baber/WOPTO huggingface dataset:
Patent JP-2002098146-A (JP)
Title: Hydraulic dynamic bearing and spindle motor provided with the same
Inventor: ICHIYAMA YOSHIKAZU
IPC: H02K7/08
Filed: 2000-09-22
Abstract: PROBLEM TO BE SOLVED: To equalize a quantity of retention of a lubricating liquid held in each bearing part and to obtain a stabilized rotation, in composing a pair of radial hydrodynamic bearing parts separated by an air inclusion part and a pair of thrust hydrodynamic bearing part each adjacent thereto. SOLUTION: One or the other of a pair of radial hydrodynamic bearing part 28a, 28b, is arranged each other adjacent to one or the other of a pair of thrust hydrodynamic bearing part 32a, 32b, a pair of thrust hydrodynamic bearing part or a pair of radial hydrodynamic bearing part has a function to perform a pumping action each respectively toward the adjacent direction, at least one interconnecting path 34 which communicates each outer circumferential edge of a pair of thrust fine clearances is provided in a sleeve body 6a, a lubricating liquid retention portion 34a with fine clearance which retains the lubricating liquid by surface tension over almost all entire length of the interconnecting 6 path and an air passage portion 34b with large clearance are provided, and the air passage portion 34a is connected to the air inclusion part 20.  Further, an interconnection control part 19 which reduces the sealing power of the lubricating liquid by changing partially radial direction dimension or axial direction dimension and enables an intercommunication of the interconnecting path to the bearing external is formed in the radial direction clearance.
Patent JP-2002098527-A (JP)
Title: System for generating surveying draft such as topographic map
Inventor: UNESAKI MASAKAZU
IPC: G01C15/00
Filed: 2000-09-25
Abstract: PROBLEM TO BE SOLVED: To provide a surveying draft generating system that simplifies contents of an information collected at a surveying site so as to save working time at the surveying site. SOLUTION: A surveying point at the surveying site is measured using a measuring device, and a result measured by the measuring device is stored in an electronic site notebook, and at a working site differing from the surveying site the measured data stored in the electronic site notebook is read so as to generate the surveying draft in the system for generating surveying draft such as a topographic map and the like. The measured data includes a land category attribute information classifying structures at each surveying point, a site information indicating a position of coordinate data or the like, and a connection information judging whether a connection to the next surveying point should be performed or not.  A diagram relating to the structure is generated from the site information and the connection information, and the land category attribute information is displayed on the diagram in the system for generating surveying draft such as the topographic map and the like.
Patent JP-2002096605-A (JP)
Title: Pneumatic tire
Inventor: SASAKA NAOHIRO
IPC: B60C1/00
Filed: 2000-09-25
Abstract: PROBLEM TO BE SOLVED: To provide a pneumatic tire which exhibits stable performances regardless of road surface conditions such as dry, wet, ice-covered or snow-covered and is improved in its wet performance and dry performance, while maintaining its superior performances against ice and snow. SOLUTION: This pneumatic tire is characterized by possessing at least a tread part composed of a tread pattern with a snow traction index(STI) of 150 or higher and by containing at least 0.5-10 pt.wts. of short fibers per 100 pt.wts. of rubber components in the tread part. Desirable short fibers are 0.01-0.1 mm in average diameter and 0.5-10 mm in average length, and consist of at least one type of polyethylene short fibers, polypropylene short fibers, aliphatic polyamide short fibers, aromatic polyamide short fibers, polyester short fibers and polyvinylacohol short fibers.
Patent JP-2002097925-A (JP)
Title: Diesel particulate filter of multilayer felt structure
Inventor: SUZUKI SHOGO
IPC: F01N3/02
Filed: 2000-09-27
Abstract: PROBLEM TO BE SOLVED: To provide a diesel particulate filter of multilayer structure having high capturing efficiency of particulates in exhaust gas from the beginning of capture with a large effect of emission control of exhaust from a diesel engine. SOLUTION: In this diesel particulate filter 1, capturing PM in exhaust gas and controlling the exhaust emission a felt 11, 13 of rough structure and a felt 12, 14 of close structure are formed by laminating at random an inorganic fiber or metal fiber, to be layered by at least two sets or more or two layer-one set making the structure rough and close from the upstream to the downstream relating to circulation of the exhaust gas, so as to form a felt-state layer unit 10, a heat resistant wire net 15 capable of carrying a current is arranged in at least one surface of the felts 11, 12, 13, 14 of this felt-state layer unit 10, so as to form a filter member 20, this diesel particulate filter 1 is formed by using this felt member 20.
Patent JP-2002107782-A (JP)
Title: Lens moving device
Inventor: TANAKA NOBUYUKI
IPC: G03B5/00
Filed: 2000-09-27
Abstract: PROBLEM TO BE SOLVED: To provide a lens moving device capable of being miniaturized and improving moving precision by rotating a cam member in the peripheral direction of a lens and moving the lens in a direction perpendicular to an optical axis. SOLUTION: The lens moving device is provided with pins 5, 6 capable of moving integrally with the lens 2, a guide cylinder 7 allowing the reciprocated movement of the lens 2 only in a fixed direction perpendicular to the optical axis O of a lens optical system having the lens 2 and a cam cylinder 8 forming cam faces 8a, 8b formed so as to be rotated around the optical axis O to abut the pins 5, 6 and capable of moving the lens 2 in the fixed direction through the pins 5, 6 by rotating around the optical axis O. Thus the lens 2 can be accurately moved in the direction intersecting with the optical axis O by controlling the rotation of the cam cylinder 8. In addition, the moving mechanism of the lens 3 can be simplified and miniaturized.
Patent JP-2002104825-A (JP)
Title: Manufacturing method of crystalline titanium oxide single molecular film
Inventor: YAMAKI TETSUYA
IPC: C01G23/053
Filed: 2000-09-28
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method of a TiO2 single molecular film. Namely, to turn TiO2, which is useful as such photo-functional materials as photocatalyst, into a single-molecular film with controlled surface pressure and area, by utilizing bi-lyophilic molecule of organic ammonium at a boundary between vapor and liquid. SOLUTION: In manufacturing a single-molecular film of crystalline TiO2 with thickness of around 1 nm at a boundary between vapor and liquid, a) an orthorhombic layered cesium titanate (CsxTi2-x/4O4, x=0.60-0.75) is reacted with an acid solution to synthesize a laminar titanate HxTi2-x/4O4.H2O in powder. The powder is dispersed and agitated in an amine solution to spall the laminar crystal into thin pieces of anisotropy shaped micro-crystal with thickness of 1 nm or less and width of about 1 μm. A hydrosol suspending thin pieces of TiO2 micro-crystal is then formed. b) An organic ammonium molecule is extended above the surface of the hydrosol for complex formation with thin pieces of TiO2 micro-crystal to form the TiO2 single-molecular film c) The surface pressure of the TiO2 single-molecular film is kept at 0.1 mN-1m-70 mNm-1, and its surface area is controlled to 1 cm2-800 cm2.
Patent JP-2002108979-A (JP)
Title: Device and method for processing information, quality control system and recording medium
Inventor: MURAKAMI YOSHIAKI
IPC: G06Q50/00
Filed: 2000-09-28
Abstract: PROBLEM TO BE SOLVED: To perform consistent quality control by exchanging and managing information between sections. SOLUTION: A main computer 1 receives the entries of various information from a personal computer(PC) 2 in a production section, PC 6 in a technology section or PC 8 in a quality guarantee section, performs problem extracting processing or the like on the basis of information retrieved from an intra-office database server 5, displays the result and records it in a trend database 3 or outputs required information to the other section. The PC 6 in the technology section adjusts a problem on the basis of information inputted through an intra- office LAN 4 and performs supporting processing for solving the problem. The PC 8 in the quality guarantee section adjusts a problem on the basis of information inputted through the intra-office LAN 4 and determines the change contents of an examination method or saves a change history.
Patent JP-2002103977-A (JP)
Title: Sunroof device for vehicle
Inventor: OTA KATSUTOSHI
IPC: B60J7/02
Filed: 2000-09-29
Abstract: PROBLEM TO BE SOLVED: To provide a sunroof device for a vehicle, having an improved feel of opening in a fully open condition by enlarging an opening portion and increasing an opening area during fully opening. SOLUTION: A lid 3 is split into a front lid 31 and a rear lid 32. The front lid 31 is first tilted up with the opening drive of a driving unit in a fully closed condition and then the front lid 31 as tilted up is slid backward and put in a semi-open condition approaching right before the rear lid 32. Further, the rear lid 32 is moved down with the opening drive of the driving unit and then the front lid 31 in the semi-open condition and the moved-down rear lid 32 are slid backward until the front lid 31 reaches the upper part of the roof 1 behind the opening portion and the rear lid 32 is put in a fully open condition, stored in a storage portion 6 at the lower part of the roof behind the opening portion.  With the closing drive of the drive unit, the front lid 31 in the fully open condition and the rear lid 32 are operated in sequence in opposite directions to those in the opening drive and put in a fully closed condition.
Patent JP-2002105114-A (JP)
Title: CATALYST FOR STEREOREGULAR POLYMERIZATION OF alpha-OLEFIN AND METHOD FOR PRODUCING STEREOREGULAR alpha-OLEFIN POLYMER
Inventor: FUJIWARA YASUKI
IPC: C08F4/6592
Filed: 2000-09-29
Abstract: PROBLEM TO BE SOLVED: To obtain a single-site catalyst for stereoregular polymerization of an α-olefin capable of providing a polymer having a uniform polymer particle diameter when the single- site catalyst is applied to polymerization (e.g. slurry polymerization, vapor-phase polymerization or bulk polymerization) accompanying the formation of α-olefin polymer particles and to provide a method for producing the stereoregular α-olefin polymer capable of providing the polymer having the uniform polymer particle diameter when the catalyst is used and applied to the polymerization (e.g. the slurry polymerization, vapor-phase polymerization or bulk polymerization) accompanying the formation of the α-olefin polymer particles. SOLUTION: This catalyst for stereoregular polymerization of the α-olefin is obtained by bringing (A) modified particles prepared by binging (a) dried particles into contact with (b) an organometallic compound and then bringing the resultant product into contact with (c) a compound having a functional group having an active hydrogen or a proton-nondonating Lewis basic functional group and an electron attractive group into contact with (B) a transition metal compound having the stereoregular polymerizability for the α-olefin or bringing the particles (A) into contact with the transition metal compound (B) and (C) an organometallic compound. The method for producing the stereoregular α-olefin polymer uses the catalyst for polymerizing the α-olefin.
Patent JP-2002116509-A (JP)
Title: Image forming device
Inventor: HIROOKA ATSUSHI
IPC: H01S5/068
Filed: 2000-10-04
Abstract: PROBLEM TO BE SOLVED: To improve image quality by stabilizing exposure intensity in a photographic processing device to perform exposure with light whose intensity is modulated. SOLUTION: The photographic processing device is equipped with a laser beam source (a red LD 10R, a green SHG laser unit 10G and a blue SHG laser unit 10B), and a modulator (AOMs 12R, 12G and 12B) modulating the intensity of a laser beam from the laser beam source, and forms an image by exposing photographic paper P showing developed color density in accordance with the exposure intensity with the laser beam whose intensity is modulated by the modulator. The laser beam source is provided with a light source temperature adjusting means for adjusting the temperature of the laser beam source. In the device, the fluctuation of the intensity of the laser beam in the case of exposing photosensitive material caused by temperature change in the device is restrained. As a result, stable exposure is realized and the quality of the image to be formed is improved.
Patent JP-2002118265-A (JP)
Title: Method for fabricating semiconductor device
Inventor: NAKAMURA OSAMU
IPC: H01L21/20
Filed: 2000-10-06
Abstract: PROBLEM TO BE SOLVED: To solve a problem that a metallic element used for assisting crystallization of a semiconductor film causes to damage stability or reliability of the electric characteristics at the time of fabricating a TFT. SOLUTION: A semiconductor film is crystallized using a metallic element for assisting crystallization of the semiconductor film. An impurity element is added selectively to the crystallized semiconductor film at a temperature of 200 deg.C or below. Since an impurity element is added under a low temperature, amorphous state can be attained with a small quantity of impurity element. Recovery of crystallinity and gettering can be efficiently performed by subsequent heat treatment.
Patent JP-2002116443-A (JP)
Title: Liquid crystal device
Inventor: KIKUCHI MASAMI
IPC: G02F1/1337
Filed: 2000-10-10
Abstract: PROBLEM TO BE SOLVED: To provide a small-size liquid crystal device so as to use the liquid crystal device as an optical element. SOLUTION: The liquid crystal device is obtained by laminating two substrates on which electrodes and alignment films are formed with a sealing agent 1 while ensuring a gap. Conductive particles having a specified particle size are mixed in the sealing agent to electrically connect the substrates through the conductive particles. The electrode pattern 3 of the electric connecting part of the substrate is square and the alignment film 2 is made almost circular.
Patent JP-2002121480-A (JP)
Title: Coating composition
Inventor: SAKASHITA YOSHIAKI
IPC: C03C17/25
Filed: 2000-10-12
Abstract: PROBLEM TO BE SOLVED: To provide a coating composition capable of forming a coating film which gives a sufficient strength to the surface of a substrate, especially glass, has sufficient alkali durability, even when the thickness of the coating film is small, and scarcely generates iris. SOLUTION: This coating composition comprising (a) a zirconium compound in which a β-diketone and/or a β-ketoester are coordinated, (b) at least one silane compound selected from the group consisting of alkoxysilanes and alkoxysilane oligomers, and, if necessary, a solvent.
Patent JP-2002119113-A (JP)
Title: Plant shearing machine
Inventor: ISHIDA ISAO
IPC: A01G7/00
Filed: 2000-10-13
Abstract: PROBLEM TO BE SOLVED: To provide a plant shearing machine capable of solving problems that a space for traveling a traveling body such as a traveling wheel is limited in a field and there is a fear of causing the lowering of the operating efficiency in shearing operations of plants and efficiently carrying out shearing operations of the plants in the plant shearing machine capable of shearing the plants cultivated in a cultivation greenhouse or a field such as an open field at a prescribed height. SOLUTION: This plant shearing machine is obtained by installing a shearing blade 11 for shearing the plants movable in the direction intersecting the forward direction of the machine body relatively to a traveling part 6 and rotatable and movable around a shaft in the vertical directions and further composing left and right traveling bodies 2 and 5 arranged in the traveling part 6 so that the interval between the left and the right traveling bodies 2 and 5 can be changed and regulated in the plant shearing machine.
Patent JP-2002120542-A (JP)
Title: Operation device
Inventor: IWAMA SHINJI
IPC: B60H1/00
Filed: 2000-10-18
Abstract: PROBLEM TO BE SOLVED: To facilitate change of the disposition of operation switches and to reduce the number of wires and terminals related to the operation switches in an air conditioner. SOLUTION: This operation device is provided with the multiple operation switches 21-24 for allowing an occupant to set a blow-off mode (air conditioner control state), multiple display parts 12-15 displaying functions allotted to the respective operation switches on a screen 11, a storage means 40 storing multiple allotted patterns of the functions of the respective operation switches and the contents of the respective display parts, and a selecting means 50 selecting a pattern out of the multiple allotted patterns. This constitution can substantially change the disposition of the operation switches by changing the functions of the respective operation switches and the contents of the respective display parts without physically moving the respective switches and the respective display parts.
Patent JP-2002129946-A (JP)
Title: Exhaust emission purifying device for internal combustion engine
Inventor: ARAKAWA MIYAO
IPC: F01N3/08
Filed: 2000-10-19
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust emission purifying device for internal combustion engine capable of effectively purifying exhaust gas by suppressing an excessive electric discharge due to reduction in an impedance in a discharging space. SOLUTION: A target value of value of current passed to a discharge electrode 21 is stored in advance in the current supply quantity memory unit inside an ECU 13 to execute an appropriate discharge to cope with a driving state of an engine 30 even when impedance in discharge space is reduced. When the actually measured value of the value of current passed to the discharge electrode 21 received from a current probe 19 is larger than the target value, a current limit circuit part 18 limits the value of current passed to the discharge electrode 21 on the basis of an instruction from the ECU 13.  On the other hand, when the actually measured value of the value of current passed to the discharge electrode 21 is less than the target value, a DC/DC converter 14 raises the value of current passed by raising the voltage to be applied to the discharge electrode 21 received from the current probe 19 on the basis of instructions from the ECU 13.
Patent JP-2002130756-A (JP)
Title: Ventilation fan
Inventor: TABATA YOSHINOSUKE
IPC: F24F7/013
Filed: 2000-10-24
Abstract: PROBLEM TO BE SOLVED: To make a mounting hole for a ventilation fan small, and enhance amount of ventilation, and moreover reduce noise. SOLUTION: A ventilation hole 1 provided in a room is connected with the coupling part 10 of the exhaust duct 6 of a blower part 4 provided outdoors by ventilation duct 3. The above blower part 4 is equipped with a blast fan 8 and a motor 9 within a case 7, provided with an intake port 5 and an exhaust duct 6, and it blows air from the blower part 4, and makes the pressure of the coupling part 10 negative, and sucks indoor air from the ventilating port 1 connected to the ventilating duct 3, thus ventilating. At this time, increasing the quantity of blast of the blower part 4 can enhance the quantity ventilated. Moreover, since the blower part 4 is located outside, the ventilation fan can inhibit the penetration of noise of the motor 9 or the fan 8 into a room. Also, since there is no need for attaching a fan into the mounting hole, this can be made small in size.
Patent JP-2002132236-A (JP)
Title: Video display device
Inventor: SAKAI TAKESHI
IPC: G09G5/391
Filed: 2000-10-19
Abstract: PROBLEM TO BE SOLVED: To provide a video display device wherein it is possible to not only- enlarge but also reduce a picture, and further to finely set the scaling rations, and the video of high quality is after size transformation is obtained. SOLUTION: An interpolation coefficient generating circuit of a video size transformation processing circuit for transforming a video size comprises a scaling ratio setting circuit (24) for setting a scaling ratio, an offset value setting circuit (23) for setting a prescribed offset value, a switch (21) for inputting an output (3) of the offset value setting circuit to one (d) of the input terminals, a delay circuit (25) for delaying the output of the switch (21) and outputting it as an interpolation coefficient, and an adder (28) for summing the outputs of the delay circuit (25) and the scaling ratio setting circuit (24) and outputting the sum to the other input terminal (c) of the switch. Then, the change-over control of the switch is performed, using a carrying signal from this adder (28).
Patent JP-2001194784-A (JP)
Title: Photosensitive polyimide precursor composition
Inventor: YUMIBA TOMOYUKI
IPC: G03F7/038
Filed: 2000-10-25
Abstract: PROBLEM TO BE SOLVED: To obtain a photosensitive polyimide precursor composition having good suitability to patterning, giving a cured film excellent in adhesion to a sealing resin and producible in a short producing step without carrying out the reprecipitation of a polymer and to obtain a method for producing the composition. SOLUTION: The photosensitive polyimide precursor composition is obtained by reacting (a) a polymer or oligomer having a structural unit of formula 1 (where R1 is a tri- or tetravalent >=2C organic group; R2 is a divalent >=2C organic group; R3 is H, an alkali metal ion, an ammonium ion or at least one of 1-30C organic groups, 30-100 mol% of R3 is H; and (n) is 1 or 2) with (b) a vinyl ether compound of formula 2 (where R4 is a 1-30C organic group and 50-100 mol% R4 is an organic group containing a photosensitive group).
Patent JP-2002128201-A (JP)
Title: Connection device for refuse container
Inventor: AKIYAMA KAZUO
IPC: B65F1/00
Filed: 2000-10-26
Abstract: PROBLEM TO BE SOLVED: To provide a connection device for refuse container to facilitate a work for dumping classified refuse and for collecting each refuse container containing the segregated refuse at one place. SOLUTION: This connection device is used for connecting, to each other, two refuse container 2 and 2 formed of a bottom plate part 2a positioned slightly above the lower end of a body part 2b, the body part 2b projected downward from the bottom plate part 2a, and a step part formed of the lower end of the body part 2b and the bottom plate part 2a. The device comprises a metal bar 3 formed into a U-shape, a lower end receiving hardware 6 installed at the lower end of two bar parts 5 and 5 of the metal bar 3 in the state of the metal bar 3 erected so that the U-shaped part of the metal bar 3 is positioned at the upper end of the body part, and an engaging hardware 7 engaged with the upper end of two refuse containers 2 and 2 having the upper end thereof placed on the lower end receiving hardware 6.