baber/WOPTO huggingface dataset:
Patent JP-H08284079-A (JP)
Title: Steel cord
Inventor: KOGA HIROSHI
IPC: B29D29/00
Filed: 1995-04-11
Abstract: PURPOSE: To obtain a steel cord used as a reinforcing material for elastomer products such as pneumatic tires, and to improve the fatigue resistance of tires reinforced with the cord. CONSTITUTION: At least a part of strands is made up of core consisting of a single steel filament and sheath five steel filaments. The core filament is a wire which is so designed that the locus of its section perpendicular to the longer direction of the cord stands ellipsoidally preformed or postformed, having the following parameters: the ratio of the major axis (a) to minor axis (b) for the ellipsoid is 1.1<=(a/b)<=2.3; preformed or postformed rate Rc expressed by the ratio of the preformed or postformed amplitude Lc to the wire diameter (dc):(Lc/dc) is 0.12<=Rc<=1.0; and the preformed or postformed pitch Pc satisfies the relationship: 3.0(dc)/0.34<=Pc<=8.0(dc)/0.34.
Patent JP-H02263420-A (JP)
Title: Manufacture of sheet formed into electret and manufacturing device for same
Inventor: TOGASHI RYOICHI
IPC: H01G7/02
Filed: 1989-04-03
Abstract: PURPOSE:To contrive the prevention of the generation of spark discharge and the improvement of the efficiency of a sheet formed into a coated electret by a method wherein the sheet formed into an electret is introduced from an electric field of a low field strength in an electric field of a high field strength. CONSTITUTION:A sheet 1 formed into an electret is moved along the outer periphery surface of an earth electrode 3 which is rotated, electrodes 4a, 4b,... and a corona electret field which is formed by a plurality of electrodes are made to pass through in order to perform a work of the electric. At this time, the applying electrodes 4a and 4e are arranged in such a way that the distance between an applying voltage and the electrode 3 becomes narrower as the distance goes from the electrode 4a toward the electrode 4e. Accordingly, a constant voltage is applied by a DC high-voltage power supply 5 and the side of the field strength of the sheet 1 becomes stronger by the electrode 4b and after electrodes, which act on the sheet 1 after the first electrode 4a to act on the sheet 1, then the field strength which is made strong by the first electrode 4a. Thereby, the sheet 1 having the good efficiency of the electret can be manufactured without the generation of speak discharge.
Patent JP-H04317229-A (JP)
Title: Scrambling system
Inventor: NAKAZAWA NOBUHIKO
IPC: H04J3/02
Filed: 1991-04-17
Abstract: PURPOSE:To reduce the number of shift registers in a parallel pseudo-random signal generation circuit, to reduce the circuit scale and power consumption and to flexibly cope with a paralleled number. CONSTITUTION:'n' kinds of combination exclusive OR circuit group 12 which is preliminarily designated corresponding to the paralleled number 'n' so that it can be identical to a prescribed generation polynomial, outputs respective operation results. A selector circuit selects the output of one combination exclusive OR circuit 12 corresponding to the paralleled number 'n'. By performing the feedback input of the output of the selected one combination exclusive OR circuit 12 to 'n' parallel shift registers which can be commonly used without depending on the paralleled number, the pattern series of an 'n' parallel pseudo- random signal 10 can be generated.
Patent JP-S62242253-A (JP)
Title: Floppy disk system
Inventor: TANAKA NORIYUKI
IPC: G06F12/08
Filed: 1986-04-14
Abstract: PURPOSE:To perform the reading and writing at high speed by adding a writing control circuit for writing required data stored in a disk buffer on a loaded floppy disk before a signal for removing is outputted to the floppy disk device. CONSTITUTION:When an operator gives an instruction for taking out the floppy disk to a main body 11, initially, the required contents of the disk buffer 13 (data in which only the contents of the disk buffer 13 are updated and the contents of the floppy disk are not updated) are written in the floppy disk. Thereafter, the main body 11 outputs an eject signal EJ through a line 16 to the floppy disk device 12, and ejects the floppy disk. Thereby, the writing to the floppy disk can be used by the disk buffer 13 and made at high speed.
Patent JP-H02263025-A (JP)
Title: Air conditioning device for clean room
Inventor: YOKOTA SHIGEO
IPC: F24F7/007
Filed: 1989-04-04
Abstract: PURPOSE:To reduce consumption energy by a method wherein the number of persons present in a clean room is detected, and the opening of a motor damper and the number of revolutions of a drive motor for a booster fan are changed according to a fluctuation in the number of the persons. CONSTITUTION:The number of persons present in a clean room 1 is counted by a counter 5 mounted to an air shower 3. When the number of persons present in the room exceeds a set value, the opening of a first motor damper 18 is increased and the opening of a second motor damper 19 is decreased, and further the number of revolutions of a drive motor for a booster fan 11 is increased by means of an inverter 10. As a result, a velocity of air fed in the clean room 1 and an O2 amount are increased to cope with the increase of the generation of dust and CO2 due to the increase in the number of persons present in the room. Meanwhile, when the number of persons present in the room is below a set value, the opening of the first motor damper 18 is decreased and the opening of the second motor damper 19 is increased. Further, the number of revolutions of the drive motor for the booster fan 11 is decreased by means of the inverter 10.
Patent JP-S5512456-A (JP)
Title: Level detecting circuit for metal body
Inventor: IGARASHI EIJIROU
IPC: G01F23/24
Filed: 1978-07-13
Abstract: PURPOSE: To improve the stability of a detector by changing the width of oscillating pulses, when a metal body reaches a preset level, and by comparing the rectified voltage with a reference voltage thereby to detect the level.  
     CONSTITUTION: An instable multivibrator MV is connected with a one-shot circuit OSH, which has its output fed through a smoothening circuit SMC to the inverted side of a comparator COM having its non-inverted side supplied with a reference voltage. Under this condition, if the supply of the metal body reaches a preset value so that a point D is grounded to the earth, the waveforms of the point D are made to have gentle rise due to the increase in the floating capacity so that the width of the output pulses from an inverter INT 4  is reduced. As a result, the output of the smoothening circuit becomes lower than the reference voltage so that the relay RY 1  is operated by the output of the comparator COM thereby to stop the parts feeder. Thus, it is possible to provide a detecting circuit which is inexpensive but highly safe while generating no spark during the detection. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H07270556-A (JP)
Title: Production of elapsed time indicator
Inventor: KAGEYAMA MASAYUKI
IPC: C09K3/00
Filed: 1994-03-30
Abstract: PURPOSE:To indicate an elapsed time with an optical density by forming a thermo-adhesive resin layer on a layer containing a coloring agent not yet developing color and then causing the coloring agent to develop color thereby forming a layer containing a color changing agent. CONSTITUTION:A layer 2 containing a coloring agent not yet developing color and a developer for causing the coloring agent to develop color is formed on a base material 1. The basic material 1 includes a paper, a plastic film, etc. The coloring agent includes a coloring fluoran-based dye, especially 1,3- dimethyl-6-diethylamino fluoran classified to a leuco dye. The developer includes t-buthylphenol being employed when an oxidative substance is used. A thermo- adhesive resin film is applied onto the layer 2 and hot-pressed to produce a thermo-adhesive resin layer 3. The coloring agent and the developer are caused to react with each other to develope color at the time of formation of the resin layer 3.
Patent JP-H02263919-A (JP)
Title: Production of hot rolled steel plate excellent in formability
Inventor: NAGAO NORIAKI
IPC: C22C38/14
Filed: 1989-04-04
Abstract: PURPOSE:To inexpensively provide a steel plate for forming with high efficiency by subjecting a steel containing specific weight percentages of C, N, Ti, and Nb to heating up to a specific temp. and to hot rolling, completing rolling at respectively specified temp., number of passes, and rolling reduction in the latter stage of finish rolling, and then carrying out recrystallization annealing. CONSTITUTION:A steel has a composition containing, by weight, <=0.005% C, <=0.005% N, 0.01-0.02% Ti as effective Ti, and 0.005-0.01% Nb. This steel is heated up to a temp. not exceeding 1050 deg.C and hot rolled. Rolling is completed while controlling rolling conditions in the latter stage of finish rolling so that rolling temp. and the number of rolling passes are regulated to 650-750 deg.C and two passes, respectively. Then, recrystallization annealing is carried out. By this method, the hot rolled steel plate excellent in formability can be stably obtained.
Patent JP-S63252602-A (JP)
Title: Rolling method and cluster multiroll mill
Inventor: ARAYA HIROSHI
IPC: B21B1/22
Filed: 1987-04-09
Abstract: PURPOSE:To disperse wear of a roll in the axial direction and to improve the quality of a rolled stock by concurrently shifting work rolls and intermediate rolls in the axial direction before and during rolling or in either time of before rolling or during rolling. CONSTITUTION:For rolling of a strip 3, actuation and rotation of intermediate rolls 4 and a lower work roll 20 cause following rotation of an upper work roll 1, an upper segmented reinforcing rolls 10a, 10b, and a lower reinforcing roll 26. Roll shifting mechanisms 40, 42 alternately, reciprocately shift outer chocks 103a, 103b and lower work roll chocks 104a, 104b in the roll axial direction by a prescribed amplitude. Hence, the strip 3 is passed and rolled with the upper work roll 1 and the intermediate roll 4 as well as the lower work roll 20 are reciprocatively shifted to each other and symmetrically in upper and lower positions.
Patent JP-2000272354-A (JP)
Title: Door glass, and automobile door comprising the door glass and door glass run
Inventor: KAWAI KATSUNORI
IPC: B60J10/04
Filed: 1999-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a door glass to be elevated smoothly. SOLUTION: An edge surface 52 of a corner part 51 of a door glass 50 is applied with mirror finish, and a urethane coat layer 42 is provided on a part of an inner peripheral surface 41 of a door glass run 40 to be slid against the edge surface 52 of the corner part 51 of the door glass 50. Thereby, even if the door glass 50 is elevated following the regulator operation, the friction generated in the sliding action between the door glass 50 and the door glass run 40 is reduced. Therefore, the door glass 50 can be elevated smoothly, and the durability of the door glass run 40 is improved.
Patent JP-H08283970-A (JP)
Title: Method for pickling titanium thin sheet
Inventor: MATSUHASHI AKIRA
IPC: C23G1/10
Filed: 1995-04-11
Abstract: PURPOSE: To prevent the pickling contamination due to the deposition of colored TiO and Ti2 O3 and to obtain a beautiful surface at the time of descaling an annealed titanium thin sheet by using a mixed soln. of the nitric acid and hydrofluoric acid having a specified concn. as a pickling soln. and conducting a series of operations such as water washing and drying after pickling without exposing the sheet to the air. CONSTITUTION: A mixed soln. contg. 40-250g/l nitric acid and 20-50 hydrofluoric acid is used as the pickling soln., and a series of operations such as water washing and drying are conducted immediately after pickling. Further, hydrogen peroxide is preferably added by 50-200g/l to the pickling soln. More preferably, the pickled titanium thin sheet is dipped in 60-63% nitric acid kept at 40-60 deg.C, washed with water and dried. By using such a highly oxidative pickling soln. and conducting the the treatments after pickling, the titanium oxide formed on the surface is converted to colorless TiO2 , and the brownish pickling contamination is avoided.
Patent JP-S59211951-A (JP)
Title: Secondary electron detector
Inventor: MIMURA TADAO
IPC: H01J43/30
Filed: 1983-05-18
Abstract: PURPOSE:To make a secondary electron's level varying over a wide variety of ranges detectable in a state of being stabilized at all times, by detecting an output level in an amplifier, while having an output signal of such a amplifier as being small in its amplification degree outputted upon selection in regular sequence according to an increase in the detected level. CONSTITUTION:This detector detects amplifiers 12a and 12b and each output of these amplifiers 12a and 12b with an amplification degree difference in the secondary electron beam collected to each of electron collectors 10a and 10b, and provided with a selector 18 outputting an output signal of such an amplifier as being small in the amplification degree upon selection in regular sequence. And, when the level of the seconcary electron current is low, a detection signal being amplified by the amplifier 12b that is large in the amplification degree is outputed via a switch 20b of a FET switch or the like, and when the level of this detection signal reaches to a saturated level in the amplifier 12b, the switch 20b is turned to OFF while a switch 20a to ON, and afteward, the detection signal amplified by the amplifier 12a being small in the amplification degree is outputed via the switch 20a.
Patent JP-S57199904-A (JP)
Title: Inclination controller
Inventor: HIROSE TSUNEO
IPC: G11B7/095
Filed: 1981-06-03
Abstract: PURPOSE:To prevent generation of tracking errors owing to the inclination of an optical axis by obtaining the inclination error signal corresponding to the inclination of a disc from the tracking error signal of a pit-less part and controlling the inclination, etc. of the optical axis in accordance with this signal. CONSTITUTION:The rugged signal of an optical disc 2 enters a two-split light detector 8, and both outputs from the detector 8 are inputted to a rugged signal reproducing part 9 and a differential tracking error extracting part 10, by which the rugged signal is reproduced, and a tracking error signal is created. These signals are inputted to an extracting part 11 for the tracking error signal of a pit-less part, from which the tracking error signal of only the pit-less part is extracted. Further, this signal drives an angle adjusting actuator 14 via an amplifier part 12, thereby adjusting the optical axis so as to be made perpendicular to the disc 2. The tracking error signal from the part 10 drives a tracking actuator 15 via an amplifier part 13.
Patent JP-H06301948-A (JP)
Title: Head driving apparatus
Inventor: MITANI HIROSHI
IPC: G11B21/10
Filed: 1993-04-13
Abstract: PURPOSE:To remarkably improve the controlling frequency band for a head driving apparatus and to eliminate a notch filter by feeding back the speed data from a speed presuming means and damping sharp resonant characteristics of a piezoelectric actuator. CONSTITUTION:The apparatus is provided with a speed observer 104 which presumes the speed data for a piezoelectric actuator 101 from the shifting amount of the piezoelectric actuator and driving signals of the piezoelectric actuator, and a synthesizer 108 which synthesizes outputs from a deviation compensating means 107 and the speed observer 104 to form driving signals for the piezoelectric actuator. When the speed data is fed back, the resonant characteristics of the piezoelectric actuator are damped. At the same time, as the deviation data is fed back, the head is positioned at a target position. Accordingly, the polar arrangement for the head driving apparatus is generally agreed with that of a Bessel's low pass filter, thereby optimizing the response characteristic.
Patent JP-H11289735-A (JP)
Title: Brushless motor
Inventor: SHIMIZU MASAAKI
IPC: H02K7/14
Filed: 1998-03-31
Abstract: PROBLEM TO BE SOLVED: To provide a brushless motor that can surely prevent noises which are produced when the rotor of the motor is rotated. SOLUTION: In a brushless motor, which is constituted in such a way that a rotor 6 is rotatably supported by a stator 2 fixed to a motor holder 1, the rotor 6 is rotationally driven by supplying an exciting current to the stator 2, a fixing plate 21 is formed at one end of a center piece 3 constituting the stator 2, and a boss section 22 is formed on the fixing plate 21. Then the boss section 22 is fixed to the motor holder 1 via a vibration proofing material 24a.
Patent JP-H08256645-A (JP)
Title: Handle folding device for fishing reel
Inventor: YAMAGUCHI AKIRA
IPC: A01K89/01
Filed: 1995-03-17
Abstract: PURPOSE: To provide a handle folding device not causing looseness during winding operation of a handle, having smooth winding operation, not producing reduction in strength, wear, etc. CONSTITUTION: On a handle folding device for a fishing reel in which a handle 17 is supported on a shaft of a handle stand 15 formed at the end of a handle shaft rockingly between a standing position in a use state and a folded position in a housed state and a handle stopper 18 existing between the handle stand and the handle, connected to the handle and changing the handle from the standing position to the folded position is installed, a second tapered engaging part 15e is formed at a fixed part at the opposite side in the handle folded direction of the handle stand 15e to be engaged with the handle 17 and the handle is provided with a tapered engaging recessed part for housing the second tapered engaging part in an engaged state.
Patent JP-2000272021-A (JP)
Title: Mold for producing frp filament and manufacture of frp fine filament
Inventor: KOBAYASHI NAOHIRO
IPC: B29C35/08
Filed: 1999-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a mold for producing FRP filaments in which resin- impregnated fibers can be molded and cured easily, the surface properties of the fibers are good, and shapes are possible in the continuous production of the filaments by a pultrusion method and a method for producing the filaments. SOLUTION: In a method for producing FRP filaments continuously in which fibers are impregnated with a resin liquid, the rein-impregnated fibers are introduced into a mold D, the resin is cured in the mold and/or after passage through the mold, the mold D comprises plate-shaped molds 2-5 mm in thickness and is composed of a group of the plate-shaped molds in which they are connected together so that cavities formed in them communicate with each other, a tapered opening part is formed on the side of an introduction port for the fibers in each plate-shaped mold, and the opening part is connected to the cavity of the plate-shaped mold.
Patent JP-S5610697-A (JP)
Title: Composite heat accumulator
Inventor: ASAHINA TADASHI
IPC: F24S90/00
Filed: 1979-07-07
Abstract: PURPOSE: To effectively accumulate heat from a heat source of varying temperature level by a method wherein a plurality of packed beds comprising heat accumulating materials of different melting points are arranged in a heat accumulating container.  
     CONSTITUTION: When packed beds 14W16 are arranged in a heat accumulating cintainer, with beds of higher melting point located nearer to an inlet 12 for heating medium, the temperature distribution in the container will be as shown in the diagram. When the melting point of the heat accumulating material is reached in each packed bed, there takes place absorption of latent heat so that the heat accumulating speed becomes extremely high as indicated by the curve 20. That is, since the absorption of latent heat occurs simultaneously at different portions of the interior of the heat accumulator, the accumulation of heat into the heat accumulator is effected rapidly and the time required for transferring heat into the heat accumulator is largely reduced. In addition, effective heat accumulation is achieved at every part of the heat accumulating materials in the heat accumulating container 10 and thermal efficiency of the heat accumulator is improved. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H02266817-A (JP)
Title: Power system-protective relay
Inventor: KAI TAKAAKI
IPC: H02H3/38
Filed: 1989-04-05
Abstract: PURPOSE:To protect a power system by providing a means to multiply the negative-phase current of a parallel two-circuit transmission line by a specified constant and a means to deduct the value of the above means from line voltage, to detect short-circuit fault of the transmission line when this value is not more than the specified value and to lock the output of an earth circuit detection relay. CONSTITUTION:A short-circuit fault detection relay 11 is composed of voltage detection sections 14a to 14c and an OR gate 15. At the voltage detection sections 14a to 14c the product of two-circuit sum negative-phase current and a constant is respectively deducted from line voltage. If it is not more than the specified value, a short-circuit fault is detected. A short-circuit fault detection section is of a current compensation system to ensure short-circuit preference in a remote two-phase ground fault in a system of a large back-ground capacity. When the short-circuit fault is detected, the output of a ground fault circuit detection relay 10 is locked. The electric power system can thereby be protected.
Patent JP-H03288556-A (JP)
Title: Wet pulverizer, method for pulverizing solid substance using this apparatus and recording body coated with water dispersion of solid substance
Inventor: KOJIMA KAZUO
IPC: B01F27/73
Filed: 1990-03-31
Abstract: PURPOSE:To perform fine pulverization with good efficiency by forming a flow passing through a gap between a rotating disc and the inner wall from the introducing side, a flow reaching the discharging side from an opening of the disc and a flow returning from another opening of the disc to the introducing side to the mixture in a vessel. CONSTITUTION:A mixture of a fluid dispersion of a matter to be pulverized and pulverizing media introduced in a cylindrical vessel 1 from an introducing opening 7 is mixed and stirred by means of a rotating disc 2 to perform size reduction treatment and the dispersion and media after size reduction are separated by means of a screen 8 provided on the discharging side. At least one disc openings of which are worked for forming a flow passing through a gap between the apex part of the disc 2 and the inner wall of the vessel from the introducing side to the discharging side, a flow passing through the opening 3 of the disc from the introducing side to the discharging side and a flow returning through the opening 4 of the disc 2 from the discharging side to the introducing side is provided on a driving shaft 5. As the result, an efficient pulverization can be performed by using a few number of sand mills.
Patent JP-H08255882-A (JP)
Title: Soi substrate and fabrication thereof
Inventor: MATSUMOTO KEI
IPC: H01L21/02
Filed: 1995-03-16
Abstract: PURPOSE: To obtain a method for fabricating a bonding silicon on insulator substrate in which contamination due to metallic impurities can be reduced during the oxidation heat treatment before bonding and the heat treatment after bonding. CONSTITUTION: In the oxidation heat treatment before depositing a specified oxide on the SOI side wafer and the heat treatment for enhancing the bonding strength after bonding, preoxidation is carried out before the heat treatment is effected at a temperature T1 (T1>=1000 deg.C). The temperature T2 for preoxidation is set T1-300<=T2<=T1-100 deg.C and steam, pure oxygen or diluted oxygen is introduced into the furnace in order to carry out heat treatment in an oxidative atmosphere. Since an oxide of some thickness is deposited by preoxidation on the surface of the SOI side wafer and a bonding silicon on the insulator substrate, contamination with Fe, Cr, etc., due to an article in the furnace or the heat treatment atmosphere can be lessened at the time of heat treatment. Consequently, the electric characteristics of the SOI substrate can be prevented from deteriorating.