baber/WOPTO huggingface dataset:
Patent JP-2000185974-A (JP)
Title: Production of aluminum nitride sintered compact
Inventor: NAGAHARA SEIJI
IPC: C04B35/581
Filed: 1998-12-24
Abstract: PROBLEM TO BE SOLVED: To obtain an aluminum nitride sintered compact having a high density, a high purity and a high coefficient of thermal conductivity. SOLUTION: An aluminum nitride powder having <0.7 wt.% oxygen content is made into a molding product without adding a sintering auxiliary. The molding product is subjected to an oxidation treatment process and baked in a nonoxidizing atmosphere. The oxidation treatment conditions are 600 deg.C to 800 deg.C treating temperature and 5 hour to 20 hour treating time.
Patent JP-2001184512-A (JP)
Title: Device and method for processing image and recording medium
Inventor: SUGIMOTO KAZUHIDE
IPC: G06T7/60
Filed: 1999-12-24
Abstract: PROBLEM TO BE SOLVED: To extract the shading area of an object from a source image in image processing. SOLUTION: Image data acquired from an image sensor 10 are stored in a main memory 16. A CPU 18 spatially differentiates the image data and extracts a step edge. Besides, pixels having almost the same direction of a gradient provided by the spatial differentiation are grouped and the shading area is extracted. The boundary of shading areas and the step edge are merged and outputted to a display control part 20 as the contour of that object. By extracting the shading area and merging it with the step edge, even a three- dimensional object can be easily recognized.
Patent JP-2000192784-A (JP)
Title: Shield excavator for rectangular cross section
Inventor: HANAOKA TAIJI
IPC: E21D9/08
Filed: 1998-12-25
Abstract: PROBLEM TO BE SOLVED: To efficiently excavate tunnels of arbitrary rectangular cross sections by making it possible to effectively excavate tunnels of rectangular cross sections, particularly those with high ratios of long to short sides. SOLUTION: A cutter head 6 having a plurality of cutter spokes extending radially from a shield axis O is provided at the front of a shield main body, the cutter spokes comprising long cutter spokes 12A for excavating the short side 13B of a tunnel and short cutter spokes 12B for excavating the long side 13A of the tunnel. Outbreak devices 16 with outbreak cutters 16b freely moved toward and away from ends are placed on the long cutter spokes 13A and the shield main body is provided with a cutter drive which causes the cutter head 6 to reciprocate and turn within the range of an angle θ at least formed by the cutter spokes 12A, 12B.
Patent JP-2001185853-A (JP)
Title: Base board for circuit board and printed circuit board using the same
Inventor: NAKATANI SEIICHI
IPC: H05K3/46
Filed: 1999-12-27
Abstract: PROBLEM TO BE SOLVED: To provide a highly reliable board for a printed circuit board for high density mounting and a printed circuit board using the same with which the board and metal wiring are strongly adhered, the warp and twist of the board are reduced and further, thermal expansion, elastic modulus or conductivity can be controlled by forming adhesion layers mainly composed of thermosetting resins 102 on one side or both sides of a resin film 100 with diffused and mixed inorganic fillers 101 more than 15 vol.%. SOLUTION: A film 100 is prepared by diffusing and mixing inorganic fillers 101 of SiO2 or the like more than 15 vol.%, preferably, more than 20 vol.% in a brominated epoxy resin or the like and an adhesive agent 102 is integrally formed on at least one side of that film by diffusing and mixing the inorganic fillers of SiO2 or the like more than 15 vol.%, preferably, more than 20 vol.% in the thermosetting resin such as polyimide resin.
Patent JP-2001179985-A (JP)
Title: Nozzle for ink jet printer
Inventor: HAGIWARA SHOSHICHI
IPC: B41J2/135
Filed: 1999-12-27
Abstract: PROBLEM TO BE SOLVED: To provide a nozzle for ink jet printer having excellent water repellent properties, wear resistance and heat resistance in which a high quality clear print face can be obtained by enhancing adhesion between a nozzle member and a nozzle member receiving part. SOLUTION: The nozzle 1 for ink jet printer comprises a nozzle plate 2 having a through hole 7a for supplying ink, and a nozzle member 3 having a hole 6 for ejecting ink supplied from the nozzle plate 2 bonded integrally, wherein a synthetic resin 5 is placed between the nozzle member 3 and the nozzle plate 2.
Patent JP-2001182250-A (JP)
Title: Rain gutter support tool
Inventor: YAMAMOTO HIROSHI
IPC: E04D13/072
Filed: 1999-12-27
Abstract: PROBLEM TO BE SOLVED: To provide a rain gutter support tool capable of surely fixing the slide of a gutter support tool body. SOLUTION: This rain gutter support tool comprises a gutter support tool body 2 longitudinally slidably connected to a mounting beam 1 and a vertically rotating lock lever 5 for pressure-welding the gutter support tool body 2 to the mounting beam 1. The lock lever 5 has a locking part 54 formed at the tip, so that the locking part 54 is engagingly locked with a corrugated elliptic hole 21a formed on the gutter support tool body 2 when the gutter support tool body 2 is pressure-welded onto the mounting beam 1.
Patent JP-H10209941-A (JP)
Title: System and method for satellite communication
Inventor: QUAN PHILIP HON NGHIA
IPC: H04W60/00
Filed: 1997-12-10
Abstract: PROBLEM TO BE SOLVED: To provide a method and a system with which the position of user terminal is speedily judged with high accuracy. SOLUTION: A satellite 10 sends messages between a user terminal 44 and a ground station 38 while moving as shown by an arrow 46. At such a time, this system and method is provided with a means for measuring the position of user terminal 44 on the surface of the earth 14 through Doppler shift measurement and propagation delay measurement between the satellite 10 and the user terminal 44. When the satellites 10 more than two can recognize the user terminal 44, in order to judge propagation delay between the satellites 10 more than one or two and the user terminal 44, a combining means is utilized while using the record of propagation delay to the plural terminals 10 and/or the reception time of multi-address communication (due to the user terminal 44) counted from the satellites 10 more than one or two.
Patent JP-H11181467-A (JP)
Title: Water soluble lubricant
Inventor: MIZUI KIMIYA
IPC: C10N30/04
Filed: 1997-12-24
Abstract: PROBLEM TO BE SOLVED: To obtain a water soluble lubricant having a good water dispersion stability and lubricating property, and capable of providing a non-combustible lubricant or a pressure medium exhibiting less environmental pollution. SOLUTION: This water soluble lubricant contains a polycarboxylic acid obtained by heating and reacting a polyene fatty acid not essentially containing hydroxyl group and/or a monoene fatty acid containing hydroxyl group or a dehydration condensate thereof with an unsaturated carboxylic acid having 3-12 carbon number or an anhydride thereof, and a base as indispensable components.
Patent JP-H11193724-A (JP)
Title: Internal combustion engine
Inventor: KIKUCHI KUNIO
IPC: F02D13/02
Filed: 1997-12-27
Abstract: PROBLEM TO BE SOLVED: To provide an internal combustion engine providing high outputs by improving the expansion ratio to increase the compression ratio. SOLUTION: This internal combustion engine is composed of a piston 3, a first cylinder 1, a second cylinder 2, an expansion bypass line 9, bypass valves 7, 8, a fuel supply means, and a drive control means. The piston 3 is connected to an output shaft 20. The first cylinder 1 is provided with an ignition plug 5. The second cylinder 2 is provided with a piston 4 that is arranged in parallel with the first cylinder 1, and connected to the output shaft 20. The expansion bypass line 9 interconnects the combustion chambers of the cylinders 1, 2. The bypass valves 7, 8 open and close the flow passage of the expansion bypass line 9. The fuel supply means supplies the combustion chambers of the cylinders 1, 2. The drive control means provides the ignition control for ignition plugs 5, 6, the open/close, fuel supply and exhaust controls for bypass valves 7, 8 at predetermined timings.  The energy by explosion following the combustion and expansion stroke by ignition by the ignition plug 5 in the first cylinder 1 is also transferred to the piston 4 in the second cylinder 2 via the expansion bypass line 9. Accordingly, the output shaft 20 is driven by the pistons 3, 4 of the cylinders 1, 2.
Patent JP-2001181341-A (JP)
Title: Succinimide and application thereof
Inventor: KOUJIMA HIROAKI
IPC: C10M133/58
Filed: 1999-12-27
Abstract: PROBLEM TO BE SOLVED: To provide a useful substance of an ashless, cleaning dispersing agent which is excellent in the high temperature stability and the high temperature cleaning ability and also has a microparticle dispersing action; an additive to lubricants and to fuel oils; and a lubricant composition and a fuel oil composition each containing the above additive. SOLUTION: The above substances comprise succinimide which is obtained by (1) hydrogenation of and/or (2) adsorbent contact treatment of a hydrocarbon- substituted succinimide or a composition containing it.
Patent JP-2000195587-A (JP)
Title: Connector for card
Inventor: NAKAZAWA YOSHITAKE
IPC: G06K17/00
Filed: 1998-12-25
Abstract: PROBLEM TO BE SOLVED: To reduce the size of a connector for a card. SOLUTION: A housing 2 of a connector for a card has a first cavity 124 and a second cavity 126, extending in the sliding direction of a tray, communicating with each other, and positioned in back-and-forth relations. Further, the connector has a rotary cam member 250 forwardly energized by a spring. The rotary cam member 250 has a cam rib 260 and can slide and turn in the second cavity 126 while it can only slide in the first cavity 124 with the cam rib 260 engaged with a groove 130. When the tray is moved backward being pressed by a card, the rotary cam member 250 is moved from the first cavity 124 to the second cavity 126 being pressed by the tray, rotated and locked with a cam surface 261 of the cam rib 260 engaged with a tooth 284 of the housing 2, and comes to a position shown by the cam rib 260b. When the card is discharged, the tray is forced backward again, the rotary cam member 250 is disengaged, and the cam rib is situated in a position shown by 260d and acts to force out the tray.
Patent JP-2001178543-A (JP)
Title: Toothbrush
Inventor: NAKANISHI YOSHINARI
IPC: A46D1/00
Filed: 1999-12-27
Abstract: PROBLEM TO BE SOLVED: To provide a toothbrush, which has good cleaning effect of dental plaque accumulated between teeth, in the boundary between the teeth and gums or the like, touches softly the gums, gives good feeling when using, and has excellent durability. SOLUTION: A synthetic monofilament 1 which is tapered at the tip, wherein inequality is at least partially formed on a surface of a tapered part 2. In a bristle shape of a tip side from a planted surface, a ratio of a surface area A based on a volume V is A/V>=0.20, wherein V (mm3) is the volume of the filament of the tip side from the planted surface and A (mm2) is the surface area. Alternatingly, in a filament section cutting vertically with respect to a filament axis at an optional position, the bristle shape is specified by an expression (L/S)>(2/R), wherein S (mm2) is an area of the section, L (mm) is an outer periphery length of the section, and R (mm) is a radius of a circle circumscribing the section. The synthetic monofilament 1 specified above is used all or a part of the planted monofilament.
Patent JP-2001182541-A (JP)
Title: Scavenging passage structure for two-cycle engine
Inventor: UENOYAMA KAZUYUKI
IPC: F02F1/22
Filed: 1999-12-27
Abstract: PROBLEM TO BE SOLVED: To reduce exhaust amount of THC(total hydrocarbon) by avoiding blow-by of air-fuel mixture into an exhaust port, to increase air-fuel mixture density charged into a combustion chamber by raising scavenging efficiency and to raise an engine output by improving combustion, in a crankcase scavenging compression type two-cycle engine. SOLUTION: In a crankcase compression scavenging type two-cycle engine, a scavenging passage is constituted so that a blow-up angle (α) formed by an upper wall surface continuous to a scavenging port and a right angle direction line with a cylinder as a center may be different in the peripheral direction of the cylinder. When a blow-up angle at a portion close to an exhaust port and a blow-up angle at a portion close to an intake port are determined for α1 and α2, respectively, the blow-up angles α1 and α2 are characterized by being constituted as α1<α2.
Patent JP-2001181442-A (JP)
Title: Pyrolysis device and pyrolysis method
Inventor: KAMIYAMA TAKASHI
IPC: C10G1/10
Filed: 1999-12-28
Abstract: PROBLEM TO BE SOLVED: To efficiently pyrolytically decompose waste plastics, especially waste olefinic plastic such as waste polyethylene to product a gas component. SOLUTION: This method for pyrolysis, comprising melting waste plastics in a feeding device 2, continuously feeding the melted product into a tubular pyrolysis device 3 to pyrolyticelly decompose the melted product in the absence of oxygen, and further pyrolytically decomposing the unreacted plastic sin a tank type pyrolytically device 4 in the absence of oxygen. The produced gas component can be cooled and condensed with a condenser 25 to recover the oil.
Patent JP-2000185576-A (JP)
Title: Method of regulating running speed of automobile
Inventor: LINDEN THOMAS
IPC: F02D29/02
Filed: 1999-12-14
Abstract: PROBLEM TO BE SOLVED: To permit relatively good starting behavior of speed regulation by selecting a speed-regulating parameter set for the speed regulation according to a grade of the driveway. SOLUTION: While a vehicle is running on a downgrade, a speed regulator is initialized by speed-regulating parameters best suited for the situation (Stage 6). This parameter set is selected from a plurality of pre-stored parameter sets according to a current gear Gs and a calculated acceleration difference adiff (Stage 7). A timer for counting a prescribed time period td is started simultaneously with the initiation of the speed regulator by the speed-regulating parameter set suited for the downgrade. Then, the speed regulator is started, whereby a speed-regulating stage is started (Stage 8). After the prescribed time period td has passed, the regulating parameter set suited for the downgrade is changed to a standard speed parameter set without any impact (Stage 4), and the speed regulator is again initialized appropriately (Stage 5).
Patent JP-2000170363-A (JP)
Title: Structure of smokestack built in building
Inventor: ARITOMO MINORU
IPC: E04F17/02
Filed: 1998-12-08
Abstract: PROBLEM TO BE SOLVED: To prevent a smokestack built in a high-rise building from being damaged by vibrations arising from an earthquake or the like. SOLUTION: A smokestack 2 integrally built in a building 1 in a base isolation structure is constructed of a first unit smokestack 3 built in the building 1, a second unit smokestack 4 arranged at the ground side, and a third unit smokestack 5 arranged between the first unit smokestack 3 and the second unit smokestack 4, and the lower end of the first unit smokestack 3 and the upper end of the third unit smokestack 5, and the lower end of the third unit smokestack 5 and the upper end of the second unit smokestack 4 are connected respectively with an upper tube joint 6 and a lower tube joint 7 and at the same time, the upper tube joint 6 is made capable of making angular displacement while the lower tube joint 7 is made capable of making angular displacement and axial displacement.
Patent JP-2000200238-A (JP)
Title: Network peripheral equipment
Inventor: ITO HIDEKI
IPC: G06F3/12
Filed: 1998-12-29
Abstract: PROBLEM TO BE SOLVED: To obtain a network peripheral equipment which can perform various processes without needing any specific host. SOLUTION: This equipment has a network transmission reception part 1 which sends and receives data to and from a network, a data processing part 2 which divides data received from the network 20 into protocols, extracts necessary data, and processes the data, a peripheral equipment intrinsic function part 3 which corresponds to the printing control part of a printer or the scan control part of a scanner, a protocol data storage process part 4 which has a function of storing the data received from the network 20, and a stored data acquisition part 6 which receives the data stored in the storage device 5 and sends the data to a host on the network through the data processing part 2.  This constitution eliminates the need for a specific host and the data inputted from the network 20 to the peripheral equipment 10 and the data outputted from the peripheral equipment to the network can be collected and stored.
Patent JP-2001188653-A (JP)
Title: Input device
Inventor: RIKIHISA HIROAKI
IPC: G06F3/038
Filed: 1999-12-29
Abstract: PROBLEM TO BE SOLVED: To solve such a problem that, for example, a pointing device using a looped string exists as an input device using a rotating body capable of rotating itself and changing the direction of itself in a state where the distance between an optional position of itself and the center of rotation of itself is changeable, vector input such as transfer of a cursor is performed by obtaining the aspect and direction of a vector from the aspect and direction of the string and obtaining the length of the vector from the rotation quantity of the string, and the operability is poor since switching operation such as clicking is performed by using a switch, which is provided separately from the looped string, in the pointing device in the conventional manner. SOLUTION: This input device solves the above problem by using the switch provided with the rotating body to rotate itself and capable of generating a switching signal at a state that the distance between the optional position of itself and the center of rotation of itself is changeable.
Patent JP-H04208752-A (JP)
Title: Key telephone system
Inventor: TAKENOUCHI REIKO
IPC: H04Q3/58
Filed: 1990-12-03
Abstract: PURPOSE:To enable even a person having a speech disorder to easily call by telephone by inputting a message to be sent to a line with KANA (Japanese syllabary) by the operation of a key input part on a key telephone set and converting the message to a voice preliminarily stored on the main device side. CONSTITUTION:When a user inputs a message number from a key bottom input part 40 of a key telephone set 20, a central control part 12 stores the message in a message number storage part 9. Data is taken of a display character storage part 11 and is displayed on a display device 30 of the key telephone set 20, and the KANA input made is set. When the user imputs KANA characters from the key button input part 40, inputted KANA character data is sent to a KANA character storage part 6 and is stored. KANA character data is sent to a voice converting part 7 and is converted to voice data and is stored in a voice storage part 8.
Patent JP-H04213490-A (JP)
Title: Liquid crystal display device with back light
Inventor: OGAWA HIROSHI
IPC: G09F9/00
Filed: 1990-12-10
Abstract: PURPOSE:To allow the easy exchange of an EL panel to be used as a light source by forming one end side of the EL panel thicker than a light emitting part so that an insertion take-out port for exchanging the EL panel is hermetically closed by the thickly formed end side while the EL panel is mounted in a normal use position. CONSTITUTION:The one side 1a of the EL panel of the liquid crystal display device with a back light which is provided with the insertion take-out port for the EL panel 1 to as to allow the exchange of the EL panel 1 is formed thicker than insertion take-out port for exchanging the EL panel 1 is hermetically closed by the thickly formed end side 1a while the EL panel 1 is mounted in the normal use position. Then, the infiltration of dust is easily prevented and the easy exchange of the panel is possible.
Patent JP-H04216292-A (JP)
Title: Wavelength dividing light exchange device
Inventor: YASUI NAOHIKO
IPC: H04Q3/52
Filed: 1990-12-17
Abstract: PURPOSE:To obtain the wavelength dividing light exchange device having large line capacity not to require wavelength conversion by allocating a wavelength for each call of a terminal by a speech path network controller and effectively utilizing a transmission area in the wavelength area of a wavelength multiple transmission line. CONSTITUTION:A connection request from the terminal is transmitted to a wavelength multiple transmission line 101 with a wavelength lambdaC for control. This wavelength is guided to a subscriber line controller 2a by a coupler 6 and transmitted to a speech path network controller 5. A wavelength table provided in the speech path network controller 5 is retrieved so as to investigate the state of the called party terminal and when connection is enabled, the usable wavelength is selected from the wavelength table in the speech path network controller 5, allocated and set so as to exchange a switch device 4 by the allocated wavelength. The speech path network controller 5 announces an allocated wavelength lambdaX through the subscriber line controller 2 to a call originating terminal and a call terminating terminal with the wavelength for control. The both terminals receiving this communication set transmitting and receiving wavelengths at the lambdaX and execute communication.
Patent JP-H04232479-A (JP)
Title: Signal duty monitor circuit
Inventor: RIKIMARU KENJI
IPC: G01R29/02
Filed: 1990-12-28
Abstract: PURPOSE:To provide a duty monitor circuit capable of inexpensively monitoring the duty of a signal of a clock and the like with simple constitution with regard to the signal duty monitor circuit for monitoring as the duty of the signal is within range of requirements. CONSTITUTION:A duty difference detection part for detecting the difference between a signal and another signal which delays said signal for a specified time, an integral part for the time and integrating in accordance with the duty difference and a discrimination part for discriminating great and small sizes of a threshold and an integrated value in accordance with a required range are provided and constituted so that the circuit may be monitored on whether the duty of the signal is within the required range.
Patent JP-H04249750-A (JP)
Title: Heating, gasifying and introducing apparatus
Inventor: TERASHI KEIICHI
IPC: H01J49/26
Filed: 1990-12-28
Abstract: PURPOSE:To obtain an apparatus for heat gasification and introduction which makes it possible to control an actual temperature of an atomization furnace. CONSTITUTION:The temperature of an atomization furnace is detected by a temperature detector 4a for a high temperature or a temperature detector 4b for a low temperature and detection signals of these detectors are subjected to signal conversion by first and second signal converters 5a and 5b respectively. Thereafter the signals are delivered to an error amplifier 7 through a selector switch 6 and a signal obtained by error amplification on the basis of set temperature signal delivered from a controller 8 for setting temperature is sent to a trigger pulse generating circuit 9. By a trigger pulse generated therein, a power control switch 10 is driven.
Patent JP-H04214523-A (JP)
Title: Illuminating mechanism for macro-observation
Inventor: YAMAMOTO MASAO
IPC: G02B27/28
Filed: 1990-12-11
Abstract: PURPOSE:To provide the illuminating mechanism which can control polarized light without moving a polarizing plate on an objective means of macroobservation or without providing a means for rotating the plane of polarization. CONSTITUTION:A light source 4a for polarization which is formed to selectively emit light and a light source 4b for non-polarization are provided. The light from the light source 4a for polarization is transmitted through a polarizing plate 7 for polarization and is thereby polarized. The light from the light source 4b for non-polarization is projected as it is to an object to be observed. The polarized light can be selected simply by selectively emitting the light from the light source 4a for polarization and the light source 4b for non-polarization.