According to the continuous casting by this pouring method of molten metal, visible inclusions and pinholes in slab surface decrease considerably and the slag of desired good quality free from any increase in the amounts of T. [N], T[O] in the steel is obtained.
Patent JP-S59207648-A (JP)
Title: Semiconductor substrate
Inventor: YAMANE MAKOTO
IPC: H01L23/14
Filed: 1983-05-11
Abstract: PURPOSE:To make it possible to perform wire bonding or soldering without a noble metal layer, by providing a nickel cobalt layer including 0.5-5 weight percent of cobalt on a conductor on a resin substrate. CONSTITUTION:On a phenol substrate 1, a conductor 2 comprising a copper foil having the thickness of about 35mum is arranged. With a Watts bath as a base, cobalt sulfate is added on the conductor 2. A nickel cobalt layer 3 including 0.5-5 weight percent of cobalt is provided on the substrate to the thickness of 3-10mum. The substrate is heated to 180-200 deg.C, and a thin aluminum wire 4 is bonded by ultrasonic waves.
Patent JP-S58199583-A (JP)
Title: Multiple wavelength semiconductor laser
Inventor: UMENO MASAYOSHI
IPC: H01S5/40
Filed: 1982-05-15
Abstract: PURPOSE:To simultaneously oscillate the light of multiplex wavelength by monolithically integrating a plurality of semiconductor lasers of different wavelength on the same substrate. CONSTITUTION:Thin film crystalline layers of N type InP layer 5, N type InGaAs layer 6, N type InP layer 7, N type InGaAsP layer 8 and N type InP layer 9 are sequentially grown on an InP substrate. The band gap energy of the layers 6, 8 is selected to obtain desired oscillating wavelength. Then, the substrate 4 is isolated to the underneath the layer 8, thereby forming a P type region 13. Further, after an anode oxidized film 10 is formed, ohmic electrodes 1, 2, 3 are formed. Points 11, 12 become active layers, and two light outputs intensities are independently controlled by the current which is flowed between the electrodes 2 and 1 and between the electrodes 3 and 2.
Patent JP-S59207630-A (JP)
Title: Cylindrical plasma etching apparatus
Inventor: YAMAMORI NOBUAKI
IPC: H01L21/302
Filed: 1983-05-11
Abstract: PURPOSE:To uprate the etching without heightening a high-frequency voltage applied to electrodes by a method wherein a plurality of single-pole magnets are disposed in parallel or vertical to the central axis of the circular arc defined by the electrode, and the adjacent magnets are differentiated in polarity. CONSTITUTION:Unipolar magnets 7, 8, which differ respectively in polarity, are disposed on the circumferences of external electrodes 1, 3 of a circular cross- section such that the magnets extend in a direction parallel to the central axis of the circular arc, whereby the magnets are combined in a cylindrical shape. With a wafer 5 set inside an internal electrode 4 within a chamber 2, an electric discharge occurs between the external lower electrode 3 grounded and the external upper electrode 1 connected to a high-frequency power source 16. The magnetic field is vertically applied to the electric field by virtue of the single-pole magnets having a heteropolarity, which are mounted on the external electrodes 1, 3; a half of those are N-pole magnets 7 and the rest are S-pole magnets 8. Subsequently, the electrons generated in the midst of plasma cause a cyclotron motion, thereby to bring about an increase in the ionization efficiency and a multiplication in the amount of radical atoms generated therein. As a result, the etching rate rises.
Patent JP-H04314634-A (JP)
Title: Traction control device for vehicle
Inventor: TSUYAMA TOSHIAKI
IPC: B60W10/06
Filed: 1991-04-15
Abstract: PURPOSE:To contrive adequateness of traction control at the time of starting by independently estimating a friction coefficient respectively relating to right/ left drive wheels based on a relation between a preset engine speed and the road surface friction coefficient under a specified starting condition of a vehicle. CONSTITUTION:In a control unit 200, an engine speed, represented by a detection output signal Sn at the time of starting a vehicle, is collated with a data map, determining a relation between an engine speed prestored in a built-in memory and a road surface friction coeffient, to individually estimate friction coefficients muR, muL of right/left rear wheels at the time of starting. In the case of estimating the friction coefficient of only one of the right/left rear wheels 20R, 20L at the time of starting, the control unit 200 estimates the friction coefficient of the other rear wheel with a fixed value muX. Accordingly, the road surface friction coeffient respectively of the right/left drive wheels can be adequately estimated, and after setting a target slip value based on this coefficient of the drive wheels, traction control can be adequately performed.
Patent JP-S59207259-A (JP)
Title: Recorder
Inventor: WATANABE NOBUTAKA
IPC: B41J2/175
Filed: 1983-05-11
Abstract: PURPOSE:To eliminate the needs for piping from a main tank to a head by a method in which a subtank is provided to the head unit, recording is made on given numbers of papers by ink in the subtank, the head unit is restored to its initial position, and then ink is supplied from the main tank. CONSTITUTION:In an ink jet recorder, a main ink tank 16 is provided on the recorder side, and an ink subtank 31 is provided to a head unit 2. The amount of ink to be stored in the subtank 31 is controlled to an amount enough to record given numbers of papers. After given numbers of papers are recorded, the head unit 2 is restored to its initial position, a capping device 7 is contacted with the head unit 2, and the pressure of the subtank 31 is reduced by the pump 8. The ink can thus be supplied through the pipe 18 and the capping device 7 from the main tank 16.
Patent JP-S63248102-A (JP)
Title: Rare earth permanent magnet
Inventor: OHASHI TAKESHI
IPC: C22C38/00
Filed: 1987-04-03
Abstract: PURPOSE:To obtain a magnet having a stabilized tetragonal compound, a high Curie point and high degree of magnetic characteristics by a method wherein the Ti and M of the prescribed quantity is added to an R-Fe compound. CONSTITUTION:A permanent magnet is obtained using a five-component alloy shown by a formula RxTiyMzFeaCob. The R in the formula indicates one or more kinds of the rare earth elements containing Y, M indicates Zr or Hf, and the range of their composition in weight percentage is x=12-30%, y=1-8%, z=0.1-8%, a=55-80%, and b=34% or below. This five-component compound has a tetragonal structure, its indexing is possible, and the temperature variation of magnetization is approximately of a single phase. The tetragonal compound can be stabilized by introduction of Ti and Zr.
Patent JP-S58199885-A (JP)
Title: Discharging device for electrodeposited metal
Inventor: ABE KIYOTAKA
IPC: C25C7/08
Filed: 1982-05-18
Abstract: PURPOSE:To provide a titled device which makes the subsequent operations of handling electrodeposited metals stripped from cathode base materials simpler and more efficient by the constitution wherein the electrodeposited metals are orderly arrayed by an arraying mechanism and are loaded in this state on a belt conveyor. CONSTITUTION:The plate-like electrodeposited metals W1, etc. stripped with the blades 7a, etc. of scrapers from many cathode base plates 1a, etc. suspended in parallel are received with inclined cam blocks 8a, 8a', etc. mounted on cushion plates 2, 2' provided in the lower part and are inclined leftward. The inclined metals W1, etc. are once supported with pin members 9a, etc. provided to a horizontal frame 20, whereafter the plates 1a, etc. are removed; further, the pin members 9a, etc. are turned 90 deg. counterclockwise by the operation of a bell crank not shown in the figure to shift the metals W1, etc. to the left side, then the plates 2, 2' are turned in an arrow direction to drop the deposited metals, whereby the metals W1, etc. loaded orderly on a belt conveyor 4 are obtained.
Patent JP-S58200229-A (JP)
Title: Controller for diazo copying machine
Inventor: ISHIMARU KENJI
IPC: G03G15/00
Filed: 1982-05-18
Abstract: PURPOSE:To obtain an optimum copy density for every original, by providing a means, which corrects the automatic printing control, in a diazo copying machine having the automatic printing control function. CONSTITUTION:In the automatic printing control, when an original transmitted light quantity detecting circuit 32 detects the quantity of the transmitted light of the ground of an original and applies the output to a relay driving circuit 39, the circuit 39 switches a relay switch 40 to the side of a contact 40A. Resistors 44, 46, and 48 are connected between the contact 40A and one terminals of switches 34, 36, and 38 respectively. When the relay switch 40 is switched to the side of the contact 40A and one of switches is turned on, corresponding one of resistors 44, 46, and 48 and a resistor 50 are operated as a voltage dividing circuit, and the voltage generated at a connection point 52 is applied to the non- inverted input terminal of a comparator 54. The output of the comparator 54 is applied to the base of a transistor TR 86 to operate a driving motor 30 in a speed corresponding to the level of the output of the comparator 54. Thus, switches 34, 36, and 38 are selected to set the printing density fo ''thin'', ''original density of automatic printing'', and ''thick''.
Patent JP-H01254860-A (JP)
Title: Method of measuring concentration of component liquid of liquid mixture
Inventor: SEKIGUCHI NAOKI
IPC: G01N27/06
Filed: 1988-04-04
Abstract: PURPOSE:To deal with a change in liquid temp. without being limited by the number of component liquids and to determine the component concn. itself as the result of measurement by determining the respective coeffts. of the quadratic approximate expression of Taylor expansion of the specific general equation indicating concn. with respect to a sample liquid mixture. CONSTITUTION:The respective coeffts. of the quadratic approximate expression of Taylor expansion of the general equation Ci=fi(D1, D2...DN, T) where N variables D1, D2...DN and the liquid temp. T are previously determined with respect to the sample liquid mixture in the method of measuring the concn. Ci of the prescribed component liquid of the liquid mixture 10 consisting of N-kinds of the component liquid. The variables D1, D2...DN are measured as physical quantities from the liquid mixture 10 to be measured by using an ultrasonic meter 12, an electromagnetic type conductivity meter 13 and a hydrometer 14. The liquid temp. T is measured by using a thermometer 17. The measurement data obtd. in such a manner are substd. in the quadratic approximate expression of Taylor expansion and the concn. Ci is determined by a computing element 18.