baber/WOPTO huggingface dataset:
Patent JP-2002054995-A (JP)
Title: Thermal type infrared ray detecting element, infrared ray image pickup device having this and method of manufacturing thermal type infrared. ray detecting element
Inventor: OGAKI HISASHI
IPC: H01L37/02
Filed: 2000-08-10
Abstract: PROBLEM TO BE SOLVED: To obtain high detecting sensitivity by stably improving infrared ray absorptivity in a specific wave length band or a wide wave length band in a thermal type infrared ray detecting element. SOLUTION: In this thermal type infrared ray detecting element having an infrared ray refracting film thermally changed by energy of an incident infrared ray, the infrared ray absorptivity and the detecting sensitivity in the specific wave length band and the wide wave length band are enhanced by forming the infrared ray refracting film of a semiconductor film or a film having a level difference in an infrared ray spectrum having the wave length near 10 μm.
Patent JP-2002055128-A (JP)
Title: Ac signal measuring instrument
Inventor: SHINAGAWA TAKANOBU
IPC: G01R19/25
Filed: 2000-08-11
Abstract: PROBLEM TO BE SOLVED: To provide an AC signal measuring instrument capable of performing a precise measurement in a shortest display renewing period by eliminating the data section not reflected in the measurement even in a measuring signal of any waveform. SOLUTION: This AC signal measuring instrument for determining the instantaneous value of a measuring signal and a variety of measurement values obtained by subjecting it to a variety of arithmetic processing comprises a build up detecting means for detecting the build up of the measuring signal; a measurement control part for generating a measurement start signal and a measurement end signal in the first build up after a predetermined fixed time from the build up of the measuring signal; an arithmetic circuit for inputting the measuring signal and performing the arithmetic processing to a measurement data obtained during the period from the generation of the measurement start signal to the generation of the next measurement start signal;  and a control circuit for reading the operation result of the arithmetic circuit by the generation of the measurement end signal to determined the measurement values of the measuring signal.
Patent JP-2002052719-A (JP)
Title: Ink jet recording head
Inventor: TAKADA MASAYUKI
IPC: B41J2/045
Filed: 2000-08-11
Abstract: PROBLEM TO BE SOLVED: To prevent leakage of ink or intrusion of air due to thermal deformation at a sealing part between an intermediate plate constituting a manifold channel and a manifold member, and to prevent growth of a bubble generated in the manifold channel by enhancing the ink resistance. SOLUTION: Under a state where an intermediate plate 3 and a manifold member 6 are combined, a second space part 6d to be filled with a sealant is made in the intermediate plate 3 and the manifold member 6 and a first elastic sealant exhibiting a high ink resistance is applied to the manifold channel 6b side of the second space part 6d. Furthermore, a second sealant having a low air permeability is applied to the side opposite to the manifold channel 6b side of the first sealant.
Patent JP-2002060828-A (JP)
Title: Method for smelting steel plate for thin sheet
Inventor: SASAI KATSUHIRO
IPC: C21C7/10
Filed: 2000-08-11
Abstract: PROBLEM TO BE SOLVED: To provide a method for smelting molten low-carbon steel for blank for thin steel sheet with which the surface flaw can be securely prevented by performing deoxidation mainly focusing on Ti so as not to generate alumina inclusion. SOLUTION: In this melting method for low-carbon thin steel sheet, the molten steel having MgO-Ti mixture added is cast after decarburizing the carbon concentration to <=0.01 mass%. The mixing ratio of MgO and Ti in the MgO-Ti mixture is preferably be >=0.5 in terms of (mol quantity of Ti)/(mol quantity of MgO), and it is necessary that MgO content is made to be >=30 mass% and Ti content is made to be >=20 mass% in the MgO-Ti mixture. Further, the MgO-Ti mixture is added so that the MgO content in the MgO-Ti mixture changes from 0.01 mass% to 1 mass% of the molten steel quantity.
Patent JP-2001086650-A (JP)
Title: Charging and discharging control circuit for battery
Inventor: SHU ANKA
IPC: H01M10/44
Filed: 2000-08-14
Abstract: PROBLEM TO BE SOLVED: To attain a charging and discharging control circuit for a battery, capable of charging a battery and fully discharging a battery and attaining simple and easy control and highly accurate control of charging and discharging current. SOLUTION: This charging and discharging control circuit for a battery includes a power supply part 1, a current regulating circuit 2, and a feedback control circuit 4. The power supply part 1 supplies power needed for respective circuits, and the current regulating circuit 2 outputs current to a battery sample 3 for charging and discharging. A charging mode is obtained by connecting the positive and negative poles of the battery sample 3 with the current regulating circuit 2 through a normal pole, and a discharging mode is obtained by connecting them through a reverse pole.  The current regulating circuit 2 can control the magnitude of current outputted to the battery sample 3, and the feedback control circuit 4 is provided with reference voltage and reference current, which are series-connected or parallel-connected with the battery sample 3 respectively to obtain the current flowing through the battery sample 3 and the voltage of the battery sample 3. They are compared with the reference current and the reference voltage, and feedback voltage is then outputted to the current regulating circuit 2. In response to it, the current regulating circuit 2 regulates the magnitude of output current; thus it is possible to control the values of charging voltage and discharging current of the battery sample 3.
Patent JP-2001062048-A (JP)
Title: Relay terminal base board for pachinko game machine
Inventor: UGAWA SHOHACHI
IPC: A63F7/02
Filed: 2000-08-16
Abstract: PROBLEM TO BE SOLVED: To surely prevent erroneous wiring by permitting the colors of a plurality of lamp connecting terminals to coincide with the colors concerning the wiring of a plurality kind of lamps and permitting the colors of the plurality of lamp connecting terminals to be mutually different in a relay terminal base board where the plurality of lamp connecting terminals are arranged. SOLUTION: A relay terminal base board 90 is arranged in a game machine and a main game device connector group 91 is arranged nearly in the center of it, where wiring from a variable prize winning ball device as a main game device is connected and which is constituted of the arrayal of four main game device connectors 91a-91d in two vertical rows. Then a control base board connector group 92 which is constituted of the vertical arrangement of three control base board connectors 92a-92c is arranged at the outer vertical parts of the connector group 91. Moreover, a sub-game device connector group 93, which is constituted of the vertical arrangement of respective four sub-game device connectors among the eight connectors 93a-93h, is disposed at the outer vertical parts of the connector group 92. Information indicating the kinds of sub-game devices and the colors of wiring are printed in the neighborhood of the connector group 93 so that erroneous wiring is prevented.
Patent JP-2002064335-A (JP)
Title: Balanced frequency multiplier for microwave or millimeter wave
Inventor: UCHINO HIDEYUKI
IPC: H03B19/14
Filed: 2000-08-18
Abstract: PROBLEM TO BE SOLVED: To suppress an unwanted fundamental wave and odd-order higher harmonic waves contained in the output and to strengthen even-order higher harmonic waves to be provided. SOLUTION: An input signal SI of a frequency (f) is distributed by a signal branching part and supplied to the gate of an FET 15A grounding the source and the source of an FET 15B with the AC ground of the gate, and the output signals of the FET 15A and 15B are synthesized by a signal synthesizing part. As an amplitude attenuating element, an open stub is connected to a transmission line 19B of this signal synthesizing part. The length of the open stub 24 is not generally the integer multiple of λ/4 in respect to a wavelength λ of the input signal SI and is controlled so that a difference between the amplitudes of double waves contained in drain voltage signals SD1 and SD2 of the FETs 15A and 15B can be almost zero in simulation.  The open stub 24 itself is a phase compensating element but by connecting the open stub 24 to the transmission line 19B, the transmission characteristics of the FET 15B are changed as well and as a result, the open stub 24 functions as an amplitude attenuating element.
Patent JP-2002064092-A (JP)
Title: Selective oxidizing method and manufacture of semiconductor device
Inventor: SUZUKI TAMITO
IPC: H01L29/792
Filed: 2000-08-21
Abstract: PROBLEM TO BE SOLVED: To suppress occurrence of a bird's beak in a selective oxidizing method. SOLUTION: A silicon nitride film 16 is formed on the surface of an amorphous silicon layer 14 using a vertical low pressure thermal CVD system. An insert speed is raised to 300-600 [mm/min] or the heating temperature at inserting is lowered to 400-600 [ deg.C] so that no poor thermally oxidized film is grown on the surface of the amorphous silicon layer 14 when a semiconductor substrate 10 is inserted into a reactive chamber of the thermal CVD system. After a hole corresponding to a gate electrode pattern is formed at the silicon nitride film 16, the surface of amorphous silicon layer is selectively oxidized with the silicon nitride film 16 as a mask. As a result, such silicon oxide films 18A and 18B as have little bird's beak are provided. The material for elective oxidizing may be a single crystal silicon or polysilicon.
Patent JP-2002064149-A (JP)
Title: Semiconductor device
Inventor: UTO SHINYA
IPC: H03K17/16
Filed: 2000-08-22
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device suppressing an increase in an area of an element in the device having an analog switch circuit, a capacitance element and a noise cancelling circuit for reducing a switching noise. SOLUTION: The noise cancelling circuit has a noise cancelling element 22 having a gate electrode F formed on an N-type semiconductor layer and an adjacent inter-element isolating region L via a gate insulting film 32 and connected to a gate electrode C of an N-ch MOSFET 4 and a P-type semiconductor layer connected to an output wire D. The cancelling circuit further has a noise cancelling element 24 having a gate electrode E formed on a P-type semiconductor layer and an adjacent inter-element isolating region L via a gate insulating film 32 and connected to a gate electrode B of a P-ch MOSFET 2 and an N-type semiconductor layer connected to an output wire D.
Patent JP-2002071130-A (JP)
Title: Method of discriminating adhesion of clinker of pulverized coal burning boiler
Inventor: KEGA HISASHI
IPC: F23D1/00
Filed: 2000-08-24
Abstract: PROBLEM TO BE SOLVED: To provide the method of discriminating the adhesion of clinker of a pulverized coal burning boiler which is capable of discriminating whether a burner throat is adhered with the clinker, preventing the burnout of a burner by suspending the permission of the ignition of the burner when the burner throat is adhered with the clinker, avoiding degrading the heat concentration of a furnace, and preventing the damage of the furnace by the fallen clinker by removing the adhered clinker at an early stage. SOLUTION: Whether or not a burner throat 2 is adhered with clinker 16 is discriminated based on a detecting signal 12 from a flame detector 11.
Patent JP-2002067883-A (JP)
Title: Wiper arm head
Inventor: MURAMATSU MASAMI
IPC: B60S1/34
Filed: 2000-08-25
Abstract: PROBLEM TO BE SOLVED: To solve a problem that reinforcement filler unevenly concentrates in a part of the inside of a hinge shaft or a void is generated inside the hinge shaft not to secure natural strength of a resin and to generate unevenness of strength of an arm head inside and to deteriorate strength of the arm head from lacking of even stress distribution characteristics when reinforcement filler such as glass fiber is filled in a formed resin material and is concentrated around the hinge shaft to reinforce the hinge shaft of the arm head. SOLUTION: A bearing part 11 receiving a drive shaft of a wiper arm, a pair of sidewall parts 12 extending from both sides of the bearing part 11 and hinge shafts 13, 20 put between a pair of the sidewall parts 12 and bridging the both sidewalls 12 and receiving an end part of the wiper arm are formed as one body. A hole from one sidewall 12 toward another sidewall part 12 is formed inside of the hinge shafts 13, 20.
Patent JP-2002072459-A (JP)
Title: Photo-acid generating agent and photosensitive resin composition containing the same
Inventor: TOMITA KYOICHI
IPC: C09K3/00
Filed: 2000-08-28
Abstract: PROBLEM TO BE SOLVED: To provide a new photo-acid generating agent having satisfactory photodegradation efficiency and a photosensitive resin composition containing the agent. SOLUTION: The photo-acid generating agent has a structure of formula 1, wherein R1 and R2 are the same or different and are each aryl, alkyl, cycloalkyl or perfluoroalkyl or together form aryl, alkyl, cycloalkyl or perfluoroalkyl and A is aryl, alkyl, cycloalkyl or perfluoroalkyl.
Patent JP-2002073698-A (JP)
Title: Earthquake-resistant design method for building
Inventor: FUKUCHI YOSHIAKI
IPC: G06F17/50
Filed: 2000-08-29
Abstract: PROBLEM TO BE SOLVED: To provide an earthquake-resistant design method for designing an earthquake-resistant building by properly evaluating the panels which constitute the walls. SOLUTION: The bearing load-displaced variable of every wall of a building is calculated from plural panels which constitute the walls (S100) and thereby the panels constituting the walls are properly evaluated to attain the earthquake- resistant design of the building. Meanwhile, a graph of bearing load-displaced variable of every wall and a graph based on the earthquake motions of building are displayed at a time (S28). Thus, the display is possible to immediately understand whether the proof stress of every wall is satisfactory or not.
Patent JP-2002078381-A (JP)
Title: Controller for permanent magnet motor
Inventor: HOJO YOSHIHISA
IPC: H02P6/06
Filed: 2000-08-30
Abstract: PROBLEM TO BE SOLVED: To provide a permanent magnet motor, with which overvoltage will not add to an inverter device, by suppressing the rise of voltage generated in a motor terminal, even when it becomes impossible to control the inverter device for same reason. SOLUTION: In an inverter device 3, which transmits a high-speed revolution command to a motor 6 in a power constant control region, a reactor 5 for demagnetization connected in series to an opening and closing part 4 is provided between that inverter device 3 and a motor 6 (permanent magnet motor). This is a controller for a permanent magnet, which protects the inverter device 3 from overvoltage, by lowering the generated voltage of a motor 6 through means of the reactor 5 for degeneration, when the above inverter device 3 looses its control.
Patent JP-2002067358-A (JP)
Title: Method for driving ink jet head
Inventor: KUSUNOKI MASAMUNE
IPC: B41J2/045
Filed: 2000-09-04
Abstract: PROBLEM TO BE SOLVED: To provide a method for driving an ink jet head for controlling a quantity of an ink drop to be ejected from the same nozzle to obtain gradation printing with high speed and quality. SOLUTION: The method comprises a nozzle 12 for ejecting ink, an ink ejection chamber 10 linked with the nozzle 12, a diaphragm 11 provided as a part of the ejection chamber 10, and an electrode 14 provided oppositely to the diaphragm 11. The ink drop is ejected from the nozzle 12 by deforming the diaphragm 11 by utilizing an electrostatic force generated between the diaphragm 11 and the electrode 14. In a driving form that a plurality of pulse voltages are applied between the diaphragm 11 and the electrode 14 in one driving cycle and a plurality of ink drops are ejected, at least each of a second or succeeding pulse voltage is applied at a driving interval (T-delay) which is >=1/4×Ta and <=Ta, if Ta stands for a natural oscillation period from the time a previous pulse is applied until a non-abutting time.  Such a pulse width is a period which is >=1/2Tb+(n-1)Tb and <=nTb (n is >=1 and an integer), if Tb stands for a natural oscillation period at an abutting time.
Patent JP-2002075699-A (JP)
Title: Insertion type polarization generating equipment
Inventor: KITO HIROSHI
IPC: H01F7/02
Filed: 2000-09-05
Abstract: PROBLEM TO BE SOLVED: To provide insertion type polarization generating equipment having a composition that, to obtain energy of high brightness by increasing the frequency of the magnetic field, board-like pole pieces which have thick board-thickness to an extent that cannot be fixed with bolts, and magnets, can be anchored mechanically by arranging them alternatively, in the insertion type polarization generating equipment using the magnetic circuit in which the pole pieces and the magnets are fixed tightly by anchoring mechanically. SOLUTION: A laminate that is formed by sandwiching a board-like magnet 13 with a pair of board-like pole pieces 10 and 10, is arranged in fixing previously on an upper face of a holder using a pole piece clamp element 30 enabling bolt-fixing on the upper face of the holder, which has nail sections 31 for inserting the laminating body in a groove section 10a, by preparing the groove section 10a beforehand on both end face section of each board-like pole pieces 10 and 10. Next, the board-like magnets are arranged in fixing in these both sides using a magnet clamping element having dent parts in which projection parts prepared on both end face sections can be inserted. The laminate in which the board-like magnets and the board-like pole pieces are laminated in the board thickness direction by the necessary pattern by turns, is arranged and fixed mechanically.
Patent JP-2002081360-A (JP)
Title: Ignition device for internal combustion engine
Inventor: SUZUKI TAKAHIRO
IPC: F02P15/00
Filed: 2000-09-06
Abstract: PROBLEM TO BE SOLVED: To provide an ignition device for internal combustion engine having a connection structure with an ignition coil to an ignition plug making it hard to produce, by vibration, a variation in a contact resistance or interruption of a conductive route for applying an igniting high voltage produced by the ignition coil to the ignition plug. SOLUTION: A connection electrode 31 electrically connected to one end of the secondary winding of the ignition coil 27 is provided on the forward inner side of a casing part 33. The connection electrode 31 is formed into a cylindrical shape, and comprises an elastic part 31a formed in a curved shape having an elasticity in the radial direction toward the center axis of a cylinder. The incoming terminal 13 of the ignition plug 11 is inserted from the forward side of the casing part 33, and disposed in the cylindrical part 31d of the connection electrode 31. Thus, the incoming terminal 13 of the ignition plug 11 comes into contact with the connection electrode 31, and the incoming terminal 13 of the ignition plug 11 is electrically connected to one end 27a of the secondary winding of the ignition coil 27 to form the conductive passage.
Patent JP-2002082018-A (JP)
Title: Method and device for measuring refractive index distribution of preform for optical fiber
Inventor: SHIMIZU YOSHIMASA
IPC: G01N21/41
Filed: 2000-09-07
Abstract: PROBLEM TO BE SOLVED: To provide a refractive index distribution measuring method and device capable of speedily and accurately measuring a refractive index distribution of a preform for an optical fiber. SOLUTION: In this method of measuring a refractive index distribution inside the preform by transmitting light through the preform for the optical fiber and measuring a position of the transmitting light, this refractive index distribution measuring device moves an optical table 4 having a light radiating part 1 for transmitting light into the perform 2 and a light detecting part 3 for measuring a position of the transmitted light in the crossing direction of the perform 2, generates a positional data taking signal at a constant time interval, measures the position of the transmitted light with the light detecting part 3 based on the signal, measures a position of the optical table 4, and processes data of two positions obtained by simultaneous measurement.
Patent JP-2002078955-A (JP)
Title: Sheet panel and game field using the panel
Inventor: OZAWA YOICHI
IPC: E04C2/36
Filed: 2000-09-08
Abstract: PROBLEM TO BE SOLVED: To provide a sheet panel and a game field, the usable area of which can be increased while retaining inductiveness due to a magnetic force, which facilitates mounting when using for a game, is optimal for a game using water and can be supported with sufficient strength by using a sheet panel having a honeycomb structural plate. SOLUTION: A sheet panel 1 used for a game in which pieces arranged on a field are moved in an optional direction at an optional speed by a magnet having a moving means arranged below the field and which comprises a fiber reinforced plastic for forming the field, is made up of a flat plate 2 arranged on the piece side, a flat plate 3 arranged on the magnet side, and a honeycomb structural plate 4 connected between both flat plates, and formed to a thickness that allows control of the pieces by the magnet.
Patent JP-2002093342-A (JP)
Title: Color cathode-ray tube
Inventor: MIYAGAWA KOICHI
IPC: H01J29/48
Filed: 2000-09-08
Abstract: PROBLEM TO BE SOLVED: To provide a cathode-ray tube that is equipped with an electron gun which prevents generation of a moire by appropriately correcting the beam shape by the electrostatic quadrupole lens for beam shaping and which has a high resolution property by obtaining a good focus property in the wide area of the screen picture. SOLUTION: The cathode-ray tube comprises an in-line type electron gun which is equipped with a plurality of electrostatic quadrupole lenses mutually separated from each other and in which the front stage electrostatic quadrupole lens LA that is for beam shaping and positioned close to the cathode has a lens intensity of the electrostatic quardrupole lens acting on the side beam made weaker than the lens intensity of the electrostatic quardrupole lens acting on the central beam out of plural electron beams.
Patent JP-2002094513-A (JP)
Title: Communication network system and path connection control method
Inventor: SEKI TAKASHI
IPC: H04L12/70
Filed: 2000-09-11
Abstract: PROBLEM TO BE SOLVED: To provide a path connection control method by which node units can momentarily attain path connection control at a pre-designated time and to provide a communication network system. SOLUTION: A network management unit 10 supplies path control information in advance to node units 20 being components of an ATM network before a designated time comes, each node unit can increment the time synchronously with a network synchronization clock, select path control information whose time reaches a designated time and autonomously execute the path connection control.
Patent JP-2002090835-A (JP)
Title: Camera
Inventor: YUKITAKE NAMIKO
IPC: G02B7/08
Filed: 2000-09-18
Abstract: PROBLEM TO BE SOLVED: To provide a camera, capable of easily detecting the open state of a barrier using a simple constitution, dispensing with additional installations of new mechanisms. SOLUTION: The camera is provided with a lens frame 31, which is moved from a barrel-collapsing position to a photographing allowable position, a focusing lens which is driven for focusing inside the lens frame 31, and the barrier 40 arranged in the focusing range of the focusing lens and which opens/closes interlockingly with the movement of the lens frame 31, and the open/closed state of the barrier 40 is detected according to the results of the focusing lens drive control.