baber/WOPTO huggingface dataset:
Patent JP-H1154025-A (JP)
Title: Cold electron emitting element and its manufacture
Inventor: GAMO SHUSUKE
IPC: G09F9/30
Filed: 1997-08-07
Abstract: PROBLEM TO BE SOLVED: To provide a cold electron emitting element of an electric field radiating type, which can reduce electric current fluctuation to its minimum limit while suppressing a local big current without raising an actuating voltage, and can realize a low cost and a large area easily. SOLUTION: On a base board 1 of this element, a semiconductor thin film layer 2, an insulating layer 3 and a gate electrode 4 are laminated in order, and an emitter 5 is made in an opening part A provided in the gate electrode 4 and the insulating layer 3 so as not touch the gate 4. In this case, a T F T structure, which has the emitter 5 as a drain, a first conductive layer 6 as a source and the semiconductor thin film between them as a channel, is made, by using non-single crystal silicon for the emitter 5 and forming the first conductive layer 6 so as not to touch the emitter 5 on the same plane on the semiconductor thin film layer 2.
Patent JP-H1122590-A (JP)
Title: Injection system
Inventor: OFNER HERWIG
IPC: F02M61/16
Filed: 1997-08-08
Abstract: PROBLEM TO BE SOLVED: To certainly avoid fuel outflow and the cavitation or bubble forming at a injection nozzle part, by providing a control tube selectively connected to an injection nozzle and by supplying fuel with pressure higher than fuel supply pressure. SOLUTION: By operating a fuel low-pressure pump 2, fuel in a fuel tank 1 is fed into a fuel supply pipe 3, fuel pressure in this pipe 3 is maintained about 10 bar pressure by a pressure restriction valve 4. The fuel is fed into a fuel high-pressure pipe 7 at about 200 bar pressure by a fuel high-pressure pump 6, and a pressure restriction valve 8 adjusts fuel pressure into injection pressure. The fuel is injected from an injection nozzle 9 through an injection control valve 10. Furthermore, a fuel medium-pressure pump 11 is connected to a fuel supply tube 3, therefore, fuel is supplied into a fuel control pipe 12 at about 30 bar pressure under control by a pressure restriction valve 13, and is supplied into a return pipe 16 through a pressure restriction valve 14, and a circulatory pipe 15 in which a fuel cooling device 17 is provided.
Patent JP-2000045046-A (JP)
Title: Copper-plated steel sheet for single pipe excellent in grain coarsening resistance, copper infiltration resistance or the like, and its production
Inventor: USUKI SATORU
IPC: C21D8/02
Filed: 1998-07-29
Abstract: PROBLEM TO BE SOLVED: To produce a copper-plate steel sheet excellent in grain coarsening resistance, copper infiltration resistance or the like and used for the production of a single pipe, and to provide a method for producing it. SOLUTION: This copper-plated steel sheet is the one in which copper plating is applied to the surface of a base steel sheet composed of 0.03 to 0.09% C, <=0.1% Si, 0.05 to 0.5% Mn, <=0.020% P, <=0.015% S, 0.02 to 0.08% sol.Al, 0.003 to 0.008% N, 0.0008 to 0.002% B, and the balance substantial Fe. This copper- plated steel sheet is produced by subjecting a slab of steel having the above compsn. to hot rolling, executing cold rolling at a draft of 40 to 90%, thereafter subjecting the cold-rolled steel sheet to annealing treatment in the temp. range from the recrystallization temp. to 900 deg.C in a gaseous mixture of N2-H2 of >=2 vol.% hydrogen concn. and then subjecting this steel sheet to copper plating treatment.
Patent JP-2001042863-A (JP)
Title: Digital data reproducing and recording device and method therefor
Inventor: TERADA YOSHINARI
IPC: G06F21/10
Filed: 1999-07-28
Abstract: PROBLEM TO BE SOLVED: To make the use of digital data contents finite by making deliberately act an automatic slight deterioration every time when the data are used. SOLUTION: In this digital data reproducing and recording system SY, original digital data such as music, sound or picture are down-loaded into a personal computer PC through a communication network 12 from the database of a server computer 13 and are stored in a data storage means OM. The digital data are reproduced into sound and video through a reproducing means RG, re-recorded in the means OM or recorded in another recording means AM. A control mean CN automatically degrades the data contents slightly at random interval accordance with a reproducing/recording processing program every time when the stored digital data are reproduced and recorded.
Patent JP-S59105314-A (JP)
Title: Liquid phase epitaxial growth method and jig used for said method
Inventor: NAKAMURA SOUICHIROU
IPC: H01L21/208
Filed: 1982-12-08
Abstract: PURPOSE:To accelerate the growth of a uniform epitaxial layer while removing voids from different surfaces, and to prevent the generation of point defects by pressing a solution being in contact with a wafer and generating uniform contact pressure extending over the whole wafer region. CONSTITUTION:H2 gas is fed in from a supply pipe 10 set up to a reaction pipe 2, and kept at the pressure of 1.0-1.1kg/cm<2>. The wafer 3 consisting of a GaAs thin board as a material to be treated is entered and held in the indentation of an upper surface in a lower boat 4, the other end of a load bar 12 made of quartz, one end thereof is projected from a cap 9, is fixed at one end in an upper boat 6, and the upper boat slides on the lower boat 4 by a forward or backward movement. Three solution reservoirs 13 are formed along the direction of sliding, the solution reservoir 13 is penetrated vertically, a raw material for forming an epitaxial layer is entered, and the solution reservoir is in contact with the upper surface of the wafer 3 by the sliding of the upper boat 6. Independent weights 7 are inserted into each solution reservoir 13 while one connected weight 8 is placed on several independent weight 7, and each solution 5 is pressed uniformly, has large melting pressure and is in contact uniformly with the whole wafer region.
Patent JP-S6191952-A (JP)
Title: Integrated circuit socket
Inventor: AKAHA FUMIAKI
IPC: H01R33/76
Filed: 1984-10-12
Abstract: PURPOSE:To obtain a homogenous IC socket of high dimensional accuracy by a method wherein the retaining frame of the IC socket and a contact member are formed in one body, and the pouring gate of molding of the contact member is arranged at the tip of the contact member. CONSTITUTION:The contact pin 2 to be molded by conductive resin is molded in the other metal mold after a retaining frame 1 is molded. However, as a pouring gate 3 is arranged at the end face, the metal filler in the resin material, with which the contact pin 2 is molded, is oriented in the longitudinal direction of the contact pin 2, thereby enabling to suppress the electric resistance between the pouring gate 3 and a notched part 4 to a low value. The notched part 4 and an IC pin 6 are fitted together and fixed, and they are electrically connected. Also, as the pouring gate 3 is connected to a circuit substrate using solder 8, the IC pin 6 is electrically conducted to a circuit substrate 7.
Patent JP-H07166960-A (JP)
Title: Composite rotor blade of gas-turbine engine
Inventor: JIYON JIYOSEFU SHIOKAJIYORO
IPC: F02C3/04
Filed: 1994-09-08
Abstract: PURPOSE: To provide a hybrid rotor blade of a gas turbine engine which can increase fuel consumption rate without modifying an existing design. CONSTITUTION: This hybrid rotor blade 20 for a gas turbine engine includes an airfoil 24 and a dovetail 38 integrally joined thereto. The airfoil 24 includes an inner portion 24a disposed adjacent to the dovetail 38 to form a structural transition, and an outer portion 24b disposed above the inner portion 24a for effecting a pressure rise in airflow passing through the outer portion 24b. A nosepiece 40 is disposed adjacent to the leading edge 26 of the airfoil inner portion 24a, and a tailpiece 42 is disposed adjacent to the trailing edge 28 of the airfoil inner portion 24a. The nosepiece 40, the tailpiece 42, and the airfoil inner portion 24a are collectively aerodynamically configured for effecting a pressure rise in the airflow passing therethrough.
Patent JP-2000045411-A (JP)
Title: Termite-preventive structure under building floor and execution method thereof
Inventor: ARAGAKI MORINOBU
IPC: E02D27/01
Filed: 1998-07-29
Abstract: PROBLEM TO BE SOLVED: To prevent white ants from invading under a floor, and facilitate maintenance. SOLUTION: An earth floor slab 3 which consists of ferroconcrete is integratedly formed with a footing beam 12 on the crest of the footing beam 12 of a foundation which consists of ferroconcrete by connecting its reinforcing bar arrangements 3R with the reinforcing bar arrangements 1R of the footing beam 12 and using the crest of the footing beam 12 as a construction joint surface. Moreover, an footing beam penetration pipe 43 whose connecting parts 43a for a joint having an equal length to the width of the footing beam 12 and are provided on its both pipe ends is buried and fixed in the footing beam 12, and a real pipe 4A for guiding the transportation of water supply and drainage, gas, and other fluids or cables for electric wiring is extended by connecting to the both pipe ends.
Patent JP-H1162114-A (JP)
Title: Molded tile roof for eaves
Inventor: SAITO MINORU
IPC: E04D1/30
Filed: 1997-08-08
Abstract: PROBLEM TO BE SOLVED: To prevent dead leaves from coming into the gutter, and also prevent the gutter from being broken by loads of snow by folding the tip of a corrugated board comprising a plurality of peak portions and valley portions with a predetermined large radius in eaves tiles, and providing a hydrophilic layer on the surface. SOLUTION: A eaves tile A is formed by utilizing metal plates such as aluminum, copper, stainless, and clad steel, resin plates such as FRP, and clay baked articles and the like such as Japanese tiles, and molding them into corrugation by press, extrusion, or the like processes; then the tip thereof is folded downward for forming an eaves tile A. Upon forming the eaves tile A, the inside bending radius is made 60 mm or more, and a hydrophilic paint or hydrophilic film is spread over the surface in order to hasten a flow speed of rain water. Also, crank-shape joint pieces are set on the upper end of the eaves tile 1 so that nailing to the roof ground and joining to the upper tiles are made excellent. Accordingly only rain water comes in the eaves gutter G, and drainage of the eaves gutter G never clogs by refuse and so forth.  As such, breakage of the eaves gutter G caused by falling snow S can be prevented.
Patent JP-S59103404-A (JP)
Title: Magnetic resonator
Inventor: MURAKAMI YOSHIKAZU
IPC: G01N24/00
Filed: 1982-12-06
Abstract: PURPOSE:To obtain a magnetic resonator with mass-productivity and without spurious response due to the impression of vertical magnetic field by forming a ferrimagnetic substance layer on one major plane of a substrate with a prescribed pattern and making the thickness of the inside region thinner than that of the outer side region. CONSTITUTION:A gadolinium.gallium.garnet substrate 1 or the like is used, a YIG thin film is formed by gas-phase epitaxial growth, a ferrimagnetic substance layer is formed by the photolithography technology, and a recessed part 2 is prolonged to a position at which the excitation of the magnetostatic mode being the spurious radiation is suppressed sufficiently. Preferably, the recessed part 2 is prolonged to a position where the amplitude of the main resonance mode is zero, for example, a position being 0.75-0.85 time the diameter when the ferrimagnetic substance layer 2 is formed as a circle.
Patent JP-S60105947-A (JP)
Title: Infrared gas analyzer
Inventor: SUKIGARA KUNIO
IPC: G01N21/3504
Filed: 1983-11-15
Abstract: PURPOSE:To enable a fast response by running a measuring gas between a cylindrical outer box with a separate gas inlet and outlet having an infrared ray transmission window on both sides thereof and a cylindrical filter with a heater coaxial with the inner surface thereof. CONSTITUTION:In an outer box 34 having infrared ray transmission windows 30 and 31 on both sides thereof, a cylindrical gas filter 33 coaxial with the inner surface thereof is mounted removably to make up a measuring cell section. A diffusion space 32 is provided between the box 34 and the filter 33 while the filter 33 is made heatable up to a specified temperature with a heater 37 and the box 34 is provided with a measuring gas introduction port 15 and discharge port 16 facing each other. Thus, the measuring gas can be run along the circumference of the filter 33 and heated thereby enabling effective removal of dust while preventing dew formation of water.
Patent JP-H0762545-A (JP)
Title: Wiring board and its production
Inventor: MAEDA SHIGEO
IPC: H05K3/14
Filed: 1993-08-30
Abstract: PURPOSE:To provide the wiring board constituted by forming wiring pattern layers consisting of desired conductors on a polymer base material and to provide the method for producing the wiring board formed with the desired conductor layers with less thermal damage by enabling the film formation by a photo- CVD method and more particularly laser CVD method on the polymer base material as well. CONSTITUTION:This wiring board consists of the layer 2 consisting of a metal (palladium, etc.) with which film formation by a photochemical vapor deposition method is possible on the polymer disposed on the polymer substrate 1 and the conductor (nickel, etc.) layer 3 which is laminatable by plating thereon and is disposed on this layer. This process for producing such wiring board comprises forming substrate patterns consisting of a metal for substrate, such as palladium, on the polymer base material by the laser CVD method and depositing the metal having desired characteristics on the substrate patterns by an electroless plating method, thereby forming the wiring patterns.
Patent JP-S59106744-A (JP)
Title: Method and device for installing eccentric body in planetary gear mechanism
Inventor: MINEGISHI SEIJI
IPC: F16H57/12
Filed: 1982-12-07
Abstract: PURPOSE:To remove angular backlash and facilitate the manufacture and assembling work by constructing an eccentric body in a devided form and installing the devided bodies on a mounting shaft being relatively rotated to each other. CONSTITUTION:An eccentric body is divided into the first eccentric body 13 and the second eccentric body 14, and the first eccentric body 13 is fixed to an input shaft 15 with a key 16. When assembling, first, the first eccentric body 13 is fixed to the input shaft 15 with the key 16. Then, the input shaft 15 is rotated in the direction of normal rotation to the point where there is no play or looseness. Next, the second eccentric body 14 is rotated in the direction of reverse rotation using a taper key 17, and is stopped where there is no play or looseness. Then the taper key 17 is positioned and fixed through a retaining nut 18. And, due to this procedure, the angular backlash is reduced to zero, enabling the transmission of power without play in either direction.
Patent JP-H0764786-A (JP)
Title: Method for controlling program using contract and system for realizing the method
Inventor: FUKUI TOSHIYUKI
IPC: G06Q10/00
Filed: 1993-08-30
Abstract: PURPOSE:To confirm that a user does not make an unfair practice by an means of a licensor by storing the using situation of a program as data, ciphering the piece of data, decoding the cipher by the licensor and analyzing stored data. CONSTITUTION:The user 20 executes a special command(Scm) provided by the licensor 10 to the program. This Scm ciphers a log file concerning the using of the program and the contents of a file similar to the log file (data file including necessary items such as the ID number of the program, the name of a computer installing the 10 number, for example) so as to generate a specified cipher code C2. Then, the user 20 sends the cipher code C2 to the licensor 10 and the licensor receiving it decodes and explains it to confirm whether the user 20 surely and properly maintains the contents of the program or not.
Patent JP-H03139105-A (JP)
Title: Motor car drive unit
Inventor: SHIBATA AKIRA
IPC: B60L3/00
Filed: 1989-08-21
Abstract: PURPOSE:To prevent temperature rise over an allowable limit by inserting a constant voltage section between the output of a temperature detecting section and the input of a temperature protective section and operating the temperature protective section based on the differential voltage between the output voltage from the temperature detecting section and the voltage at the constant voltage section. CONSTITUTION:A temperature detecting section 3 detects temperature rise at a motor driving section 16 due to the driving current and produces an output Va corresponding to the temperature rise, and then a differential voltage between the output voltage Va and a constant voltage VZ determined at a constant voltage section 22 is outputted. A temperature protective section 4 receives a detection signal Vb from the temperature detecting section 3 and produces an output Vc corresponding to the difference between the magnitude of the detection signal Vb and a predetermined level VR thus lowering the accelerator voltage VACC to that voltage level.
Patent JP-S6370113-A (JP)
Title: Automatic leveling apparatus
Inventor: ISHIKAWA YUZURU
IPC: G01C15/00
Filed: 1986-09-11
Abstract: PURPOSE:To always display a real horizontal surface, by employing a simple suspension structure for freely suspending a reflecting member for deflecting luminous flux by 180 deg. merely in a vertical direction. CONSTITUTION:The roof prism 3 suspended by a suspension member 2 is arranged to a machine main body 1 and the oblique surface of a right-angled prism 6 is adhered to the roof prism 3 across the reflecting surface of a membrane having a characteristic permitting the transmission of infrared reflecting visible light. A visible light source 4A is arranged below the roof prism 3, and an infrared ray source 4 and a projection lens 5 are arranged above said roof prism 3 and, further, a pentagonal prism 7 is arranged above the projection lens 5. By this constitution, even when the machine main body 1 is inclined, the infrared luminous flux emitted from the projection lens 5 is always upwardly turned in a vertical direction by presetting a suspension length to a predetermined one. Therefore, the luminous flux emitted from the pentagonal prism 7 always displays a true horizontal surface.
Patent JP-S6370906-A (JP)
Title: Magnetic head core and its manufacture
Inventor: ISHIDA HITOSHI
IPC: G11B5/127
Filed: 1986-09-11
Abstract: PURPOSE:To suppress the occurrence of bubbles in the vicinity of a gap and to improve the magnetic characteristic by providing a corrosion preventive film at the joined face of the glass filled in track width regulating grooves and a metal magnetic film so that the corrosion of the metal magnetic film caused by the glass is prevented by the said corrosion preventive film between the two. CONSTITUTION:In the butted face of a half core block 11 in which a magnetic metal film 14 is stuck to a thin film sticking groove 13, a track width regulating groove 15 neighboring the groove 13 is formed. Then, the corrosion preventive film 20 is formed so that it fully covers the groove 13 and the groove 15. Melted glass 16 is filled in the said grooves 13 and 16 coated with the corrosion preventive film, thereafter, the butting faces are ground to expose the end faces of the magnetic metal film and the corrosion preventive film, and two half core blocks are coupled in a manner that the end faces of each other's metal magnetic films face each other, thereafter thus integrated core block is cut so that each piece incorporates a magnetic gap 12. As a result, the corrosion of the magnetic metal film and the half cores caused by the glass can be prevented, and the occurrence of bubbles at the foremost end face of the magnetic metal film is suppressed, hence the magnetic characteristic is improved.
Patent JP-S60105641-A (JP)
Title: Production of straight-chain unsaturated compound having functional group at both ends
Inventor: TANAKA YASUYUKI
IPC: C07C47/21
Filed: 1983-11-15
Abstract: PURPOSE:To produce a straight-chain unsaturated compound having aldehyde groups at both terminals and useful as perfume, etc., in high efficiency, by partially ozonizing a cyclic trimer of butadiene, and reducively decomposing the obtained ozonide, thereby uniformly and selectively proceeding the reaction. CONSTITUTION:Cyclodecartriene which is a cyclic trimer of butadiene produced from butadiene in high efficiency using a Ziegler catalyst, is ozonized partially (i.e. adding an ozone molecule selectively to one of the trans-double bonds, and then adding ozone molecules to easch cis- and trans-double bond at equal ratio), and the obtained ozonide is subjected to the reducive decomposition keeping the steric structure of the C-C double bond to obtain the objective straight-chain unsaturated compound having aldehyde groups at both terminals. USE:Raw material of perfume and pesticides, intermediate of pharmaceuticals, base of cosmetics, etc.
Patent JP-S6370965-A (JP)
Title: Digital magnetic recording and reproducing device
Inventor: SAMEJIMA TAKASHI
IPC: G11B20/18
Filed: 1986-09-11
Abstract: PURPOSE:To execute an optimum waveform equalization and to prevent intercodes interference and code errors by measuring the half band width of a solitary wave obtained by reproducing a test signal and adjusting an equivalent characteristic of an equalizer based on the measured width. CONSTITUTION:If a head 12 reads the test signal STE before an audio PCM signal, the solitary wave QS occurs in a place corresponding to the level change point of the test signal STE. The solitary wave QS is supplied to the input terminal (+) of a comparator 26, where a pulse PSi of a TTL level having the pulse width of the half band width W50 of each solitary wave QSi can be obtained. A counter 38 counts clock signals SCK only in the continuous period W50, and if the period W50 passes, a discrete value CWi, namely, the half band width is given to an arithmetic control part 42. Said part 42 operates the mean value of the CWi and decides the recording band or a transmission band of a tape 10 and the head 12, and if it is narrower than a prescribed value, an equivalent control signal CE compensating that part is given to an automatic equalizer 18.
Patent JP-H1157938-A (JP)
Title: Manufacture of mold for precision casting and device for applying slurry
Inventor: HIRATA SHIGERU
IPC: B22C23/02
Filed: 1997-08-08
Abstract: PROBLEM TO BE SOLVED: To manufacture a good mold at high workability by applying binder or water on the surface of a pattern corresponding to a cavity of a metallic mold, executing degassing pre-treatment beforehand, then applying slurry and sticking refractory powder to the slurry, there often removing the pattern. SOLUTION: Molten wax 2 is poured and charged into the cavity 1a in the metallic mold 1, cooled, solidified and taken out, and a columnar shaft consisting of the wax is joined to obtain the wax pattern 3 of a lost wax pattern. This wax pattern 3 is dipped into a degassing preliminary vessel 5 containing the binder 4 or the water beingcomponents of the slurry, and ultrasonic vibration is applied to the vessel at about 20 kHz-1 MHz through an ultrasonic vibrator 8. Thus the wax pattern 3 from which fine gas bubbles on the surface are effectively removed is dipped into a slurry applying vessel 6 to obtain a green wax pattern mold 3'. Successively, the refractory sand 9 of the mold is stuck to the green pattern 3', then the wax pattern 3' is melted and removed to obtain the mold 10 having a hollow part.