baber/WOPTO huggingface dataset:
Patent JP-2003049795-A (JP)
Title: Suction bell mouth for pump
Inventor: TSUGAWA TAKUJI
IPC: F04D13/08
Filed: 2001-08-06
Abstract: PROBLEM TO BE SOLVED: To provide a bell mouth for a pump reducing a boundary layer generation area, increasing a suction velocity on an impeller tip side, and matching the suction flow with the pump impeller for reducing a collision loss on the tip side for improving pump efficiency. SOLUTION: In this suction bell mouth 3 for the pump, a plurality of straightening vanes 6 extending in the axial direction and in the radial direction inward are arranged at circumferential intervals in an inlet 5 on the impeller 4 upstream side. A cross sectional shape of the straightening vane 6 is provided with a back face 6 and a body face 6B, formed into an aerofoil receiving a lift L from the axial flow of water flowing along the straightening vane 6, and bent so that the lift L is separated from the inside face 3A in the vicinity of the circumferential one side of a boundary part 7 and a reaction force of the lift L is directed to the inside face 3A in the vicinity of the circumferential other side of the boundary part 7.  In this way, water flowing along the body face 6B is pressed to the inside face 3A of the suction bell mouth 3 for reducing the boundary layer generation area R.
Patent JP-2003048800-A (JP)
Title: METHOD OF PRODUCING GaN-BASED COMPOUND SEMICONDUCTOR CRYSTAL
Inventor: KAINOSHO TAKASHI
IPC: H01L21/20
Filed: 2001-08-06
Abstract: PROBLEM TO BE SOLVED: To provide a technology for a method of producing a GaN-based compound semiconductor crystal using a rare earth group 13 (3B) perovskite as a substrate, which comprises improving the quality of a GaN thin film formed between the substrate and the GaN-based compound semiconductor crystal and by which the crystal quality of the GaN-based compound semiconductor crystal can be improved. SOLUTION: In a method for growing the GaN-based compound semiconductor crystal on the surface (1 main surface) of the substrate of the rare earth group 13 (3B) perovskite crystal containing one or more rare earth elements, a high quality GaN single crystal thin film having a uniform thickness is formed on the substrate of the rare earth group 13 (3B) perovskite crystal mentioned above by allowing Ga atom to adsorb on the substrate of the rare earth group 13 (3B) perovskite crystal so as to form several atomic layers and nitriding the adsorbed Ga atom, and then, the GaN-based compound semiconductor crystal is grown on the high quality GaN single crystal thin film mentioned above.
Patent JP-2003050633-A (JP)
Title: Autonomous moving device
Inventor: HIRAHARA YOSHIYUKI
IPC: G05D1/02
Filed: 2001-08-08
Abstract: PROBLEM TO BE SOLVED: To provide a cleaning device capable of properly controlling a traveling wheel by detecting not only an obstacle corresponding to the lower part of a cleaner main body but also an obstacle corresponding to the upper part of the cleaner main body. SOLUTION: An upper bumper 24 and a lower bumper 25 are arranged on the front side of a cleaner main body 12. An obstacle of the height corresponding to the upper part of the cleaner main body 12 is detected by the upper bumper 24 so that the collision of the cleaner main body with the obstacle can be prevented by controlling a traveling wheel 15 by a control circuit. An obstacle over which the cleaner main body 12 is not able to climb is detected by the lower bumper 25 so that the collision of the cleaner main body with the obstacle can be prevented by controlling the traveling wheel 25 by the control circuit. The obstacle over which the cleaner main body 12 is not able to climb is detected by the lower bumper 25. The obstacle with which the upper edge of the cleaner main body 12 collides is detected by the upper bumper 24.  Thus, it is possible to much more surely prevent the collision of the cleaner main body 12 to a narrow space side wall where the cleaner main body 12 is not able to enter or the falling of the cleaner main body 12 likely to occur when the cleaner main body 12 climbs over the obstacle. The cleaner main body 12 is able to properly and autonomously move on the floor. Also, the traveling wheel 15 can be properly controlled by the control circuit.
Patent JP-2003061308-A (JP)
Title: Draft cooling device of dc motor
Inventor: MURATA HIROHIKO
IPC: H02K9/04
Filed: 2001-08-10
Abstract: PROBLEM TO BE SOLVED: To prevent wear powder of a brush from entering an armature winding side by devising the draft direction of cooling air inside a motor, and to extend a maintenance interval by increasing the arrangement area of an air filter for increasing the amount of dust suction. SOLUTION: When a blowing fan 13 is driven by energizing a fan motor 12, air cleaned of the dust or the like by respective air filter units 35, 36, is fed from a cooling air intake 7 to the inside of the motor 1, and is discharged to the outside, passing through the inside of the motor 1 via a cooling air discharging port 8 and a cooling air exhaust chamber 34. In the flowing direction of the cooling air, an armature and a brush 6 is on the downstream side, which prevents the wear powder of the brush 6 from entering a rotor 4. A draft box 31 is upsized and a plurality of air filter units 35, 36 are respectively attached to the plurality of surfaces thereof, so that the whole amount of dust suction of the air filter is increased. Thus, the replacement interval of the air filter can be increased.
Patent JP-2003055165-A (JP)
Title: Opaquer and method for producing the same
Inventor: SHIMADA MASAKAZU
IPC: B01J13/00
Filed: 2001-08-13
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing an opaquer and obtain the opaquer by the method. SOLUTION: The method for producing the opaquer is to micronize a composition comprising (A) a fatty acid glycol ester, (B) a surfactant and (C) water. The opaquer is obtained by the same method.
Patent JP-2003063645-A (JP)
Title: Conveying system for conveying capsule and conveying method
Inventor: KANEKO MASANORI
IPC: B65G51/40
Filed: 2001-08-21
Abstract: PROBLEM TO BE SOLVED: To provide a conveying system for conveying capsules and a conveying method in which each branch point of a conveying line may read and control a destination mark without using a central computer at the branch point. SOLUTION: The conveying capsule has a destination indicator 85 each having the destination mark. Conveying lines 1, 2, 3, 4 are formed of a plurality of endless materials, either long or short, having a starting and arriving station 6 for each conveying capsule in the whole area or part area. The plurality of endless conveying lines and each starting and arriving station are connected to receiving branch lines 1b, 2b, 3b and discharging branch lines 1a, 2a, 3a. A discharging end side and a receiving end side of the conveying capsule of connection parts are connected to each other by means of recycle lines 2c, 3c, 4c so as to exchange the conveying capsule.  In each position before recycle lines and at least each receiving branch line provided at each conveying line, a search means is provided for searching if there is a starting and arriving station having the destination mark placed on the destination indicator of the conveying capsule.
Patent JP-2003057596-A (JP)
Title: Three-dimensional display device
Inventor: SUYAMA SHIRO
IPC: G02B27/22
Filed: 2001-08-22
Abstract: PROBLEM TO BE SOLVED: To display a three-dimensional stereoscopic image to an observer regardless of movement of the observer with respect to a three-dimensional display device which independently changes luminance of each of two-dimensional images displayed on first and second display faces to display the three- dimensional stereoscopic image. SOLUTION: The three-dimensional display device displays two-dimensional images on the first display face arranged in a position close to the observer and the second display face arranged in a position far from the observer and changes luminance of displayed two-dimensional images independently by display faces, and this display device is provided with a means which detects movement of the observer and a means which changes the position of the two-dimensional images displayed on the first display face in accordance with detected movement of the observer so that the two-dimensional image displayed on the first display face and that displayed on the second display face may overlap when viewed from the observer.
Patent JP-2003069280-A (JP)
Title: Cartridge for game machine
Inventor: YONEYAMA KAZUO
IPC: A63F13/95
Filed: 2001-08-23
Abstract: PROBLEM TO BE SOLVED: To provide a new cartridge for a game machine capable of reducing influences due to unwanted radiation of electromagnetic waves to reduce the influences due to electromagnetic waves by a simple structure and inexpensively. SOLUTION: The cartridge for a game machine is detachably attached on a game machine having a connector and a ground electrode plate with respect to a storing recessed portion, and comprises a housing, semiconductor components including a memory and a shielding contacts. Ground electrodes and external connecting electrodes are formed on a substrate stored in the housing. Each shielding contact forms terminal sections around its hemispherical portion. The housing is projected and is held so that the hemispherical portion of each shielding contact is exposed from an opening. By this constitution, the shielding contacts contact with the ground electrode plates via the openings when the cartridge is mounted on the recessed portion, thereby removing the unwanted radiation of electromagnetic waves generated in the substrate of the cartridge.
Patent JP-2003069275-A (JP)
Title: Shielding and waterproofing structure for case
Inventor: TANIGUCHI YOSHIHIKO
IPC: H05K5/03
Filed: 2001-08-23
Abstract: PROBLEM TO BE SOLVED: To provide a shielding and waterproofing structure for a case capable of reducing the number of parts to reduce the number of manufacturing steps and cost, securing a sufficient space for arrangement, and applying complete shielding and waterproofing. SOLUTION: The shielding and waterproofing structure for a case is used to accommodate a circuit board 18 stored in a case 10 of an electronic device and applies electrical shielding and waterproofing. The structure is provided with the case 10 of an electronic device for accommodating the board 18, a shield cover 14 attached on the case 10 to seal and electrically shield the inside accommodating the circuit 18, and a packing 16 attached on the outside of the cover 14 to attach the cover 14 on the case 10 so that the packing 16 is sandwiched between the cover 14 and the case 10 to seal the inside of the case 10 in order to apply electrical shielding and waterproofing.
Patent JP-2003070233-A (JP)
Title: Gate drive circuit
Inventor: MIYAZAKI YUJI
IPC: H02M1/08
Filed: 2001-08-27
Abstract: PROBLEM TO BE SOLVED: To control the rate of change in a gate potential to a desirable value without increasing the magnitude of a gate resistor. SOLUTION: The oscillation of the gate potential is prevented by decreasing the rate of change in the gate potential without any increase in a gate resistor R5 of IGBT Q13. Thus, in accordance with the on/off control of a switching control circuit SWC, a gate potential control circuit GPC1 discharges a node of a gate when it increases (at turn-on) and charges the node conversely when it decreases (at turn-off).
Patent JP-2003069807-A (JP)
Title: Image distortion correction device, image reader, image forming device and program
Inventor: ARAKI SADAFUMI
IPC: H04N1/387
Filed: 2001-08-27
Abstract: PROBLEM TO BE SOLVED: To provide an image distortion correction device capable of performing distortion correction of a scanned image without depending on proper parameters of a scanner (image reading means) even when a page binding part of a book document is parallel to the horizontal scanning direction of image reading. SOLUTION: A virtual page external form being a virtual page external form based on a page external form and a base line being a ruled line or character line and a reference line is calculated (S51 to S53), and distortion correction is applied to the scanned image on the basis of the calculated virtual page external form (S54 and S55). Thus, even when the page binding part of the book document is parallel to the horizontal scanning direction of image reading, it is possible to correct distortion of the scanned image without utilizing proper parameters (focal plane distance of lens and position (address) of scanning optical axis) of the scanner being an image reading means so that a general purpose device which does not have to depend on the proper parameters of the scanner.
Patent JP-2002142781-A (JP)
Title: Human cartilage gp39-like gene
Inventor: ADAMOU JULIE
IPC: C07K14/51
Filed: 2001-08-28
Abstract: PROBLEM TO BE SOLVED: To solve the problem that it is required that the identification of a protein useful for the therapy and diagnosis of the disorder of tissue- reorganizing action, such as rheumatoid and osteoarthritis, osteoporosis, artherosclerosis, metastatic cancers, periodontia and chronic renal disease. SOLUTION: The HCgp39-L polypeptide supposed to relate to the tissue- reorganizing action in a mammal cell, DNA (RNA) encoding the HCgp39-L polypeptide, and the method for producing the peptide by a recombinant technique are provided. In addition, the method for the therapy and the diagnosis of the rheumatoid and the osteoarthritis, the osteoporosis, the artherosclerosis, the metastatic cancers, the periodontia, the chronic renal disease, etc., by using the HCgp39-L, and a medicine for the therapy and the diagnosis are also provided.
Patent JP-2003066598-A (JP)
Title: Black photosensitive resin composition for forming black matrix
Inventor: NAKAI HIDEYUKI
IPC: C08F265/06
Filed: 2001-08-29
Abstract: PROBLEM TO BE SOLVED: To provide a black photosensitive resin composition containing a resin coated carbon black and having satisfactory resolution and sensitivity. SOLUTION: The black photosensitive resin composition, contains (A) resin coated carbon black, (B) a binder resin, (C) an addition polymerizable compound having an ethylenically unsaturated bond and (D) a photopolymerization initiator and this photopolymerization initiator is a compound having a trihalomethyl group. When a layer (3) comprising the black photosensitive resin composition is formed on a substrate (4), exposed and developed, a black matrix (2BM) is formed and a color filter can be produced.
Patent JP-2003063118-A (JP)
Title: Recorder, interface controller and interface controlling method
Inventor: MEN SHINICHI
IPC: G06F3/12
Filed: 2001-08-29
Abstract: PROBLEM TO BE SOLVED: To provide a recorder in which starting the recording all over again due to interruption of data transfer can be avoided. SOLUTION: When transfer of print data is interrupted and retransfer of print data is started in a recorder 4, the count RD- CNT of a first counter 21 is initialized and the count WD- CNT of a second counter 22 is held. During a period after retransfer of print data is started before the count RD- CNT of the first counter 21 exceeds the count WD- CNT of the second counter 22, data read out from an FIFO 14 is discarded and when the count RD- CNT of the first counter 21 exceeds the count WD- CNT of the second counter 22, data read out from the FIFO 14 is written in a receiving buffer 27.
Patent JP-2003078897-A (JP)
Title: Video distribution method and its system
Inventor: YOSHITO KOICHI
IPC: G06Q30/06
Filed: 2001-08-30
Abstract: PROBLEM TO BE SOLVED: To provide a video distribution method and its system that can provide a user with its desired video contents at a low cost and allow an advertisement requester to make effective propaganda advertisement for aiming at a particular target. SOLUTION: A contents list 30 with CM addition charge in a video server connected to a viewer terminal via a network 3 stores a plurality of providing charge lists including no charge according to the amount of CM inserted to one video contents. When the video server receives a providing request of video information from the terminal, the video server provides information of the contents list 30 with CM addition charge to a Web page. When the video server receives designated desired contents and a desired CM amount from the terminal, a video signal synthesis section 27 receives the designation, and a video contents section 24 corresponding to the designated contents inserts the CM by the designated amount to the stored video contents and distributes the resulting contents to a request source terminal.
Patent JP-2003073190-A (JP)
Title: Diamond polishing method and device
Inventor: SHIMADA SHOICHI
IPC: B24B1/00
Filed: 2001-08-31
Abstract: PROBLEM TO BE SOLVED: To provide a diamond polishing method and its device capable of smoothing a diamond surface in high efficiency and accuracy by principally clarifying the thermochemical wear-out mechanism of diamond (including a diamond film) and aggressively bringing on the wear-out caused by the oxidation of metal and the reduction of metal oxide by diamond. SOLUTION: This method for polishing the diamond D comprises bringing the diamond D being a oxidation-reduction (redox) body into contact with a metal oxide being a body to be oxidized and reduced, reducing the contact portion of the metal oxide by the carbon of a diamond surface layer, and relatively polishing thee diamond D by the carbon wear-out of a diamond side. The polishing of the diamond D is carried out in the vacuum chamber for polishing adjustable in both oxygen partial pressure and internal temperature.
Patent JP-2003071427-A (JP)
Title: Mobile polluted soil treatment machine and polluted soil treatment system
Inventor: HASHIMOTO HISANORI
IPC: B02C19/00
Filed: 2001-09-05
Abstract: PROBLEM TO BE SOLVED: To improve operation rate by ensuring the smooth continuity of a treatment work. SOLUTION: The machine is provided with an earth and sand hopper 2 that receives earth and sand polluted with volatile organic compounds, a charge conveyor 4 that transfers the earth and sand from the hopper 2 to the other side in the longitudinal direction of a body frame 9, an additive feeder 5 that feeds an additive that reacts with water to generate heat to the earth and sand transferred by the conveyor 4, a power unit that drives a caterpillar tread 10 and the mixer 3, a discharge conveyor 8 that extends from the lower position of the mixer 3 to the outside position of the other side in the longitudinal direction of the main frame 9, a transfer conveyor cover 76 that covers the top of the conveyor 8, a catalytic decomposer 80 that catalytically decomposes volatile organic compounds with a catalyst,  and a suction pipe 88 which is open to the inside of the cover 76 at one end and is connected to the decomposer 80 at the other end.
Patent JP-2003079661-A (JP)
Title: Manufacturing method of disposable diaper
Inventor: OHIRO MASAYA
IPC: A61F13/15
Filed: 2001-09-11
Abstract: PROBLEM TO BE SOLVED: To efficiently attach a fastening tape used to wear or throw away a disposable diaper to the diaper. SOLUTION: In a manufacturing step of the disposable diaper 1, a plurality of backsheets forming a garment facing surface of the diaper 1 are connected by side edges thereof to form a first web 63. The web 63 is continuously fed from the longitudinal direction thereof. Each of the backsheets adjacent each other by the web 63 is fed with a tape piece 67 extending to the longitudinal direction of the web 63 so as to cross over a line A to be side edges of the sheets. The tape piece 67 is folded into a Z-shape or a reverse Z-shape, a first adhesive is applied to the lower part of the tape piece 67 which is positioned on the top of the Z-shape or reverse Z-shape, a second adhesive is applied to the lower part of the tape piece 67 which is positioned on the bottom of the Z-shape or reverse Z-shape, and the tape piece 67 is bonded to the web 63 with the second adhesive.  The web 63 and the tape piece 67 are cut along the line A.
Patent JP-2003086874-A (JP)
Title: Pulse oscillating gas laser device
Inventor: SAITO TAKASHI
IPC: H01S3/134
Filed: 2001-09-12
Abstract: PROBLEM TO BE SOLVED: To provide a pulse oscillating gas laser device in which an influence of an impulse wave on a discharging space is reduced. SOLUTION: This pulse oscillating gas laser device is provided with a laser chamber (12) where internally sealed laser gas is excited by pulse discharging to oscillate laser light, a temperature sensor (38) for detecting the gas temperature (T) of the laser gas, a laser controller (29) for detecting the oscillation frequency (f) of the laser light, and a gas temperature changing means for changing the gas temperature (T) of the laser gas according to an instruction from the laser controller (29). The laser controller (29) estimates a maximum frequency (fn) on the basis of the gas temperature (T) in which the beam profile of the laser light is disturbed, and displaces the maximum frequency (fn) out of the oscillation frequency (f) of the laser light.
Patent JP-2003089543-A (JP)
Title: Optical glass for mold press forming
Inventor: SATO FUMIO
IPC: C03C3/097
Filed: 2001-09-13
Abstract: PROBLEM TO BE SOLVED: To produce lead-free optical glass or mold press forming which has a refractive index (nd) of 1.55 to 1.65 and an Abb's number (νd) of >=55, and is suitable for mold press forming. SOLUTION: The lead-free optical glass for mold press forming having the refractive index (nd) of 1.55 to 1.65 and the Abb's number (νd) of >=55 has a softening point of <=650 deg.C, and satisfies that ΔT= forming temperature (the temperature in 10<1.5> P)-liquid phase temperature} is >=50 deg.C, and reduction in weight by powder process water resistance according to Japanese Optical Glass Industrial Standards JOGIS is <0.10%, and the reduction in weight by powder process acid resistance according to the same is <0.35%. The optical glass has a composition containing, by mass, 30 to 45% SiO2 , 5 to 35% B2 O3 , 5 to 27% RO (R is Mg, Ca, Ba, Sr), 1 to 12% R'2 O (R' is Li, Na, K), 4.5 to 23% La2 O3 , and the ratio of RO to La2 O3 is <1.3.
Patent JP-2003087221-A (JP)
Title: Device and method for receiving and demodulating cdma
Inventor: AKIBA TORU
IPC: H04J13/00
Filed: 2001-09-13
Abstract: PROBLEM TO BE SOLVED: To realize the reduction of demodulation processing delay by setting up the processing unit of back diffusion to one over an integer of one symbol. SOLUTION: The CDMA receiving/demodulating device has a constitution for performing the memory write processing, back diffusion processing and integration processing of received data in a unit time corresponding to one over the integer of one symbol. Since back diffusion is performed in each unit time obtained by dividing the received data of one symbol into one over the integer in the constitution, time required for storing the received data in a memory part 105 and stand-by time from the completion of storage in the memory part 105 up to the start of back diffusion processing in a back diffusion processing part 109 can be shortened and the processing delay of the whole demodulation processing can be reduced.