baber/WOPTO huggingface dataset:
Patent JP-H10237525-A (JP)
Title: Dephosphorization of molten iron and steelmaking
Inventor: MIYATA MASAKI
IPC: C21C1/02
Filed: 1997-02-21
Abstract: PROBLEM TO BE SOLVED: To reduce slag quantity discharged to out of the system in a dephosphorizing process, to enable effective utilization of the discharged slag and to prevent the lowering of iron yield by reusing produced low phosphorus iron slag as flux for dephosphorizing after obtaining the low phosphorus iron by using the flux for dephosphorizing to dephosphorize molten iron, and executing the dephosphorization of the other molten iron under condition of the slag basicity at a specific value or lower. SOLUTION: The molten iron, lime, decarburizing furnace slag produced in the decarburizing furnace refining at the second and/or the fourth process and iron oxide base flux are charged into a dephosphorizing furnace 1 to execute the dephosphorization. The obtd. low phosphorus iron is shifted to a decarburizing furnace 2 the second process and lime base flux is charged and the decarburization is executed to obtain a low phosphorus steel. The third process: New molten iron is charged into the dephosphorizing furnace 1 and the low phosphorus iron slag produce at the first process and the flux consisting essentially of a lime base dephosphorizing agent are charged to execute the dephosphrization under condition of the basicity <=2. The produced slag can be utilized as a roadbed material, etc.  The fourth process: The ordinary phosphorus iron obtd. at the previous process is shifted to the decarburizing furnace 2 and decarburized by charging the lime base flux to obtain the ordinary phosphorus steel.
Patent JP-S52121192-A (JP)
Title: Confluence or crossing control
Inventor: UCHIDA RIYOUHEI
IPC: B65G43/00
Filed: 1976-04-02
Abstract: PURPOSE: To prevent vehicles like dual-mode bus etc. running on the track for their excluse use from colliding with each other at a confluence or crossing point. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S53123856-A (JP)
Title: Extra high voltage power interruptor
Inventor: NAKANO SEIZOU
IPC: H01H9/56
Filed: 1977-04-04
Abstract: PURPOSE: To suppress throw-in surge thus to reduce size of interruptor and to improve reliability, by detecting whether it is single throw-in or reclosing throw-in and considering throw-in condition when determining required time on the basis of any one of them. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H07280959-A (JP)
Title: Clock having drawer
Inventor: SAIYAMA KENICHI
IPC: G04B47/02
Filed: 1994-02-09
Abstract: PURPOSE:To obtain a clock having a drawer capable of easily and smoothly performing the drawing or pushing operation of it by constituting the drawer able to be moved in the vertical direction in a case equipped with the clock. CONSTITUTION:A drawer 2 is inserted in the rear section of a case 1 equipped with a clock so that the drawer 2 can be moved in the vertical direction and a spring 3 is extended between a stop of the case 1 and a bottom of the drawer 2 so as to pull the drawer upward. A speed-reduction device 4 that reduced the lifting speed of the drawer and an intermittent fixing device 5 are provided between the case 1 and drawer 2. The drawer 2 is disposed among the case 1, a housing section 6 and a rear cover 12 and is pulled upward by means of a projection projected to the outside from the bottom end section and the spring 3 hooked to a suspending section 9 on a top section of the case 1 and can be slidably moved in the vertical direction along guide rails 8, 8 of the case 1. The device 4 reduces the lifting speed of the drawer 2 projected by the elastic force of the spring 3 and the device 5 stops the drawer to the case 1 against the repulsion power of the spring 3.
Patent JP-H04257104-A (JP)
Title: Wide band amplifier
Inventor: NAGANO JUNICHI
IPC: H03F3/60
Filed: 1991-02-08
Abstract: PURPOSE:To efficiently amplify a high frequency signal by connecting an active element, which changes the matching characteristic in accordance with an input high frequency, to an input matching circuit and an output matching circuit connected to an amplifying element. CONSTITUTION:A varactor diode 4 is connected to an input matching circuit 2 through a micro strip line and a DC cut capacitor C5. Therefore, the capacity value of the diode 4 is continuously changed by a DC voltage V1, applied through a resistance R1 and a high frequency choke coil RFC3. As the result, the matching characteristic of the circuit 2 can be controlled by the DC voltage V1, and the circuit 2 shows the optimum matching characteristic in accordance with the frequency of the inputted high frequency signal. In the same manner, an output matching circuit 3 shows the optimum matching characteristic in accordance with the frequency of the outputted high frequency signal by setting a DC voltage V2. Thus, the inputted high frequency signal is efficiently amplified.
Patent JP-H02216883-A (JP)
Title: Semiconductor laser element and manufacture thereof
Inventor: HOSOBANE HIROYUKI
IPC: H01S5/00
Filed: 1989-02-16
Abstract: PURPOSE:To obtain a semiconductor laser element which can produce a high output of a laser light and stably oscillate for a long period of time by providing a plurality of sub stripe grooves on a base layer of each side of a stripelike oscillation region of an active layer, thereby extremely reducing in thickness the active layer of the oscillation region with satisfactory crystallinity. CONSTITUTION:A P-type GaAlAs clad layer 23 is laminated on a current blocking layer 12 of each window region 20a and a laser exciting region 20b, the layer 23 is formed in a recess state on an upper face above sub stripe grooves 22a and 22b, and the other part is flat. A P-type GaAlAs active layer 24 is laminated on the layer 23, and the layer 24 is also bent in a recess on an upper face above the sub stripe grooves 22a and 22b. An N-type GaAlAs clad layer 25 is laminated on the layer 24, the laminated layer 24 becomes flat on its upper face, thereby easily manufacturing the thinned active layer having satisfactory crystallinity. Therefore, a laser light can be stably oscillated with high output.
Patent JP-H07247068-A (JP)
Title: Elevator landing position indicator
Inventor: SUGAWARA MASAMI
IPC: B66B3/00
Filed: 1994-03-09
Abstract: PURPOSE:To enable fitting from an inspection port without making landing doors high by fitting a two-piece indicator divided into a display box for enclosing a display part, and an illuminating box for enclosing a lamp. CONSTITUTION:A display part 4 is fixed by stud screws 18 welded to the hole 16 of a display box 8B. This display box 8B is put obliquely from an inspection port and fixed into the hole 3 of a modesty panel 2. On the other hand, a lamp 7 and a socket 20 are fixed to an illuminating box 8C to form the illuminating box 8C. This illuminating box 8C is put obliquely from the inspection port 11, and disposed at the display box 8B in the series-connected state to the modesty panel 2 and fixed by screws 13 to form an arrival prediction lamp. Fitting can be therefore performed from the inspection port 11 without making landing doors 14 high, and the maintenance-inspection of a display device can be also facilitated.
Patent JP-2000237544-A (JP)
Title: Oxidation treatment of waste gas by solid-gas-solid catalytic reaction
Inventor: NODA MASARU
IPC: B01J23/10
Filed: 1999-02-17
Abstract: PROBLEM TO BE SOLVED: To provide an oxidation method of the waste gas, particularly waste gas containing soot, using a system generating a gas phase hydroxyl radical from moisture and oxygen on the surface of a catalyst. SOLUTION: The waste gas is treated with a nascent hydroxyl radical by bringing the waste gas in which moisture and oxygen coexist into contact with the catalyst selected from the group consisting of an alkaline earth metal oxide based catalyst, a lanthanoide oxide based catalyst and the catalyst obtained by doping an alkali metal to these catalysts and their mixed catalyst at 600-1,200 deg.C to form the gas phase hydroxyl radical from the moisture and the oxygen at the surface of the catalyst and oxidizing the matter to be removed and to be oxidized in the waste gas with the gas phase hydroxyl radical.
Patent JP-S62197678-A (JP)
Title: Lubrication device for compressor of refrigerator
Inventor: SAITO SHOZO
IPC: F04D29/06
Filed: 1986-02-25
Abstract: PURPOSE:To prevent defective lubrication of respective compressors, a loss of lubricating oil and contamination of refrigerant, by connecting spaces on the gas sides of lubricating oil chambers with an inlet side of a compressor with the minimum inlet pressure for minimizing the amount of lubricating oil solved into the refrigerant. CONSTITUTION:The entire device comprises respective compressors 8, 9 for low pressure and high pressure, respective motors 10, 11 and respective oil chambers 12, 13 for accommodating speed increasing gears 14, 15 serving also as an speed increasing chamber. In this case, spaces on the gas side of the respective oil chambers 12, 13 are connected by communicating pipes 20, 21 having switching valves 22, 23 disposed at the side of an inlet port 16 of the low pressure compressor 8. Further, the respective oil chamber 12, 13 have liquid sides connected by a communicating passage 24 provided with a switching valve 25. With such an arrangement, the oil chambers in the compressors have a pressure identical with the lowest pressure in a system, the minimum amount of refrigerant is solved into lubricating oil and the refrigerant already solved can be removed, whereby defective lubrication, a loss of the lubricating oil and contamination of the refrigerant can be prevented.
Patent JP-S56137092-A (JP)
Title: Heat exchanger
Inventor: ENDOU YASUHIKO
IPC: F28D21/00
Filed: 1980-03-27
Abstract: PURPOSE: To obtain an axial flow type heat exchanger which can heat-exchange high temperature waste gas exhausted from a steel manufacturing furnace and the like at a high efficiency by a method wherein a main body is composed of a main heat exchanging block of extrusion molding ceramics and two ceramic divided blocks which are connected with its passages and divide the fluid.  
     CONSTITUTION: The main heat exchanging block 3 with many fluid passages 6, 7 is molded out of ceramic plastic mixture by means of honeycomb extrusion molding. Divided blocks 4, 5 havig dividing passages 16, 17 connected through a joint surface with fluid passages 6, 7 of the main heat exchanging block 3 are molded out of ceramic. Block 3 and block 4, 5 are connected so that passages 6, 7 and passages 16, 17 of these blocks 3, 4, 5 are communicated with each other. Thus, since the main block 3 having many through passages 6, 7 can be extrusion-molded and dividing blocks suitable for the purpose can be molded simply, the axial flow type heat exchanger capable of using waste gas of high temperature can be obtained easily. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H04279474-A (JP)
Title: Freshness maintaining transport container for edible asparagus
Inventor: IKEZOE ARITOMO
IPC: B65D85/50
Filed: 1991-03-05
Abstract: PURPOSE:To provide a container which can transport edible asparagus while maintaining its freshness. CONSTITUTION:A container is provided with a water-absorbing, water-retaining covering impregnated with a dilute aqueous solution of saccharides placed on its bottom part 2. It is more effective in maintaining the freshness of asparagus to make fumugating holes in the side wall of the container at the places higher than the tip of the edible asparagus 3 placed therein in a standing position with its tip end up. It is even more effective to additionally use denaturation preventing film, ethylene absorbing film and/or denaturation preventing container.
Patent JP-H02263782-A (JP)
Title: Preparation of ceramic-metal multi-layered constituting body
Inventor: FUREDERITSUKU ROMAN
IPC: C04B41/81
Filed: 1990-02-21
Abstract: PURPOSE: To easily obtain a high-performance ceramic-metal multilayer component at a relatively low cost by stacking and molding the metallization of band-like ceramics, then cofiring the same in a specific mediating gaseous atmosphere contg. steam.  
     CONSTITUTION: The production of the ceramic-metal multilayer component by molding the precut band-like ceramics by metallization and stacking, then cofiring the ceramics under the mediating gas formed of hydrogen, nitrogen or a mixture composed of the hydrogen and the nitrogen is executed in the following manner: namely, sufficient additional oxygen and if necessary, additional hydrogen are added by a catalytic reaction of oxygen and hydrogen to the mediating gas and the quantities of the additional oxygen and hydrogen are so determined that the content of the steam described above fits best to the various steps of cofiring during the cofiring. 
     COPYRIGHT: (C)1990,JPO
Patent JP-S59164750-A (JP)
Title: Preparation of hydroxyphenylacetic acid and its ester
Inventor: OOGAKI WAICHIROU
IPC: B01J27/00
Filed: 1983-03-09
Abstract: PURPOSE:To improve the yield of the oxidation reaction of phenylacetic acid with hydrogen peroxide in the presence of an iron compound to produce the titled compound useful as an intermediate of pharmaceuticals and agricultural chemicals, by carrying out the oxidation reaction in the presence of a substituted catechol. CONSTITUTION:Phenylacetic acid or a phenylacetic acid ester is oxidized with hydrogen peroxide in the presence of an iron compound. In the above process, a substituted catechol is added to the reaction system to obtain the objective compound in high yield. The iron compound used as a catalyst is a bivalent and/or trivalent inorganic salt such as sulfate or an organic acid salt such as acetate, and its amount is preferably 0.02-0.2mol per 1mol of the charged phenylacetic acid. The substituted catechol is preferably 4-nitrocatechol; 4,5- dihydroxybenzene-1,3-disulfonic acid disodium salt, and its amount is preferably less than equimolar amount to the iron compound.
Patent JP-2000238377-A (JP)
Title: Cassette information monitor
Inventor: SUZUKI TAKETO
IPC: B41J29/38
Filed: 1999-02-17
Abstract: PROBLEM TO BE SOLVED: To replace a cassette without causing a jam when cassette information is acquired or a medium is supplied using a cassette control circuit. SOLUTION: A master CPU 1 checks output from a cassette sensor in cassette stage 7-1,..., 7-n with no intermediary of a cassette control circuit 6. The master CPU 1 updates the cassette information in a memory 4 to indicate unsetting of cassette for a cassette stage 7 changing from 'presence of cassette' to 'absence of cassette' and urges to acquire cassette information by a slave CPU 2 using the cassette control circuit 6 for a cassette stage 7 changing from 'absence of cassette' to 'presence of cassette'.
Patent JP-H06251148-A (JP)
Title: Outline extracting method
Inventor: SUZUKI SATOSHI
IPC: G06T7/60
Filed: 1993-02-26
Abstract: PURPOSE:To provide an outline extracting method by which an appropriate outline scarcely having a shape distortion can be obtained without giving an initial position of a dynamic outline by a person. CONSTITUTION:First of all, an image 6 is divided into areas by a feature of each picture element (step 1). Subsequently, from in the areas obtained in the step 1, the area in which a feature of an object appears best is selected (step 2). Next, a boundary of the area selected in the step 2 is pursued, and a nodal point of a dynamic outline is placed (step 3). Next, the nodal point of the dynamic outline is changed so that the sum total of spline energy in each nodal point and energy obtained from the image becomes minimum, and the dynamic outline is widened (step 4). In the end, the nodal point of the dynamic outline is changed so that the sum total of energy determined by information obtained from the image and edge energy becomes minimum, and the dynamic outline is contracted so that the dynamic outline does not go beyond the edge (step 5). In such a way, a final outline 7 is obtained.
Patent JP-S54132065-A (JP)
Title: Lock-up clutch piston of lock-up torque converter
Inventor: HARUHARA YOSHIO
IPC: F16H45/02
Filed: 1978-04-04
Abstract: PURPOSE: To prevent the deformation in lock-up state by forming a flange part bent in the axial direction outside a clutch facing.  
     CONSTITUTION: A lock-up piston 26 has a cylindrical wall 26a formed at a center through press-forming of a single plate, and a flange part 26b is formed by bending, to the turbine runner side, the outer peripheral edge part outside the clutch facing 27 mounted on the plate part 26c otside a piston 26. An inclined part 26d is formed inside the clutch facing 27, and said inclined part is connected to the inside plae part 26c to form the clutch piston 26. On the free edge of a connecting element 30, a plurality of projections 30a are formed which elongate in the axial direction. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S63207372-A (JP)
Title: Production of packaged electrically conductively processed food
Inventor: MIYAHARA KINGO
IPC: A23L3/00
Filed: 1987-02-21
Abstract: PURPOSE:To carry out electrically conductive treatment without causing an unsanitary condition, by bringing a pair of electrode plates through a water vapor permeable film to a food ingredient such as meat, ground meat, etc., making the water vapor permeable film into a wet state, applying electric voltage to both the electrode plates and sending an electric current to the food ingredient. CONSTITUTION:An electrode 103 is inserted into the bottom of an electrical insulating, cylindrical frame 101 having an open top and bottom. A water vapor permeable film 102 is pushed in an unfolded state into the dent part and a food ingredient A such as meat, ground fish, etc., is packed in the dent part. Then the film 102 in contact with the bottom electrode plate 103 is made into a wet state by water vapor permeating action and a top electrode plate 105 is pushed against the top of the food ingredient A directly through a water vapor permeable film 108. Electric voltage is applied between both the electrode plates 103 and 105 and an electric current is sent to the good ingredient A.
Patent JP-H03241758-A (JP)
Title: Evaluation of semiconductor substrate
Inventor: YANO HITOSHI
IPC: H01L21/66
Filed: 1990-02-19
Abstract: PURPOSE:To enable evaluating a semiconductor substrate satisfactorily by controlling the quasi-Fermi level of holes by means of hole injection through applying light having an energy larger than the forbidden band width energy of a substrate semiconductor to the surface of the substrate. CONSTITUTION:An electrode 6 for evaluation is provided on the rear of a substrate 1 and light having an energy larger than the forbidden band width energy of a substrate semiconductor is applied to the surface of the substrate 1 to control the quasi-Fermi level of holes by hole injection or to control the quasi- Fermi level of electrons by electron injection for the purpose of controlling the potential distribution in the semi-insulating substrate 1. Then, the relation line of MESFET drain current and potential of the electrode for evaluation is obtained and the density of a shallow impurity level in the semi-insulating substrate is obtained from the gradient of the line. Thus, a substrate evaluation combining the density of impurities and electric characteristics of FET concretely is made possible.
Patent JP-H11230390-A (JP)
Title: Check valve and seating valve
Inventor: MIYAJIMA MASAYASU
IPC: F16K15/04
Filed: 1998-02-20
Abstract: PROBLEM TO BE SOLVED: To provide a check valve and a seating valve having little deformation of a seat, and a satisfactory sealability. SOLUTION: This check valve is composed of an accommodation space 36 formed in a fluid passage 8; a body 41a formed with a passage hole 41b along the center axis; a head part 41c raised in a one side end face of the body 41a along the outer periphery of the passage hole 41b and formed with a seat 41d at the end part; a seating valve 41 arranged with one end face on the opposite side of the head part 41c allowed to abut to the bottom surface 25a of a recess 25; a valve element 32 having a seat surface abutting to the seat 41d; an elastic member 33 compressedly accommodated an accommodation space 36 and urging the valve element 32 in the direction of the seat 41d; and a fixing member 31 for fixing the seating valve 41 to the bottom of the recess 25 by applying a load to a shoulder part of the body 41a in the direction of the center axis.  With this arrangement, a thin wall part 41g is formed between a loading point of the shoulder part 41e and the seat 41d.
Patent JP-H10237626-A (JP)
Title: Chrome-containing metallic member coated with electroconductive sialon coating and its production
Inventor: HIJIKATA KENICHI
IPC: C23C28/04
Filed: 1997-02-24
Abstract: PROBLEM TO BE SOLVED: To obtain a Cr-contg. metallic member uniformly coated with sialon coating having electroconductivity with high adhesive strength regardless of the shape and size of the Cr-contg. metallic member. SOLUTION: A substrate 10 composed of Cr-contg. metal is subjected to heat treatment at 500 to 600 deg.C in an atmosphere under low oxygen partial pressure to form Cr oxidized coating film 11 on the surface of the substrate, thereafter, the substrate and a target composed of sialon are arranged at positions not opposing each other, and sputtering is executed by a gas composed of Ar only, by which the Cr-contg. metallic member coated with electroconductive sialon coating 12 via the Cr coating film on the surface of the substrate can be obtd.
Patent JP-S61198456-A (JP)
Title: Optical pickup
Inventor: ENDO KIYONOBU
IPC: G11B11/10
Filed: 1985-02-28
Abstract: PURPOSE:To attain compact constitution and to simplify optical adjustment by constituting an optical pickup of a means for dividing a luminous flux into two and leading them to difference components of a photodetector and a means for detecting differentially an information signal from output of each component of the photodetector. CONSTITUTION:The luminous flux irradiated from an LD 15 is collimated by a collimator lens 16, reflected in the 1st beam splitter 17 and focused on a recording medium 19 as a minute spot by an objective lens 18. The reflected luminous flux from the recording medium 19 passes again through the objective lens 18, the direction of polarized plane is rotated by 45 deg. through the 1st beam splitter 17 and a 1/4 wavelength plate 23 and the result is made incident on the 2nd beam splitter 20 and separated into two optical fluxes. The 1st split luminous flux 21 is condensed toward a light sensor 24 by a condenser lens 25. The 2nd split luminous flux 26 is reflected in the reflecting section 27 at the bottom of the beam splitter 20 and condensed on the light sensor 24 by the condenser lens 25. Thus, the optical pickup is constituted compactly and the S/N of the signal detection is improved by differential detection.
Patent JP-S55131846-A (JP)
Title: Communication processor
Inventor: NAKAMURA SHIGERU
IPC: H04L69/14
Filed: 1979-03-30
Abstract: PURPOSE: To improve the operating ratio of a system by securing the protection of received data by detecting the received data being disabled to process in its early stage.  
     CONSTITUTION: This system consists of processor 1, communication processor control circuit 2, and communication circuits 3 1 W3 n , and control circuit 2 of processor coupler 4, communication-processor main control circuit 5 and overload preventing circuit 6. This circuit 6 is equipped with counter 8 counting the number of circuits while control circuit 5 receives data from circuits 3 1 W3 n , reception-processing- allowable-value setting circuit 7 where an allowable value that data from circuits 3 1 W 3 n  can simultaneously be received has been set, and comparing circuit 9 which makes a comparison between values of circuit 7 and counter 8. Then, circuit 9 detects the count value of counter 8 exceeding the allowable value and the detection result of circuit 9 is sent to processor 1 by way of coupler 4 to stop a communication request of more than the allowable value. 
     COPYRIGHT: (C)1980,JPO&Japio