baber/WOPTO huggingface dataset:
Patent JP-2002074817-A (JP)
Title: Spindle motor and magnetic disk device
Inventor: TOMIZAWA YASUSHI
IPC: G11B19/20
Filed: 2000-08-31
Abstract: PROBLEM TO BE SOLVED: To realize a configuration in which the height of a pivotal bearing point in the direction of the thrust is moved to an optimal point according to a design of the spindle motor using a fluid dynamic pressure bearing without losing conical rigidity. SOLUTION: A shaft 101 of a rotor 105 is cylindrically formed with a center hole which is concentric in the direction of the thrust and has a contact surface 112 opposed to a stator 108. A thrust bearing part 106 in the stator 108 is put in the center hole 115 concentric with the shaft 101 and is in point-contact with the contact surface 112 of the shaft 101 and thereby pivotally bears the shaft 101 in the direction of the thrust, while a radial supporting part 107 supports the shaft 101 in the radial direction via the fluid dynamic pressure bearings 110a, 110b. The fluid dynamic pressure bearings 110a, 110b are arranged between the outer peripheral surface 113 of the shaft 101 and the inner peripheral surface 114 of the radial supporting part 107.
Patent JP-2002072676-A (JP)
Title: Developing device
Inventor: AOKI TAKESHI
IPC: G03G15/08
Filed: 2000-08-31
Abstract: PROBLEM TO BE SOLVED: To surely perform sealing without exerting adverse influence even when a regulating member is pressed to a developing roller with fixed load. SOLUTION: In this developing device, the developing roller 4 and a regulating member 1 forming a toner thin layer by regulating toner amount while pressing its edge to the roller 4 are disposed in a housing 2, and an electrostatic latent image formed on an image carrier is made visualizable as a toner image. In the device, a seal member 9 bent at an angle parallel to the surface of a supporting part 3 on a developing chamber side from the rear surface of the member 1 is stuck to the rear surface of the member 1 and arranged to seal a gap between the rear surface of the member 1 and the supporting part 3.  By bending the seal member at an angle parallel to a direction where the load is exerted on the member 1, force is hardly applied in a direction where the movement of the member 1 is hindered, and the gap of the developing chamber formed on the rear surface of the member 1 is sealed while keeping the smooth movement of the member 1.
Patent JP-2002067420-A (JP)
Title: Thermal printer
Inventor: SEGAWA MASAHIKO
IPC: B41J2/32
Filed: 2000-08-31
Abstract: PROBLEM TO BE SOLVED: To prevent occurrence of shift between sheets at the time of carrying a thermal multiple copy sheet. SOLUTION: A thermal printer 1 having a print section 10 comprising a platen 12 and a thermal head 13 abutting against the platen at a print position 15 through a sheet passage 11 in the vicinity of a sheet discharge port 6 in the sheet passage 11 extending from a sheet feed port 8 to the sheet discharge port 6 in a housing provided with the sheet feed port 8 and the sheet discharge port 6 is provided with a regulation member 16 having one end part secured to the housing and the other free end extending along the outer surface 2L of the housing from the thermal head 13 side to the platen 12 side while traversing the sheet discharge port 6.  At the time of printing on a thermal multiple copy sheet 110, the thermal multiple copy sheet 110 carried in the sheet passage 11 and passed through the print position 15 is pressed against the outer surface 2L of the housing by the regulation member 16 immediately after passing through the print position 15.
Patent JP-2002076671-A (JP)
Title: Electromagnetic wave absorber and method for absorbing electromagnetic wave
Inventor: HARAKAWA KENICHI
IPC: H05K9/00
Filed: 2000-08-31
Abstract: PROBLEM TO BE SOLVED: To provide a method for absorbing electromagnetic wave by which an electromagnetic wave to be absorbed is absorbed by superposing an opposite-phase electromagnetic wave upon the electromagnetic wave and to provide a wave absorber which can absorb a wide band of electromagnetic waves by applying the method. SOLUTION: Between a resistance film which reflects part of arriving electromagnetic waves and transmits the other part of the waves and a reflecting film which reflects the arriving waves, an specific band reflecting antenna film on one surface of which many linear antenna elements having the same shape are formed at a fixed density and which only reflects a specific band of electromagnetic waves is provided. A specific band of electromagnetic waves arriving at an electromagnetic wave absorbing panel and having a frequency f1 are absorbed, because an electromagnetic wave Er11 reflected by the resistance film and another electromagnetic wave Er21 reflected by the reflecting antenna film become opposite in phase.  In addition, another specific band of electromagnetic waves arriving at the absorbing panel and having a frequency f2 are absorbed, because an electromagnetic wave Er12 reflected by the resistance film and another electromagnetic wave Er22 reflected by the reflecting film become opposite in phase.
Patent JP-2001136388-A (JP)
Title: Adaptive error diffusion method
Inventor: WILLIAM HOO CHANG
IPC: G06T5/00
Filed: 2000-09-01
Abstract: PROBLEM TO BE SOLVED: To provide an adaptive error diffusion method for generating edge emphasizing halftone color while preventing emphasis of undesired moire. SOLUTION: This adaptive error diffusion method includes a step for receiving inputted digital picture data, a step for detecting the edge of the picture data by an edge detector 14, a step for generating noise-added picture data by adding noise to the picture data by a noise level deciding part 16 in accordance with the result of edge detection, a step for generating adaptive error diffusion data by changing the error diffusion in accordance with the noise-added picture data when changing error diffusion by an error diffusion processing block 12, and a step for generating output picture data from the adaptive error diffusion data.
Patent JP-2002066014-A (JP)
Title: Game machine
Inventor: UGAWA SHOHACHI
IPC: A63F7/02
Filed: 2000-09-01
Abstract: PROBLEM TO BE SOLVED: To provide a game machine enhancing an interest of a game by improving the updating display form of display patterns. SOLUTION: In a snow country tunnel ready-to-win pattern in a special pattern game played by the fluctuation of three left, center and right display patterns, by synthesizing a background image and an image in which plural snowflakes are arranged while changing relative positions along a preset smooth curve function, the situation that the snowflakes flutter down along a smooth curve on a stereoscopic background image for indicating the scenery of a snow country is displayed.
Patent JP-2002083903-A (JP)
Title: Semiconductor device and its manufacturing method
Inventor: SAKAMOTO NORIAKI
IPC: H01L23/12
Filed: 2000-09-06
Abstract: PROBLEM TO BE SOLVED: To solve the problem that a BGA semiconductor device has semiconductor elements mounted on a support board such as printed board, ceramic board, flexible board, etc., but these support boards are originally needless and an extra material, and the thickness of the support board enlarges the semiconductor device to result in a structure hard to radiate heat from semiconductor elements incorporated therein. SOLUTION: Conductive patterns 11A-11D are buried and formed in an insulation resin 10 with a conductive foil 20 half etched and formed. This reduces the thickness thereof enough. Radiating electrodes 11D are provided and hence a semiconductor device superior in heat radiation can be provided.
Patent JP-2002078975-A (JP)
Title: Computer game allowing field crop to be cultivated in virtual farm using internet
Inventor: KURAMOCHI YASUFUMI
IPC: A63F13/798
Filed: 2000-09-06
Abstract: PROBLEM TO BE SOLVED: To provide a field crop cultivating game permitting a player to taste the pleasure of agricultural production by cultivating a field crop while having virtual experience in farm working on the screen of a computer. SOLUTION: The administrator of a virtual farm, who controls and administers the progress of the game, is provided with an Internet server equipped with a game program, which is created so as to permit the field crop undergoing imaging to grow with time and wherein the administrator can write an arbitrary problem as needed, in relation to the virtual farm working conducted by the input operation of an input/output terminal of the player. The registered player opens the page of the dedicated virtual farm set within the game program, conducts the virtual farm working by means of the input terminal in order to cultivate the field crop with reference to advice given by an adviser character made resident on a page image, and allows the quality of the field crop raised by the virtual farm working to be displayed at the harvest of the field crop.
Patent JP-2002083909-A (JP)
Title: Semiconductor module device and support structure of metal base
Inventor: TANAKA AKIRA
IPC: H01L23/12
Filed: 2000-09-06
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor module device which solves vertical deformation of a module base in a temperature cycle to avoid the temperature rise. SOLUTION: The semiconductor module device comprises an insulation board having conductive layers at least on the front and back surfaces, a semiconductor element on the conductive layer laid on the insulation board front side, a heat conductor base below the insulation board and connected to the conductive layer on the insulation board back side, a heat sink below the conductor base and bonded to this base, and a baring inserting in a part of a junction plane of the heat sink and the conductor base. The bearing is buried in the heat sink or the conductor base with its bearing surface facing the junction plane, the conductor base has a lengthwise elongated hole into which a bolt is inserted, and an annular ball bearing is inserted around the bolt at the junction of the conductor base and the heat sink.
Patent JP-2002084149-A (JP)
Title: Transimpedance circuit
Inventor: HIRAGA KIMIHISA
IPC: H03F3/08
Filed: 2000-09-06
Abstract: PROBLEM TO BE SOLVED: To obtain a low-noise and accurate operation, regardless of the magnitude of current generated in a photo diode. SOLUTION: When a signal current Ii, inputted into a first transistor 1 by means of a photo diode 20, satisfies Ii<VBE3/Rf1, where VBE3 is the base-to- emitter voltage of a third transistor 3 and Rf1 is the resistance value of a first feedback resistor 4, the third transistor 3 will not operate. When Ii>VBE3/Rf1, the third transistor goes into a conducting state, supplying a negative feedback current to the signal input terminal 11 side via the third transistor 3. Unlike the conventional case, even if a large optical current is generated in the photo diode 20, the photo diode 20 is prevented from being turned into a solar battery mode, so as to secure stable and accurate operations.
Patent JP-2002079370-A (JP)
Title: Brazing filler metal-clad aluminum alloy extruded tube for heat exchanger
Inventor: EDO MASAKAZU
IPC: B23K103/10
Filed: 2000-09-07
Abstract: PROBLEM TO BE SOLVED: To provide a brazing filler metal-clad aluminum alloy extruded tube for producing a heat exchanger having excellent corrosion resistance. SOLUTION: The outer surface of an aluminum alloy extruded pipe having a composition containing 0.7 to 1.2% Si and 0.1 to 1.2% Mn, if required, containing 0.1 to 0.5% Cu, if required, moreover containing one or two kinds selected from 0.05 to 0.3% Ti, 0.05 to 0.3% Zr and 0.03 to 0.5% Zn, and the balance Al with inevitable impurities is coated with flux containing any brazing filler metal powder selected from Si powder, Al-Si based alloy powder containing 5 to 60% Si, and the balance Al with inevitable impurities and Al-Si- Zn based alloy powder containing 5 to 60% Si and 5 to 40% Zn, and the balance Al with inevitable impurities to form a brazing filler metal-containing flux layer.
Patent JP-2002089315-A (JP)
Title: Rotating speed control device of compressor
Inventor: TERAO MASAYOSHI
IPC: F02D29/04
Filed: 2000-09-07
Abstract: PROBLEM TO BE SOLVED: To provide a rotating speed control device of a compressor, which can be easily regulated. SOLUTION: This rotating speed control device is provided with a pressure sensor 11 in a suction passage 55 of a compressor body 5. A detection signal by the pressure sensor 11 is inputted to an electronic governor controller 13, and the detection signal changes the rotating speed of an engine 2 as a control signal. When an inlet port 51 of the compressor body 5 is closed by an intake air control valve 4, the suction passage 55 of the compressor body 5 is evacuated. When the pressure sensor 11 detects the negative pressure, the rotating speed of the engine 2 decreases, and when the inlet port 51 is opened to raise the pressure, the rotation of the engine is accelerated, and the engine is shifted to a rated operation.
Patent JP-2002083179-A (JP)
Title: Method and system for manufacturing and selling audio card
Inventor: SHIBA HIROSHI
IPC: B42D15/10
Filed: 2000-09-08
Abstract: PROBLEM TO BE SOLVED: To shorten a time required for ordering, manufacturing and selling an audio card. SOLUTION: User terminals 1-1, 1-2 transmit voice data desired to be written into the audio card 10 by a user and image data desired to be printed onto the audio card by the user to servers 2-1, 2-2, of agents via a network 5. The servers 2-1, 2-2 transmit the voice data and the image data to a server 3 of a manufacturer via the network 5. An audio card manufacturing device 4 writes the voice data into the audio card 10, and an image is printed on a surface of the card 10 based on the image data to manufacture the audio card 10.
Patent JP-2002084303-A (JP)
Title: Network control system
Inventor: ASA TETSUYA
IPC: H04L12/46
Filed: 2000-09-11
Abstract: PROBLEM TO BE SOLVED: To provide a network control system which can control agents in unified manner with overlapped ID addresses. SOLUTION: A local monitoring manager 30A (or 30B) decides if a Trap message from every agent group 20A (or 20B) should be notified to a control center 50. If the message should be notified, discrimination information specific to each local network 10A (or 10B) to which the agent group 20A (or 20B) belongs to, is added to the Trap message, and the message is transmitted to the control center 50.
Patent JP-2002091746-A (JP)
Title: Printer system
Inventor: AKIMARU ETSURO
IPC: G06F3/12
Filed: 2000-09-11
Abstract: PROBLEM TO BE SOLVED: To provide a printer system capable of recognizing the printing conditions of its own printing job on the printer side from the host side in real time. SOLUTION: Information on the host side is added to print data and transmitted to a printer. On the printer side, the information on the host side added to the print data is received and stored in a mass storage 230. Besides, the printer system counts the number of papers to be printed for every print job and manages it by the mass storage 230. While referring to the mass storage 230 of the printer system, the host side displays the printing conditions of the present printing job on its own display part.
Patent JP-2002091561-A (JP)
Title: Supervisory controller and storage medium
Inventor: SAITO MINORU
IPC: G06F3/048
Filed: 2000-09-12
Abstract: PROBLEM TO BE SOLVED: To easily preserve the contents of judgment and countermeasure situations of an operator and also the take-over items, etc., designated to the next operator about various types of states occurring in a plant. SOLUTION: An alarm display screen, a graphic display screen, a point display screen and a trend graph display screen are prepared and the files 16a-16d always store the state data on a plant in accordance with these display screens. When the necessary display designation is received from an input device 13, an operation log function part 17A judges the display designation and notifies the corresponding display processing parts 17a-17d of the display designation. The processing part 17a, for example, displays an alarm display screen on a display device 18 and then stores the data on judgment, countermeasures, etc., of an operator which are inputted via a keyboard, a voice input device, and image pickup camera, etc., on the alarm display screen of the file 16a or in another area in response to the recording designation of the device 13.  These stored data can be read out later at each proper time.
Patent JP-2002089836-A (JP)
Title: Monitor device for interior of furnace
Inventor: UMEDA DAISHIN
IPC: F23M11/04
Filed: 2000-09-13
Abstract: PROBLEM TO BE SOLVED: To improve a heat insulating performance in an opening part of a furnace casing wall. SOLUTION: In the furnace casing wall 1, the opening part 9 passing through a casing 3 and a heat insulating material 4 is provided. A rotary member 10 whose diameter is larger than the thickness of the furnace casing wall 1 is provided with a slit hole 11 diametrically passing through the furnace casing wall. The rotary member 10 is fitted to the opening part 9 while the rotary member protrudes both inside and outside the furnace casing wall 1 and supported by a bearing 13 having a shaft 12 provided on the furnace casing wall 1. As a rotary means 14, a lever 16 moving vertically along a guide groove 15 provided in the outer side surface of the furnace casing wall 1 is connected to the shaft 12. Heat resisting glass 18 is provided for covering the part of the rotary member 10 exposed to the external part of the furnace casing wall 1 therewith and closing the opening part.  When the interior of a furnace casing is not monitored, the slit hole 11 is vertically arranged in parallel with the furnace casing wall 1. When the interior of the furnace casing is monitored, the rotary member 10 is rotated to direct the slit hole 11 in the internal and external directions of the furnace casing wall 1 to monitor the interior through the heat resisting glass 18 and the slit hole 11.
Patent JP-2001153564-A (JP)
Title: Continuous heating furnace for substrate, utilizing radiant tube burner
Inventor: NOIRI HIFUO
IPC: F27B9/02
Filed: 2000-09-13
Abstract: PROBLEM TO BE SOLVED: To provide a continuous heating furnace, capable of facilitating mass production, by a method wherein an energy cost is reduced while securing a temperature control accuracy required for the drying and firing of a substrate. SOLUTION: The continuous heating furnace for a substrate is provided with a plurality of heating chambers, having heating means at the upper part and the lower part of the same as well as a transfer means for transferring a matter to be heated into a neighboring heating chamber, and is constituted so as to be capable of effecting pre-heating, temperature raising, even heat retaining and cooling in accordance with a desired temperature curve by controlling the temperatures of respective heating chambers individually so that a substrate temperature enters within a predetermined temperature range. In the heating furnace 30, radiant tube burners 20 are employed for at least one side of the heating means at the upper part and the lower part of respective heating chambers 1-18 while electric heaters 21 are employed for the remaining heating means.
Patent JP-2002086734-A (JP)
Title: Method of making ink jet head
Inventor: ARAKAWA KATSUHARU
IPC: B41J2/16
Filed: 2000-09-14
Abstract: PROBLEM TO BE SOLVED: To provide a method of making an ink jet head wherein a diaphragm made by an etching stop technology is formed in a highly accurate submicron thickness. SOLUTION: An SiO2 film 5 is formed on an Si substrate 1 at a high temperature and the SiO2 film 5 on a doped face 3 of the Si substrate 1 is peeled therefrom and a boron doped layer 4 is formed on the doped face 3 where the SiO2 film 5 is peeled and the patterning of the SiO2 film 5 formed on a Cav face 2 of the Si substrate 1 is executed. An SiO2 film 5 is formed on a face of a boron doped layer 4 after the patterning at a low temperature. After that, the boron doped layer 4 is processed to form a diaphragm 4a by the etching stop technology.
Patent JP-2002090526-A (JP)
Title: Dichroic polarizing element and method for manufacturing the same
Inventor: TAGUCHI KEIICHI
IPC: G02B5/30
Filed: 2000-09-19
Abstract: PROBLEM TO BE SOLVED: To provide a dichroic polarizing element which can be easily manufactured, which has a high polarization degree and which can respond to the requirements for a small-size, this and lightweight liquid crystal display device, and to provide a method for manufacturing a long length dichroic polarizing element from which a dichroic polarizing element chip can be manufactured with high yield. SOLUTION: The dichroic polarizing element contains a water-soluble organic dichroic dye selected from among a bisazo compound having a specified structure, its tautomer and their salts, where the dichroic dye contains aggregates aligned in a specified direction so that the light transmitting the element can be polarized by the dye. In the method for manufacturing the polarizing element, the aggregates are aligned by a specified method.
Patent JP-2002094552-A (JP)
Title: Device and method for extracting multiplexed packet
Inventor: TSUNEOKA TAIJI
IPC: H04L47/43
Filed: 2000-09-20
Abstract: PROBLEM TO BE SOLVED: To provide a multiplexed packet extracting device in which the rejection rate of a packet in reduced. SOLUTION: The frame synchronizing part 21 of a hardware processing part 2 synchronizes the frame of an inputted CADU, a decoding part 22 decodes an encoded VCDU such as Reed-Solomon, and a downlink data error is thereby detected and corrected. The VCDU processing part 31 of a software processing part 3 performs separation processing of the VCDU on the basis of a VCID, and an M-PDU processing part 32 performs packet extraction while taking the packet length of a packet spreading over two M-PDUs as well as an FHP into consideration.
Patent JP-2002099804-A (JP)
Title: System and method for promoting and supporting provision of article and the like, and recording medium
Inventor: KAMIHIRA KAZUSUKE
IPC: G06Q10/00
Filed: 2000-09-25
Abstract: PROBLEM TO BE SOLVED: To provide a method of promoting and supporting provision of an article or the like suitable for promoting the provision of the article or service, by giving to a user a desire going to a distributor shop or a place for providing the service. SOLUTION: A service providing terminal 100 is provided with a storage device 40 stored with a point map wherein one point area is set imaginarily in the every distributor S1-Sn to correspond to a position in a real world, transmits the map in the storage device 40 to a personal digital assistant 120 in response to a map provision request, and registers point information to correspond to a user ID when the point information is received. The personal digital assistant 120 acquires position information for specifying the present position, calculates points based on the received point map and the acquired position information, and transmits the point information indicating the calculated points to the service providing terminal 100.  The point information is received from the service providing terminal 100 in the distributor shop S, and the points acquired by the user is reflected to a sales price of the article.