baber/WOPTO huggingface dataset:
Patent JP-H0220623-A (JP)
Title: Manufacture of stepped double pulley
Inventor: UCHIDA TOSHIO
IPC: B21D53/30
Filed: 1988-07-09
Abstract: PURPOSE:To improve the dimensional accuracy of a product by rough-forming a base material in the shape of a headed short tube through buckling by a tailstock spindle and working by rough squeese rolls, then, finish-forming it through compressing and buckling with a tailstock spindle and finish squeeze rolls. CONSTITUTION:The tailstock spindles 5, 6 are provided against a 1st and a 2nd main shaft of rotation of a spinning machine and the squeeze rolls 10, 11 are arranged respectively against each main shaft of rotation. The tailstock spindles 5, 6 are provided so that they can be compressed and driven by the respective facing cylinders. Previously, the base material W1 is formed by pressing, etc., in the shape of a headed short tube and supplied on the 1st main shaft of rotation, an upper die 61 is lowered forcedly to roughly form the base material W1 by the squeeze rolls 10 while the base material is rotated by the 1st main shaft. Then, a rough forming material W2 is buckled and finished by the tailstock spindles and the squeeze roll 11. Since the squeeze stage is divided into two stages, the accuracy of the squeeze roll working and the buckling are improved and consequently, the finish accuracy of the product W2 is improved.
Patent JP-S5872527-A (JP)
Title: 1,4-disubstituted benzene
Inventor: SUGIMORI SHIGERU
IPC: C07C41/00
Filed: 1981-10-27
Abstract: NEW MATERIAL:The 1,4-disubstituted benzene of formulaI(R is 1-10C alkyl or alkoxy; the group of formula II is group of formula III, formula IV or formula V). EXAMPLE:1-(trans-4'-Cyclohexylcyclohexyl)-4-methoxybenzene. USE:A component of a liquid crystal composition. It is a smectic liquid crystal having low viscosity, and is suitable especially for improving the viscosity of the composition. The compound of formulaIwherein the group of formula II is formula III or formula V is especially stable to moisture, air, heat, light, etc. PROCESS:The compound of formulaIwherein the group of formula II is formula IV can be prepared by (1) reacting the 4-substituted bromobenzene of formula VI with metallic magnesium, (2) reacting the resultant compound of formula VII with 4-cyclohexylcyclohexanone of formula VIII to obtain the compound of formula IX, and (3) dehydrating the product using KHSO4 as a catalyst. Reduction of the product with Raney-nickel catalyst affords another compound of formulaIwherein the group of formula II is formula III.
Patent JP-H0337531-A (JP)
Title: Thermography apparatus
Inventor: ISHINO YOJI
IPC: G01J5/48
Filed: 1989-07-03
Abstract: PURPOSE:To reduce the distortion of an image by taking out a signal only when a detecting timing is located within an arbitrary range with a scanning position at the first time as the center. CONSTITUTION:When a vertical synchronizing circuit 15 is reset at the start of measurement, a synchronizing signal is supplied to a measurement start/finish controlling circuit 7. The signal from the circuit 7 is supplied to an initial detecting circuit 6. The next horizontal synchronizing signal is detected. Said signal is supplied into a memory circuit 5. The position of the trigger signal from a trigger generating circuit 4 is stored with respect to the horizontal synchronizing signal. The stored information of the rotating position of a rotary body 1 is supplied into a range setting circuit 8. The horizontal synchronizing signal is supplied into the circuit 8. A specified range with the stored position as the center is set in correspondence with the horizontal synchronizing signal. The range is supplied into a reception judging circuit 9. The trigger signal and the horizontal synchronizing signal are supplied into the circuit 9. In this way, the next horizontal synchronizing signal is taken out when the trigger signal is located within the preset range.
Patent JP-S6415091-A (JP)
Title: Hook of sewing machine
Inventor: HIROSE TOKUZO
IPC: D05B57/14
Filed: 1987-07-08
Abstract: PURPOSE: To increase the quantity of a looper to be wound on a bobbin by tilting the bobbin to be away from a needle so as to allow the rotary axis line of a rotating hook and the axis line of the bobbin to be nearly coincident. CONSTITUTION: The rotary axis line 12 of the rotating hook 18 is tilted by forming an angle θ1 with respect to a horizontal surface. Lest the needle 41 collides with a flange 39 at the time of moving to a lowest point 43, the length in the axial direction of the bobbin 32 is fixed and, when a handwheel 60 is rotationally-driven, an upper shaft 53 is rotationally-driven around a rotary axis line 11 to vertically reciprocate a needle-thread take-up 62 and the needle 41. In addition, the axis line 12 of a lower shaft 21 is within a plane in common with the axis line 11 of an upper shaft 53, the rotary axis line 11 is horizontal while the rotary axis line 12 is tilted by forming the angle θ1 with respect to a horizontal surface.  By tilting the axis line 12 of the shaft 21 by forming only the angle θ1 with respect to a horizontal surface like this state, the outer diameters of the flanges 39, 40 of the bobbin 32 are increased to increase the length in the axial direction of a cylinder 38.
Patent JP-H09120690-A (JP)
Title: Flash eeprom memory system and its usage method
Inventor: ERIYAHOU HARAI
IPC: G11C11/56
Filed: 1996-06-10
Abstract: PROBLEM TO BE SOLVED: To lengthen the lifetime of a memory. SOLUTION: This device has a field-effect transistor with a floating gate 19, and a memory array, in which the level of threshold voltage is set at a certain given level when there is no charge in the floating gate 19 and is varied by charges held by the floating gate 19, is used as the device. When the state of an addressed cell is changed at that time, effective threshold voltage corresponding to the state of detectable each cell exceeding 2 and exceeding 2 results from the quantity of the positive charges of the floating gate 19, and the quantity of charges on the floating gate 19 of the addressed cell is altered until the threshold voltage of the addressed cell is equalized approximately to one of a plurality of the above-mentioned threshold levels. Accordingly, the state, in which the addressed cell can be detected, is set.
Patent JP-H0922775-A (JP)
Title: High-frequency heating device
Inventor: SHIBUYA MAKOTO
IPC: H05B6/74
Filed: 1995-07-07
Abstract: PROBLEM TO BE SOLVED: To provide a high-frequency heating device which is switched between surface wave heating and standing wave heating by means of simple constitution so that it does not cause uneven heating. SOLUTION: This high-frequency heating device comprises a magnetron 2 generating microwaves, a waveguide 14 transferring the microwaves generated from the magnetron 2, and a heating chamber 1 enclosing a subject to be heated, with a part of the waveguide 14 having a ladder-shaped surface waveguide 16 having a number of openings 15 therein, and with a dielectric plate 17 made removable and switched around for installation on the surface waveguide 15. A means for varying the length of the waveguide means 14 comprises a reflector 20 made of a conducting member, which is made to move back and forth. When the guide wavelength of the waveguide is λg, the interval among the openings 15 is λg/4 or less.
Patent JP-S5873139-A (JP)
Title: Mounting method of semiconductor device on printed board
Inventor: TAKADA JIYUNJI
IPC: H05K7/10
Filed: 1981-10-27
Abstract: PURPOSE:To simplify the mounting and dismounting of a semiconductor device by a method wherein a post, which was fixed to a penetrated hole located on a wiring board, is inserted in one side of a bidirectional socket, and the external lead of the semiconductor device is inserted from other side of the bidirectional socket. CONSTITUTION:A post 9 is inserted to the penetrated hole 4a of a printed wiring board 4, the post 9 and a land 5 are soldered 7, one end of the post 9 si inserted in one side of a bidirectional socket 8, the external lead 3 of the semiconductor device is inserted in other side of the socket 8, and the post 9 and the external lead are connected using a contact 10. According to this constitution, the external lead of the semiconductor device can be securely and easily mounted on and dismounted from the printed substrate, and especially the constitution is effective when a number of external leads are used.
Patent JP-H0725466-A (JP)
Title: Palletizing device for roll
Inventor: SHIGEKIYO MASAHIKO
IPC: B65G57/08
Filed: 1993-07-12
Abstract: PURPOSE:To provide a palletizing device for rolls capable of mounting surely heavy rolllike articles on a pallet without damaging the article. CONSTITUTION:The device is provided with a tumbling machine 5 for moving a cylindrical roll 1 being held on the shell part from horizontal position to the vertical position, a shift part 4 for shifting the cylindrical roll 1 erected to the vertical position to a desired position widthwise of a pallet P and sending- out parts 3, 6 for sending out the cylindrical roll 1 shifted to the desired position toward the position of the pallet P. Further, the device is provided with an aranging part 7 for arranging in standby condition, sent-out cylindrical rolls 1 in front of the position of the pallet P and a push bar 9 for pushing out the cylindrical rolls 1 in standby condition onto the pallet P.
Patent JP-H0223332-A (JP)
Title: Production of silver halide emulsion
Inventor: TERAI FUMITAKA
IPC: G03C1/06
Filed: 1988-07-12
Abstract: PURPOSE:To make it possible to disperse a photographic additive in the silver halide emulsion without remaining the coarse particle of the emulsion at the time of dispers ing a recrystallized crystal in the emulsion, and to prevent the generation of a coating trouble by being existed said additive together with a photographic additive which has a good dispersibility against water, at the time of dispersing the recrystallized crystal in the emulsion. CONSTITUTION:A water-insoluble photographic additive is dissolved in a solution which is incorporated a surfactant having -SO3 or -OSO3 group as a hydrophilic group, in an org. solvent belonging to alcohols, and then the obtd. solution is dropped into the water to recrystallize the additive. Next, the recrystallized additive is dispersed in the water contg. an another photographic additive which has the good dispersibility against the water with a dispersing device. The obtd. dispersion is incorporated in the silver halide emulsion. For example, the dispersion is carried out in the solution 2 to be dispersed which is enclosed in a tank 1 using a rotary agitator having a dissolver blade 3. Thus, the photographic additive can be incorporated in the silver halide emulsion, and the generation of the coating trouble is prevented without remaining the coarse particle of the emulsion at the time of dispersing the recrystallized particle in the emulsion.
Patent JP-H0811062-A (JP)
Title: Polishing and finishing method for corner round face in square material product
Inventor: AYUKAWA YOICHI
IPC: B24D9/04
Filed: 1994-06-29
Abstract: PURPOSE:To eliminate a ridge line between a corner round face and an adjacent plane part by matching an angle of inclination of the plane part in a square material product with an angle of deformation generated when the corner round face is pressed onto an abrasive sheet so as to carry out polishing in a flat part continuing to a recessed curve face part in the abrasive sheet. CONSTITUTION:While a polishing cylinder 1 is rotated, a plane part 42 of a square material product 4 is brought into contact with a flat part 22 from the beginning while being inclined at an angle theta of inclination equal to an angle theta of deformation to the surface of the polishing cylinder 1. Under this condition, the corner round face 41 is polished by means of a recessed curve face part 21 of an abrasive sheet 2 and the flat part 42 is polished by means of a flat part 22, while the square material product 4 is moved in the longitudinal direction. This action is repeated for several times, so that the corner round face 41 and the plane part 42 are polished by the flat part 22 continuing to the recessed curve face part 21, and as a result, no ridge line is generated between the corner round face 41 and the plane part 42.
Patent JP-H0923458-A (JP)
Title: Time division switch
Inventor: MATSUDA OSAMU
IPC: H04Q11/08
Filed: 1995-07-07
Abstract: PROBLEM TO BE SOLVED: To shorten change-over time and also to attain reducing control memory capacitance. SOLUTION: At the time of writing, respective time slots in an input signal 6 is written in a speech path memory 1 in order in accordance with a writing address 8 which is outputted from an address counter 3. At the time of reading, a connection information signal 15 is read from a control memory 12 based on a timing signal 14 from a time slot counter 11 in the case of signal speed 2, a repeating signal 16 is added as a high-order address in an address converting part 13 and a reading address 17 is generated. The respective time slots are read from the speech path memory 1 based on the reading address 17 and outputted as an output signal 7.
Patent JP-S5961469-A (JP)
Title: Overcurrent protecting circuit for dc/dc converter
Inventor: KOBAYASHI KAZUO
IPC: H02M3/10
Filed: 1982-09-30
Abstract: PURPOSE:To effectively operate a DC/DC converter even when a load is abruptly shortcircuited by protecting the primary or secondary coil current of a main transformer by utilizing the average value and the maximum value of the DC current corresponding to the primary or secondary coil current. CONSTITUTION:The input current of a DC/DC converter 1 is removed, a pulse width control circuit 2 is operated by the average current corresponding to the input current, thereby protecting the converter 1. The voltage corresponding to the maximum value of the input current of the converter is produced form a resistor RV2, and the difference between the voltage and the reference voltage E2 is obtained by a comparator 4. When the voltage corresponding to the maximum value of the input current of the converter 1 is larger than the reference voltage E2, a stop signal is immediately fed to a half-cycle stop circuit 5, and the vibration is stopped only during the half period.
Patent JP-H1018183-A (JP)
Title: Laminated material of nonwoven cloth
Inventor: YAMAMOTO NOBUYUKI
IPC: D04H1/55
Filed: 1996-07-02
Abstract: PROBLEM TO BE SOLVED: To provide a laminated material of nonwoven cloth having excellent hydrophilicity and hygroscopicity, and keeping strength even after moisture absorption. SOLUTION: This laminated material is composed of (1) paper mixing short fibers of core-sheath type conjugate fibers comprising a copolyester having <=130 deg.C melting point as a sheath component and a polyester having a melting point higher than the sheath component as a core component with natural pulps and (2) nonwoven cloth comprising continuous yarns of core-sheath type conjugate yarns of a copolyester having <=130 deg.C melting point as a sheath component and a polyester having a melting point higher than the sheath component as a core component, and the paper is made to one body with the nonwoven cloth by fusing respective copolyesters.
Patent JP-H1111932-A (JP)
Title: Production of fine aluminosilicate particles
Inventor: SUZUKI KATSUTO
IPC: C01B13/32
Filed: 1997-06-27
Abstract: PROBLEM TO BE SOLVED: To stably ensure more stable ink absorbing property and fixability by mixing and hydrolyzing a silicon alkoxide and an aluminum alkoxide and heat-treating the resultant sol. SOLUTION: A silicon alkoxide and an aluminum alkoxide are mixed and hydrolyzed and the resultant sol is heat-treated under the conditions of 5-50% concn., 100-250 deg.C and elevated pressure. The treatment is preferably carried out in an autoclave with a stirrer so as to allow reaction to proceed uniformly. The treatment temp. is preferably 120-180 deg.C. The silicon alkoxide is preferably methoxide, ethoxide, n-propoxide or i-butoxide of silicon, in particular silicon tetraethoxide. The aluminum alkoxide is preferably aluminum isoproxide. Acetonitrile, n-propanol or isopropanol is preferably used as an org. solvent.
Patent JP-H0922303-A (JP)
Title: Vibration suppressing device
Inventor: MITSUTA SHINJI
IPC: G05B13/02
Filed: 1995-07-07
Abstract: PROBLEM TO BE SOLVED: To enable the high-speed and high-accuracy control of an object to be controlled to be realized by separating a frequency domain into a low frequency domain and a resonance frequency domain and attempting the trade-of of target position followup ability and damping performance. SOLUTION: A damping controller 9 receives an output x1 -x2 of a displacement detector 7 and an output x2 -γ of a controller 8 as inputs, operates a rotating speed command μ to a motor 4 for suppressing the vibration of a body structure 2 based on these inputs and outputs this command to a motor driving device 10. In this case, concerning the function value of a frequency weight function to be multiplied to a sensitivity function showing the target position followup ability of a movable part, a function value corresponding to the low frequency domain lower than a prescribed frequency is decided so as to be larger than function values corresponding to the other frequency domains.  Besides, concerning the function value of a frequency weight function to be multiplied to a sensitivity function showing the vibration suppressing performance of the object to be controlled, a function value corresponding to the resonance frequency of the object to be controlled is decided so as to be larger than function values corresponding to the other frequency domains.
Patent JP-H0338467-A (JP)
Title: Hydraulic device of industrial vehicle
Inventor: NAGAI KATSUMI
IPC: B62D6/02
Filed: 1989-07-04
Abstract: PURPOSE:To improve capacity controllability of a pump by constituting the device from a controller for calculating and instructing amount of discharged oil per pump rotation required for power steering when force for operating a steering wheel exceeds the threshold value and a capacity variable mechanism for adjusting the amount of discharged oil of the pump based on the instruction signal. CONSTITUTION:A controller 9 always compares steering wheel torgue input from a torgue sensor 7 with the threshold value wherein if it exceeds the thresh old value, the controller 9 determines that it is intentional turning steering. Then based on the number of rotations of an engine 1 input from a rotation meter 8 at this time, amount of discharged oil per rotation of a pump with respect to the oil amount Q required for power steering is calculated and a control signal corresponding to the above amount is output to a capacity vari able mechanism 20 via a pump control amplifier 10. As a result gradient angle of a pump 2 is adjusted to supply only required amount of oil Q according to the number of rotations of the pump 2 to a power steering circuit 4.
Patent JP-2001000325-A (JP)
Title: Direct-current power supply device for liquid container
Inventor: YAMANE HIROSHI
IPC: A47J27/21
Filed: 1999-06-18
Abstract: PROBLEM TO BE SOLVED: To reduce the number of components and improve efficiency of an assembling work by supplying a direct-current power supply by a battery to a control board side without using a relay lead line for connecting between a terminal provided for a battery case and a terminal on the control board side. SOLUTION: In a PCB unit, a battery box 25 as a battery storing portion is provided near a substrate box 26, and they are integrally connected. The battery box 25 has a latch 32 in a front central part facing to the substrate box 26, and has a small opening 33 on both sides of it. A receiving hole of the latch 32 opens into the battery box 25. The battery box 26 comprises a box body 48 and a box cover 49, and an input contact 51 is provided in a portion facing to the battery box 25. One end of this exposes to the outside to serve is a contact portion 52, faces to a contact portion 42 of an output contact 41, and electrically connects to a battery case.
Patent JP-S6417091-A (JP)
Title: Screen display control system
Inventor: FUJISAKI KAZUHIRO
IPC: G06F17/30
Filed: 1987-07-10
Abstract: PURPOSE: To reduce line use cost and to shorten a display switch time by transmitting the input data or their related information from a terminal equipment to a partner system only when a screen unregistered in a table and processed by the partner system is required. CONSTITUTION: When the screen data while displaying aren't registered in a screen control table 22 as a display screen, a control program 21 transmits the input data (or their related information) to the partner system through a line controller 3. In such a case, when the next screen data are formed to be transmitted, or the screen data are stored in a file device 6 by the processing of the partner system, its specified number is transmitted. Thus, a data transmission amount is reduced further, and the display switch time is shortened.
Patent JP-H0351782-A (JP)
Title: Acoustic sensor with noise suppression
Inventor: DEIITAA FUERAA
IPC: G10K11/178
Filed: 1990-06-29
Abstract: PURPOSE: To enable picking up of an effective sound from an object by arranging a double sensor between a noise source and the object. CONSTITUTION: A microphone M1 directed at a noise source S is linked to a control circuit R and then, an anti-noise source A is controlled. The anti-noise source A is arranged between the noise source S and a double sensor and the double sensor is positioned in a radiation range of the anti-noise source. The microphone M1 belonging to an anti-noise system picks up a noise PS unweakened whereas an effective sound P from an object is weakened according to a front/rear ratio of the microphone as a result of directional characteristic. A microphone M2 set away from the noise source S being directed at an object to be measured properly senses and picks up the effective sound P unweakened from the object and the weakened undesired noise PS in terms of directivity.
Patent JP-S5797437-A (JP)
Title: Detection system for reaction ending point
Inventor: TSUJI NOBUHIKO
IPC: G01N33/66
Filed: 1980-12-09
Abstract: PURPOSE:To improve measurement precision by detecting the ending of reaction easily and accurately by storing the output data of a sensor and by detecting the ending point of reaction by using differences between new and old succeeding data. CONSTITUTION:The reaction current of a glucose sensor is processed by A/D conversion 22 and the result is supplied to a CPU. The CPU samples the input data at prescribed intervals of time and stores data at each point of time in a prescribed area DR of an RAM. At this time, the CPU calculates mean values of groups of new data D1-D3, and old data D4-D6 to find differences between respective mean values and, when the difference decreases below a prescribed value, detects the ending of reaction. Then, the point where up-to-date data D1 is obtained is regarded as the ending point of the reaction.