baber/WOPTO huggingface dataset:
Patent JP-2003019590-A (JP)
Title: Reflow soldering method
Inventor: SAWABE HIROSHI
IPC: C22C13/00
Filed: 2001-07-05
Abstract: PROBLEM TO BE SOLVED: To provide a soldering method of a VPS(vapor phase soldering) system with the aim of mass production using tin - zinc based lead free solder thereby to realize electronic equipment having a long service life. SOLUTION: An inert liquid 2 having a known boiling point temperature higher than the melting point of solder by about 10 deg.C is evaporated, and the concentration of oxygen in the vapor atmosphere 2a is controlled to <=300 ppm, and reflow soldering is performed.
Patent JP-2003019949-A (JP)
Title: Traveling vehicle
Inventor: IKEUCHI NOBUAKI
IPC: A01B71/08
Filed: 2001-07-05
Abstract: PROBLEM TO BE SOLVED: To provide a traveling vehicle having a vehicle body jack-up device allowing easy repairing or checking of wheels. SOLUTION: The elevating/lowering vehicle 1 has a leg 34 capable of lifting a vehicle body on rear wheels 8 and 8 side or front wheels 7 and 7 side by turning the respective wheels in the backward direction when the front wheels are brought into contact with the ground, or in the forward direction when the rear wheels are brought into contact with the ground with one end of the leg turnably fitting to the vicinity of a rear wheel axle 8a or a front wheel axle 7a below the vehicle body 2, and with the other end part brought into contact with the ground when the leg is used. The traveling vehicle 1 can be jacked up in a paddy field, etc., by a simple method, the wheel can be easily checked and maintained, and mud and dirt adhered to tires can be removed by idling the tires of the front wheel 7 or the rear wheel 8.
Patent JP-2003022277-A (JP)
Title: Device and method for retrieving document
Inventor: KOBAYASHI TSUTOMU
IPC: G06F17/30
Filed: 2001-07-06
Abstract: PROBLEM TO BE SOLVED: To provide a document retrieving device and method capable of performing proper retrieval under the consideration of an inter-word concept hierarchy at the time of retrieving a document. SOLUTION: A thesaurus dictionary 5c is preliminarily stored with information associated with inter-word concept hierarchy such as the homonym of a prescribed word, a word being the high order concept of the prescribed word, and a word being the low order concept of the prescribed word. At the time of performing retrieval by using a retrieval key document, a controller 1a performs matching processing by using words. At that time, the matching processing of the words whose concept hierarchies are different such as words being the high order concept or low order concept of words included in the retrieval key document is also performed. As for the retrieved result, the concept hierarchy between the matched words and the words in the retrieval key document is considered, and the words included in the relatively close concept hierarchies are highly weighted.
Patent JP-2003021345-A (JP)
Title: Hot-water pipe-unit for floor for hot-water floor- heating
Inventor: INOUE TAKAO
IPC: E04F15/18
Filed: 2001-07-06
Abstract: PROBLEM TO BE SOLVED: To provide a hot-water pipe unit enabling efficient laying of a floor- finishing board without sticking of adhesive on a hot-water pipe. SOLUTION: A hot-water floor heating 1 comprises a hot-water pipe unit 20 mounted on a floor substrate 10, and a floor-finishing board 30 laid on the substrate 10 to cover the pipe unit 20 laid on the substrate 10. The hot-water pipe unit 20 comprises hot-water pipes 21 shaped in a predetermined pipe pattern, and a base sheet 22 holding the pipes 21, and a protection cover 26 fit on the base sheet 22 to cover the pipes 21. The floor-finishing board 30 can be laid efficiently, because adhesive V applied on the rear of the board 30 does not stick onto the pipes 21 at the time of accommodation of the pipes 21 into accommodation grooves 31a, 31b formed on the rear of the floor finishing board 30.
Patent JP-2003023325-A (JP)
Title: Power amplifier, low distortion power amplifier, multistage amplifier, control method for power amplifier, transmitting circuit and radio communication equipment
Inventor: KOMATSU NAOKI
IPC: H04B1/04
Filed: 2001-07-06
Abstract: PROBLEM TO BE SOLVED: To provide a power amplifier with which the symmetry of distortion to appear in amplifier output can be controlled. SOLUTION: This device is provided with an input terminal 101 for inputting an input signal from the outside, a transistor 104 for amplifying the input signal, an output terminal 107 for outputting an output signal from the transistor 104 to the outside, and a control circuit 108 for performing control so that the frequency distribution of a distortion component in the signal to appear on the output terminal can become symmetric or asymmetric to a carrier frequency.
Patent JP-2003021297-A (JP)
Title: Device and method for delivering residual liquid inside tank
Inventor: YAMAGUCHI TOSHIYUKI
IPC: B65D90/00
Filed: 2001-07-09
Abstract: PROBLEM TO BE SOLVED: To provide a device and a method for delivering residual liquid inside a tank allowing safe and quick delivering of residual liquid inside the tank to the low liquid level. SOLUTION: This device for delivering residual liquid inside the tank comprises a temporarily installed pump 17 placed on bottom surface of the tank, a back flow preventing device 18 connected with a discharge port of the pump 17, a discharge pipe 19 connected with the device 18 and sequentially added by a screw joint for lowering, a seal device 15 placed between the discharge pipe 19 and a nozzle 11 of a tank roof into which the discharge pipe penetrates, and a constant hanger 16 fixed on a temporal stage 12 on the tank roof.
Patent JP-2003015194-A (JP)
Title: Image pickup unit for ocular image
Inventor: HORIGUCHI SHUICHI
IPC: A61B3/10
Filed: 2001-07-10
Abstract: PROBLEM TO BE SOLVED: To provide an image pickup unit for an ocular image by which the image is precisely photographed with simple constitution. SOLUTION: This image pickup unit for the ocular image incorporates an objective lens 1, an imaging device 2 such as a CCD constituting an image pickup part, a light shielding part 3 and a light guiding part 4 as a basic constitution. The light shielding part 3 intercepts a part of a photographing optical path, and is concentrically provided with the optical axis 5 of a photographing optical system. The light guiding part 4 guides visible light from a visible light source to the side of the objective lens 1 from the middle of the photographing optical path. The cross section of the guided visible light 6 has a shape similar to the light shielding part 3, and a center thereof coincides with the optical axis 5.  Also, the area rations of the cross section of the visible light 6 and the light shielding part 3 to the effective optical path cross section of the photographing optical system are set nearly equal or the area ratio of the visible light 6 is set to be a little larger.
Patent JP-2003030988-A (JP)
Title: Semiconductor memory circuit
Inventor: ARAI KOJI
IPC: G11C11/412
Filed: 2001-07-12
Abstract: PROBLEM TO BE SOLVED: To improve software error resistance, without having to increase the number of manufacturing processes. SOLUTION: This circuit has an inverter circuit INV1, of which an input terminal is connected to a storage node (a), and an output terminal is connected to a storage node (b), an inverter circuit INV2 of which an input terminal is connected to a storage node (b) and an output terminal is connected to a storage node (a), a nMOS transistor NM1 of which a gate terminal is connected to the storage node (a), a pMOS transistor PM1 of which a gate terminal is connected to the storage node (b), and a nMOS transistor NR1 connecting each drain of the nMOS transistor NM1 and the pMOS transistor PM1 to a read bit line RBL1.
Patent JP-2003025500-A (JP)
Title: Resin coated seamless can
Inventor: SATO KAZUHIRO
IPC: B32B15/08
Filed: 2001-07-12
Abstract: PROBLEM TO BE SOLVED: To provide a resin coated seamless can which is excellent in anticorrosive property and shock resistance. SOLUTION: This resin coated seamless can comprises a resin coated metal plate wherein a polyester resin layer containing polyethylene terephthalate is coated on the surface of a metal base body. In such a resin coated seamless can, the dynamic hardness DH of the polyester resin layer on the internal surface side of the can body section, which is represented by an equation DH=37.838×P/D<2> (1), is set to be not more than 20. In this case, P represents a load, and D represents an insertion depth when the load P is applied to 1 g at a speed of 29 mgf/sec to the polyester resin layer of the can body section by a 115 deg. triangular pyramid-shape indentator.
Patent JP-2003029051-A (JP)
Title: Protection member for coated optical fiber and harness using the same
Inventor: SHINTANI SHINJI
IPC: G02B6/00
Filed: 2001-07-13
Abstract: PROBLEM TO BE SOLVED: To provide a protection material for a coated optical fiber, which prevents a resin layer from being broken as well lateral pressure and bending deformation with a small radius of curvature that the coated optical fiber has owing to external factors. SOLUTION: The protection material 10 for the coated optical fiber used to protect the coated optical fiber 20 having its surface coated with the resin layer 22 is formed of a flexible material in a belt shape and has a core fitting-in groove 11, in which the coated optical fiber 20 can be fitted, along the length.
Patent JP-2003027257-A (JP)
Title: Method for forming film and material to be formed with film
Inventor: MIURA KENICHI
IPC: C23C28/00
Filed: 2001-07-16
Abstract: PROBLEM TO BE SOLVED: To provide a method for forming films capable of making a surface higher in the functions, such as lubricity, which cannot heretofore be achieved by subjecting the surface to two stages of surface treatment, and a material to be formed with the film. SOLUTION: The method has a first film forming process step P1 of forming a first film 2 evenly dispersed with fine particles 4 like those of a solid lubricant on the surface of a base material 1 and a second film forming process step P2 of laminating a second film 3 on the first film 2 formed in the first film forming process step P1. A multiplicity of the fine particles 4 having the diameter greater than the total thickness size of the first and second film 2 and 3 are embedded in these films in the state of partly exposing the particles to the outside. Further, the method has a fine particle removing process step P3 of removing the fine particles 4 from the first and second films 2 and 3 formed in the second film forming process step P2. Anchor holes are formed in the surface and the durable period of a lubricant is prolonged when the lubricant is laminated.
Patent JP-2003025809-A (JP)
Title: Pneumatic tire
Inventor: KUROKI TAKESHI
IPC: B60C11/13
Filed: 2001-07-17
Abstract: PROBLEM TO BE SOLVED: To have superior draining performance and traction performance and reduce a crack in a tread in a tread-pattern pneumatic tire having a zigzag main groove extending in the tire circumferential direction. SOLUTION: This pneumatic tire is characterized in that the tire tread surface is provided with the zigzag main groove extending in the tire circumferential direction, a zigzag angle α in an internal corner part of the main groove is 60-120 deg., and a tapered part with a ridge line length of 3 mm-8 mm is formed in the internal a corner part. It is preferable that both of two tapered angles β1 and β2 formed by the tapered part and the ridge lines of the both-side main grooves are 120 deg. or more. The tapered part is formed flush with the tread surface.
Patent JP-2003026210-A (JP)
Title: Nozzle for leading stuff to be packaged, fitting method thereof, and leading nozzle fitting structure
Inventor: KASAI YOSHIKAZU
IPC: B65D47/36
Filed: 2001-07-17
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive nozzle for leading a stuff to be packaged with a simple structure. SOLUTION: A liquid 8 in a vessel is allowed to spout through an inner through hole 9 by piercing a tip part in a non-stretching film 7 to seal an opening 6 of a packaging vessel 4. A piercing tip part 10 is substantially conical and a tip 11 thereof is curved.
Patent JP-2003031123-A (JP)
Title: Manufacturing method of cathode-ray tube and aligner
Inventor: ICHIHARA KOJI
IPC: G02B1/00
Filed: 2001-07-17
Abstract: PROBLEM TO BE SOLVED: To reduce the exposure time, for example, in the manufacturing method of a cathode-ray tube for forming carbon and fluorescent substance stripes of the CRT (cathode-ray tube). SOLUTION: This is a manufacturing method of a cathode-ray tube in which exposure lenses 4 are formed by optical glass mainly made of SiO2 and B2 O3 having a softening point temperature of 750 deg.C or less, and carbon or fluorescent substance stripes of the cathode-ray tube are formed using the exposure lenses.
Patent JP-2003030872-A (JP)
Title: Optical head driving device
Inventor: HASHIMOTO GAKUJI
IPC: G11B7/09
Filed: 2001-07-17
Abstract: PROBLEM TO BE SOLVED: To provide an optical head driving device that can reduce the influence of resonance mode without impairing actuator sensitivity. SOLUTION: The position in the axial direction of a laser beam 20 that is wound on the side face of the bobbin 12 of a focus coil 13 is set as a position away from the supporting center 15a of a leaf spring 15, in the opposite direction from the side where an objective lens 11 is fixed on the bobbin 12. As a result, the weight balance in the optical axis direction of the laser beam 20 relative to the weight of the objective lens 11 can be maintained without increasing the weight of the movable part 10 in the optical head.
Patent JP-2003029101-A (JP)
Title: Method for manufacturing optical fiber, and device for manufacturing optical fiber
Inventor: ONO KATSUHIRO
IPC: C03C25/10
Filed: 2001-07-18
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing optical fibers and a device for the manufacture of optical fibers, in which electron beams are absorbed efficiently by an optical fiber traveling at a high speed to instant aneously make the coating material applied on the fiber surface harden and the production rate is increased in a small space. SOLUTION: The device for hardening the coating material of an optical fiber is realized, where electrons emitted from a cathode in a vacuum region maintained at a high vacuum state are accelerated between the cathode and an anode, having holes to pass electrons and then transmitted through electron transmission windows, to guide the electrons to the outside of the vacuum region; the transmitted electrodes are converged to the optical fiber by electromagnets disposed concentric with the electron transmission windows, so as to increase the hit probability to the optical fiber; the plane including the electron transmission windows is disposed to cross the passage of the optical fiber, so that the production rate of the optical fiber can be increased without extending over the whole length;  and the electron density in the electron transmission windows is reduced to prevent overheating of the windows and to improve reliability.
Patent JP-2003029250-A (JP)
Title: Manufacturing method of colored electro-optic device, colored electro-optic device and electronic equipment using the same
Inventor: WACHI REIKO
IPC: G02F1/1335
Filed: 2001-07-19
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a electro-optical device, an electro-optical device and electronic equipment using the electro-optical device capable of displaying a high quality image by optimizing material constituting a color filter layer and improving a voltage holding characteristic. SOLUTION: As a compounding ratio of a dispersant is changed from low concentration to high concentration between pigment and a dispersant in a pigment dispersing element for a color filter, a first high viscosity composition region C1 where the pigment dispersing element becomes high viscosity, low viscosity composition region C2 where the pigment dispersing element becomes low viscosity, and a second high viscosity composition region C3 where the pigment dispersing element becomes high viscosity appear, and a voltage holding rate is high in the low viscosity composition region C2. Then, if pigment and a dispersant are blended with a compounding ratio corresponding to the low viscosity composition region C2 to form a color filter layer, a voltage holding characteristic can be improved in the electro-optic device.
Patent JP-2003033856-A (JP)
Title: Equipment for casting mold
Inventor: TSUDA AKIHIKO
IPC: B22D17/22
Filed: 2001-07-19
Abstract: PROBLEM TO BE SOLVED: To provide equipment for casting a mold, equipped with a small simple device for transferring a mold, which does not require the cease of operation of the equipment when the mold is repaired or replaced. SOLUTION: The equipment comprises: an injection device for injecting and filling molten metal into a pair of molds 17 constituting a movable mold and fixed mold; an injection station 1 equipped with a fixed board for mold clamping and a movable board 7 for mold clamping; an ejection station 2 equipped with a movable board 13 for opening and closing the molds which can move up and down; a mold replacement station which has a space for mold replacement operation; a mold transfer table 11 which can travel between the stations; the rails 5 for mold clamping member constituting a guide member when the table 11 travels; a table for mold replacement, of which the position is fixed on the fixed board for opening and closing the molds during the period of producing a cast product and which is made movable between the mold replacement stations during the period of mold replacement operation;  rails 10 for a mold opening and closing member constituting a guide member used for moving the table 11 in and out of the injection station 1; a transfer means of the table 11;, and a transfer means of the table for mold replacement.
Patent JP-2003037808-A (JP)
Title: Electronic still camera and program for realizing the same
Inventor: ISHITA KENJI
IPC: H04N101/00
Filed: 2001-07-24
Abstract: PROBLEM TO BE SOLVED: To provide an electronic still camera and a program with which anybody can form an animation file easily and quickly. SOLUTION: While an animation photographing mode is set, every time a shutter is pressed, image data taken into a DDC data taking region 3a of an image memory 3 is temporarily stored in a program operation region 3b. At a time when the animation photographing data mode is released, an animation file Fa including multiple still image data 1-m in a prescribed format is formed from the data 1-m stored in the region 3b, and the file Fa is stored with a still image file Fb and an motion image file Fc in an external memory 8 such as a flash memory. Thus, multiple shutter operations form the file Fa automatically. Also, the file Fa is selected after setting a reproduction mode, the data 1-m included in the file Fa are successively read out and are successively displayed on a monitor.
Patent JP-2003033291-A (JP)
Title: Bathroom environment control system
Inventor: HIROISHI AKIHIKO
IPC: H04N7/18
Filed: 2001-07-26
Abstract: PROBLEM TO BE SOLVED: To provide a bathroom environment control system which detects a motion condition or a staying position of a bather to automatically control the bathroom environment so that the bathroom environment is most suitably controlled for the bather matching the motion condition or the staying position to enable the bather to enjoy comfortable bathing. SOLUTION: This bathroom environment control system is equipped with a motion detecting sensor 1 to detect motion of a bather in a bathroom 2, a bather's motion condition estimating means 3 to estimate the motion condition of a bather in the bathroom 2 based on data detected by the motion detecting sensor 1, an environment control means 4 to control the environment in the bathroom 2, and a controller 5 to control the environment control means 4 so as to switch the environment in the bathroom 2 to one corresponding to the motion of the bather estimated by the motion condition estimating means 3.
Patent JP-2003040618-A (JP)
Title: Composite material containing calcium carbonate and its producing method and coating paper using it
Inventor: MAKINO KENSHIRO
IPC: D21H19/38
Filed: 2001-07-26
Abstract: PROBLEM TO BE SOLVED: To provide a light calcium carbonate composite containing a white inorganic oxide such as kaolin, clay or the like able to be utilized because of its high whiteness for a coating pigment or a decorator for paper, paint, ink, a filler for plastic and other use as a filler. SOLUTION: A fine particle in mineral resources which contains one or more kinds of white inorganic oxide is aged for a specific time and then carbonated by a gas containing carbon dioxide after it is mixed in a suspension containing calcium hydroxide. When the carbonation rate is reached to 2-10% in the carbonation process, a water soluble phosphate is added in the reaction solution. By the sequential reaction the spherical calcium carbonate particle covered with a coating layer of which the surface contains the white inorganic oxide and calcium carbonate is produced.
Patent JP-2003033759-A (JP)
Title: Contaminant spread prevention method using water retaining type underground wall
Inventor: KOMODA TOSHIRO
IPC: B09C1/04
Filed: 2001-07-26
Abstract: PROBLEM TO BE SOLVED: To provide a method wherein a high spread prevention effect can be obtained in a comparatively easy way and at a low cost in a contaminant spread prevention method using a water retaining type underground wall. SOLUTION: An underground wall 1 is constructed such that is reaches a non-permeable layer U in such a way as to surround a contaminated area 1 to seal the contaminated soil at the original position. A space part 2 is excavated to the underground wall 1 itself and water is poured into its inner part. By always keeping the water level inside the space part 2 of the underground wall 1 higher than that of the peripheral underground water, a infiltration flow from the underground wall 1 having slight water permeability toward the peripheral ground, thereby preventing the contaminated underground water from passing through the underground wall 1 and spreading to the outside area O of the contaminated area. In order to prevent the inner wall of the space part 2 from collapsing, a filler 7 that does not damage permeability may be filled.  Further, in order to ensure water stop performance of the underground wall 1, a liner sheet is installed inside the space part 2.
Patent JP-2003046131-A (JP)
Title: Semiconductor light emitting device with chromaticity correction function
Inventor: NEI MASAMI
IPC: H01L33/50
Filed: 2001-07-27
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor light emitting device which is equipped with a white light emitting function and a color shade adjusting function in one semiconductor substrate. SOLUTION: In the semiconductor light emitting device, a white light emitting element 7 capable of emitting white light by color-mixing a blue light emitting element with a phosphor which is excited to blue light emitted from the blue light emitting element and which light-emits a yellow color and an auxiliary light emitting element 8 which light-emits at least one color from among a blue color and a yellow color are arranged on the same substrate 1. The driving current of the element 8 is made variable in advance with reference to an emission spectrum with which the element 7 is equipped, a prescribed emission spectrum to which a blue or yellow emission spectrum is added can be obtained, and a prescribed chromaticity can be obtained.