baber/WOPTO huggingface dataset:
Patent JP-H0774012-A (JP)
Title: Manufacture of bonded permanent magnet and raw material powder therefor
Inventor: OKITA MASAKAZU
IPC: H01F1/08
Filed: 1993-09-01
Abstract: PURPOSE:To improve both mechanical strength and magnetic characteristics by improving the filling rate of magnetic powder, largely reducing a space between the grains of magnetic powder and improving the orientation of the powder when anisotropic magnetic powder is used. CONSTITUTION:The shape of the material powder is permitted to be spherical with 0.75 or more aspect ratio. The spherical material powder is manufactured by spraying the mixed liquid of organic solvent solution of thermosetting resin and hard magnetism magnetic powder and by drying the sprayed liquid. It is preferable that the material powder has the grain size distribution of normal distribution.
Patent JP-H0264906-A (JP)
Title: Magnetic head
Inventor: KOMIYA NOBORU
IPC: G11B5/17
Filed: 1988-08-30
Abstract: PURPOSE:To prevent the poor insulation of a lead wire by winding a flexible printed circuit board, for which a number of lead wires are formed parallelly to a band-shaped insulating base film, to a core in the length-wise direction of the lead wire, and serially connecting the lead wires while connecting the winding starting edge and winding ending edge of each lead wire. CONSTITUTION:A flexible print circuit board 11, for which two lead wires 13 and 14 are formed parallelly to one surface of a band-shaped base film 12, is wound to a core 12 by prescribed times in the length-wise direction of the lead wires 13 and 14. Then, a winding starting edge 14a of the lead wire 14 and a winding ending edge 13b of the lead wire 13 are connected and the two lead wires 13 and 14 are connected. At such a time, the flexible print circuit board, for which the two lead wires are formed, is wound to the core and the insulating base film to form the two lead wires in the flexible print circuit board has enough intensity and the base film is not broken in the edge part of the core. Thus, the poor insulation of the two lead wires can be prevented from generation.
Patent JP-S6373743-A (JP)
Title: Digital optical link photodetection circuit
Inventor: SOGABE KAZUYOSHI
IPC: H04L25/03
Filed: 1986-09-16
Abstract: PURPOSE:To suppress the fluctuation of a pulse width, and to expand a reception range, by voltage-dividing a photodetecting output signal by a resistor, passing it through an integration circuit, and seting it as the threshold voltage of a voltage comparator, CONSTITUTION:A signal in which received light is light-to-electricity-converted by a photodiode 1, is amplified by an amplifier 2, and an amplified photodetecting output signal Vin is voltage-divided by resistors R1 and R2, and the voltage-divided signal{(Vin X R2)/(R1+R2)} is passed through the integration circuit 3 of a time constant CR3 consisting of a resistor R3 and a capacitor C, and is set as the threshold voltage VTH of the voltage comparator 4. An ATC (automatic threshold voltage control) circuit 5 is operated at all of the photodetecting levels, and the fluctuation of the distortion of the pulse width of an output is suppressed, therefore, the operating range of the level of the received light in the ATC circuit 5 is expanded. Also, since the offset, and the noise margin of the voltage comparator 4 is guaranteed, an operation can be stabilized.
Patent JP-H0963952-A (JP)
Title: Patterning of semiconductor surface and manufacture of semiconductor device
Inventor: FUJITA SHINOBU
IPC: H01L29/812
Filed: 1995-08-25
Abstract: PROBLEM TO BE SOLVED: To make it possible to perform easily a fine processing on the surface of an Si substrate in few processes without using a high-degree exposure technique. SOLUTION: In a semiconductor surface pattern formation method for forming a periodic mask pattern on the surface of an Si substrate, oxygen gas and carbon monoxide gas are simultaneously fed to the surface of the Si substrate 10 having periodic atomic steps and these gases are put into a plasma state to make them adsorb to the surface of the substrate, then, the substrate 10 is performed a heating treatment at 1200 deg.C and silicon-carbon bond layers 12 are periodically formed on the surface of the substrate 10 along the atomic steps.
Patent JP-H0665432-A (JP)
Title: Thermoplastic resin composition
Inventor: FURUKAWA SADAFUMI
IPC: C08L33/04
Filed: 1992-08-17
Abstract: PURPOSE:To obtain a thermoplastic resin composition giving films having good processability, toughness, resistances to scratch, heat, shock and, chemical, and high transparency by adding a polyolefin modified by grafting or copolymerzing a methacryl resin to an amorphous polyolefin and a specific methacrylic resin. CONSTITUTION:100 pts.wt. resin composition comprising (A) 5 to 95wt.% amorphous polyolefin such as a ring-opening polymer of tetracyclodecene and (B) 95 to 5wt.% methacrylic resin formed by copolymerization of methyl methacrylate only or a mixture thereof with at least one of other copolymerizable vinyl or vinylidene monomers together with at least one of acids such as acrylic acid and/or an acid anhydride such as maleic anhydride are admixed to 1 to 20 pts.wt. polyolefin modified by grafting or copolymerizing at least one methacryl resin to give the objective resin composition having excellent balance in its physical properties and giving films having good appearance and transparency.
Patent JP-H0754657-A (JP)
Title: Combustion chamber of direct injection type diesel engine
Inventor: ENDO HIROYUKI
IPC: F02M61/14
Filed: 1993-08-10
Abstract: PURPOSE:To provide a combustion chamber of a direct injection type diesel engine which is able to change moving direction of fuel spray without damping kinetic energy, promote mixing of fuel and air during the whole burning period, and restrict formation of harmful matter to a large extent. CONSTITUTION:In a direct injection type diesel engine which jets fuel from a fuel valve 2 having at least four nozzles 1 and burns it, there is a central projection 6 in the bottom face 8 of a cavity formed in a piston top face and longitudinal section shape of the projection is formed in a shape obtained by combining circular arcs 7 to be continuous from the cavity bottom face 8 with a proper face 5 to be continuous to that. When angle 15 to be formed by, tangential line 4 of the circular arc 7 at point of intersection 13 of the circular are 7 and face 5, and, central axis 3 of the cavity is shown as theta1, and angle 16 to be formed by, straight line 14 that links position of the nozzle 1 and point of intersection 13 and, central axis 3 of the cavity is shown as theta2, the cavity shape is formed so as to satisfy 0<theta1<theta2.
Patent JP-H0669280-A (JP)
Title: Mounting structure for bare chip
Inventor: KUSAYA TOSHIHIRO
IPC: H01L21/60
Filed: 1992-08-18
Abstract: PURPOSE:To facilitate removal of a bare chip by curing an insulating layer for fixing the chip to a predetermined surface of a board by heating, and further forming it of a synthetic resin material to be softened by heating it to a temperature higher than the predetermined temperature. CONSTITUTION:The mounting structure for a bare chip comprises a board 8 having pads 3 to be connected to connecting parts 2 through a leader pattern 9 and formed at predetermined surface 1A of an insulating member 1, a bare chip 4 having electrodes 5, and bumps 7 for connecting the pads 3 to the electrodes 5. The chip 4 is fixed to the surface 1A through an insulating layer 6, and the electrodes 5 are so connected as to have conduction with the parts 2. In such a mounting structure of the chip 4, the layer 6 is so cured by heating it to a predetermined temperature T1 as to remove the chip 4 from the board 8 as required and formed of synthetic resin to be softened by heating to a temperature T2 higher than the temperature T1.
Patent JP-H0641666-A (JP)
Title: Heat resistant aluminum alloy excellent in toughness and fatigue strength
Inventor: KIKUCHI AKIO
IPC: C22C21/02
Filed: 1992-07-24
Abstract: PURPOSE:To develop a heat resistant Al allay excellent in toughness and fatigue strength by adding specified ratios of Si, Fe, Cu, Mg and other metallic elements to Al. CONSTITUTION:By the Al alloy obtd. by incorporating Al with, by weight, 15 to 25% Si, 3.5 to 6.5% Fe, 0.4 to 1-2% Cu and 0.2 to 0.7% Mg and furthermore with total 0.6 to 2.0% of one or more kinds among Zr, V and Mo, a light alloy material for apparatus requiring heat resistance such as engine parts in which the average grain diameter of Si grains in the structure is regulated to 5mum or smaller as well as the average distance of the grains is regulated to 10mum or shorter and excellent in toughness and fatigue strength can be obtd.
Patent JP-S6197980-A (JP)
Title: Laser cooling device
Inventor: ARAI NOBORU
IPC: H01S3/101
Filed: 1984-10-19
Abstract: PURPOSE:To prevent a laser from being damaged due to a breakdown of the hoses by a method wherein a liquid tank is interposed on the return path for the reflux of the cooling water and the high-pressure vapor in the liquid tank is securely guided to the outside by the pressure escape means provided at the upper part of the liquid tank. CONSTITUTION:A liquid tank 39 is interposed on the halfway of the return path for the reflux of the cooling water, which is heated by a laser 30 and is made to rise to high temperatures. This liquid tank 39 is provided with a pressure escape means 40, such as a hole 41, which interpenetrates between the interior of the liquid tank 39 and the outside and is used for enabling the high pressure at a time, when the vapor pressure in the interior thereof rises, to escape. The other end of a hose 37, which is led out of an Ar laser head 31, is led into water 42 poured into the liquid tank 39, while the other end of a hose 38 connected with a pump 34 is similarly led into the water 42. By this method, the high-pressure vapor can be securely guided to the outside. As a result, the damage of the laser 30, which is caused by a breakdown of the hoses, can be avoided.
Patent JP-H02102901-A (JP)
Title: Method and device for filling hydropneumatic intensifying type pressure transducer with pressure oil
Inventor: OIGEN RATSUPU
IPC: F15B15/20
Filed: 1989-08-24
Abstract: PURPOSE: To automatically vent the air entering when a pressurized oil is poured in a pressurized oil storage chamber by completing the pouring of the pressurized oil when the pressure of the pressurized oil reaches the value which is slightly higher than the pressure in the storage chamber and lower than the pressure necessary for the movement of a working piston. CONSTITUTION: When a pressurized oil feed screw 22 for pouring the pressurized oil is opened, and the pressurized oil is poured therein under the constant pressure, the pressurized oil flows in a working chamber 1 through a passage 23, and then flows into a storage chamber 9, and a storage chamber piston 11 is moved upward against the force of a storage chamber spring 12. In a regular condition, a vent bore plate 29 is removed when the pressurized oil is supplemented or poured for the first time. In the initial position, the hydraulic pressure in the storage chamber 9 directly works on a movable valve part 28 through a vent bore 25 at the critical position where the vent bore 25 is opened.  After the air of a small amount interposed in the storage chamber 9 is vented, the pressurized oil passes a valve part through the vent bore 25, and it is confirmed that the pressurized oil is sufficiently poured.
Patent JP-S6198927-A (JP)
Title: Automatic inspector for gas turbine generator
Inventor: UNO HIDEYA
IPC: F16N29/04
Filed: 1984-10-19
Abstract: PURPOSE:To continue monitoring under abnormal operation of cooling unit by detecting the abnormality of lubricant cooler in gas turbine generator through comparison between the inlet/outlet temperature of lubricant to be fed to the bearing and a referential level. CONSTITUTION:A gas turbine 1 to be coupled coaxially, inlet temperature thetaI detector 9 of lubricant to be fed to the bearings of reduction gear 2 and generator 3 and outlet temperature thetaO detector 10 of lubricant discharged from the bearing are provided. The outputs from said detectors 9, 10 are fed together with the signals from gas turbine output KW detector 11, room temperature thetaA detector 12 and a gas turbine operating condition contact signal 13 to an operational controller 16 through an input unit 14. Said controller 16 will operate the degree (alpha) (=thetaI-thetaA/thetaO-thetaI) of performance degradation under abnormality and compare with the degree (alphan) under normal condition, and if alpha>alphan, it is decided that the lubricant cooler 5 is abnormal. Said degree (alpha) is set while being corrected by gas turbine output KW.
Patent JP-H0643665-A (JP)
Title: Electrophotographic sensitive body
Inventor: ASHITANI SEIJI
IPC: G03G5/04
Filed: 1992-07-27
Abstract: PURPOSE:To obtain an electrophotographic sensitive body hardly generating picture defects of white spots, black spots, roughness, pinholes, etc., by water- washing and refining the fine powder of at least one resin powder between the binder resin of a charge generating layer and the resin of an undercoating layer to a specified average grain diameter. CONSTITUTION:At least a charge generating layer and a charge transfer layer are formed on a conductive substrate to constitute an electrophotographic sensitive body, but the undercoating layer can be provided. When the undercoating layer is formed, at least one between the binder resin of a charge generating layer or the resin of the undercoating layer is refined. The refined fine resin powder has >=100mum average grain diameter. The resin to be used is washed with water in the form of fine powder, hence the resin is firstly pulverized, and then the pulverized resin is washed with deionized water. The washed fine resin powder is dried.
Patent JP-H0772230-A (JP)
Title: Magnetic-force microscope
Inventor: TOMITA EISUKE
IPC: G01R33/12
Filed: 1993-09-02
Abstract: PURPOSE:To find the absolute value of a magnetic force by a method wherein, while a plate spring is being scanned in the Z-direction, the differential value in the Z-direction of the magnetic force is measured and the magnetic force is integrated regarding the Z-direction. CONSTITUTION:A plate spring 1 is scanned in the Z-direction by a fine moving element 9, a piezoelectric element 2 is vibrated simultaneously, the plate spring 1 which is provided with a ferromagnetic probe is resonated, and vibrations of the plate spring 1 are detected by a laser 4. When a detected signal is integrated by an information processing means 12, the absolute value of a magnetic force can be obtained.
Patent JP-H03137149-A (JP)
Title: Polyphase composition containing water-soluble acrylamide polymer
Inventor: UIRIAMU DEBITSUDO EMONZU
IPC: C08F2/16
Filed: 1990-08-20
Abstract: PURPOSE: To obtain a thickener or a flow modifier for coating materials, which is suitable for modification of coating materials and printing inks, stabilization of emulsions and the like and comprises an aq. phase and other phases by comprising a specified acrylamide and a water-soluble polymer having a water- insoluble hydrophobic group.  
     CONSTITUTION: This thickener of flow modifier for coating materials comprises an acrylamide, a water-soluble polymer having a wt. average mol.wt. of not less than 10000, wherein the skeleton of the polymer chain comprises 50 to 100 (wt.)% acrylamide (A) and 0 to 50% other vinyl monomer (B), not more than 10% of the component (B) is a hydrophobic monomer, and the end of the polymer chain has a hydrophobic group derived from a water-insoluble molecule having a useful hydrophobic group used as a free radical initiator (i), a chain transfer agent (ii), or a component (iii) of the initiator or the chain transfer agent. 
     COPYRIGHT: (C)1991,JPO
Patent JP-H0382256-A (JP)
Title: Automatic transfer equipment for extension telephone set
Inventor: YAHAGI HIRONORI
IPC: H04M3/54
Filed: 1989-08-25
Abstract: PURPOSE:To ensure the transfer processing to resident location through the confirmation of an individual identification number only by using a main storage device of a telephone exchange system so as to generate a cross reference table between an extension telephone number and the individual identification number and a transfer program. CONSTITUTION:A cross reference table 13 between an extension telephone number of a resident location and an individual identification number is provided as a data part 2-2 of a main storage device 2. When the transfer of an extension telephone call is requested as a program part 2-1 of the main storage device 2, the table 13 relating to the individual identification number in the data part 2-2 is referenced and the extension telephone number of a location where a called part is resident is found out and the number is called out by a program 12 operating a channel controller 4. Thus, the extension telephone call is easily and surely transferred automatically between the basic resident location and a tentative resident location.
Patent JP-H0268179-A (JP)
Title: Metallic finish method
Inventor: KASARI AKIRA
IPC: B05D7/24
Filed: 1988-08-31
Abstract: PURPOSE:To enhance a metallic feeling by using a specific cellulose acetate butyrate resin in metallic base paint and using an acrylic resin, a melamine resin and a curing catalyst as top clear paint. CONSTITUTION:A cellulose acetate butyrate resin to be used in metallic base paint has properties such that a degree of acetylation is 8-20wt.%, a degree of butyrylation is 30-43wt.% and a hydroxyl group content is 0.5-4.5wt.%. Top clear paint is set to thermosetting paint based on an acrylic resin, a melamine resin and a curing catalyst and said melamine resin is composed of a composition based on alkoxylated methylol melamine containing 35-wt.% or more of one nucleus body of methoxylated methylol melamine wherein methylol groups are methoxylated partially or entirely and, further, said curing catalyst is composed of an organophosphoric acid compound and/or organosulfonic acid compound. As a result, a metallic feeling can be enhanced.
Patent JP-H0767741-A (JP)
Title: Vehicle seat
Inventor: KATO KAZUTO
IPC: A47C7/35
Filed: 1993-09-03
Abstract: PURPOSE:To provide a vehicle seat wherein rigidity of the seat cushion against the vertical motion can be lowered without causing a forward and backward, left to right, and rolling motion of the seat surface thereby contributing to the improvement of riding comfortableness. CONSTITUTION:Comprises a seat cushion 17 wherein an upper frame 19 is elastically suspended by a fishmouth member 53 against a lower frame 21 and a control measure 25 to control the backward and forward, left and right, and rolling motion without curbing the vertical motion of the upper frame 19.
Patent JP-H0267956-A (JP)
Title: Apparatus for detecting lead-open defect of electronic part
Inventor: MIZUNO TOSHITAKA
IPC: G01N29/12
Filed: 1988-09-02
Abstract: PURPOSE:To prevent poor checking and increase in costs, to improve safety and to shorten checking time by providing a vibration imparting means which imparts mechanical vibration to an electronic part which is mounted on a board. CONSTITUTION:This apparatus is composed of the following parts: a CPU 1; a white noise generator 2 which generates white noise based on a command from the CPU 1; a variable-band type bandpass filter 3 which shapes the noise into a desired shape; a simple type reverberation chamber 6; a reverberation meter 7; and a spectrum analyzer 8. At first, the mechanical resonant frequency of a lead 9b of an electronic part 9a is obtained. The filter 3 is adjusted so that input power spectrum in approximately normal distribution with the frequency as the center is obtained. Then, a noise generating command is sent into the generator 2 from the CPU 1. The noise is shaped as specified with the filter 3 and amplified in an amplifier 4. The noise is transduced into mechanical vibration with a speaker 5. The vibration is imparted to the part 9a. Thus, the mechanical vibration in the form of a sound wave is imparted to all leads 9b provided in the part 9a. The defective soldering of the leads 9b is judged based on the reverberation 7.
Patent JP-H0651636-A (JP)
Title: Developing device
Inventor: MAE HISAYUKI
IPC: G03G15/08
Filed: 1992-07-27
Abstract: PURPOSE:To provide a developing device surely releasing toner in a toner cartridge into a toner hopper and improving the stirring capacity of a toner agitator during a replenishing action and further, a developing device securing the safety of a user during the replenishing action and not scattering the toner and dropping a developer, but saving power and improving durability. CONSTITUTION:In the developing device provided with the toner cartridge 13 having a shutter 14 for dropping the toner housed inside from the opening of the bottom surface and the toner hopper 11 having the opening for attaching/ detaching the toner cartridge 13, the toner agitator 12 sending out the toner in the toner hopper 11 toward a toner replenishing part while agitating the toner, linked with an operation for replenishing the toner from the cartridge 13 is freely rotatably supported in the toner hopper 11, and simultaneously, driving means 18 and 19 rotating/driving the toner agitator 12 are provided.
Patent JP-2000035381-A (JP)
Title: Method for inspecting abs function of brake tester
Inventor: OYAGI TAKASHI
IPC: G01M17/007
Filed: 1998-07-17
Abstract: PROBLEM TO BE SOLVED: To provide a method for inspecting an ABS function for improving an ABS performance inspection in a brake tester with an ABS inspecting function. SOLUTION: The method for inspecting an ABS function of a brake tester for detecting a rotational speed of a rotating roller 2 of a rear side of a pair of front and rear rotating rollers 1, 2 at the time of operating braking of a vehicle to be measured in the state that these rollers 1, 2 are rotated at a certain speed or more in such a manner that the rollers 1, 2 with which wheels of the vehicle are brought into rotatable contact and carried are disposed in space at a suitable interval comprises the steps of capturing a change ratio of the speed of the roller 2 of the rear side at the time of braking the vehicle to be measured, comparing the change ratio with a previously assumed change pattern, and deciding a pass or a fail of the ABS function of the vehicle.
Patent JP-S6198798-A (JP)
Inventor: MIURA MASASHI
IPC: C11D7/52
Filed: 1984-10-19
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-H1151803-A (JP)
Title: Apparatus for detecting liquid leakage of liquid valve
Inventor: HIROSE HIDEAKI
IPC: G01M3/04
Filed: 1997-07-31
Abstract: PROBLEM TO BE SOLVED: To quickly detect even a minute amount of liquid leakage. SOLUTION: A liquid valve 3 has a valve seat 9 surrounding a liquid path 8 formed in a housing 7 and a valve body 11 brought close to and away form the valve seat by a cylinder device (opening/closing driving means) 6 thereby opening/closing the liquid path. A bellows 40 (flexible seal member) isolates the liquid path at the side of the valve seat from a space at the side of the opening/closing driving means. The valve body 11 and flexible seal member 40 are insulated from a liquid in the liquid path. A conductive member 34 is set in the space at the side of the opening/closing driving means 6. Electricity is supplied to the conductive member 34 and liquid in the liquid path from a power source 47. A detecting means 48 detects if the flexible seal member 40 is broken to bring the liquid into touch with the conductive member 34 to conduct the electricity.