baber/WOPTO huggingface dataset:
Patent JP-2001115915-A (JP)
Title: Leak diagnosis device for intang canister system
Inventor: KOSHO KENYA
IPC: B60K15/03
Filed: 2000-06-01
Abstract: PROBLEM TO BE SOLVED: To detect lead at any position in an intank canister system. SOLUTION: In a canister 2 disposed in a fuel tank 1, a vaporized fuel introducing passage 7 from a vaporized fuel introducing port 8 inside the fuel tank 1 through a check valve 10, a fresh air introducing passage 21 from a fresh air introducing port 22 outside the fuel tank 1, and a purge passage 23 to discharge vaporized fuel in the canister 2 with fresh air through a purge control valve 24 to an intake pipe 25 are connected. A three-way selector valve 30 is provided on the purge passage 23, so by changing it, the side of the fuel tank 1 (the vaporized fuel introducing port 8) can be communicated with the side of the purge control valve 24.  After setting the inside of the fuel tank 2 at negative pressure while keeping the inside of the canister 2 at atmospheric pressure by changing the three-way selector valve 30, leak diagnosis is conducted based on pressure change in the fuel tank 1 after the purge control valve 24 is closed.
Patent JP-2001347851-A (JP)
Title: Adaptive cruise control device
Inventor: OKADA TADAYOSHI
IPC: B60K31/00
Filed: 2000-06-06
Abstract: PROBLEM TO BE SOLVED: To prevent a driver from feeling a sense of incongruity as improper shift-down is carried out on an adaptive cruise control device to carry out constant velocity travelling and follow-up travelling. SOLUTION: A demand of shift-down is prohibited by judging it as timing of shift-down is improper while specified time passes after changing a set inter- vehicle distance is changed during follow-up travelling (step 9, S11), while specified time passes after a preceding car is changed during follow-up travelling (step 10, S11) and while specified time passes after follow-up travelling is changed over to constant velocity travelling (step S4, S12), Additionally, it is judged as timing of shift-down is improper and a demand of shift-down is prohibited (steps S5-S7, S12) while specified time passes after operation to increase and operation to decrease set car velocity Vmem during constant velocity travelling.
Patent JP-2001352061-A (JP)
Title: Semiconductor device
Inventor: HATADE KAZUNARI
IPC: H01L29/08
Filed: 2000-06-07
Abstract: PROBLEM TO BE SOLVED: To improve the characteristics of a semiconductor device which it exhibits, when it operates under reverse biased conditions. SOLUTION: In the semiconductor device, P-base layers 6 are provided as a plurality of parallel strip portions with each other. In the bottom portion of the P-base layer 6, P+-base layer of a high-concentration impurity down protruding portion is not formed. The P-base layers 6 are formed more shallow than an N-layer 17, and further, the plurality of strip portions constituting the P-base layers 6 are coupled to each other in their end portions. Also, each N-source layer 5 is formed ladder-like and is connected with a source electrode 16, only via its lateral sash bar portions.
Patent JP-2001354452-A (JP)
Title: Finishing agent for glass fiber
Inventor: HONDA TAKUYA
IPC: C08L71/08
Filed: 2000-06-07
Abstract: PROBLEM TO BE SOLVED: To obtain a finishing agent for a glass fiber which ensures superior adhesiveness, smoothness and flexibility for the glass fiber. SOLUTION: This finishing agent for a glass fiber comprises a polyvinyl alcohol resin (A) and polyalkylene glycols (B).
Patent JP-2001347027-A (JP)
Title: Game machine
Inventor: FUKAZAWA SEIJI
IPC: A63F7/02
Filed: 2000-06-08
Abstract: PROBLEM TO BE SOLVED: To improve the radiating performance of a part mounted on a control board. SOLUTION: A housing 18 comprises an upper large room 32, a lower small room 33 and a number of small holes 45 and 46 extending to the inside and outside. A large heating value part 63 is mounted on the part corresponding to the large room 32 of a circuit board 60, and a small heating value part 69 is mounted on the part corresponding to the small room 22 of the circuit board 60.
Patent JP-2001028339-A (JP)
Title: Manufacture of semiconductor device
Inventor: MIYANAGA SHOJI
IPC: G02F1/136
Filed: 2000-06-08
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a semiconductor device, where an amorphous silicon film is crystallized at such low temperature as 600 deg.C or lower. SOLUTION: An SiO2 film 102 is formed on a glass substrate 101. An element thin film of at least one kind selected from among B, Al, Ga, In, Tl, Sc, Y, lanthanoid element, C, Ge, Sn, Pb, Ti, Zr, Hf, N, P, As, Sb, Bi, V, Nb, and Ta is formed only in a gap 100 of a mask 103, on which an amorphous Si film 104 is formed before being subjected to annealing four hours at 550 deg.C for crystallization. An element is added to a slit region 100, so that the growth direction of crystal is controlled to a direction 105 parallel to the glass substrate 101, with additional lamp-annealing for a short time, providing a dense crystal film. With large carrier mobility in the growing direction of crystal, a semiconductor device is manufactured according to the objective.
Patent JP-2001354215-A (JP)
Title: Forcibly dropping mechanism of bound storage bag in bag binding machine
Inventor: NAKADA TAKAHARU
IPC: B65B51/08
Filed: 2000-06-09
Abstract: PROBLEM TO BE SOLVED: To provide a forcibly dropping mechanism capable of reliably dropping even a light commodity. SOLUTION: In this binding device in which a neck of a storage bag a is moved to a terminating end of a guide passage 3, the neck is bound by a clip, the bound storage bag a is dropped, and a guide flap 10 having a guide groove 11 corresponding to the guide passage 3 is turnably fitted on a lower surface of a binding machine body 1 at a first position where the guide groove 11 is vertically engaged with the guide passage 3 and at a second position where the guide groove is disengaged from the guide passage downward of the first position, a pushing-out member 16 is arranged below the guide flap 10 of the binding machine body 1. A tip of the pushing-out member 16 is on the terminating end side of the guide groove 11 when the guide flap 10 is at the first position.  The tip of the pushing-out member 16 slides along a lower surface of the guide flap 10 when the guide flap 10 is turned downwardly toward the second position after the storage bag a is bound, and the neck of the bound storage bag a is pushed out to the opening side of the guide groove 11.
Patent JP-2001346789-A (JP)
Title: Radiographic apparatus
Inventor: TSUJII OSAMU
IPC: G06T1/00
Filed: 2000-06-12
Abstract: PROBLEM TO BE SOLVED: To efficiently process a radiographic images using log information in a radiographic apparatus. SOLUTION: This comprises a radiographic image detecting means, a raw image storing means to store a raw image from the radiographic image detecting means, and an image control means to control the raw image. The image control means uses attached information to the image to control the image, and it contracts the image based on the attached information for storing it.
Patent JP-2001357738-A (JP)
Title: Manufacturing method of communication cable, jig for manufacturing communication cable and communication cable
Inventor: SAKAMOTO YUKIHIRO
IPC: H01B11/08
Filed: 2000-06-14
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method of a communication cable which can exert superior transmission characteristic seven if a shield layer is not formed at each unit wire. SOLUTION: After forming a shield tape in a nearly cylindrical form, by pushing the outer circumferential surface toward the center at plural positions along the circumferential with a constant distance, a shield body 6 is formed wherein plural shield pieces 6a are radially extending from the predetermined central axis X. Plural pairs of twisted wires 5 are housed and arranged between respective spaces of respective shield pieces 6a.
Patent JP-2001358259-A (JP)
Title: Semiconductor package
Inventor: KONDO MANABU
IPC: H01L23/28
Filed: 2000-06-15
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor package which radiates heat efficiently and is equipped with a heat sink as a measure to prevent the increase in soldering temperature when the package is mounted on a main substrate. SOLUTION: An IC chip 11 whose backside is fixed on a die 10 is formed with a plurality of electrodes 12 on a main surface, and is protected by a sealing member 13 formed of, for example, molding resin. External terminals 14 have their one end extended outside from the sealing member 13 and the other end electrically connected to the IC chip 11 by a bonding wire 15 or the like. The heat sink 16 has the larger area side exposed outside the sealing member 13 and the opposite side fixed on the main surface of the IC chip 11. The heat sink 16 can be installed after being mounted on the main substrate by means of the external terminals 14, that is, after-installation is allowed for the heat sink 16.
Patent JP-2002009540-A (JP)
Title: Antenna system
Inventor: CHO KIN
IPC: H01Q21/08
Filed: 2000-06-16
Abstract: PROBLEM TO BE SOLVED: To provide a small-sized antenna system with a high efficiency having a polarization diversity function consisting of antenna elements as a major objective and to provide an antenna system with broadband characteristics as a subordinate objective. SOLUTION: By feeding power to two orthogonal radiation sections 5b of a cross-shaped slot 4 formed on a conductor plate 3 conductors polarization diversity is conducted. The cross-shaped slots 4 as above are formed to one conductor plate 3a in a row, a cross area potential relax conductor plate 5a is fitted to the rear side of the cross section 4a of each slot 4 of the dielectric plate 3a, and radiation area potential relax conductor plate 5b is fitted to the rear side of the radiation section 4b of each slot 4 to obtain the small-sized antenna system with high efficiency. Furthermore, an electric characteristics adjustment plate 17 is provided to one side of the dielectric plate 3a to obtain the antenna system with broadband characteristics.
Patent JP-2002007349-A (JP)
Title: Recording and reproducing method for secret information, and recording medium with cryptographic key or the like for identity authentication recorded thereon
Inventor: KUNIYONE SHIORI
IPC: G06F21/36
Filed: 2000-06-22
Abstract: PROBLEM TO BE SOLVED: To enhance the determent-effect against illegal action on a telecommunication network by making difficult the decoding of a password or cryptographic key by increasing the number of digits in the array of alphanumerals such as cryptographic key and to exactly store authentication information such as password or cryptographic key being an alphanumeral array having a large number of digits. SOLUTION: Concerning the recording and reproducing method for secret information provided with following means, secret information such as authentication information is divided into plural parts and a large number of decoys are added to them, and the information is relocated at random and recorded on the recording medium after respectively adding addresses. Then, that recording medium is distributed to a user. The array instruction information as to which address in the addresses containing a large number of decoys is to be read in which order for restoring the secret information such as right authentication information is reported only to the user.  When reproducing the secret information on the recording medium by inputting an instruction for reading the right addresses in the right order, the user performs his/her own authentication by inputting the instruction coincident with the array instruction information. Concerning the recording method for secret information and the recording medium recording cryptographic key or the like for identity authentication, the authentication information is divided into plural parts and after a large number of decoys are added, the information is relocated at random and recorded after adding respective addresses.
Patent JP-2002006760-A (JP)
Title: Back light
Inventor: HANIYU ATSUSHI
IPC: G02F1/1335
Filed: 2000-06-22
Abstract: PROBLEM TO BE SOLVED: To provide a back light which relieves the temperature difference by the heat generated from light sources, obviates the occurrence of temperature unevenness by a light exit plate, allows the irradiation of a liquid crystal display device with the light emitted from the light exit plate and does not give rise to luminance unevenness. SOLUTION: The plural wire-shaped light sources 5, 5, etc., are mounted at a base surface 2a of a chassis 2 of a rectangular parallelepiped form and the light exit plate 3 and an optical sheet 4 are placed on the upper part of the chassis 2. The approximately central parts in the height direction of opposite flanks 2b and 2b of the chassis 2 are provided with projecting parts 2c and 2c of a prescribed width in parallel to the base surface 2a. A heat relieving plate 6 of approximately the same size as the size of the base surface 2a is placed on these projecting parts 2c and 2c.  The two air layers parted by the heat relieving plate 6 exist within the chassis 2 and the temperature difference by the heat generated from the wire-shaped light sources 5 is relieved by the respective air layers and therefore the occurrence of the temperature unevenness by the light exit plate 3 is obviated in the final.
Patent JP-2002000801-A (JP)
Title: Game stand
Inventor: SUZUKI JIRO
IPC: A63F5/04
Filed: 2000-06-23
Abstract: PROBLEM TO BE SOLVED: To provide a game stand coping with a malfunction and maintenance of the game stand, to remarkably reduce the work for the preparation, the actual work for the malfunction and the maintenance of the staffs of a hall, and to provide the game stand with less troubles during a game for a player. SOLUTION: Information for the malfunction generated in this game stand or the information for urging the maintenance of a part for which maintenance time comes and it is judged that the maintenance is required is displayed on the display screen of a display device at least as either graphics or messages and reported.
Patent JP-2001055321-A (JP)
Title: Use of copolymer as additive for cosmetic preparation for skin and preparation for skin and its preparation
Inventor: HOESSEL PETER DR
IPC: C08F226/04
Filed: 2000-06-26
Abstract: PROBLEM TO BE SOLVED: To obtain a new cosmetic which permits an improvement in skin care. SOLUTION: This cosmetic is obtained by the use of at least a kind of copolymer prepared by radical-copolymerizing a monomer mixture comprising (a) 1-99.99 mass % of at least a kind of monomer selected from N-vinylimidazols and, if necessary, partially or completely quarternized diallylamines, (b) 0-98.99 mass % of at least a kind of neutral or basic water-soluble monomer, (c) 0-50 mass % of at least a kind of unsaturated acid or unsaturated acid anhydride, (d) 0-50 mass % of at least a kind of radical-copolymerizable monomer and (e) 0.01-10 mass % of a monomer which has at least two ethylenically unsaturated nonconjugated double bonds and acts as a kind of crosslinking agent and by partially or completely quarternizing the copolymer or carrying out protonation of the copolymer when the monomer a is not quarternized or partially quarternized.
Patent JP-2002010236-A (JP)
Title: Advertisement charge collection device
Inventor: FUJIMATSU NAOKI
IPC: H04N21/258
Filed: 2000-06-22
Abstract: PROBLEM TO BE SOLVED: To provide a system to collect an advertisement charge from advertisers, according to the amount that audience view advertisements. SOLUTION: The system is provided with a presentation means to publish an advertisement on content data and present the advertisement at a receiver, a confirmation means to confirm that the advisement is presented by the presentation means, and an information output means to uplink the information that is confirmed by the confirmation means. A broadcasting corporation collects the charge from an advertiser according to the amount of advertisement audience obtained from the information output means.
Patent JP-2002008881-A (JP)
Title: Sealed luminaire and luminaire
Inventor: OSAWA TAKASHI
IPC: H05B41/24
Filed: 2000-06-28
Abstract: PROBLEM TO BE SOLVED: To provide a sealed luminaire working with an enhanced energy consuming efficiency and capable of achieving reduction in power consumption. SOLUTION: The luminaire uses at least one circular fluorescent lamp according to JIS C7601 having a size class of 30 and a power consumption of 28W (called FCL30/28 hereinafter) and is embodied as a sealed one having no opening in the undersurface substantially, and the FCL 30/28 lamp is lighted with a high frequency over 40 kHz, wherein the maximum amperage of the lamp is made 500 mA.
Patent JP-2002014088-A (JP)
Title: Method for analyzing constituent of pyroligneous acid
Inventor: SHIBATA AKIRA
IPC: G01N33/00
Filed: 2000-06-28
Abstract: PROBLEM TO BE SOLVED: To provide a constituent analysis method capable of properly evaluating the quality of a pyroligneous acid more than the conventional method. SOLUTION: The gas chromatography and Karl Fischer method are both used to measure the organic constituent of the pyroligneous acid by gas chromatography, and at the same time, the contained moisture of the pyroligneous liquid is determined by the Karl Fischer method, and the quality is evaluated according to the content balance between the amount of moisture and other organic constituents.
Patent JP-2002015582-A (JP)
Title: Semiconductor integrated circuit
Inventor: KAJIMURA NORIBUMI
IPC: G11C11/409
Filed: 2000-06-29
Abstract: PROBLEM TO BE SOLVED: To prevent reduction in system margin by outputting an output waveform, having a sufficient output level from a data output circuit, without reducing charging and discharging speed at the time of outputting continuous data. SOLUTION: Capabilities of output circuits 4, 5, 8 are increased, by using a control signal ctrl driven at the start of data output and temporarily output increase circuits 7, 8, 9, and a load capacitor 12, arranged at the outside of a chip, is driven at a high speed by improving the output level and the output timing.
Patent JP-2002015533-A (JP)
Title: Servo-track writer
Inventor: NIITSUMA KAZUHIRO
IPC: G11B21/10
Filed: 2000-06-30
Abstract: PROBLEM TO BE SOLVED: To restrain a servo-signal defect and deterioration, in a servo acquiring ratio due to the change of a relative speed between a flexible disk and a magnetic head in the writing of a servo signal. SOLUTION: The flexible disk 21, held to a spindle 31 rotates at a prescribed rotational speed, and a servo signal is written in the rotating flexible disk 21 by magnetic heads 6 and 7. Here, a control means 100 controls the number of rotations of the spindle, so that the difference of the relative speed of the outer peripheral part and the inner peripheral part of the heads 6 and 7 to the rotation of the flexible disk 21 decreases, and the number of rotations, when the servo signal is wrote on the outer peripheral part of the flexible disk 21 becomes smaller than the rotation number, when the servo signal is written on the inner peripheral part.
Patent JP-2002026722-A (JP)
Title: Synchronous counter
Inventor: NAKAJIMA MASAMI
IPC: H03K23/54
Filed: 2000-07-03
Abstract: PROBLEM TO BE SOLVED: To provide a synchronous counter that has a longer critical path even though it is of small circuit scale. SOLUTION: The synchronous counter is provided with at least three flip-flop circuits of a chain structure and at least two sets of two-input EXOR gates interposed in the chain structure, and a critical path, where the output of one flip-flop circuit leads to the input of another flip-flip is configured with one stage of the two-input EXOR gate.
Patent JP-2002022033-A (JP)
Title: Labyrinth seal and fluid machinery
Inventor: KOBAYASHI HIROMI
IPC: F04D29/10
Filed: 2000-07-05
Abstract: PROBLEM TO BE SOLVED: To prevent the impairing of the sealing performance in both of a case of largely vibrating a rotational shaft in the radial direction and a case of high working temperature, in a labyrinth seal and a fluid machinery having the same. SOLUTION: The labyrinth seals 107a and 107b for preventing the leakage of a fluid channel 50 from a high pressure side to a lower pressure side between the rotational shaft 102 and both-end seal fixing parts 110 around the rotational shaft, respectively comprise a flange 6 mounted on the rotational shaft 102, a seal ring 4 axially slidably mounted on the both-end seal fixing part 110, an axial sealing means formed by axially mounting at least one stage of an axial fin part 5 on an inner peripheral part of the seal ring 4 or an outer peripheral part of the rotational shaft 102, and a radial sealing means formed by the co-operation of the seal ring 4 and the flange 5, and the seal ring 4 is slid in the direction to reduce a clearance of the radial sealing means by the pressure difference between a high pressure side 50H and a low pressure side 50L of the fluid channel 50.
Patent JP-2002023505-A (JP)
Title: Image forming device
Inventor: SASAKI TSUTOMU
IPC: G03G15/11
Filed: 2000-07-06
Abstract: PROBLEM TO BE SOLVED: To provide a printer which can perform replenishment control for avoiding an overflow of a liquid developer from a 2nd tank 115. SOLUTION: The replenishment control by which stoppage of a developer pump and a carrier pump is carried out even if the operation time (t) does not reach a prescribed 2 seconds when an upper-limit liquid level is detected (Y in S14 and S22).
Patent JP-2002021519-A (JP)
Title: Variable valve system in internal combustion engine
Inventor: YANAGI NORIO
IPC: F01L13/00
Filed: 2000-07-06
Abstract: PROBLEM TO BE SOLVED: To steplessly change valve lift when opening air intake valves 2a, 2b or an exhaust valve by a mechanism having a good manufacturing property and excellent durability. SOLUTION: A cam 5 for high lift and a cam 6 for low lift are provided on a cam shaft 4, and a tappet 7 for high lift in contact with the cam for high lift and a tappet 8 for low lift in contact with the cam for low lift are pivotally fixed by a pin 9 extending at a right angle to an axial line of the cam shaft for an oscillating link body 12 so as to turn. A contact part 16a' of a circular arc face provided in a valve lifter 16 for the air intake valves is slidably brought into contact with a contact face 14 provided on the oscillating link body so as to extend in the direction of axial line of the cam shaft to open the air intake valves by descent movement of the oscillating link body in order to reciprocate the oscillating link body.
Patent JP-2001092372-A (JP)
Title: Production of electro-optic device, electro-optic device, and electronic appliance
Inventor: HIRABAYASHI YUKIYA
IPC: G02F1/136
Filed: 2000-07-07
Abstract: PROBLEM TO BE SOLVED: To flatten the surface of an insulating layer where a single crystal silicon layer is laminated. SOLUTION: In the electro-optic device 201, a light-shielding layer 204 is formed on a light-transmitting substrate 202. Since the light-shielding layer is formed in not only the region where a transistor device is to be formed (pixel region) but also in the region including the surrounding region, the quality of lamination interface is improved when an insulating layer is deposited on the light-shielding layer and flattened to laminate with a single crystal silicon layer.