baber/WOPTO huggingface dataset:
Patent JP-2003283801-A (JP)
Title: Apparatus and method for embedding reversible information, apparatus and method for reproducing contents, program, and recording medium
Inventor: KANEKO JUNICHI
IPC: H04N19/423
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To obtain high-quality contents by restoring contents in which reversible information is embedded.  <P>SOLUTION: In a method (a), first of all, contents 1 are divided into eight contents planes 1A, and bit streams on a low-order contents plane 1a therein are reversibly compressed. Next, decoded information of compressed data is written in an area 1c generated by the compression and afterwards put together with the other seven contents panes to obtain contents 1B in which reversible information such as electronic watermarking is embedded. In a method (b), the contents are divided into blocks, and data in each block are converted to a predictive error code or DCT coefficient. Next, a numerical value for each block is reversibly compressed. Decoded information of compression encoded data is written in an area 1d of each block generated by the compression and afterwards returned into state before the division into the blocks to obtain the contents 1B in which the reversible information is embedded.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003297412-A (JP)
Title: Winding device for electrode
Inventor: NAGARE TATSUYA
IPC: H01M10/04
Filed: 2002-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a winding device for an electrode capable of correcting the dislocation quickly by enhancing the responsiveness of each EPC unit, locating the EPC unit in the neighborhood of a winding means by constructing it small, and thereby certainly suppressing a dislocation of a positive or a negative plate.  <P>SOLUTION: A first correcting means 8 constitutes an EPC unit on the side with the positive plate 10 while a second correcting means 9 constitutes an EPC unit on the side with the negative plate 11, wherein at least one of the correcting means 8 and 9 is driven by a piezo element 30.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003289456-A (JP)
Title: Small-sized imaging module
Inventor: KAYANUMA YASUAKI
IPC: H04N5/374
Filed: 2002-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a small-sized imaging module with a structure of employing a plastic lens that can be surface-mounted by solder reflow.  <P>SOLUTION: An IR cut filter 23 is fitted to an upper face of a case 22 to shut off an infrared ray from an upper part in a reflow furnace. The IR cut filter may be kept attached even after mount on a circuit board. A cylinder part 22c for containing a lens 6 is configured to be suspended from a ceiling part 22b of a case upper end into the inside the case so as to extend a thermal conduction path from the board to the lens through bypass of the board, a case side wall, the ceiling, the cylinder and the lens thereby reducing the thermal conduction. The case of a double structure in the lateral direction of the lens permits heat prevention effect. A shelf 22a in the inner circumference of the cylinder is not a continuous annular shape but divided into several parts to reduce the contact area between the lens and the case thereby decreasing the thermal conduction.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003298535-A (JP)
Title: Apparatus, method and program for calculating radio wave measuring route
Inventor: TAKANO SHIGEHIRO
IPC: H04B17/391
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus, method and program for calculating radio wave measuring route for calculating an optimum measurement route to actually measure an area wherein a radio wave is shielded by an obstacle and providing the route to measurer.  <P>SOLUTION: A server 1 calculates a radio wave shield area from radio wave transmission source position data stored in a radio wave transmission source position database 11 and building position data stored in a building position database 12, calculates a measurement route to actually measure a radio wave strength around the radio wave shield area from the calculated radio wave shield area and map data stored in a map database 14, and stores the route to a measurement route database 15. The server 1 transmits the calculated measurement route upon request of a mobile terminal 30.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003292393-A (JP)
Title: Apparatus and method for manufacturing compound semiconductor single crystal, compound semiconductor single crystal
Inventor: TOBA RYUICHI
IPC: C30B29/42
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus and a method for manufacturing a compound semiconductor single crystal wherein the temperature can be grasped more accurately and it is easy to control the temperature uniformly.  <P>SOLUTION: When manufacturing the compound semiconductor single crystal by heating with a heater 13 placed around a crucible vessel 11, thermal conduction to the crucible vessel 11 is controlled by providing a uniformly heating member 13 between the crucible vessel 11 and the heater 13. The uniformly heating member 12 may be rotated. The uniformly heating member 13 makes exothermic unevenness even and can heat the surroundings of the crucible vessel 11 uniformly. Further, the temperature can be controlled by grasping accurately the temperature of a seeding part, or the like.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003185846-A (JP)
Title: Linear light emitter and method of manufacturing the same
Inventor: TAZAWA HARUTSURA
IPC: F21W106/00
Filed: 2002-04-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high performance linear light emitter having an optimized angular distribution of outgoing light in a peripheral direction and capable of radiating light from a side peripheral surface with a high directivity without a loss.  <P>SOLUTION: This linear light emitter has at least a translucent bar-like body having a light incident part at at least one end thereof, wherein a light reflective groove provided with a light reflective surface that faces the light incident part is formed on a peripheral side surface along an axial direction. In the linear light emitter, a light reflective layer is formed on the light reflective groove of the translucent bar-like body and a land other than the light reflective groove. An efficient method for manufacturing the linear light emitter is provided.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003258685-A (JP)
Title: Non-linear distortion equalizer circuit, non-linear distortion equalizing method and non-linear distortion equalizing program
Inventor: OUCHI MIKIHIRO
IPC: H04N5/455
Filed: 2002-04-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a non-linear distortion equalizer circuit for compensating non-linear distortions in a complex signal in digital transmission on the receive side.  <P>SOLUTION: A carrier-reproducing circuit 111 removes a phase error e<SP>-jp(n)</SP>of a modulation signal, and outputs a signal x(n) having established phase synchronization. A complex signal converting circuit 102 for non-linear distortion compensation removes third-order distortion of the signal x(n) by using a coefficient a<SB>3</SB>(n) for third-order distortion compensation generated in a coefficient updating circuit 105 for nonlinear distortion compensation. A root roll-off cosine filter 103 makes only the signal of Nyquist bandwidth pass through, an error- calculating circuit 104 calculates error between this signal v(n) and a nearest code point d(n), and outputs d(n) to an error correction section. The circuit 105 updates a coefficient a<SB>3</SB>(n), on the basis of LMS algorithm by using an error signal e(n) and the signal x(n).  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003293473-A (JP)
Title: Heat insulating backing material for floor or the like
Inventor: SAWADA YUKIYOSHI
IPC: E04F15/02
Filed: 2002-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat insulating backing material for a floor or a roof with high heat insulating efficiency, easily constructed and low in cost.  <P>SOLUTION: A heat insulating backing material is formed of a heat insulating board 11 of integral holding structure of hard polyurethane foam 14 formed by charging hard polyurethane with a foaming agent added thereto, between a wooden front plate 12 and a wooden rear plate 13 formed of floor boards, and foaming it. The heat insulating board 11 is directly attached onto a sleeper 15 through nails to form the heat insulating backing of the floor. A floor finishing plate 16 is laid on the heat insulating board 11 to finish it as the floor.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003022428-A (JP)
Title: Rfid element for metal body, and metal body discriminating device using the same
Inventor: ENDO TAKANORI
IPC: G08C17/00
Filed: 2002-04-04
Abstract: PROBLEM TO BE SOLVED: To accurately discriminate a metal body without any variation in resonance frequency nor the Q value of a coil which is sent form a discriminating body and for activating an RDID circuit even when fitted integrally to the metal body such as a metallic tube. SOLUTION: The RFID element 10 for the metal body is equipped with a magnetic material 11 as a magnetic core, an antenna coil 12 which is wound around the magnetic material, and an RFID circuit 13 which is connected to the antenna coil and the outer circumferential surface of the antenna coil 12 is fitted integrally to the metal body 20 opposite the external surface of the metal body 20 across an electromagnetic shield material 14. The RFID circuit 13 has a memory 13f which stores data characteristic of the metal body 20 and is activated with a radio wave of specific frequency from the metal body discriminating device 30 to read data out of the memory 13f according to a readout command by data communication of the radio wave and write the data to the memory 13 according to a write command, thereby generating a response signal to the discriminating device 30.
Patent JP-2003292669-A (JP)
Title: Method for recyclably gaining polystyrene resin from used and waste resin molded product
Inventor: YAMAGUCHI HIROSHI
IPC: C08J11/08
Filed: 2002-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a simple process excellent in both the utility factor and efficiency for recyclably gaining a styrene resin excellent in the purity and quality from used and waste resin molded products containing polystyrene resins.  <P>SOLUTION: The method for recyclably gaining a styrene resin comprises the steps of: bringing abandoned polystyrene resin molded products into contact with a mixed esterified product DBE obtained as a raw material of an wastage from an adipic acid-preparing process to thereby obtain a DBE solution of a collected resin having the dissolvable resin component comprising mainly polystyrene resins, after removing solid non-resinous impurities, charging a DBE-containing crude collected resin into a vent extruder, and kneading while discharging the DBE through a vent to thereby produce a resin material with a specified shape.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003293746-A (JP)
Title: Exhaust emission control device for internal combustion engine
Inventor: OKI HISASHI
IPC: F01N13/02
Filed: 2002-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a poisoning restoring technology for suppressing the occurrence of odors accompanying poisoning restoration of exhaust emission control catalysts.  <P>SOLUTION: Before a curing period for exhaust emission control catalysts 50a, 50b passes, the poisoning of the exhaust emission control catalysts 50a, 50b is estimated in accordance with engine operating histories, the time when the poisoning is estimated is considered as a SOx poisoning restoration timing, and SOx poisoning restoring control is performed. The SOx poisoning restoring control in accordance with the output of a NOx sensor 25 can be performed even in the curing period, and when the SOx poisoning restoring control in accordance with the output of the NOx sensor 25 is requested in the curing period, the SOx poisoning restoring control is performed while suppressing the release concentration of poisoning components during the SOx poisoning restoring control. Furthermore, the SOx poisoning restoring control in accordance with the engine operating histories thereafter is performed more quickly.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003300942-A (JP)
Title: Method of separation for fluorine based mixed solvent composition
Inventor: HIRASAWA TOSHIKAZU
IPC: C07C209/86
Filed: 2002-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of reproducing a single fluorine compound from a waste of fluorine based mixed solvent composition containing a perfluoro organic compound and hydrofluoro organic compounds, in a short time and low cost.  <P>SOLUTION: The method of separation comprising a step adding an extractant to the fluorine based mixed solvent composition containing the perfluoro organic compound and one or more kind of hydrofluoro organic compounds and transferring the hydrofluoro organic compounds to the extractant by stirring, and a step separating and reproducing the perfluoro organic compound from the mixed solvent composition, the extractant which is insoluble in the perfluoro organic compound and having compatibility to the hydrofluoro organic compound greater than that of the perfluoro organic compound, is used.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003301890-A (JP)
Title: Reduction gear mechanism and electric power steering device using the same
Inventor: MURAKAMI TETSUYA
IPC: F16H1/16
Filed: 2002-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a friction force applied to an engaging part, and increase a holding force for a distance between rotation centers against an engaging reaction force.  <P>SOLUTION: The other end of a worm 1 the one end part of which is supported by a housing 3 by a rolling bearing. An electric power steering device comprises a moving element 7 movable in a direction in which the worm 1 is pressed against a worm wheel 2; a coil spring 9 energizing the moving element 7; and a guide hole 35 to guide the movement of the moving element 7. A resistance element 11 to apply a resistance force lower than the energizing force of the soil spring 9 on the worm 1 or an elastic element 25 is situated between the guide hole 35 and the moving element 7. The energizing force of the coil spring 9 can be set to a value capable of suppressing the movement of the worm 1 by an engaging reaction force, and a pre-load applied to the engaging part can be decreased.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003301113-A (JP)
Title: Asphalt composition
Inventor: NAKAJIMA SHIGEO
IPC: C08L53/00
Filed: 2002-04-09
Abstract: <P>PROBLEM TO BE SOLVED: To obtain an asphalt composition that has a good elongation, flexibility and adhesion and is suitable in use for road pavement.  <P>SOLUTION: This asphalt composition consists of 0.5-50 pts.wt. of a composition (1) comprising a modified polymer or its hydrogenated product that is prepared by the addition reaction, using an organolithium compound as a polymerization catalyst, of a functional group-containing modifier with a living terminal of at least one kind of polymer selected from (a) and (b), wherein, (a) is a conjugated diene polymer, (b) is a polymer consisting of a conjugated diene and a vinyl aromatic hydrocarbon, the total amount of the vinyl aromatic hydrocarbon in the polymer (b) is no more than 50 wt.% and the vinyl aromatic hydrocarbon polymer block accounts for no more than 50 wt.% of the total amount of the vinyl aromatic hydrocarbon in the polymer (b), and 100 wt.% of asphalt (2).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003303130-A (JP)
Title: Memory management method
Inventor: KANEHARA HIROYUKI
IPC: G06F12/02
Filed: 2002-04-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a memory management method specifying a region of a memory to be consumed for every process as a range, using the memory fitted to a purpose of each process, and minimizing the wasteful region.  <P>SOLUTION: Supposing that some process α requires a memory region A under execution. Then, nothing is therein, so that a block 1 is secured and the region A is secured in the block 1. The region A is secured in the block 1 and values are set to variables expressing a memory use region respectively. The num expressing the number of the use regions is set to 1, an address starting the use is set to 0, the use completion address is set to 1, st[0] expressing a vacant region is set to 1, and ed[0] is set to 5. Then, when a memory region B is secured, whether or not the region B can be secured in the block 1 is determined and secured. In Figure 1, when the region A alone is taken and the region B is sufficiently small, it is secured continuously to the region A. This constitution can minimize the wasteful region.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003262332-A (JP)
Title: Combustion air natural ventilation supply structure of combustion furnace
Inventor: HIRAHARA AYAKO
IPC: F23L15/00
Filed: 2002-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a combustion air natural ventilation supply structure of a combustion furnace capable of simply enabling combustion operation in an optimal balance of primary combustion air and secondary combustion air by anyone with safety and security.  <P>SOLUTION: A plurality of primary and secondary combustion air intake ports installed on the outside wall of a combustion furnace is unified, a series of communicating pipe supplying the combustion air into the combustion furnace is arranged, the combustion air is supplied from a hole opened on the pipe and an amount of supply is set by the number of holes and their sizes. In addition, the primary combustion air amount and the secondary combustion air amount are set to the ratio suitable to the fuel, the series of the communicating pipe is heated by the combustion heat, the hot combustion air is supplied and therefore the stable perfect combustion is realized.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003302114-A (JP)
Title: Air conditioner
Inventor: SANO SHOGO
IPC: F25B1/00
Filed: 2002-04-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide an air conditioner of excellent safety using a flammable refrigerant for reducing the leakage of the refrigerant in a room, and rapidly collecting the refrigerant in an indoor side heat exchanger on an outdoor side especially when the heating operation is stopped.  <P>SOLUTION: An outdoor side heat exchanger 4 comprises a plurality of heat exchangers. When the heating operation is stopped, the gaseous refrigerant compressed at high temperature and high pressure by a compressor 1 is condensed by at least one heat exchanger out of the plurality of heat exchangers, and the liquid refrigerant condensed by the remaining heat exchangers is evaporated. The refrigerant condensation function of an indoor side heat exchanger 2 is alternatively performed by a part of the outdoor side heat exchanger 4.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003301295-A (JP)
Title: Microreactor furnace constituent and its production method
Inventor: OGURA NAOTADA
IPC: C25D11/00
Filed: 2002-04-11
Abstract: <P>PROBLEM TO BE SOLVED: To relatively increase the amount of a catalyst influencing the reaction rate in a channel in a microreactor furnace constituent (a small chemical reactor) for generating a desired fluid substance by a chemical reaction (a catalytic reaction) of a fluidized mixed substance by a catalyst placed in a minute channel.  <P>SOLUTION: On the inner wall of a minute channel 22 formed on one side of an aluminum substrate 21, a porous anode oxidation film 23 is formed directly. Since the substrate 21 can be made relatively thick, the oxidation film 23 can be made relatively thick and hence can carry a relatively large amount of the catalyst. A photoresist 31 for forming the channel 22 is used also as a mask against anode oxidation.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003241292-A (JP)
Title: Vehicle accident photographing device
Inventor: ARAKI YOSHISHIGE
IPC: G01P15/135
Filed: 2002-04-11
Abstract: <P>PROBLEM TO BE SOLVED: To develop an inexpensive device for automatically photographing the field condition just before a traffic accident of a vehicle or at the moment of a collision.  <P>SOLUTION: A vehicle accident photographing device is provided which comprises a massive body 1 which is moved from the initial position in the going direction of an automobile due to an impact of hitting the brakes or a collision or operation parts 2 and 39 provided with the massive body 1, a spring 3 for energizing the massive body 1 toward the initial position, and a camera 5 provided with a shutter button which is operated by the massive body 1 or the operation parts 2 and 39 moved in the going direction of the automobile. Or, a vehicle accident photographing device is provided wherein an inverted L-shaped operation body 9 comprising a horizontal part 35 and a vertical part 36 is axially supported on a bridging shaft 8 provided in a storage part 11 for placing the camera 5 and the horizontal part 35 and the shutter button 4 are arranged with play between them and the vertical part 36 and the massive body 1 or the operation part 2 are arranged with play between them. Or, a vehicle accident photographing device is provided wherein a convex mirror 6 for reflecting and photographing a scene in the sideward direction of the camera 5 is provided in the front of the camera 5.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003302570-A (JP)
Title: Digital camera
Inventor: ODA KATSUYA
IPC: G03B7/08
Filed: 2002-04-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a digital camera capable of efficiency performing autofocus control and flash control.  <P>SOLUTION: In the digital camera, a flash is made to preliminarily emit light before actual photographing so as to acquire a plurality of image data (preliminary light emission image data). Then, autofocus control to set a subject in a focused state is performed by using a plurality of image data (preliminary light emission image data) acquired with the preliminary light emission. By using any of a plurality of preliminary light emission image data used for the autofocus control, the quantity of actual light emission of the flash in actual photographing is also decided. In other words, decision of the quantity of actual light emission and autofocus control are performed in parallel.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003305773-A (JP)
Title: Lining structure of existing pipe
Inventor: KONDO MASASHI
IPC: F16L55/16
Filed: 2002-04-12
Abstract: <P>PROBLEM TO BE SOLVED: To prevent water from leaking and minimize the effect of an earthquake, when a sewer constituted of connected piping such as a fume pipe or a ceramic pipe is repaired using as a lining material.  <P>SOLUTION: In repairing a sewer A between a plurality of preset manholes B by bonding the lining material 2 including an uncured curable resin to the inner peripheral face of the sewer A and curing the curable resin, the lining structure of existing piping is such that a groove 4 is formed to the existing pipe 1 over the entire inner peripheral surface in the vicinity of the manhole B and an elastic packing 5 is inserted into the groove 4 and the lining material 2 cured upon the contact with the packing 4 is arranged in contact with the packing 5.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003305777-A (JP)
Title: Three-dimensionally shaping method and device
Inventor: HAYANO SEIJI
IPC: B29K103/04
Filed: 2002-04-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide an indirectly manufacturing method for a three- dimensionally shaped material, which enables manufacture of a high-strength molded product after its temporary sintering process and requires no infiltration step.  <P>SOLUTION: The three-dimensional lamination shaping process is performed by using a powder material uniformly containing 1-4 wt.% of resin binder composed of not less than 90 wt.% of nylon 12, nylon 11 or PMMA.  <P>COPYRIGHT: (C)2004,JPO