baber/WOPTO huggingface dataset:
Patent JP-2001158920-A (JP)
Title: Method of preventing variation of width in continuous annealing furnace
Inventor: KASEDA YOSHIYUKI
IPC: C21D11/00
Filed: 1999-11-30
Abstract: PROBLEM TO BE SOLVED: To provide a method of preventing the variation of a strip width in a continuous annealing furnace, with which the variation of the width shrinkage can be restrained by estimating the width shrinking amount in the unstationary state in the case of charging from the preceding steel strip to the succeeding steel strip, etc. SOLUTION: The steel strip temperature in the furnace and the temperature distribution in the axial direction of each hearth roll are obtained with the calculation and successively, thermal-crown shape in each hearth roll is obtained based on the temperature distribution in the axial direction. Based on the thermal-crown shape and the above steel strip temperature, the width shrinking amount of the steel strip in the furnace is calculated and successively, a tension is controlled so that the width shrinking amount coincides with a target value.
Patent JP-2001150012-A (JP)
Title: Thermal crown control method for work roll
Inventor: NISHI KEIICHIRO
IPC: B21B37/32
Filed: 1999-11-30
Abstract: PROBLEM TO BE SOLVED: To provide a thermal crown control method for work roll capable of producing constant work roll and products in shape economically without deteriorating productivity. SOLUTION: At a continuous hot finishing rolling machine 10 having multiple stands F1-F7, the material S to be rolled is rolled at the finish by opening a certain stand among F1-F7. During the process, thermal crown amounts of work roll 11 and 12 at each stand are calculated, the balances between the calculated thermal crown amounts and a prescribed threshold value are also calculated, the balances are put in order with larger values prioritized, and the stands with the work rolls 11 and 12 showing the largest balance are opened as the specified stand.
Patent JP-H03201490-A (JP)
Title: Light emitting diode array chip
Inventor: ASHIZUKA NORIHIRO
IPC: B41J2/455
Filed: 1989-12-28
Abstract: PURPOSE:To enable the light emitting section of an LED chip to be easily connected to an electrode through a usual thermo-sonic wire bonding by a method wherein a wire-bonding electrode correspondent to a light emitting section located at the end of an LED chip is formed inside the end face of the LED chip by a certain distance. CONSTITUTION:Each of wire bonding electrodes 13 is provided at a position inside a region inwardly distant from the end face of an LED chip 10 by a prescribed length of d4. Therefore, when the LED chip 10 is mounte on a wiring board 31, the wire bonding electrodes 13 hardly protrude outside of the wiring board 31 even at both its ends and all located on the board 31. In result, when the LED chip 10 is wire-bonded, heat is easily conducted and ultrasonic waves hardly decrease in effect, so that the wire-bonding electrodes 13 are easily connected to all light emitting sections 11 through a usual thermo-sonic wire- bonding method.
Patent JP-H09179048-A (JP)
Title: Multi-beam scanning optical device and laser light source
Inventor: NAIKI TOSHIO
IPC: G02B26/12
Filed: 1995-12-27
Abstract: PROBLEM TO BE SOLVED: To provide a stabilized laser light source of which plural laser beams hardly deviate in the emitting direction, by specifying a composition of a device. SOLUTION: This device is provided with a beam splitter 2 to exit approximately in a same direction the two luminous fluxes emitted from semiconductor laser 1 and 1', a colimeter lens 3 to make the two emitted luminous fluxes parallel with each other, and a scanning optical system to converge the two paralleled luminous fluxes to form an image on a scanned surface. In addition, the device is to be configured so that a condition of d.β.Pi<40000 should be satisfied. Here, (d) is the optical path length in mm of the luminous flux from the semiconductor 1' to the reflection point in the beam splitter 2. Also, β is a magnification of the entire system from semiconductor laser 1' up to the scanned surface, and Pi is the number of luminous fluxes image-formed on the scanned surface expressed by a density per inch.  Since all the optical elements other than the semiconductor lasers 1 and 1' are shared with the two laser beams, this permits the light source system to be of a compact composition.
Patent JP-2000163001-A (JP)
Title: Driving method and driving device for display panel
Inventor: HASHIMOTO YASUNOBU
IPC: G09G3/296
Filed: 1998-12-01
Abstract: PROBLEM TO BE SOLVED: To reduce power to be consumed in charging capacitance between adjacent data electrodes. SOLUTION: In the driving method for a display panel having plural scanning electrodes arranged in the column direction of a screen and plural data electrodes arranged in the row direction of the screen, prior to the addressing of a row unit controlling potentials of data electrodes in accordance with display data in synchronization with the row selection due to an individual potential control with respect to the scanning electrodes, the powers to be consumed in charging capacitances among data electrodes are calculated when addressings are performed in row selection orders as to respective plural row election orders and addressings are performed by preferentially adopting power whose calculated value is the smallest among the plural row selection orders.
Patent JP-2000166122-A (JP)
Title: Dc power supply circuit capable of being backed up by battery and dc-operated electronic equipment
Inventor: ARAYA KOICHI
IPC: H02J9/06
Filed: 1998-12-01
Abstract: PROBLEM TO BE SOLVED: To prevent overdischarging of a battery of a power source circuit provided with a battery and its switch for backup. SOLUTION: A circuit which controls a battery 1 and a load 10 for a prescribed period of time, when a switch 3 is turned on, is provided. In addition, another circuit which detects the overdischarged state of the battery 1 and cuts off the load 10 from the battery 1, upon detecting overdischarging of the battery 10 is also provided. Therefore, the deterioration of the battery 1 which backs up the load 10 by using the switch 3 due to overdischarging can be prevented by cutting off the load 10 from the battery 10 upon detecting the overdischarged state of the battery 1.
Patent JP-H05176124-A (JP)
Title: Image reader
Inventor: NISHIMURA SHINICHI
IPC: H04N1/04
Filed: 1991-12-25
Abstract: PURPOSE:To improve original detecting accuracy by validating processings excepting for binarization after changing the processing conditions of video signals obtained from an original detection part. CONSTITUTION:When video signals VD are video signals VDs obtained from an original detection part 11a, the amplification factor of an amplifier 12 is set at G2 by an amplification factor variable setting part 13, and binary video signals VR due to a slice level VH3 of a comparator 22 are outputted without executing shading correction, peak level detection and MTF correction. On the other hand, when the video signals VD are video signals VDp obtained from an image reading part 11b, the amplification factor of the amplifier 12 is set at G1, and the binary video signals VR at a slice level TH1 or TH2 are outputted according to the judged result of reading level judging equipment 27 after executing the shading correction at a shading corrector 15, the peak level detection at a peak level detector 17 and the MTF correction based on the detected result of a base level detector 25.
Patent JP-H11137340-A (JP)
Title: Freely bendable toothbrush
Inventor: HIBINO YUKIMITSU
IPC: A46B5/02
Filed: 1997-11-06
Abstract: PROBLEM TO BE SOLVED: To nearly completely brush teeth and the whole gums without leaving a not-brushed part from all angles by interposing a bending matter between a handle and a brush. SOLUTION: A user him/herself bends or rotates a toothbrush to use corresponding to a shape within a mouth or the needs of the user. The handle 1 and the brush 3 are held by both of his/her hands in the state of making the brush 3 an upper side to form corresponding to the user's needs. Forms corresponding to the needs of the user is formed on a front side 4 and a back side 5. The part of the bending matter 2 requires only an easily bendable material or a form capable of easily bending.
Patent JP-H06183368-A (JP)
Title: Steering system for crawler vehicle
Inventor: NAGASUGI AKINORI
IPC: B62D11/18
Filed: 1992-12-22
Abstract: PURPOSE:To enable turning travel without a shock and the lowering of vehicle speed, increase traction force and reduce energy loss during rectilinear travel. CONSTITUTION:Lateral driving shafts 42, 43 are provided on the lateral output sides 36, 37 of a differential gear 34 connected to the output side of an engine 30. Lateral hydraulic pump motor 40, 41 provided at the lateral driving shafts 42, 43 are connected to each other by an open circuit, and the lateral hydraulic pump motors 40, 41 are made different in capacity so that one is put in braking action and the other is put in motor action to perform laterally turning travel.
Patent JP-H10188773-A (JP)
Title: Feeder laying structure
Inventor: KONDO NAOHIRO
IPC: H02G3/00
Filed: 1996-12-20
Abstract: PROBLEM TO BE SOLVED: To surely prevent the overload of a load facility from affecting other load facilities and to easily specify the load facility overloaded. SOLUTION: In a feeder laying structure, a branch line 3 branching from a trunk 2 is provided with a branch box 4 having electric connections comprising a plurality of outlets 8, and load facilities 5 are connected to the electric connections via connecting cords 6. In this case, a branch circuit breaker 7 is placed on the branch line 3, and a separate fuse 12 having a current capacity matching the load capacity of the load facility 5 used is installed on the connecting cord 6.
Patent JP-H07165091-A (JP)
Title: Pump of power steering device for vehicle
Inventor: SUZUKI KEIJI
IPC: B62D5/07
Filed: 1993-12-15
Abstract: PURPOSE:To prevent a lowering of engine efficiency by rotating a pump at a low speed when an engine is rotated at a high speed. CONSTITUTION:A pump 14 of a power steering shaft for vehicle, of which pump shaft 17 is connected to a crank shaft of an engine 21 through a belt or the like and which feeds the pressure oil to the power steering device for vehicle, has shaft housings 43, 44, which are provided with a built-in pump shaft and arranged freely to be rotated in relation with this pump shaft and connected to a belt or the like, and electric viscous fluid 45 filled between the shaft housings and the pump shaft. Furthermore, a voltage control device 49 for applying voltage in compliance with the engine speed between the shaft housings and the pump shaft is provided.
Patent JP-2000172003-A (JP)
Title: Developer
Inventor: INOUE TOYOFUMI
IPC: G03G9/08
Filed: 1998-12-02
Abstract: PROBLEM TO BE SOLVED: To obtain a developer which hardly generates a development ghost, does not cause unevenness in image density even when the toner is allowed to stand at high temperature and high humidity, can form a stable image over a long period of time and prevents the occurrence of voids in letters even in a contact transfer system. SOLUTION: The developer contains toner particles and additives which are fine titanium dioxide particles of 30-100 nm average primary particle diameter surface-treated with a silane compound and/or a silicone oil and fine silica particles of 7-20 nm average primary particle diameter surface-treated with a silicone oil and containing 5.5-9.0 wt.% carbon derived from the silicone oil. The amount of the fine titanium dioxide particles and that of the fine silica particles are 0.3-1.2 pt.wt. and 0.8-1.6 pt.wt., respectively, based on 100 pts.wt. toner particles. The developer is preferably used as a magnetic one-component developer.
Patent JP-H11251391-A (JP)
Title: Method for measuring mutual connection coupling capacity in ic chip
Inventor: NAREIN D ALAURA
IPC: G01R27/26
Filed: 1998-12-02
Abstract: PROBLEM TO BE SOLVED: To measure sub-femtofarad mutual connection coupling capacity, by mutually shorting first and second lines, shorting the fist line on a ground face, shorting the second line on the ground face, and deciding coupling capacity between the first and second lines in accordance with a specified expression. SOLUTION: A first wiring 20 and a second wiring 21 are mutually shorted through a jumper 24, and capacity against ground 23 is measured so as to shorten first capacity (Ct). Then, the first wiring 20 is shorted to ground 23, the capacity of the combination is measured against the second wiring 21 and second capacity (C1) is obtained. Then, the second wiring 21 is shorted to ground 23, the capacity of the combination is measured against the first wiring 20 and third capacity (C2) is obtained. Coupling capacity Cc between the first wiring 20 and the second wiring 21 is calculated in accordance with the expression of Cc=(C1+C2-Ct).
Patent JP-2000168467-A (JP)
Title: Connecting structure to circuit body
Inventor: WATABE HIROSHI
IPC: H01R12/61
Filed: 1998-12-02
Abstract: PROBLEM TO BE SOLVED: To perform the electrical connection in flexible response to the arrangement of a first connection part and a second connection part without increasing the number of parts item of a panel. SOLUTION: In the structure for electrically connecting a first connection part 3 formed by exposing a first circuit body 2 provided in a panel 1 from a panel side window 9 and a second connection part 6 exposed from a second circuit body 5, the first connection part 3 and the second connection part 6 are connected to each other through a connector 7A to be freely changed in response to the arrangement for connection of the first connection part and the second connection part. The connector 7A is formed of an insulating housing main body 15, a terminal housing chamber 16 formed in the housing main body, a relay terminal inserted into the terminal housing chamber 16, and a first terminal hole 19 and a second terminal bole 20 provided in a pair of side walls 17, 18 of the housing main body provided opposite to each other and connected to the terminal housing chamber. Inserting position of the relay terminal into the terminal housing chamber is changed so as to cope with a change of the arrangement for connection of the first connection part and the second connection part.
Patent JP-H06186488-A (JP)
Title: Optical fiber driving relay
Inventor: YOSHITANI KATSUMI
IPC: G02B26/08
Filed: 1992-12-22
Abstract: PURPOSE:To surely and easily adjust an optical fiber so as to align with the optical axis by independently moving a pair of sliding plates in the axial direction and a pair of optical fiber fixing plates in the axial direction and the moving direction of a traveling object. CONSTITUTION:A sliding plate 33 is abutted on the tip part of an axial direction adjusting screw 33c energized by a spring 33b compressed and hung by a pin 33a extended from a spring receiving base 3c provided on the base part 14 of a chamber D, follows up the screw by turning the adjusting screw 33c in either a left-hand or a right-hand direction and is finely adjusted to an arbitrary position in the axial direction of the optical fiber 1 on the fixed side. An optical fiber fixing plate 31 is guided and supported by means of two pins 31a, 31b provided in parallel with the sliding plate 33, integrally moves in the axial direction of the optical fiber 1 on the fixed side together with the sliding plate 33 and, namely, the interval between the optical fiber 1 on the fixed side and the optical fiber 4 on the movable side is adjusted.
Patent JP-H03203041-A (JP)
Title: Objective lens driving device
Inventor: YAMAMOTO HIROSHI
IPC: G11B7/09
Filed: 1989-12-28
Abstract: PURPOSE:To make a whole device including a reflecting mirror thin by using an objective lens holder which surrounds the reflecting mirror and is rectangular, hollow and cylindrical at its central part. CONSTITUTION:A focus driving coil 9' consisting of a tracking driving coil 10' and two flat coils is fixed tightly to an objective lens holding frame 8' holding an objective lens 2''. Then, the frame 8' and a back yoke 16 to which the permanent magnets 17, 18 of S-pole and N-pole are fixed are fixed respectively to a base stand 13, and the lens 2'' is supported in a state it can be moved in a focusing direction and a tracking direction by upper and lower spiral springs 14. Through this constitution, the thickness of the whole device including the reflecting mirror 5' can be made thin, and simultaneously, mechanical rigidity in the focusing direction and the tracking direction can be increased, and a good frequency characteristic free from resonance up to a high frequency band can be obtained.
Patent JP-H10171816-A (JP)
Title: System for processing data
Inventor: SATO TOSHITAKA
IPC: G06F17/30
Filed: 1996-12-06
Abstract: PROBLEM TO BE SOLVED: To provide a data processing system in which the reading of object data can be efficiently attained. SOLUTION: Plural object data are grouped based on the grouping information data of each object data and a preliminarily decided result, and the grouped object data are stored so as to be made correspond to the identification data of the group. Retrieval data corresponding to the attribute of each object data are stored so as to be made correspond to the group identification data. The object data belonging to the group corresponding to the inputted retrieval data are retrieved, and the retrieved data are outputted.
Patent JP-H05169112-A (JP)
Title: Working roll for cold rolling
Inventor: KATO YASUTOSHI
IPC: B21B27/02
Filed: 1991-12-25
Abstract: PURPOSE:To enable the water quenching even if the high alloy steel excellent in wear resistance is applied to an outer layer material and to obtain a working roll with high performance for cold rolling. CONSTITUTION:The low frequency induction heating and the water quenching can be executed without breaking even if the high alloy steel excellent in wear resistance but poor in toughness is applied to the outer layer material since the outer layer part is entered in a range that the residual stress due to the low frequency induction heating and the water quenching goes to the compression stress by allowing the thickness of outer layer part to be <=1/3 of the radius of a drum part and not less than the thickness of the roll using layer and applying the material having >=10% of elongation and the reduction of area to the core material of outer layer part.
Patent JP-H03204152-A (JP)
Title: Device for fitting die in horizontal type die casting machine
Inventor: YOSHIDA YASUHISA
IPC: B22D17/22
Filed: 1989-12-29
Abstract: PURPOSE:To center an extrusion supporting plate in a movable die to an extrusion connecting plate in a movable platen and to facilitate fitting work to the die by mounting the movable die on a die laying block on a shifting base and shifting while retreating the shifting base. CONSTITUTION:The movable die C is conveyed in a die casting machine and laid on the die laying block (a4) on the shifting base (a2). Then, connecting part of extrusion supporting plate (d3) at the movable die C side and the extru sion connecting plate (d4) at the movable platen B side is centered with the die laying block (a4) set in the preset height and at the fitted position. After that, the shifting base (a2) is retreated to retreat-shifting limit of the prescribed stroke with driving mechanism and the movable die C is shifted while approaching the movable platen B side. At this time, the movable die C is fitted parallelly shifting till a die base at both sides of rear abuts on the mov able platen B and till the extrusion supporting plate (d3) is superposely connected with the extrusion connecting plate (d4) by inserting pins 2 into a connecting holes 1 with the shifting base (a2) slid on a fixed base (a1).
Patent JP-H09182951-A (JP)
Title: Device for manufacturing lead storage battery and its manufacture
Inventor: TSUCHIDA KENSAKU
IPC: H01M2/26
Filed: 1995-12-28
Abstract: PROBLEM TO BE SOLVED: To obtain a device and method for quantitative supply of molten lead that are superior in production stability by immersing the tip end of the device in a molten lead pool, absorbing the molten lead, holding it to a casting mold as it is, reducing pressure and allowing it to flow into the mold. SOLUTION: A molten lead holding part 1 is immersed in a molten lead layer 9; after the opening 11 of a heat resistant porous body 8 is fully immersed in the molten lead, a vacuum valve 5 is opened, reducing the pressure inside the porous body 8, sucking the molten lead, and filling the porous body 8 with the molten lead. In this case, the heat resistant porous body 8 is constantly heated at 500 deg.C by a heater 2. With this state of reduced pressure maintained, the molten lead holding part 1 is detached from the molten lead layer 9. In this case, the heat resistant porous body 8 is held in a state filled with a fixed quantity of molten lead. Then, the molten lead holding part 1 is moved to the casting mold, with the molten lead supplied to the mold for integrating the ear of the plate.  With the vacuum valve 5 closed and with an air valve 7 opened, the state of reduced pressure of the porous body 8 is released, so that the molten lead is fed into the mold.
Patent JP-H07163831-A (JP)
Title: Dryer for closed type cabinet
Inventor: USHIDA TADAICHI
IPC: B01D53/26
Filed: 1993-12-15
Abstract: PURPOSE:To increase housing capacity in a cabinet and to promote the natural convection and to prevent temperature rise in the cabinet by arranging a drying means which enables moisture discharge and regenerating treatment through heating a desiccating agent on the side wall of the cabinet so as not to be projected into the cabinet. CONSTITUTION:A drying unit 11, an IC timer 12 and a humidity controller are fitted to the back plate 22 of a closed type cabinet whose front is freely opened and closed by a door 21. The drying unit 11 is equipped to the cabinet by fitting the front wall 100a of a protective case 100 so as to be partially plunged into a fitting hole 22a opened in the back plate 22 of the cabinet. A desiccating agent 120 in which hexangular holes are formed in parallel is put in a drying treatment chamber 102. Heating wires are inserted into the hexangular holes and electric current is applied to a heating element 122 and the heating element is allowed to generate heat. The desiccating agent 120 is heated and regenerated. The IC timer 12 is equipped in the vicinity of the desiccating agent 120 in the side swelling part of the protective case 100 and energization of the heating element is controlled.
Patent JP-H05174493-A (JP)
Title: Method for playing disk player
Inventor: YOKOTA HACHIRO
IPC: G11B19/28
Filed: 1991-12-25
Abstract: PURPOSE:To prevent a sound cut by stopping the double-speed writing of data into a memory till detecting the end of intermusic when the start of the intermusic is detected based on a sub code and stopping reading only in a set time when the changing point of a music is detected. CONSTITUTION:The double-speed writing of the data into a shock proof memory 21 is stopped till detecting the end of the intermusic by a writing means 22b when the intermusic is detected by an intermusic detecting part 22a based on the sub code incorporated in the data. Further, the changing point of the music is detected by a music change detecting part 22d based on the sub code incorporated in the read data. At this time, the reading of the data from the shock proof memory 21 is stopped only in a prescribed time by a reading means 22c and the reading of the data from the memory with a normal speed is started again after the lapse of a setting time.