baber/WOPTO huggingface dataset:
Patent JP-S5671489-A (JP)
Title: Brushless dc motor
Inventor: YAMAUCHI HIROYUKI
IPC: H02P6/08
Filed: 1979-11-15
Abstract: PURPOSE:To obtain rotary torque having no torque ripple by reading the accurate sine wave information stored in a memory in synchronism with the magnetic field from a rotor magnet and digitally processing it and driving the brushless DC motor. CONSTITUTION:Digital information is read from ROM31, 41 storing accurate sine wave signal digital information sampled at the number of samplings relative to the magnetic field of the rotor magnet and the repetition number per revolution of the rotor of a rotor revolution speed corresponding signal FG from a frequency generator 51 in accordance with the outputs from counters 32, 42 for counting the pulses PFG. The read information through an oscillator 82 servo controlled by a signal FG, a counter 83, digital comparators 84S, 84C, inhibit gates 85S, 85C and flip-flops 81S, 81C is converted into pulse width modulation signals PWS, PWC, and the signals PWS, PWC are inputted through switching circuits 66, 76 in synchronism with the magnetic field signals ES, EC from the hall elements 61, 71 into driving circuits 100, 110 respectively.
Patent JP-2000334487-A (JP)
Title: Pressure regulating device and anaerobic water treating apparatus
Inventor: SUZUKI TETSUSHI
IPC: B01J3/00
Filed: 1999-05-27
Abstract: PROBLEM TO BE SOLVED: To provide a pressure regulating device which is inexpensive and high in reliability from a view point of long term and an anaerobic water treating apparatus equipped with the same. SOLUTION: This pressure regulating device is provided with a first tank 31 which is communicated with the interior of a pressure vessel, a second tank 32 which is communicated with the part to which gas is released and a connecting means 33 which connects the first tank 31 with the second tank 32. When the pressure in a pressure vessel 11 is within a predetermined range, the liquid seal of the pressure vessel and the part to which the gas is released is performed by the liquid introduced into the first tank 31, the second tank 32 and the connecting means 33.  When the pressure in the pressure vesselll exceeds the predetermined range, the liquid seal is released by forcibly feeding the liquid in the first tank 31 into the second tank 32 through the connecting means 33 and, when the pressure in the pressure vessel falls below the predetermined range, the liquid seal is released by forcibly feeding the liquid in the second tank 32 into the first tank 31 through the connecting means 33.
Patent JP-S6127637-A (JP)
Title: Semiconductor wafer drier
Inventor: SHIRAKAWA SHUICHI
IPC: H01L21/304
Filed: 1984-07-17
Abstract: PURPOSE:To provide an efficient drier of semiconductor wafer with larger diameter or fine and deep groove almost vertically formed into the wafer surface by a method wherein a sort of gas with constant pressure mole heat capacity larger than that of air is heated into laminar flow in parallel with a wafer surface to be brought into contact with the wafer. CONSTITUTION:A wafer supporter 6 is inserted into a drying chamber and then heated by hot air of carbon dioxide 15 to evaporate most of the water content adhering to a semiconductor wafer for the first 1min. The carbon dioxide 15 is blown by a Roots type blower 1 to be filtered by a cartridge filters 2 for screening any larger particles. After blowing for 1min, the carbon dioxide is heated by a cartridge heater 3 to finish the heating process within two or 3min. The carbon dioxide 15 may be circulated to repeat wafer heating process without discharging outside. Besides, a carbon dioxide supplying unit 13 is provided since a bit of carbon dioxide 15 is wasted in case the wafer supporter 6 is inserted into or pulled out of the drying chamber.
Patent JP-H076419-A (JP)
Title: Magneto-optical recording medium
Inventor: MIHARA MOTONOBU
IPC: G11B11/105
Filed: 1993-06-18
Abstract: PURPOSE:To increase C/N ratio in a magneto-optical disk having a structure capable of overwriting. CONSTITUTION:This magneto-optical recording medium has a memory layer 21 and a recording layer 14 on the substrate 11. The concn. of Tb in the memory layer 21 has been varied in the thickness direction. The part of the memory layer 21 close 'to the substrate 11 has a compsn. represented by Tb19(Fe90C010)81 and a large angle of Kerr rotation. The part of the memory layer 21 close to the recording layer 14 has a compsn. represented by Tb22(Fe90C010)78 and the exchange coupling force between the recording layer 14 and the memory layer 21 is large.
Patent JP-S6126878-A (JP)
Title: Target indicating device
Inventor: KAKUNO SHIGEO
IPC: G01S7/22
Filed: 1984-07-17
Abstract: PURPOSE:To indicate accurately and speedily a target by receiving a signal from a target and generating a target number, storing it together with the position of the target, and displaying the target number and a target echo on the same screen. CONSTITUTION:A target signal 20 from an external monitor radar 30 is transmitted to a display device 7, which displays the target echo. This target signal 20 is sent to a target number generating device 5, which uses this target signal as a trigger to generate the target number 22 and send it to the display device 7. An operator 32 looks at the display to determine which target should be tracked, and inputs its number on a numeric keyboard device 8. This number is sent to a target position storage device 6, which reads a transmission target position 24 on the basis of the indicated target number 23 and sends it to a target position transmitting device 9. The target position transmitting device 9 transmits the transmission target position 24 to an external tracking radar device.
Patent JP-S5372440-A (JP)
Title: Parabola antenna
Inventor: KATAYAMA KENJI
IPC: H01Q15/16
Filed: 1976-12-08
Abstract: PURPOSE:To enable usage of a simple support stand and reinforced components, by reducing the wind pressure weight.
Patent JP-S6210876-A (JP)
Title: Liquid fuel cell
Inventor: NAKAMURA MASASHI
IPC: H01M8/04
Filed: 1985-07-08
Abstract: PURPOSE:To prevent temperature runaway with simple constitution by operating an auxiliary fuel electrode arranged in an air electrode liquid chamber when temperature in the air electrode chamber exceeds a specified value. CONSTITUTION:The temperature in an air electrode liquid chamber 4 is sensed with a temperature sensor 10, and the signal is sent to a controller 12. When the temperature exceeds a specified value, a switch 11 is turned on by a command from the controller 12, and an auxiliary fuel electrode 6 arranged in the chamber 4 is operated in addition to a main fuel electrode to conduct electrochemical reaction on the fuel electrode. Thereby, methanol diffused from a fuel electrode liquid chamber 3 to the chamber 4 is consumed and methanol concentration is decreased and catalytic combustion on an air electrode 7 is retarded and the temperature in the chamber is decreased. When the temperature is decreased below a specified value, operation of the electrode is stopped by a command from the controller 12, and only the electrode 5 operates. Therefore, temperature runaway can be prevented.
Patent JP-H10292230-A (JP)
Title: Composite tin oxide fiber and homogeneous solution for producing composite tin oxide compound
Inventor: YAMASHITA HIROYA
IPC: C01G19/02
Filed: 1998-05-14
Abstract: PROBLEM TO BE SOLVED: To obtain the subject fiber not causing the breakage and collapse of the fiber even under any humidity atmosphere, capable of being stably formed in a prescribed spun shape and excellent in the mechanical strength by having a specific fiber diameter and including tin oxide and silicon dioxide as main components. SOLUTION: This fiber containing tin oxide and silicon dioxide as main components and having a fiber diameter of 1 μm to 2 mm is obtained by spinning the homogeneous solution of a silicon alkoxide and a tin compound of the formula: SnXa.bH2 O [X is a halogen, OH, SO4 , NO3 , CH3 COO; (a) is 1-4; (b) is 0-6] in an alcohol of the formula: ROH [R is a (substituted) alkyl, a (substituted) alkenyl, a (substituted) aryl] and used for producing a composite tin oxide compound.
Patent JP-S5573397-A (JP)
Title: Cleaning agent
Inventor: ASHIZAWA NAOHITO
IPC: C02F3/34
Filed: 1978-11-30
Abstract: PURPOSE: To clean organic waste liquid for maintaining public enviromental conditions by using a microbe-containing cleaning agent for waste disposal, consisting of two or more of specific, propagated earth microbes added with nucleating agent.  
     CONSTITUTION: Two or more are selected from earth microbes such as ASHICO-D, ASHICO-S, etc. and each is separately cylitivated in liquid cultures to be followed by main cultivation in solid cultures, allowing their growing. Each microbes are mixed and added with nucleating agent such as porous silica sand of about 300 mesh size, pH regulator such as phosphate, carbonate, that is, a buffer, to form a cleaning agent containing microbe mixture for use as waste liquid treatment. When this cleaning agent is used for treating high concentration organic waste liquid from food industry or livestock breeding, the group of microbes quickly from flocs in the waste, decompose organic material and digest it, and digest sludge into carbon dioxide and water. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H0814457-A (JP)
Title: Expansion bellows
Inventor: KIKUCHI KATSUMI
IPC: F16L27/12
Filed: 1994-06-30
Abstract: PURPOSE:To enable a spring constant to decrease in an axial right angle direction of a bellows, in a manner wherein a washer in both end parts of a tension rod is prevented from impeding tilting the tension rod when deformed the bellows. CONSTITUTION:In an expansion bellows 3 formed into an internal pressure balance type used in high pressure piping further to have a tension rod 8 connecting an operating side bellows 4 to a balance side bellows 5, a washer, having semicylindrical two protrusion parts capable of rolling in a tilt direction of the tension rod 8, when deformed the bellows, respectively eccentrically from a hole so as to interpose the tension rod through hole, is provided in a load transmitting surface in both ends of the tension rod 8.
Patent JP-H0313535-A (JP)
Title: Shape memory alloy
Inventor: ISOBE YOSHIHIKO
IPC: C22C5/02
Filed: 1989-06-13
Abstract: PURPOSE:To obtain the Au-base shape memory alloy having excellent decorative function, superelasticity and excellent workability by adding specified amounts of Cu or Cu with Ag as well as Al and Ir to Au. CONSTITUTION:An Au-base alloy such as an Au-Cu-Al alloy or an Au-Cu-Ag-Al alloy having the compsn. contg., by weight, 73 to 77% Au, 21 to 23% Cu (or 11 to 13% Cu, 9 to 11% Ag), 2 to 4% Al, or furthermore contg. about 0.05% Ir is refined. The Au-base shape memory alloy having stable thermoelastic martensite transformation, which is dual oriented and furthermore having superelasticity can be obtd.
Patent JP-H09309867-A (JP)
Title: Production of n-methylol(meth)acrylamide
Inventor: NIWA KIYONOBU
IPC: C07C231/22
Filed: 1996-05-21
Abstract: PROBLEM TO BE SOLVED: To remove a desired amount of a liquid component by integrating a specific concentrating step in a method for reacting (meth)acrylamide with formaldehyde and producing N-methylol(meth)acrylamide. SOLUTION: (Meth)acrylamide is reacted with formaldehyde to provide a solution of N-methylol(meth)acrylamide. A low-moisture gas is then blown thereinto at 10-60 deg.C under atmospheric pressure to concentrate the product solution. The dew point of the low-moisture gas is preferably <=50 deg.C and the oxygen concentration in the low-moisture gas is preferably 1-40vol.%. Any gas may be used as the low-moisture gas when the oxygen concentration is within the range. The low-moisture gas is blown into the solution or near the liquid surface; however, the flow velocity of the low-moisture gas is preferably about 1-120Nm<3> /hr, especially preferably about 30-80Nm<3> /hr based on 1m<3> solution. An aqueous solution or a crystal of N-methylolacryamide stabilized in quality can efficiently be produced even by long-term operation according to the method.
Patent JP-H0941364-A (JP)
Title: Fitting joint structure having high strength and high rigidity
Inventor: IMAFUKU KENICHIRO
IPC: E02D5/20
Filed: 1996-05-21
Abstract: PROBLEM TO BE SOLVED: To provide fitting joint structure having excellent fitting properties, capable of corresponding to the depth of the construction of a continuous wall larger than conventional devices and having high strength and high rigidity in joint structure fitted by a pipy female joint having a slitty opening at one end and a T-shaped male joint. SOLUTION: In joint structure fitted by a pipy female joint 1 having a slitty opening 4 at one end and a T-shaped male joint 7, mean left-right angles θformed to the direction 12 of the axis of tension of the T-shaped male joint of a surface 11 formed by tying the pipe internal-surface front end section 5 of the slitty opening 4 of the female joint 1 and the pawl-section front end section 10 of the male joint 7 facing the slit side of the female joint 1 under the state, in which the female joint 1 and the male joint 7 are fitted, are set at 35 deg. or more. Space 13 between the female joint 1 and the male Joint 7 is filled with inorganic fillers having compressive strength of 150kgf/m<2> or more.
Patent JP-H0442321-A (JP)
Title: Ic card information processing system
Inventor: MURAMATSU MASAO
IPC: G06K19/07
Filed: 1990-06-08
Abstract: PURPOSE:To process the information on various types of IC cards with use of a single type of a card reader/writer by including the protocol data on the IC cards into a host command and controlling the transfer of data between the card reader/writer and the IC cards and a host computer respectively based on the protocol data. CONSTITUTION:The protocol data on an IC card 14 are included in a host command received by a card reader/writer 10 from a host computer 12. Thus the reader/writer 10 controls the transfer of data to the card 14 based on the protocol data. At the same time, the reader/writer 10 controls the transfer of data to the computer 12 based on the data received from the card 14. The data part of the host command is used as it is for the data which are sent to the card 14. Meanwhile the status of the card 14 is added to the data received from the card 14, and this data is sent to the computer 12 as the response data. Thus various services are offered to the users with use of a single reader/ writer 10.
Patent JP-S5481414-A (JP)
Title: Corner seal device for rotary piston engine
Inventor: TAKASUKA SHIYUNZOU
IPC: F01C19/10
Filed: 1977-12-09
Abstract: PURPOSE: To prevent gas leakage by filling a gap section in a corner seal of a rotary piston engine with a compound material consisting of resin and fiber.  
     CONSTITUTION: An Appex seal 1 is provided at the top of a rotor R of a rotary engine, and also a corner seal spring 8 and a corner seal 3 are provided in a corner seal groove 2 for preventing gas leakage. However, there results gas leakage in the direction of arrow A through a gap section 4 of the spring section 8 and a gap section 7 of the corner seal 3 as shown in Fig. a. Accordingly, the gap sections 4 and 7  are filled with fillers 9 and 10 of a composite material consisting of fiber and resin as shown in Fig.b. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H0313953-A (JP)
Title: Electrophotographic sensitive body
Inventor: KAWAHARA TATSURO
IPC: G03G5/06
Filed: 1989-06-12
Abstract: PURPOSE:To enhance sensitivity and durability of a photosensitive body by incorporating a specified disazo compound in it. CONSTITUTION:The photosensitive layer of the photosensitive body contains the disazo compound of formula I in which Cp is a coupler residue, preferably, such as groups of formulae II, III, and the like; X is a hydrocarbon or hetero ring; Y is -CONR<1>R<2> or -CONHN=CR<1>R<2>; and each of R<1> - R<3> is H, a hydrocarbon group, or the like. The photosensitive body can be formed by laminating an electric charge generating layer obtained by dispersing the compound of formula I into a phenoxy resin and a charge transfer layer composed of a preferable hydrazone compound and polycarbonate on the polyester film on which Al is vapor deposited.
Patent JP-H096823-A (JP)
Title: Connection information output device for electric wre for wiring
Inventor: HASEGAWA TAIRA
IPC: G06F17/50
Filed: 1995-06-15
Abstract: PURPOSE: To provide a connection information output device for the electric conductor for wiring which can output an optimum unit for connecting an electric appliances to a main line even when an N-way switch type is included in the connection pattern of the electric appliance. CONSTITUTION: This device is equipped with an input means 10 for inputting information on the room layout of a building, information electric appliances arranged in the respective units in the room layout, information on a connection pattern showing wiring using the electric appliances, an information calculation part 20 which retrieves the unit where an electric appliance in the connection pattern is arranged when the N-way switch type using a two-way switch or three-way switch is included in the connection pattern, calculating the number of adjacent units of each unit in a set of retrieved units, and determines the unit for connecting the electric appliance to the main line based on the unit having the largest calculated number of adjacent units, and an output means 30 which outputs information on the determined unit.
Patent JP-S6128170-A (JP)
Title: Finger print input device
Inventor: ASAI HIROSHI
IPC: G06T7/00
Filed: 1984-07-18
Abstract: PURPOSE:To attain accurate finger print image extraction by moving a prescribed cleaning member on a transparent finger adhering face after a finger is detached to wipe the print out and to clean the finger adhering face thereby eliminating displeasure of the user. CONSTITUTION:A turntable 4 is turned via a controller in response to the detection of finger detachment from a prism 1 via a finger detaching detection section and the cleaning member formed with a dry cloth 9 and a wet cloth 8 damped by a spray unit 6 provided to the table 4 cleans the finger adhering face of the prism 1. As a result, the displeasure of the user is eliminated and accurate finger print image extraction is attained.
Patent JP-H01318059-A (JP)
Title: Film containing liquid crystal dispersed therein and device made by using same
Inventor: FUJII SADAO
IPC: C08L33/06
Filed: 1988-06-16
Abstract: PURPOSE:To obtain the title film which can give easily and inexpensively a liquid crystal device which has a high reliability, a large area and flexibility by dispersing a liquid crystal in a (meth)acrylate polymer to form a spongy structure. CONSTITUTION:At least 60wt.%, desirably at least 70wt.% liquid crystal such as p-ethoxy-p'-n-buthylbenzylideneaniline is dispersed in a polymer component comprising 100wt.% (meth)acrylate polymer, desirably, a copolymer of 2-70wt.% alkyl acrylate with 30-98wt.% alkyl methacrylate or a bilayer structure polymer composed of a crosslinked acrylate elastomer and a (meth)acrylate copolymer and 0-50wt.% amorphous polymer not determined to the transparency of the obtained film to obtain a film containing liquid crystal dispersed therein wherein the liquid crystal extends to at least either surface of the film to give a spongy structure to the polymer, and the liquid crystal may be dispersed in its clearances.
Patent JP-S5272173-A (JP)
Title: Semiconductor device and its production
Inventor: OGAWA AKIRA
IPC: H01L21/31
Filed: 1975-12-12
Abstract: PURPOSE: To improve chemical resistance and obtain a semiconductor device of less leak current by cleaning the surface of an Si substrate, then treating the surface with ethyl alcohol to provide protection thence forming a metastable oxide film on the surface through oxidation with nitric acid. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S5794070-A (JP)
Title: Aqueous newspaper ink
Inventor: PAORO SHIII TSURUUBIANO
IPC: C09D11/14
Filed: 1981-09-22
Abstract: In an improved process for printing newsprint paper with a light-weight keyless printing press system the mineral oil ink standardly used is replaced by an aqueous newsprint ink having a total solids content of about 13-80% and containing about 2-30% of a colorant consisting of a pigment and/or dye, about 3-60% of a dispersed starch, and water to total 100%, wherein the percentages are by weight based on total weight of the ink. The ink may optionally contain a viscosity stabilizer if necessary to prevent retrogradation of the starch or a thickener. In a preferred embodiment the pigment is carbon black and the starch is a dextrin or waxy fluidity starch.
Patent JP-H01315667-A (JP)
Title: Knocking control method
Inventor: AKI TAKAHIRO
IPC: F02P5/152
Filed: 1988-06-16
Abstract: PURPOSE:To prevent abnormal ignition delay by learning the quantity of ignition delay of a knocking control system which varies the ignition timing to be delayed an setting this learned value as an average of both the ignition delay quantity preceeding to the ignition delay and the precedent learned value. CONSTITUTION:A controller 3 of an engine 1 receives the detection signals from a PM sensor S1, a knocking sensor S2, a water temperature sensor S3, an NE sensor S4 and an intake temperature sensor S5 and sends the specified control signals to an ignition plug 2 and an injector 5. When the load state is within the specified knocking control range, the controller varies the delay quantity of an ignition timing according to the occurrence of a knocking and takes a learned value used as an initial value of ignition delay quantity. In this case this learned value is set as the average between the present delay quantity and the precedent learned value. Thus the learned value of the ignition delay quantity may approach to the minimal value of the ignition delay quantity, whereby preventing excessive delay at the time of abnormal knocking.
Patent JP-H05322502-A (JP)
Title: Speed sensor
Inventor: SAKAMOTO SATOSHI
IPC: G02B7/09
Filed: 1992-05-18
Abstract: PURPOSE:To widen the degree of designing freedom and to enhance the output characteristic of an induced voltage in an electromagnetic induction-type speed sensor in the relatively simple construction while nearly eliminating the leakage of a magnetic flux from a magnet or the influences of the external magnetic field. CONSTITUTION:A guide shaft 12 for guiding the moving direction of a moving body 13 holding a movable lens 7 has magnetic permeability and is used as an inner yoke. A movable coil 31 supported by the moving body is set coaxially with the guide shaft. A generally cylindrical outer yoke 24 with a notch 24a extended in the axial direction thereof is so disposed as to enclose the moving range of the movable coil. Magnets 25, 26 magnetized so that the polarities thereof become different in a direction orthogonal to the shaft of the movable coil are arranged at both sides of the moving range of the movable coil in the state in touch with the inner and outer yokes, respectively. Accordingly, the magnetic flux from the magnet passes a magnetic path from a space 27  the guide shaft to the magnet between the outer yokes and the guide shaft.
Patent JP-2000340205-A (JP)
Title: Separator for nonaqueous electrolyte battery and nonaqueous electrolyte battery using same
Inventor: TSUKUDA TAKAHIRO
IPC: D04H1/4382
Filed: 1999-05-28
Abstract: PROBLEM TO BE SOLVED: To provide a highly reliable separator for a nonaqueous electrolyte battery and a nonaqueous electrolyte battery using the same capable of having a small thickness, and a pore size and mechanical strength well-balanced each other. SOLUTION: This separator for a nonaqueous electrolyte battery formed by supporting organic silicon compound includes the organic silicon compound of polyalkylene oxide modified polysiloxane, and fiber for forming the separator is three-dimensionally entangled. The nonaqueous electrolyte battery uses this separator for a nonaqueous electrolyte battery. When the organic silicon compound is polyalkylene oxide modified polysiloxane, it is not separated from the separator for a nonaqueous electrolyte battery and a maximum pore size can be reduced.