baber/WOPTO huggingface dataset:
Patent JP-2002218356-A (JP)
Title: Television receiving system and set with information image projector
Inventor: MIZUNO HIDEAKI
IPC: H04N7/03
Filed: 2001-01-19
Abstract: PROBLEM TO BE SOLVED: To provide a battery driven television receiving system and set with information image projector, in which a display is utilized effectively. SOLUTION: The television receiving system with information image projector comprises a conventional television system, i.e., a video receiver 1, an information image projector 2 for processing and projecting character information, or the like, received by the video receiver 1, and a power supply 3 supplying power for driving the video receiver 1 and the information image projector 2.  The information image projector 2 comprises a graphic character information processing circuit 21 for processing information of character or graphic received from a data broadcast/teletext processing circuit 13 or independent information, e.g. time information, a projection processing circuit 22 for converting a processed information image into a signal being projected, a projector 23 for projecting information image to the display 14 of the video receiver 1, and an MPU 24 for controlling the information image projector 2.
Patent JP-2002217986-A (JP)
Title: Method of changeover between circuit switching and packet switching
Inventor: ITO YOICHI
IPC: H04W48/18
Filed: 2001-01-19
Abstract: PROBLEM TO BE SOLVED: To provide a method of changeover between circuit switching and packet switching, such as enables the changeover between circuit-switching communications and packet-switching communications the effective use of limited frequency resources, in mobile communications. SOLUTION: When a new call originates, a communication channel for packet switching is at first assigned to the call, and if a communication time in the call using the communication channel for packet switching exceeds a predetermined time, or if the frequency of collision of the packet in the call exceeds a predetermined value, the changeover from the communication channel for packet switching to a communication channel for circuit switching is made on the communication channel assigned to the call.
Patent JP-2002217378-A (JP)
Title: High-frequency power amplifier
Inventor: SUGIURA MASAYUKI
IPC: H01L21/8222
Filed: 2001-01-19
Abstract: PROBLEM TO BE SOLVED: To obtain a high-frequency power amplifier which can prevent a reduction in gain and a reduction in maximum output power as soon as possible, and has preferable linear characteristics. SOLUTION: The amplifier comprises a plurality of high-frequency amplifying sections 30, each composed of bipolar transistors 31, capacitors 20 which are provided respectively on the plurality of high-frequency amplifiers and have ends connected to bases of the bipolar transistors of the high-frequency amplifying sections and other ends connected to a high-frequency power supply 220, and bias circuits 6 which are provided respectively on the plurality of high-frequency amplifying sections and apply bias voltage to the bases of the bipolar transistors of the corresponding high-frequency amplifying sections. The bias circuit comprises bias voltage reducing sections D1 and D3 which are placed near the bipolar transistors of the corresponding high-frequency amplifying sections and reduce bias voltage with temperatures of the bipolar transistors.
Patent JP-2002209958-A (JP)
Title: Voice and foot switch operation type medical chair unit
Inventor: NOGUCHI KUNITOSHI
IPC: G10L15/00
Filed: 2001-01-19
Abstract: PROBLEM TO BE SOLVED: To provide a medical chair unit eliminating switching operation by pressing of a hand finger and eliminating any possibility of infection when an operator operates the medical chair unit for dentist. SOLUTION: This voice and foot switch operation type medical chair unit is so formed that the medical chair unit is operated by the voice command of the operator and the operation of the foot switch. This medical chair unit is provided with a mechanism detecting the voice command by the voice issued by the operator, converting it into electric signals, and transmitting them, its receiver mechanism, a control computer operating the chair unit by the received signals outputted from the receiver mechanism, the foot switch executing the starting operation and a continuous operation by a touch or depression of the foot tip shifting, and an execution mechanism of the chair unit operation.
Patent JP-2002221102-A (JP)
Title: Compression ignition type internal combustion engine
Inventor: IGARASHI KOHEI
IPC: F01N3/02
Filed: 2001-01-22
Abstract: PROBLEM TO BE SOLVED: To avoid thermal damage to an engine intake passage. SOLUTION: A switching means to selectively switch first combustion having a larger quantity of inert gas in a combustion chamber than the quantity of the inert gas causing a peak in the amount of soot generated to second combustion having a smaller quantity of inert gas than the quantity of the inert gas causing a peak in the amount of soot generated is provided, and an exhaust gas purifying means to purify components in the exhaust gas is disposed in an engine exhaust passage. An exhaust gas recirculating means to introduce the inert gas into the combustion chamber by circulating the exhaust gas to the engine intake passage from the downstream of the exhaust gas purifying means is provided, and the temperature of the exhaust gas circulated by the exhaust gas recirculating passage when switching the first combustion to the second combustion is lowered.
Patent JP-2002221167-A (JP)
Title: Scroll type fluid machine
Inventor: SUEFUJI KAZUTAKA
IPC: F04C29/00
Filed: 2001-01-22
Abstract: PROBLEM TO BE SOLVED: To surely restrict the variation amount of the turning radius of a turning scroll at a desired position and to improve compression performance, a service life and the like. SOLUTION: A tubular body 13 is overlaid on an eccentric shaft part 4A of a drive shaft 4, and the tubular body 13 is attached to a boss part 7C of the turning scroll 7. The inside diameter of the tubular body 13 is set to a value slightly larger than the outside diameter of the eccentric shaft part 4A, and a minute space is formed between them. A pin hole 16 extending in the shaft direction is formed between the tubular body 13 and the eccentric shaft part 4A, and a cylindrical pin 17 is inserted into the pin hole 16. Thereby, the tubular body 13 is rocked by a centrifugal force and increases its turning radius, and the inside surface of the tubular body 13 abuts on the outside surface of the eccentric shaft part 4A, so that the variation amount of the turning radius can be restricted.
Patent JP-2002219908-A (JP)
Title: Pneumatic tire and fitting method therefor
Inventor: TOMITA ARATA
IPC: B60C11/04
Filed: 2001-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a pneumatic tire and a fitting method therefor capable of improving uneven-wear resistance under driving conditions, mainly going straight ahead. SOLUTION: When the following relationship is satisfied: θL<θR<190 deg.-θL where an angle of right side walls 24L, 24R, and 26 in the traveling direction of second ribs 22L, 22R and a center rib 20 to a tread surface T is taken as θR and an angle of left side walls 28L, 28R, and 30 in the traveling direction to the tread surface T is taken as θL, and the following relationship is satisfied: θSR<θSL<100 deg. where an angle of an inner side wall 32 of a right side shoulder rib 18R to the tread surface T is taken as θSR and an angle of an inner side wall 34 of a left side shoulder rib 18L to the tread surface T is taken as θSL, edge wear can be reduced on the side on which lateral force acts in using this pneumatic tire 10 on a right-side driving route.
Patent JP-2002221026-A (JP)
Title: Exhaust emission control device for internal combustion engine
Inventor: ARAKAWA MIYAO
IPC: F01N3/02
Filed: 2001-01-25
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust emission control device for an internal combustion engine capable of controlling electric power consumption from electric discharge and efficiently purifying exhaust gas by setting not to make electric current from electric discharge excessive. SOLUTION: This device uses a characteristic that light emission amount (in proportion to accelerated electron generation amount required for a reaction) from electric discharge is saturated to electric current. A clearance dimension L between insulating substrate 5, a thickness dimension (t) of the insulating substrates 5 and dielectric constant of material of the insulating substrates 5 are adjusted (adapted) to maintain electric current below the electric current saturating light emission amount from electric discharge. Accordingly, electric power consumption is controlled to eliminate waste of electric power and exhaust gas is efficiently purified.
Patent JP-2002221920-A (JP)
Title: Display device and display system
Inventor: CHISAKI SHINICHI
IPC: G06Q50/00
Filed: 2001-01-26
Abstract: PROBLEM TO BE SOLVED: To provide a display device and a display system of a low running cost without requiring a labor for changing the display content as far as possible. SOLUTION: The display device prints display contents to a mobile objects (33, 72) each of which is driven with a driving device (29), and is reciprocated or is circulated in the shape of the endless belt, and whose moving velocity is not proportional to the driving speed of the driving device. Then the display device is equipped with a display part (43) provided in the mobile object, a printer (14) for printing the display contents to the display part, an eraser (13) for erasing the display contents printed by the printer, a velocity sensor (16) for detecting the moving velocity of the mobile object, and a printing speed control means (7) for controlling the printing speed of the printer on the basis of the detected velocity of the velocity sensor.
Patent JP-2002218823-A (JP)
Title: Divider of combine harvester
Inventor: OHARA KAZUSHI
IPC: A01D63/00
Filed: 2001-01-26
Abstract: PROBLEM TO BE SOLVED: To prevent that culms are left unreaped and that the reaped culms are fallen. SOLUTION: Inner dividers 5 which each comprises an inner dividing rod 6, an attaching plate 7 and the like and is upward inclined from a front place near to the surface of a field to a rear tooth device 9 to separate the culms to be reaped are disposed between both right and left dividers 4, 4 for separating the culms to be reaped. The inner dividers 6 are disposed on both the sides of rows, respectively, and laterally bent portions are disposed in the rear portions of the threshing depth adjustment device inner dividers.
Patent JP-2001298010-A (JP)
Title: Method for cleaning surafce of silicon wafer through low pressure-high hydrogen flow rate process
Inventor: SAMOILOV ARKADII
IPC: H01L21/205
Filed: 2001-01-29
Abstract: PROBLEM TO BE SOLVED: To remove residues from the surface of a silicon wafer and, at the same time, to repair the corrosion which is caused while the wafer is cleaned by periodically cleaning and servicing the cleaner. SOLUTION: The combination of a process pressure below about 1 Torr with a hydrogen flow rate up to about 3 standard later for minute (SLM) has been found to remove substantially all oxygen contamination from the surface of the silicon wafer at a process temperature less than about 800 deg.C without the use of a reactive gas. After processing at such a process pressure and flow rate, even a lower level of oxygen contamination may be achieved by then increasing the process pressure, hydrogen flow rate, and process temperature, through the process temperature still remains less than 800 deg.C. The combination of low pressure and high hydrogen flow rate can be achieved using a vacuum pumping speed of at least 30 m3/hr. An apparatus for cleaning the surface of the silicon wafer is also disclosed.
Patent JP-2002230953-A (JP)
Title: Onboard electronic apparatus
Inventor: WATANABE MASATO
IPC: G11B33/02
Filed: 2001-01-29
Abstract: PROBLEM TO BE SOLVED: To reduce the cost of an onboard electronic apparatus in which a monitor and a tray are arranged one above the other of an apparatus body and are respectively drawably housed by commonly using one motor for moving the monitor and the tray. SOLUTION: This apparatus has the motor 35 for moving the monitor 30 between a position where the monitor is drawn out of the apparatus body and a position where the monitor is housed. The apparatus has engaging means 40 for engaging the monitor 30 and the tray 20 and making both integrally movable. More specifically, the disk tray 20 carrying a memory medium disk 1 is arranged on the upper side of the monitor 30. The engaging means 40 consists of a connecting member 43 for integrally connecting the monitor 30 and the tray 20 and an operating member 41 for actuating this connecting member 43.
Patent JP-2002232461-A (JP)
Title: Network system
Inventor: GOTO MICHIHIKO
IPC: H04L47/6275
Filed: 2001-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a network system that can conduct network communication taking quality into account by each IP packet. SOLUTION: In the network system including an ISP (Internet Service Provider) device 20 containing an access network of subscribers and a relay device 40 relaying IP packets from the ISP device on an Internet backbone, the ISP device 20 attaches a quality identifier of high quality/low quality type to IP packets from subscribers and a network including the relay device 40 conducts a segregation control (passing/abort or the like) depending on the quality identifier of the IP packets. Furthermore, the network system is provided with a server B adjacent to a relay device B, and the relay device B stores the quality identifier attached to incoming IP packets to the server B and attaches the same quality identifier to outgoing IP packets corresponding to the incoming IP packets from the server B.
Patent JP-2002223860-A (JP)
Title: Folding table
Inventor: HORIO KOJI
IPC: F16C11/10
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a folding table which is suitable for a table with a mechanism of the top plate folded in the middle, has a simple structure to extend the top plate to use easily and safely, realizes a simple and compact locking mechanism to keep the top plate extended and folded, and enables to adjust the displacement of the top plate caused by long years of use easily. SOLUTION: Opposing ends of a pair of top plates 1, 2 are connected through a mounting part 33 as they can rotate. The top plates 1, 2 can be folded by using the mounting part 33 as the center. Plural joining grooves 44, 46 including a middle joining groove 45 are formed on the periphery of the mounting part 33. A lock pin 53 which can be engaged with and removed from the joining grooves 44-46 is placed to face a region where the joining grooves 44-46 rotate. When the lock pin 53 engages with the middle joining groove 45, the top plates 1, 2 are locked during the process of extending or folding, and an operation to extend or fold the top plates 1, 2 can be suspended.
Patent JP-2002234798-A (JP)
Title: Method of producing langasite single crystal and langasite single crystal
Inventor: INABA HITOSHI
IPC: C30B29/34
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a method of producing a langasite single crystal, by which the langasite single crystal free from a secondary crystal phase and an unnecessary part and having a long size can be obtained. SOLUTION: The method of producing the langasite single crystal S comprises filling a langasite seed crystal S in the lower part of a platinum crucible 1, then filling a langasite raw material G on the langasite seed crystal S, melting the langasite seed crystal S and the langasite raw material G in a vertical furnace having a temperature gradient in the vertical direction, and moving the platinum crucible 1 in the vertical direction to grow the langasite single crystal S. In this method, the langasite raw material G is obtained by filling a langasite powder in a platinum crucible, melting the powder and solidifying the resulting melt.
Patent JP-2001266102-A (JP)
Title: Demodulator for non-contact chip card
Inventor: ROBERTS ANDREW J
IPC: G06K7/08
Filed: 2001-02-01
Abstract: PROBLEM TO BE SOLVED: To provide a demodulator for non-contact chip card, which is not affected by the level of a received signal. SOLUTION: A non-contact chip card where binary data is transmitted by a radio frequency includes a demodulator for binary data. The demodulator includes a circuit for detecting a transmitted signal, a rectifying circuit, a band pass filter, a comparator stage and a memory circuit. The band pass filter gives a low frequency signal used as a reference for two comparators and a high frequency signal supplied for comparison with the reference which changes with the low frequency signal. Consequently, demodulation is not affected by the average level of the received signal.
Patent JP-2002228135-A (JP)
Title: Dust treatment method and structure therefor for semiconductor exhaust gas treatment apparatus
Inventor: IMAMURA KEIJI
IPC: B08B5/02
Filed: 2001-02-01
Abstract: PROBLEM TO BE SOLVED: To effectively remove dust in an exhaust gas treatment apparatus. SOLUTION: The semiconductor exhaust gas treatment apparatus (A) is constituted of an exhaust gas treating tower body (3) in which an exhaust gas cracking and treating chamber (1a) is provided, a gas supply pipe (6) which is established in the body (3), for discharging exhaust gas (F) into the chamber (1a) from the tip thereof, an electric heater member (7) which is disposed around the pipe (6), and a dust removing means (2) which is open toward a deposited dust site in the chamber (1a). An inert gas (I) is intermittently gushed out of the dust removing means (2) to the chamber (1a).
Patent JP-2002234682-A (JP)
Title: Elevator hoisting device and installing method
Inventor: HATTORI YASUTAKE
IPC: B66B11/08
Filed: 2001-02-05
Abstract: PROBLEM TO BE SOLVED: To improve the workability and safety of a deflector shieve and a hoisting machine, when installed. SOLUTION: A pair of bridge members 21 are arranged on a pair of machine beams 12 in the cross direction approximately perpendicular to the longitudinal direction thereof. On the other hand, a pair of mounting members 5b mounted with the deflector shieve 5 therebetween are placed over the pair of bridge members 21 and a hoisting machine plate 4b on which the hoisting machine 4 is placed is suspended and installed on the pair of bridge members 21 via a machine base 14. This construction with the deflector shieve assembled in the pair of bridging members allows safe and easy installation work.
Patent JP-2002234311-A (JP)
Title: Tire
Inventor: TANAKA MAKOTO
IPC: B60C11/12
Filed: 2001-02-06
Abstract: PROBLEM TO BE SOLVED: To provide a tire that can reduce a value of corning power characteristics and thus suppress a degradation in the life of the tire and a road surface for a guide wheel, and can suppress generation of a crack from the bottom of a sipe. SOLUTION: The tire has a carcass 2 toroidally astride between a pair of bead cores 3, a waved belt layer 5 comprising a plurality of cords 5A meanderingly extending along a tire circumference, and a tread 6 disposed outside the waved belt layer 5 along a tire radius. No cords are present between the carcass 2 and the waved belt layer 5, and the waved belt layer 5 has two or more layers.
Patent JP-2002233872-A (JP)
Title: Apparatus for generating ionized water
Inventor: SEKI MITSUYOSHI
IPC: E03C1/10
Filed: 2001-02-07
Abstract: PROBLEM TO BE SOLVED: To provide a user-friendly ionized water generating apparatus to which calcium can be added and whose water cleaning part can easily be replaced. SOLUTION: This built-in ionized water generating apparatus is provided with a water discharging port, an operation part for discharging water or stopping a water current by a contact or non-contact input signal, a stop valve or discharging water or stopping the water current, a control part for opening/shutting the stop valve according to the input signal from the operation part, a power source part for supplying electricity to the control part, the water cleaning part disposed on the downstream side of the stop valve, an inflow pipe used for supplying water to the water cleaning part, an outflow pipe used for discharging the cleaned water from the water cleaning part, an adding port for adding calcium, a calcium housing case,  an electrolytic cell disposed on the downstream side of the calcium housing case for generating alkaline ionized water and acid water and an electrolytic water pipe 1 and another electrolytic water pipe 2 through which the alkaline ionized water and the acid water are made to pass respectively. The adding port, the water cleaning part, the water discharging port and the operation part are built in an integrated main body of the water discharging port. Any of the pipes 1 and 2 is connected to the water discharging port.
Patent JP-2002238565-A (JP)
Title: Method for amplifying viral nucleic acid
Inventor: MURATA MITSUHIRO
IPC: C12R1/92
Filed: 2001-02-13
Abstract: PROBLEM TO BE SOLVED: To provide a method for amplifying a nucleic acid which permits specifically catching a virus and simultaneously carrying out the extraction of a viral nucleic acid and the nucleic acid-amplifying reaction. SOLUTION: This method for amplifying a viral nucleic acid includes the steps of (a) adsorbing a virus in a specimen onto a water-insoluble carrier, (b) separating the resultant virus-adsorbed water-insoluble carrier from the specimen, (c) contacting the resultant virus-adsorbed water-insoluble carrier with a surfactant to release nucleic acid(s) out of the virus, and (d) amplifying the nucleic acid(s).
Patent JP-2002237789-A (JP)
Title: Provision control system of contents using broadcasting channel, its method and receiving terminal
Inventor: AIHARA KAORU
IPC: H04N21/426
Filed: 2001-02-13
Abstract: PROBLEM TO BE SOLVED: To control provision of the contents by using a broadcasting channel. SOLUTION: This provision control system of the contents using the broadcasting channel to control the provision of the contents to a receiving terminal is provided with a broadcasting center 3 to allocate channels to broadcasting radio waves and to provide the contents, an information center 2 to manage reception keys of the respective contents and to issue the reception keys and the receiving terminal 1 to receive the broadcasting radio wave and to receive the provision of the contents by using the reception keys to be issued from the information center and controls the provision of the contents in the receiving terminal 1 by the reception keys to be issued from the information center 2.
Patent JP-2002241975-A (JP)
Title: Method and device for mounting anode for electrolytic protection of water pipe
Inventor: MORI HIDEO
IPC: C23F13/00
Filed: 2001-02-14
Abstract: PROBLEM TO BE SOLVED: To provide an anode installation means in water pipe electrolytic protection which does not require suspension of water supply. SOLUTION: At the anode insertion mounting part of a water pipe 16, an electrode installation saddle 21 of a clamp 20 which has a standing short cylinder 19 having a tapered inner screw 17 for electrode installation and an outer screw 18 for attachment installation on the central top is jointed and fixed while holding a packing 22 for sealing on the lower part corresponding to the short cylindrical part 19. A hole is opened on a main pipe 16 for water disposal, and then, at the bored hole, a rod-shaped anode 40 is inserted from the above into a plug 39 which consists of an insulating material provided with a tapered outer screw 18 mating the tapered inner screw 17 of the short cylindrical part 19 of the saddle for electrode installation. An angular nut 41 for wrench biting is fixed on the top plate of the plug 39.  At a screw hole 42 opened at the center of the angular nut 41, an electrode body 38 formed by drawing the conducting wire extending from the anode is fixed by screwing into the screw 17 in the short cylindrical part 19 of the saddle 21 for electrode installation.