baber/WOPTO huggingface dataset:
Patent JP-2002242857-A (JP)
Title: Thrust bearing
Inventor: SAKAI TAKESHI
IPC: F04C18/02
Filed: 2001-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a thrust bearing of high load capacity to support a thrust load by interposing between two members taking eccentric rotational motion between themselves. SOLUTION: The thrust bearing is furnished with a first bearing ring 12 fixed on the first member 10, a second bearing ring 22 fixed on the second member 20, an intermediate ring 30 arranged between the first bearing ring 12 and the second bearing ring 22, a plural number of first rollers 14 arranged between the first bearing ring 12 and the intermediate ring 30, a first holder 16 to hold the first rollers 14 so that their rolling shaft centers come to be in parallel with each other, a plural number of second rollers 24 arranged between the second bearing ring 22 and the intermediate ring 30, and a second holder 26 to hold the second rollers 24 so that their rolling shaft centers come to be inparallel with each other.  The rolling shaft centers of the first rollers 14 and the rolling shaft centers of the second rollers 24 are orthogonal with each other, the holders 16, 26 are of a roller guiding type, and a clearance is positively formed between the bearing rings 12, 22 and the intermediate ring 30.
Patent JP-2002239673-A (JP)
Title: Press device and manufacturing method of pressed article
Inventor: TATSUTA TOMONORI
IPC: B21J5/00
Filed: 2001-02-19
Abstract: PROBLEM TO BE SOLVED: To provide a press device capable of reducing the fraction defective and excellent in production efficiency. SOLUTION: The press device comprises a pressing machine 1, an operation panel 2, a speaker 3 and a monitor 4. The operation panel 2 and the speaker 3 are provided in an operation room 5. The monitor 4 is disposed close to the pressing machine 1. A work 8 to be pressed is disposed between an upper die 6 and a lower die 7. An operator 11 operates the operation panel 2, and inputs the rolling-down dimension. The input rolling-down dimension is input in a display unit 10 of the operation panel 2, and at the same time, output as the sound from the speaker 3. The operator 11 visually checks the display unit 10 and checks the sound. The operator 11 checks for any errors in the rolling-down dimension input by himself. The input rolling-down dimension is also displayed on the monitor 4.  A worker who understands the condition of the work 8 checks the display of the monitor 4, and determines whether or not the rolling-down dimension is suitable for the work 8.
Patent JP-2002247032-A (JP)
Title: Cipher communication device and its method
Inventor: WATANABE YOSHINORI
IPC: H04L12/70
Filed: 2001-02-19
Abstract: PROBLEM TO BE SOLVED: To improve the packet throughput of a cipher communication device provided with a plurality of ciphering/deciphering processing parts allowed to be driven in parallel. SOLUTION: A main control part 43 copies fixed information not to be updated in each packet processing out of definition information concerned with a packet ciphering/deciphering processing method to respective security processing parts 44 for executing ciphering/deciphering processing. Respective securing processing parts 4 are allowed to execute the generation of additional information and the adding processing of the additional information to each packet. On the other hand, the main control part 43 calculates variable information to be updated in each packet processing executed by each security processing part 44 and updates a definition information mater table 4351.
Patent JP-2002241861-A (JP)
Title: Rotating body for stirring molten metal
Inventor: HAMAYOSHI SHIGEYUKI
IPC: C04B35/584
Filed: 2001-02-20
Abstract: PROBLEM TO BE SOLVED: To provide a rotating body for stirring molten metal with which erosion resistance is sufficiently secured and cracking caused by heat stress can be prevented. SOLUTION: This rotating body is composed of a silicon nitride-sintered body consisting essentially of the silicon nitride, and a thermal conductivity and a four point bending strength of the silicon nitride sintered body at a room temperature are >=70 W/(m.K) and >=600 MPa respectively.
Patent JP-2002252111-A (JP)
Title: Superconducting magnet device
Inventor: HIROSE RYOICHI
IPC: F25B9/00
Filed: 2001-02-22
Abstract: PROBLEM TO BE SOLVED: To further facilitate maintenance and inspection or exchange of the cold storage type refrigerator of a superconducting magnet device. SOLUTION: The superconducting magnet device has a superconducting magnet (1), arranged in a vacuum vessel (7) and maintains the magnet (1) at a low temperature by cooling the magnet (1), by means of the cold storage type refrigerator (3). The magnet (1) is arranged in the vessel (7), in such a way that a very cooling end section (3b) of the refrigerator (3) can come into thermal contact with the magnet (1). In addition, heaters (9a and 9b) are arranged on a cylinder (21) of the machine (3) or a member connected thermally to the cylinder (21), so as to heat the cylinder (21). Consequently, only a displacer (20) incorporated in the cylinder (21) can be taken out in a state in which the cylinder (21) is heated.  Moreover, a heat switch (4) that turns on/off the thermal connection between the most-cooled end section (3b) of the refrigerating machine (3) and superconducting magnet (1) is provided.
Patent JP-2002251136-A (JP)
Title: Distributed digital signature forming method and device, method and device of forming digital document with distributed digital signature, distributed digital signature forming program, and memory medium storing distributed digital signature forming program
Inventor: HOTTA HIDEKAZU
IPC: H04L9/08
Filed: 2001-02-22
Abstract: PROBLEM TO BE SOLVED: To make it impossible to form correct partial digital signatures when the single point of divulgation in not made present and unless all of partial digital signatures organs form the correct partial digital signatures. SOLUTION: The respective partial digital signatures are formed by using the partial signature keys formed by distributed processing for the Hash values of inputted digital documents and sets of the formed partial digital signatures or the inputted digital documents and the partial digital signatures are formed. The partial digital signatures are combined by as much as the number of pieces of predetermined thresholds and are subjected to conversion processing, by which the integrated digital signature is formed.
Patent JP-2002251088-A (JP)
Title: Fixing device
Inventor: FUJITA TAKASHI
IPC: G03G15/20
Filed: 2001-02-23
Abstract: PROBLEM TO BE SOLVED: To provide a fixing device which can prevent transfer paper transportation inferiority and image turbulence due to accumulation of static electricity and can assure releasing property of small change even when a surface wears by obtaining a belt which has durability to bending of small radius, can attain miniaturization of the device and is excellent in heat resistance and durability. SOLUTION: The fixing device is constituted of an endless fixing belt 52 for carrying the transfer paper, a heating member and a fixing roller for spreadingly laying the fixing belt 52, a pressing roller arranged to face the fixing roller via the fixing belt and the heating member having a heater on its surface. In the fixing belt 52, strength and size stability are obtained by a fiber layer 62, a smooth surface is assured by making a layer 63 made of a fluorine resin and heat resistant rubber thicker than the fiber layer 62 and the releasing property can be assured even when the surface wears since the fluorine resin and the heat resistant rubber are integrated.
Patent JP-2002250909-A (JP)
Title: Liquid crystal display device and its driving method
Inventor: OGAWA SHINJI
IPC: G02F1/133
Filed: 2001-02-27
Abstract: PROBLEM TO BE SOLVED: To solve the problem that a transition from a splay alignment state to a bend alignment state is difficult at a low temperature in an OCB mode liquid crystal display device and a pixel which is not completely transferred to the bend alignment state and remains in the splay alignment state looks like a luminescent spot defect, in particular, in the case of a liquid crystal display device in an automobile or the like used in a cold district below 0 deg.C, or in cases where it is mainly used outdoors. SOLUTION: A heating device 15 is provided in the liquid crystal display device. a splay alignment 32 state can reliably be transferred to a bend alignment 321 state also under a low temperature atmosphere by driving the liquid crystal display device so that a voltage pulse for a transition for transferring a liquid crystal layer 31 to the bend alignment 321 state may be applied between a pixel electrode 121 and a counter electrode 12 after the liquid crystal panel 41 is heated by the heating device 15.
Patent JP-2002248803-A (JP)
Title: Led print head and its adjusting method
Inventor: HACHISUGA MASAKI
IPC: B41J2/44
Filed: 2001-02-27
Abstract: PROBLEM TO BE SOLVED: To obtain an LED print head having staggered substrates arranged with a plurality of light sources in a specified direction in which nonuniformity of an image due to variation in the quantity of light can be suppressed. SOLUTION: Since variation of beam diameter with respect to the position of an LED in an LED array chip 18 and a refractive index distribution lens array 12 is such that the maximum beam diameter in the main scanning direction increases as the shift of the LED from the center of the refractive index distribution lens array 12 increases to cause nonuniform beam diameter, the beam diameter is measured by means of an image measuring camera 20 and the beam diameter of each staggered LED array chip 18 is adjusted to fall within 6 μm thus adjusting relative position of the LED and the refractive index lens array.
Patent JP-2002258494-A (JP)
Title: Method for preparing coating liquid for electrophotographic photoreceptor and electrophotographic photoreceptor using the coating liquid
Inventor: FUJIMOTO SHINGO
IPC: G03G5/00
Filed: 2001-02-28
Abstract: PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor having good potential stability and not causing image defects such as black spots, that is, to provide a method for preparing a coating liquid for an electrophotographic photoreceptor causing little inclusion of impurities and free of the deterioration of the treated surfaces of titanium dioxide particles and to provide an electrophotographic photoreceptor manufactured using the coating liquid. SOLUTION: In the method for preparing a coating liquid for an electrophotographic photoreceptor obtained by dispersing titanium dioxide particles together with a binder in a solvent, the titanium dioxide particles are dispersed using a wet dispersing machine of which the members contacting with liquid comprise silicon carbide.
Patent JP-2002258006-A (JP)
Title: Optical functional film and method of manufacturing the same
Inventor: HARADA TAKAHIRO
IPC: G02B1/115
Filed: 2001-02-28
Abstract: PROBLEM TO BE SOLVED: To provide an optical functional film and a method of manufacturing the film which is excellent in chemical resistance and which is capable of stable fast formation of the film under heat load at a low temperature with high productivity. SOLUTION: The optical functional film and the method of manufacturing the film feature that a high refractive index layer consisting of a mixture material of titanium oxide and niobium oxide with 1 to 99 wt.% mixing ratio of niobium oxide is formed on the surface of a base film.
Patent JP-2002257764-A (JP)
Title: Inspection device for film defect of turbine blade and its method
Inventor: KUBO TAKAHIRO
IPC: G01J5/48
Filed: 2001-02-28
Abstract: PROBLEM TO BE SOLVED: To provide an inspection device for film defects of a turbine blade easily, accurately detecting the defects of a film covering the blade surface and provide a method therefor. SOLUTION: This inspection device for film defects of the turbine blade is equipped with a film defect inspecting monitoring part 7 placed on a rotating table 6 rotatably supported to a mounting 5, freely movable in front and in rear and aslant on each axis of an X axis, a Y axis, and a Z axis to the turbine blade 1 installed in a turbine shaft 2; a controller 8 controlling the movement in front and in rear and slanting movement of the film defect inspecting monitoring part 7; and an infrared image signal processing part 9 imaging the temperature distribution of the film 3 based on a signal from the film defect inspecting monitoring part 7.
Patent JP-2002223663-A (JP)
Title: Mesh panel for rearing crawl for salmon or the like
Inventor: ABE TSUTOMU
IPC: A01K63/00
Filed: 2001-01-29
Abstract: PROBLEM TO BE SOLVED: To provide a mesh panel for a rearing crawl for salmon or the like prevented from the damage and escape of caught parent fishes such as salmon for securing fish roes to be hatched, prevented from breakage accidents due to e.g. water level rise such as at the river, and capable of labor saving in its replacement due to the panel structure so as to secure both the safety and convenience in such labor-related operations. SOLUTION: This mesh panel has a grid-like construction with elongated interstices (5), being such that a plurality of rodlike materials (1) such as rigid pipes are arranged at specified intervals in tiers and in parallel to each other, and longitudinal reinforcing crosspieces (3) and T-shaped joints (2) or the like are vertically collocated at respective any positions between the rodlike materials (1) and on both ends (1a) of the rodlike materials (1), respectively, via rodlike materials (4) each of specified length such as pipes.
Patent JP-2001297092-A (JP)
Title: Information provision system and information provision method
Inventor: USHIYAMA KENICHI
IPC: G06F3/0481
Filed: 2001-03-08
Abstract: PROBLEM TO BE SOLVED: To provide an information provision system which is suitable for selecting and outputting the desired contents among those that are momentarily changing between the users who are connected to each other via a compute network such as the Internet. SOLUTION: The contents of mails, etc., and their relative position information are recorded and displayed on a map for identifying the contents. A bulletin board service 8 using the Internet 6 has a 1st selection display distribution function 27 which lists the identification information on titles, etc., of plural contents and a 2nd selection display distribution function 28 which displays the positions related with the contents on the map. Thus, the contents including the position information can be grasped and selected on the map.
Patent JP-2002266972-A (JP)
Title: Magnetic screw feeding device and door opening and closing device with usage thereof
Inventor: TAMURA AKIRA
IPC: F16H25/20
Filed: 2001-03-12
Abstract: PROBLEM TO BE SOLVED: To provide a door opening and closing device capable of smoothly opening and closing a door body with the usage of a magnetic screw feeding device capable of linearly moving a movable body in almost uniform torque and capable of stopping closing and opening of the door body in order to secure safety when external force larger than magnetic attraction force is applied. SOLUTION: Magnetizing band areas 23a and 23b having different polarity and plural magnetic screws 7 are connected to each other along an axial direction of an outer peripheral surface with a connecting shaft 13. The connecting shaft is rotatably supported by a bearing member 21. A magnetic driving shaft 3 is thus constituted. The magnetic driving shaft 3 is rotated by an electric motor 19. A magnetic nut member 23 in a shape of a semicylinder and having the magnetizing band area on an inner peripheral surface thereof is provided on the movable body with a small interval. The length of the movable body 5 along the axial direction is more than 72 of the magnetic screws. At least three of the magnetic nut members 23 having a width of covering a space between the magnetic screws 7 are provided.  The respective magnetic nut members 23 are installed in intervals of 1/an odd number (except for 1) of the length of the movable body 5.
Patent JP-2001298326-A (JP)
Title: Oscillation circuit, electronic circuit, semiconductor device, electronic equipment and clock
Inventor: KADOWAKI TADAO
IPC: H03B5/32
Filed: 2001-03-13
Abstract: PROBLEM TO BE SOLVED: To provide an oscillation circuit which can be driven with small power consumption. SOLUTION: An oscillation circuit 10 is provided with a control circuit 200 for controlling the source potential of an MOSFET 18 comprising a signal inverting amplifier 14 while utilizing a substrate bias effect. This control circuit 200 controls the threshold voltage of the MOSFET 18 to become low when turning on the power source of the oscillation circuit and controls the threshold voltage of the MOSFET 18 to become high after the oscillation of the oscillation circuit is stabilized. Thus, the stable oscillation and power consumption reduction of the oscillation circuit are enabled.
Patent JP-2002271068-A (JP)
Title: Electronic device
Inventor: IMAIZUMI NORIHISA
IPC: H05K7/20
Filed: 2001-03-14
Abstract: PROBLEM TO BE SOLVED: To provide an electronic device having improved heat releasing property. SOLUTION: A heater element 4 or the like is mounted on a surface of a ceramic board 3, and a lead 5 is projected from the ceramic board 3. The lead 5 of the ceramic board 3 is inserted into and electrically connected to a motherboard 1 at a predetermined position so that the normal line direction of the motherboard 1 and that of the ceramic board 3 are positioned generally perpendicular to each other. The motherboard 1 and the ceramic board 3 are housed between an upper case 7 and a lower case 8, and the rear surface of the ceramic board 3 is bonded to a protrusion 7a formed on the upper case 7 with a heat conductive Si adhesive 10. The thickness of this adhesive 10 is 100 μm or less.
Patent JP-2002275531-A (JP)
Title: Manufacturing method of steel having high strength and low yield ratio
Inventor: HAYASHI TORU
IPC: C22C38/00
Filed: 2001-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method of steel having a high strength and low yield ratio capable of manufacturing steel applicable to a stock for steel tubes/columns, and a manufacturing method of steel tubes having high strength and low yield ratio. SOLUTION: Steel is heated to a temperature range of >=900 deg.C and forming two phases of (γ+α), and rolled into a steel plate at the draft of >=30% in this temperature range. Successively, the steel is cooled to the temperature of <=500 deg.C at the cooling speed of >=5 deg.C/s, or tempered at the temperature of 100-650 deg.C. The cooled or tempered steel plate is bent to form a steel tube, and the steel tube is tempered at 100-650 deg.C.
Patent JP-2002273265-A (JP)
Title: Air cleaning device
Inventor: ITO YASUO
IPC: B03C3/40
Filed: 2001-03-16
Abstract: PROBLEM TO BE SOLVED: To provide a silent discharge type air cleaning device constituted so as to achieve high dust collecting efficiency. SOLUTION: When the silent discharge type air cleaning device is constituted, an undulate shape part (not shown) for forming an edge part (corner or top part) or a recessed shape part (in the Figure, many circular through-holes) is provided on the surface of the back electrode 4. As a result, a higher dust collecting efficiency is achieved since many silent discharge columns having large energy are generated starting point from the edge part.
Patent JP-2002277561-A (JP)
Title: Use mode change device for wristwatch
Inventor: SANO MAMORU
IPC: A44C5/00
Filed: 2001-03-19
Abstract: PROBLEM TO BE SOLVED: To provide a device capable of changing a wristwatch into a variety of use modes. SOLUTION: This change device comprises a support member 7 having connection parts 8 and 9 detachably attached to a pair of strap attaching parts 4 in a case 1 of the wristwatch, and a portable means 17 attached to the support means.
Patent JP-2002277658-A (JP)
Title: Optical device
Inventor: NEKADO MASANOBU
IPC: G02B6/35
Filed: 2001-03-21
Abstract: PROBLEM TO BE SOLVED: To provide an optical device capable of accurately displaying a setting function such as a switching mechanism while optically connecting optical circuits on chips with each other in an effective optical connection state. SOLUTION: A chip 9a having optical waveguides 21a, 21b formed and a chip 9b having an optical waveguide 22 formed are arranged on a substrate 1 in a state that respective optical waveguides 21a, 21b, 22 are optically connected to each other and a holding part 30 is formed so as to hold the upper and lower surfaces of the chips 9a, 9b in a state of covering the optical connection area of the connected optical waveguides 21a, 21b, 22. The holding member 30 has an elastic member 15 brought into contact with the surfaces of the optical waveguide forming area sides of the chips 9a, 9b and a plane member 16 brought into contact with the rear face of the substrate 1 and stress is applied to the member 30 by a stress applying member 12 to nip chips 9a, 9b.
Patent JP-2002275543-A (JP)
Title: Method for manufacturing ferritic stainless steel sheet having excellent formability
Inventor: KATO YASUSHI
IPC: C22C38/54
Filed: 2001-03-21
Abstract: PROBLEM TO BE SOLVED: To attain an r-value comparable to that of SUS430LX in which Ti or Nb is added to extra-low C and N in general-purpose ferritic stainless steel and also to provide ridging characteristics superior to that of the above SUS430 LX by improving the r-value and ridging characteristics of the general-purpose ferritic stainless steel represented by SUS430 without particularly causing any increase in cost. SOLUTION: In manufacturing the ferritic stainless steel by applying, after hot rolling, hot rolled plate annealing by batch annealing and then carrying out cold rolling and subsequent annealing twice respectively, the following relationships are respectively specified: the relationship between the finishing-mill delivery-side temperature at the hot rolling and the amount of strain at the first cold rolling; and the relationship between the amount of strain at the first cold rolling and the amount of strain at the second cold rolling.
Patent JP-2002274063-A (JP)
Title: Image receiving sheet for sublimation type heat-transfer
Inventor: KAWAHARA MASAYA
IPC: B41M5/50
Filed: 2001-03-22
Abstract: PROBLEM TO BE SOLVED: To provide an image receiving sheet for sublimation type heat-transfer, wherein a coating defect such as cissing is not generated, and a high density image without the deterioration of the image quality such as image uniformity can be obtained. SOLUTION: This image receiving sheet for sublimation type heat-transfer is used by being combined with a sublimation type heat-transfer sheet having an ink layer containing a dye on a base body film. The image receiving sheet for sublimation type heat-transfer has a dye image receiving layer containing at least one kind of thermoplastic resins, and an isophorone based isocyanate compound, on a base body. Also, the image-receiving sheet for sublimation type heat-transfer has a mold release layer containing a silicone resin, on the image-receiving layer. Then, the image-receiving layer contains at least one kind of interfacial active agent.