baber/WOPTO huggingface dataset:
Patent JP-2001264361-A (JP)
Title: Current sensor
Inventor: HIRAMOTO HIROYUKI
IPC: G01R15/20
Filed: 2000-03-21
Abstract: PROBLEM TO BE SOLVED: To provide a current sensor which uses a magnetic impedance element (MI element) and a low-cost and subminiatured. SOLUTION: The MI element 1 is installed on a conductive substrate 8 for a current to be sensed. A DC bias coil 2 for magnetic-flux cancellation and negative-feedback bias coil 3 are wound on the MI element 1. Both ends of the MI element 1 are connected to the bias coil 3 through sensing circuit 4. The terminating end of the bias coil 3 is connected to one end of an element 5 for output sensing. Its output is sensed across both ends of the element 5 for output sensing. Alternatively, the MI element 1 is installed on the conductive substrate 8 for the current to be sensed. Both ends of the MI element 1 are connected to the bias coil 3, wound on the MI element 1, through an initial offset circuit 7. The terminating end of the bias coil 3 is connected to one end of the element 5 for output sensing. Its output is sensed across both ends of the element 5 for output sensing.
Patent JP-2001264646-A (JP)
Title: Interference optical filter module device
Inventor: KAWASUGI MASAHIRO
IPC: G02B26/00
Filed: 2000-03-21
Abstract: PROBLEM TO BE SOLVED: To improve the characteristics of a filter module used in a wavelength division multiplexing optical communication device. SOLUTION: On both sides of two planes containing a long side of a frame 10 of the filter module, collimators 11 and 12, and 13 and 14 are attached making them mutually oppose. Triangle pole-like prisms 19 and 20 are disposed symmetrically between them. Then, a filter 23 having prescribed wavelength transmission characteristics and a mirror 24 are arranged according to an optical axis between them. The light of the specific wavelength thereby, can be extracted from multiplex light and applied. An interval of the optical axis can be shortened and an angle of incidence can be reduced. Furthermore, an optical propagation distance can be shortened.
Patent JP-2001263229-A (JP)
Title: Motor-driven compressor
Inventor: OTA YUJI
IPC: F04B27/10
Filed: 2000-03-21
Abstract: PROBLEM TO BE SOLVED: To provide a motor-driven compressor capable of reducing size and weight and easily securing an arranging space when used for an air conditioner of a passenger car. SOLUTION: A housing chamber 6 is constituted of an area surrounded by a cylinder block 2 and a front housing 3, and a compression mechanism 7 and an electric motor 8 for driving the compression mechanism 7 are arranged in the housing chamber 6. A rotor 14 of the electric motor 8 is constituted by laminating a large number of silicon steel plates 15, and both ends are provided with end plates 16 for fixing the silicon steel plates 15 to a driving shaft 9. A lug plate 17 integrally rotatably fixed to the driving shaft 9 is integrally formed with one end plate 16. A swash plate 18 is supported by the driving shaft 9 so as to be slidable and tiltable in the axial direction, and can slide and tilt to the driving shaft 9 via the lug plate 17 and a hinge mechanism 19, and can integrally rotate with the driving shaft 9.
Patent JP-2001266547-A (JP)
Title: Signal-recorder
Inventor: YANO SHIYUUMEI
IPC: G11B27/00
Filed: 2000-03-24
Abstract: PROBLEM TO BE SOLVED: To provide a signal recorder capable of correctly managing data by restoring management information even when the management information is not recorded due to the hit of the recorder or the like. SOLUTION: The signal recorder prepares a table 50 for managing user data in a magnetooptocal disk. A plurality of items 54 for managing a Valid flag 52 and one user data are formed in the table 50. Recording of the user data and recording of the management information on the user data concerned into the item 54 are performed after changing the Valid flag 52 into a reset state when recording the user data, then the Valid flag 52 is changed into a set state. When the Valid flag 52 is in the reset state during the recording and reproducing of the user data, the recorded user data are searched, and the user data in which the management information is not recorded are specified, then the management information on the user data concerned is recorded in the item 52. Subsequently, the Valid flag 52 is changed into the set state.
Patent JP-2001270650-A (JP)
Title: Recorder
Inventor: KOMORI MASAYOSHI
IPC: B65H35/08
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To improve the reliability of a recorder in cutting recording paper. SOLUTION: Cutting means 8 has a fixed cutter 10, a movable cutter 11 movable to the fixed cutter 10 and a holder 12 for supporting the movable cutter 11. The holder 12 has a thrusting portion 14 provided in the moving direction of the moving cutter 11 for thrusting the recording paper 4 against the fixed cutter 10.
Patent JP-2001271106-A (JP)
Title: Method for opening iron tapping hole in blast furnace
Inventor: HASEGAWA SHINJI
IPC: C21B7/12
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To shorten a hole opening time by reducing a wearing a bit and raising a hole opening speed for the opening of a deep iron tapping hole and at a high temperature by boring the tapping hole in a blast furnace with a drill. Generation of lateral holes is reduced because the boring can be continued by solidifying the oozing of molten iron and slag from the lateral hole with a large quantity of mists. SOLUTION: When the iron tapping hole is opened, water is added to blow gas made to flow through the inner part of the drill and also, the added quantity of water is increased during the boring.
Patent JP-2001271676-A (JP)
Title: Engine control device for construction machine
Inventor: SAKAI NORIYUKI
IPC: F02D29/00
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To prevent rapid lowering of engine speed in starting the operation of a hydraulic actuator of a construction machine and prevent deterioration of fuel consumption and exhaust gas. SOLUTION: In this engine control device 14 for construction machine, in which a main pump 3 driven by an engine 2 is provided, an oil path of the main pump 3 is connected to a control valve 4 of the hydraulic actuator, the control valve 4 is operated by a remote control valve 5 and the engine 2 is constituted, so as to have prescribed torque by controlling fuel flow rate by a command signal from a controller 8, a pressure switch 16 is provided on a pilot oil path 15 of the control valve 4, the pressure switch 16 is connected to the controller 8 and fuel is increased and supplied by prescribed quantity to the engine 2 by a command signal from the controller 8, when the operation of the control valve 4 for operating the hydraulic actuator is detected by a pressure switch 16.
Patent JP-2001272774-A (JP)
Title: Method for producing pattern formed body
Inventor: KOBAYASHI HIRONORI
IPC: G02B5/20
Filed: 2000-03-23
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a pattern formed body capable of efficiently forming a pattern comprising parts different from each other in wettability by energy irradiation. SOLUTION: The method for producing a pattern formed body has (1) a photocatalyst-containing layer forming step in which a substrate is prepared and the photocatalyst-containing layer containing at least the photocatalyst and a binder is formed on the substrate as a layer whose wettability is varied in such a way that the contact angle to a liquid is reduced by the action of the photocatalyst attendant on energy irradiation, (2) a sensitivity enhancing treatment step in which the photocatalyst-containing layer is subjected to sensitivity enhancing treatment to enhance the catalytic activity of the photocatalyst and to enhance the sensitivity of the photocatalyst-containing layer and (3) a pattern forming step in which the surface of the photocatalyst-containing layer is patternwise irradiated with energy to form a pattern comprising parts different from each other in wettability.
Patent JP-2001270340-A (JP)
Title: Hydraulic continuously variable transmission device
Inventor: ISHII NOBUHIRO
IPC: F16H39/14
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To easily carry out the assembling and disassembling work for a hydraulic continuously variable transmission device assembled inside a housing in order to be used. SOLUTION: The process for assembling the hydraulic continuously variable transmission device to the housing 23 includes the first process (1) and the second process (2). In the process (1), a subassembly 375 is comprised of several or all items, which are assembled to a pimp shaft 26 outside the housing 23, of a component group constituted of a cylinder block 46, a swash plate 76, a swash support 350 constituted separately from the housing 23, a center section 75 and the like and retaining rings 352, 353 fitted into the pump shaft 26 at both end positions of the component group. In the process (2), the subassembly 375 is assembled to the housing 23.
Patent JP-2001271553-A (JP)
Title: Damper unit
Inventor: CHIKASHIGE KIYOSHI
IPC: E05F3/22
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To provide a damper unit capable of being always opened and closed with appropriate friction and excellent in durability at a low cost. SOLUTION: A damper unit includes a first frame 1, a second frame 2 coaxially placed to the first frame 1, a shaft 3 placed to the first frame 1 in a rotatable manner and fixed to the second frame 2, a cam flange 4 coaxially placed and making one main surface as an inclined plane 4b inclined to one side of the circumferential direction, a coil type screw 5 press-in fixed between the inside surface 1a of the first frame 1 and the other main surface 4a of the cam flange 4, a male screw 6 fitted to the coil type screw 5 coaxially fixed to the shaft 3 and a pin 7 coming into contact with the inclined plane 4b of the cam flange 4 fixed to the second frame 2, the shaft 3 is rotated and, at the same time, the pin 7 moves to the circumferential direction while coming into contact with the inclined plane of the cam flange 4,  and a pitch of the coil type screw 5 pushed by the cam flange 4 is changed to change the torque of the shaft 3.
Patent JP-2001271900-A (JP)
Title: Eccentricity driving device
Inventor: NAKAMURA TATSUMI
IPC: C21D1/42
Filed: 2000-03-28
Abstract: PROBLEM TO BE SOLVED: To arbitrarily adjust revolution radius in a simple structure, when driving an object to revolve it in an orbit which is not on its axis. SOLUTION: A bearing 322a is fitted to the lower face of a support plate 310 for supporting the object. A first rotating sleeve 322c is rotatably provided inside the bearing 322a. A second rotating sleeve 322d is provided inside the first rotating sleeve 322c. The second rotating sleeve 322d is rotated in a fixed position by a rotating drive shaft 321. The inner peripheral surface of the first rotating sleeve 322c is inclined by a specified angle in one direction with respect to the rotational centerline. The outer peripheral surface of the second rotating sleeve 322d is inclined by a prescribed angle in one direction, corresponding to the inner peripheral surface of the first rotating sleeve 322c.  The first rotating sleeve 322c and the second rotating sleeve 322d are rotated synchronously in the circumferential direction and are relatively movable in the direction of the rotational center. With this relative movement, the eccentricity quantity of the bearing 322a to the rotating drive shaft 321 is adjusted to an arbitrary value including zero.
Patent JP-2001270383-A (JP)
Title: Head lamp system for vehicle
Inventor: ISHIDA HIROYUKI
IPC: B60Q1/16
Filed: 2000-03-28
Abstract: PROBLEM TO BE SOLVED: To provide a head lamp system for a vehicle capable of controlling plural lamp units accommodated in a lamp body to execute the illumination in accordance with a vehicle traveling situation, without giving the feeling of incompatible to a driver of a car running on the opposite lane and impairing the appearance of the lamp. SOLUTION: The illumination of plural lamp units 36L, 36R, 38L and 38R accommodated in lamp bodies 34 of a pair of left and right head lamps 10L and 10R are controlled corresponding to a steering angle. Here, the illumination is controlled by controlling a dimmer for increasing and decreasing the quantity of illumination light of each lamp unit 36L, 36R, 38L and 38R while keeping the lighting condition of all of these lamp units 36L, 36R, 38L and 38R. Thereby, the misunderstanding that the passing operation is executed, by the driver of the car running on the opposite lane or a walker, can be prevented, and the partial darkening inside of the lamp bodies 34 can be prevented.
Patent JP-2001280515-A (JP)
Title: Egr valve
Inventor: KONNO YUKIO
IPC: F16K1/38
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To reduce the pressure loss of an EGR valve. SOLUTION: This EGR valve 1 for an engine has an EGR passage 4 which leads EGR gas to an exhaust passage from an intake passage, and an poppet valve element 10 opening and closing the EGR passage 4. The valve element 10 has a poppet like guide part 13 projecting against a flow of the EGR gas.
Patent JP-2001284670-A (JP)
Title: Piezoelectric actuator, ink-jet head, and ink-jet type recording device
Inventor: HARA SHINTARO
IPC: H01L41/09
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a piezoelectric actuator comprising a thin piezoelectric film of high voltage-resistance, an ink-jet head comprising it, and an ink-jet type recording device. SOLUTION: As an actuator of an ink-jet head 1, a piezoelectric actuator 16 is used which has a perovskite type structure comprising Pb, Zr, and Ti and is provided with a piezoelectric film of 1-10 μm in thickness. Related to the piezoelectric film 18, its permittivity is 150-500, a plane where an X-ray diffraction peak is maximum is a (001) plane, a dielectric los is 5% or less, Pb/(tr+Ti)=1.1-1.5, and a plurality of piezoelectric thin films 18a and 18b having different composition ratio are stacked.
Patent JP-2001282460-A (JP)
Title: Data transfer controller
Inventor: KAYANO TAKEHITO
IPC: G11B20/10
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To obtain a data transfer controller with which data transfer is performed smoothly and failure is reduced to the utmost. SOLUTION: In the data transfer controller to perform data transfer control by providing a RAM 2 to temporarily store data between an ENDEC 1 to convert the data to be inputted and a HOST I/F 4 to control transmission and reception of the data of a computer and a BM 3 to control storage of the data into the RAM 2 and transmission of the data from the RAM 2 based on a request signal to be transmitted from the ENDEC 1 and the HOST I/F 4, a cache means 5 to perform the data transfer control is further provided between the ENDEC 1 and the BM 3.
Patent JP-2001276521-A (JP)
Title: Apparatus for blowing air to filter
Inventor: NAGANO YOJI
IPC: B23H11/00
Filed: 2000-04-03
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus for blowing air to a filter with which the replacement work of filters is made easy, the pollution in the surrounding the secondary side facilities is suppressed, and the product lives of these facilities can be prolonged. SOLUTION: The apparatus for blowing air is assembled in a water channel through which wastewater pumped up by a pump is passed to a filter between the pump and the filter so as to blow an air through a check valve from an air compressor to push out the wastewater clogging the filter and is provided with a safety valve for releasing the excess pneumatic pressure.
Patent JP-2001292581-A (JP)
Title: Vibration actuator
Inventor: SUZUKI TOMOAKI
IPC: H02N2/00
Filed: 2000-04-06
Abstract: PROBLEM TO BE SOLVED: To provide a vibration actuator which assures a stable drive AC voltage, having a requency element required for a vibrator and a short period required for re-driving the actuator itself. SOLUTION: In a vibration actuator comprising an electric-mechanical energy conversion element, a vibrator for generating resonance vibration in a prescribed frequency, a relative moving member which relatively shifts for the vibrator and a drive circuit 61 for generating an AC voltage, of which the voltage applied to the electric-mechanical energy conversion element changes periodically, to the relative moving vibrator and relative moving material through excitation of the elliptical vibration at least at a part of an elastic material. The drive circuit 61 comprises a power supply 608 for supplying drive power, an AC voltage generator 602 for generating an AC voltage according to the frequency for exciting the vibrator and an idle current switching means for reducing the power consumed in the AC voltage generator, when the vibration actuator is not driven.
Patent JP-2000352112-A (JP)
Title: Housing framework structure
Inventor: TANAKA TAKUMI
IPC: E04B2/56
Filed: 2000-04-07
Abstract: PROBLEM TO BE SOLVED: To provide a framework structure capable of constructing a housing framework within a short time by simple work by making use of standardized components produced by a factory. SOLUTION: A housing framework 1 is so constituted that rectangular frame bodies 2(1), 2(2), 2(3)... having the same structure are connected to each other. The frame body 2(1) is so constituted that L-type steels (1)-3(4) having the same section are connected to each other in a stage to open their L-type sections to the outsides of them. The frame bodies 2(1) and 2(2) are adjacently arranged on the same plane, L-type steels 3(1) and 3(3) as frame constituent members standing face to face with each other are held between frame body joint members L-type steels 4(1) and 4(2) from both sides, and they are connected to each other under such a state.  By using the same shaped frame bodies and frame body joint members having the same cross section, the frame bodies can be connected in the shape of a plane, three frame bodies are can be connected in a T-shape, and four frame bodies can be also connected in a T-shape. Accordingly, housing framework structure can be constructed by such simple work as the frame bodies are connected to each other.
Patent JP-2001294023-A (JP)
Title: Pneumatic tire
Inventor: OKUNO SATOSHI
IPC: B60C11/11
Filed: 2000-04-11
Abstract: PROBLEM TO BE SOLVED: To improve driving performance or the like in an advancing direction while suitably securing side skid resistant performance or the like in a width direction by scheming an arrangement of circumferential grooves and circumferential sipes. SOLUTION: Blocks 7 and 8 partitioned by the circumferential grooves 4 and width direction grooves 5 are provided circumferentially aligned in a tread part 2, and circumferential sipes 11 and 12 are formed in the blocks 7 and 8. The circumferential groove 4 has a first groove part 4A, and a second groove part 4B circumferentially adjacent to the first groove 4A and formed offset in the width direction. Circumferential sipes 11B and 12B of the blocks 7 and 8 partitioned by the second groove 4B are formed offset with respect to circumferential sipes 11A and 12B of the blocks 7 and 8 partitioned by the first groove 4A in the same direction as the offset direction of the second groove 4B with respect to the first groove 44.
Patent JP-2001293845-A (JP)
Title: Fitting device for sheetlike material in printing installation
Inventor: KIYAMA HAJIME
IPC: B41F27/12
Filed: 2000-04-13
Abstract: PROBLEM TO BE SOLVED: To provide a fitting device for a sheetlike material in a printing installation, in which the sheetlike material equipped with the plate of a magnetic material can be easily fitted and removed to/from a member for fitting such as a drum. SOLUTION: In such the fitting device for a sheetlike material that a form plate 80 being the sheetlike material equipped with the plate of a magnetic material is fitted on a member for fitting by means of the forces of attraction of a magnet 14 fitted to a drum 5 being the member for fitting, the device is constituted so that the magnet 14 is made proximate to the fitting face of the form plate 80 by a spring 15 being a pressing member and separated from the fitting face by a form plate-removing mechanism 12.
Patent JP-2001297794-A (JP)
Title: Nonaqueous electrolyte secondary cell and electrolyte used by the same
Inventor: KOTADO MINORU
IPC: H01M10/05
Filed: 2000-04-17
Abstract: PROBLEM TO BE SOLVED: To provide a cell with safety and excellent charging and discharging efficiency and cycle characteristics at high temperature and a long shelf life. SOLUTION: The nonaqueous secondary cell uses the nonaqueous electrolyte, with fiashing point of more than 70 deg.C, containing more than 90 weight % of at least one kind of nonaqueous solvent selected from organic solvents whose relative dielectric constant is more than 25, further, at least one kind of vinylene carbonate compound shown by the formula (I) is added to the above nonaqueous electrolyte. In the formula, R1 and R2, independent with each other, represents hydrogen atom or alkyl group whose number of carbon is 1-4.
Patent JP-2001308439-A (JP)
Title: Light emitting module and its assemblying method
Inventor: SAKAMOTO MASAMITSU
IPC: H01S5/022
Filed: 2000-04-20
Abstract: PROBLEM TO BE SOLVED: To provide a light emitting module where an interval between a condensing lens and a pin hole is strictly regulated and an irradiated laser beam is uniformly maintained to be thin for a long valid detection range. SOLUTION: The light emitting module is provided with a laser diode arranged on one end side of a light guide formed in a frame; the condensing lens which is arranged on the other end side of the light guide, converges the laser beam emitted from the laser diode, and forms the laser beam; and a pin hole board which is arranged close to the opposite side of the laser diode with respect to the condensing lens, and narrows the laser beam. In the condensing lens, the peripheral edge of the incident face side enlarges the other end side of the light guide and it abuts on a reference plane formed in the frame in a step. The pin hole board is fixed to the frame so that the other end side opening of the light guide is blocked. A collar for regulating the interval of the condensing lens and the pin hole board is inserted between them.
Patent JP-2001300427-A (JP)
Title: Winnowing machine
Inventor: MURAO KENJI
IPC: B07B4/02
Filed: 2000-04-21
Abstract: PROBLEM TO BE SOLVED: To make a winnowing machine possible to cope with objects to treated with various specific gravities. SOLUTION: In the winnowing machine wherein a cylindrical winnowing machine main body 10 is provided so that one end part thereof is inclined downward and a air supply means 40 for sending air into the winnowing machine main body 10 is provided to one end part of the winnowing machine main body 10 and the object 50 to be crushed charged in the winnowing machine main body 10 from the charging pot 13 formed to the main body 10 is sorted into a heavy object 50a to be crushed discharged on the side of the one end part of the winnowing machine main body 10 by the inclination of the main body and a light object 50b to be crushed discharged on the side of the other end part of the winnowing machine main body 10 by the air of the air supply means 40, the winnowing machine main body 10 is provided in a freely tiltable manner to be adjustable in its angle of inclination.