baber/WOPTO huggingface dataset:
Patent JP-2001236688-A (JP)
Title: Optical recording medium, optical pickup and optical recording reproducing device
Inventor: ICHIMURA ISAO
IPC: G11B7/1387
Filed: 2000-02-21
Abstract: PROBLEM TO BE SOLVED: To provide an optical recording medium in which the contribution to the formation of a spot of a converged beam can be improved when a light spot is formed in a recording layer by the converged light from an optical system. SOLUTION: The optical recording medium 80 is irradiated with a converged light beam LB from an optical system. The medium gives >=30% or about >=30% amplitude transmittance for the light in the converged light beam LB passing through outer peripheral part of the optical system and reaching the recording layer 863 in the optical recording medium 80. The optical recording medium 80 has an inorganic dielectric layer 861 in the incident side where the converged beam LB enters, and the refractive index of the inorganic dielectric layer 861 is higher than the refractive index of the optical system. The recording layer 863 is formed between dielectric layers 862 and 864. For example, the optical recording medium 80 is a phase transition type optical disk, the optical system is a near field optical system, and the converged light beam LB is obtained from blue or blue-violet laser light.
Patent JP-2001240654-A (JP)
Title: Circuit board resin composition used for semiconductor device equipped with grid-like energizing terminal, circuit board for semiconductor device equipped with grid-like energizing terminal and semiconductor device equipped with grid-like energizing terminal
Inventor: OGURA ICHIRO
IPC: H01L23/12
Filed: 2000-02-28
Abstract: PROBLEM TO BE SOLVED: To exhibit excellent high heat resistance and low dielectric constant as a resin component excellent in productivity and adhesive properties for a circuit board for a semiconductor device equipped with grid-like energizing terminal used for a BGA(ball grid array)-type semiconductor device. SOLUTION: A dicyclopentadiene-type epoxy resin containing 10-35 wt.% of a compound having two aromatic hydrocarbon nuclei in a molecule as the resin component used for the circuit board 1 equipped with grid-like energizing terminal in Fig. 1 and a curing agent are used.
Patent JP-2001242437-A (JP)
Title: Display device and its driving method
Inventor: YONEDA SHUJI
IPC: G09G3/36
Filed: 2000-03-01
Abstract: PROBLEM TO BE SOLVED: To provide a display device, in which the write time of a frame is short and a blackout is reduced as much as possible and whose screen is easy to view, even when the device is in the middle of rewritings and its driving method. SOLUTION: This display device, in which plural pixels are arranged in a matrix shape is constituted of a liquid crystal and which is provided with a liquid crystal display element which performs write-in after once resetting liquid crystal. The write-in to the liquid crystal display element is enabled to select a drive method which starts the selecting of scanning lines of a next field by relating them to timing, when the blackout of at least one scanning line of the previous field is completed by an interlaced scanning in which a frame is divided into plural fields.
Patent JP-2001247585-A (JP)
Title: Tocopherol derivative, intermediate for the same, method of producing the same, and application for the same
Inventor: NAKAMOTO KENICHIRO
IPC: A61K8/00
Filed: 2000-03-03
Abstract: PROBLEM TO BE SOLVED: To provide a tocopherol derivative excellent in stability, hydrophilic properties, etc., and capable of being applied to various cosmetics, medicaments, etc., because of being expected to have anti-oxidant action, melanogenesis- inhibiting action, skin-protecting action against the ultraviolet rays, seborrhea- inhibiting action, surfactant action, moisture-retaining action or the like, to provide an intermediate for the same, to provide a method of producing the same, and to provide various applications for the same. SOLUTION: The tocopherol derivative expressed by the formula (1) (R1, R2 and R3 are each -CH3; R4 is -C16H33 or -C16H27; R5, R6 and R7 are each a 1-4C alkyl; AO is a 2-4C alkyleneoxy, provided that, when m is 2 or more, OA's may be the same to or different from each other and may be arranged randomly or block-wise to form an addition polymer chain; m is an integer of 0-100; and n is an integer of 2-4).
Patent JP-2001133374-A (JP)
Title: Method and system for evaluating feeling of crunch
Inventor: TOYOSHIMA TAKASHI
IPC: G01N3/08
Filed: 2000-03-06
Abstract: PROBLEM TO BE SOLVED: To provide a method and a system for evaluating the of a food to teeth by using an objective indicator. SOLUTION: A fracture curve of the food to be tested is acquired to get a power spectrum from the fracture curve. A specific peak of the power spectrum in a desired frequency band is calculated as the evaluation indicator of feeling of crunch of the food to be tested.
Patent JP-2001247389-A (JP)
Title: Organic mixed fertilizer and method for producing the same
Inventor: YONEDA MINORU
IPC: C05F7/00
Filed: 2000-03-07
Abstract: PROBLEM TO BE SOLVED: To obtain an organic fertilizer which is an overall nutriment supplement material for plants and simultaneously has excellent effects as a soil organic property amending material at a low cost. SOLUTION: This organic mixed fertilizer is produced by including at least a melting step for melting an incinerated ash such as a sludge containing phosphorus, a quenching step for subsequently quenching the melt and slagging the quenched melt and a pulverizing step for pulverizing the slagged material in the method for producing the organic mixed fertilizer comprising a full-ripe organic fertilizer and MAP. Furthermore, the organic mixed fertilizer is produced by mixing the MAP with the full-ripe organic fertilizer at a compounding ratio of 5-50 wt.% of the MAP to 95-50 wt.% of the full-ripe organic fertilizer and granulating the resultant mixture at a prescribed grain diameter while regulating the moisture content of the mixture.
Patent JP-2001251211-A (JP)
Title: Spread/inverse spread device in direct spread spectrum communication system and spread/inverse spread method in the direct spread spectrum communication system
Inventor: ADACHI YASUHIRO
IPC: H04J13/12
Filed: 2000-03-07
Abstract: PROBLEM TO BE SOLVED: To enable setting of a spread rate other than the rate of an integral multiple of an orthogonal sequence length (spread code length), to which only a value of factorial of '2' is set, and to freely set a symbol rate through the setting above. SOLUTION: A spread rate L, other than a value which is an integer multiple of an orthogonal sequence, is set to a spread rate setting section 105, a spread code decision section 106 segments the number of chips corresponding to the set spread rate L at an arbitrary position of the orthogonal sequence A repetitively generated from an orthogonal sequence generating section 104 to provide an output of a spread code Aa to a multiplier section 103, and the multiplier section 103 spreads data by using the spread code Aa.
Patent JP-2001247639-A (JP)
Title: Method for manufacturing novolak phenolic resin
Inventor: NISHIMURA TOSHIAKI
IPC: C08G8/00
Filed: 2000-03-08
Abstract: PROBLEM TO BE SOLVED: To manufacture a fast curable novolak phenolic resin having a stabilized molecular weight from phenols and formaldehyde efficiently in a short time using an acid catalyst. SOLUTION: The method for producing a novolak phenolic resin comprises effecting a reaction by continuously feeding paraformaldehyde to a phenol at a temperature of 100 deg.C or higher while removing water.
Patent JP-2001257752-A (JP)
Title: Mobile phone
Inventor: TANIDA KATSUMI
IPC: H01R13/447
Filed: 2000-03-09
Abstract: PROBLEM TO BE SOLVED: To provide a mobile phone of which charging electrodes are protected so as to enhance the safety of the mobile phone furthermore. SOLUTION: An openable cover 2 is formed to an outer package case of the mobile phone 1. A charger 4 is provided with an engagement projection 8 that engages with an engagement recess 7 formed to the cover of the mobile phone in a charging state to open the cover and charging electrode terminals 3 of the mobile phone are exposed by opening the cover only in a charging state so to contact the terminals 3 with charging electrode terminals 5 of the charger.
Patent JP-2001257731-A (JP)
Title: Wireless receiver
Inventor: HAYASHIBARA IZUMI
IPC: H03M1/12
Filed: 2000-03-09
Abstract: PROBLEM TO BE SOLVED: To provide a wireless receiver that can realize transmission quality required by each application with a proper and minimum consumed power regardless of a state of a transmission channel. SOLUTION: An analog signal wirelessly sent after modulation is sampled by a prescribed frequency, and converted into a digital signal with a corresponding prescribed bit width, the digital signal after analog/digital conversion is demodulated to obtain received data, an error rate of the received data after demodulation is calculated, and at least any of the sampling frequency of the analog/digital converter, or the operating frequency of a demodulator and the bit width of the digital signal is changed depending on a comparison result between the calculated error rate and a target error rate of an application corresponding to the received data so as to solve tasks above.
Patent JP-2001251853-A (JP)
Title: Low-power consumption circuit
Inventor: SATO TSUTOMU
IPC: H02M3/28
Filed: 2000-03-07
Abstract: PROBLEM TO BE SOLVED: To provide a low-power consumption circuit which can reduce power consumption of an electrical/electronic apparatus in a standby condition, as far as possible. SOLUTION: In a standby condition where only sub load 8 is supplied with power, a power supply circuit 5 is charged with DC voltage given by rectifying and smoothing circuit 4 by turning on a latching relay 9, and also a control circuit 6 and a sub load 8 are supplied with voltage. Then, when the charge voltage of the power supply circuit 5 exceeds a prescribed value, the latching relay 9 is turned off to let the power supply circuit 5 discharge electricity, whereby the control circuit 6 and the sub load 8 are supplied with voltage.
Patent JP-2001253437-A (JP)
Title: Heat regenerative body container
Inventor: SASAO TAKUHIRO
IPC: B65D21/02
Filed: 2000-03-13
Abstract: PROBLEM TO BE SOLVED: To provide a heat regenerative body container equipped with fitting parts which allow the containers to be attached with one another easily regardless of the directions without bringing play even when the containers are piled up and make the containers easily detachable from one another. SOLUTION: Each of positioning dents 20 is formed of protuberant parts 21 and an inside bottom face 22, and each of positioning protuberances 25 is formed in a shape fitted into the positioning dent. The relation between the distance (a) from the general surface of the container to the front end of the protuberant part and the distance A from the general surface to the center at the top of the protuberance is (a)=A.
Patent JP-2001255529-A (JP)
Title: Reflection type liquid crystal display device
Inventor: MIZUNO HIROAKI
IPC: G02B5/30
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a reflection type liquid crystal display device, having uniform fluctuations of optical characteristics caused by the thickness of the liquid crystal layer in a pixel in an unevenness structure of a metal reflection electrode, having a sufficiently bright white display and realizing an achromatic high contrast white and black display. SOLUTION: In the reflection type liquid crystal display device equipped with a liquid crystal cell 12 comprising a liquid crystal sealed between a pair of substrates 13, 19, a polarizing film 10, 1 or more sheets of birefringent films 11a, 11b and a projecting and recessing layer 18 and the metal reflection electrode 17 formed successively on the side of the substrate being identical with the liquid crystal with respect to the substrate 19, the device in which the difference of the heights between the highest and lowest parts on the metal reflection electrode surface is 0.1 μm or lower, the twist angle of the liquid crystal layer is 220-270 deg., and the liquid crystal layer has a retardation value ΔnLC.dLC is 700-1,000 nm is constituted.
Patent JP-2000292372-A (JP)
Title: Architecture for ct scanning system
Inventor: HIRAOGLU MUZAFFER
IPC: G01V5/00
Filed: 2000-03-15
Abstract: PROBLEM TO BE SOLVED: To provide a highly sensitive and highly reliable automatic X-ray detection system by inputting a data to a common memory, detecting specified image information from it, displaying it on a display, and controlling it on the same system. SOLUTION: The conveyor system 110 of a baggage scanning system 100 carries baggage 112 in an arrowed direction 114 through the central opening of a CT scanning system 120. An X-ray tube emits an X-ray cone beam 132 to the baggage 112 carried in the conveyor system 110, and generates a signal showing the density of the exposure part of the baggage 112 by a detector array 130. The signal is received by a data collection system 134, and computer- processed by signal processing method of CT scanning. An operator display sub-system detects and displays a dangerous matter in the scanned and specified baggage 112, and displays the image information from the CT scanning system 120.
Patent JP-2000312231-A (JP)
Title: Method and system for providing different energy levels
Inventor: BERGER HARVEY L
IPC: H04B7/26
Filed: 2000-03-15
Abstract: PROBLEM TO BE SOLVED: To effectively utilize communication energies by allowing each user in a cell to make communication at different levels. SOLUTION: A degree of requiring a communication energy by a user is decided base on conditions such as weather, S/N, position in a sell (1104), whether or not a communication environment of the user is favorable is discriminated (1106), minor axis modulation is selected when favorable (1108), major axis modulation is selected when not favorable (1110), communication entities are synchronously with each other (1112), data are modulated and transmitted (1114, 1116). Since a signal to the user is modulated depending on the user environment, a transmission level of a user resident at a cell boundary is enhanced and the transmission energy if effectively utilized.
Patent JP-2001136701-A (JP)
Title: Method of manufacturing core and armature
Inventor: HARADA YOSHIHIKO
IPC: H02K15/10
Filed: 2000-03-16
Abstract: PROBLEM TO BE SOLVED: To provide a core capable of ensuring insulation between it and windings. SOLUTION: Paper 22 is disposed on the inner periphery of a slot 16. Resin having insulation is coated on both end surfaces of a core 21, except the portions from notches 15 to the front end of protrusions 14. In other words, the resin having insulation is not coated on portions from the notches 15 to the front end of protrusions 14. The resin having insulation will, therefore, not peel nor break, even if the protrusions 14 are bent at the notches 15, thus will have no effect even if windows 17 are wound around the slot 16 and the protrusions 14 are bent at the notches 15. Accordingly, insulation between the windows 17 and the core 21 can be ensured.
Patent JP-2001262784-A (JP)
Title: Doubly tiled roof structure
Inventor: NAKAI YOSHINORI
IPC: E04D3/00
Filed: 2000-03-16
Abstract: PROBLEM TO BE SOLVED: To tile a roof newly on an upper face of existing corrugated slates without generating cutting chip and noise by utilizing an existing hook bolt. SOLUTION: A saddle member 18 consisting of a flat top part 18a provided with a through hole 18b allowing the insertion of a bolt 16 and skirt parts 18c extending from both sides of the flat top part 18a, respectively, is provided on the corrugated slate 10. After inserting an upper part of the bolt 16 into the through hole 18b of the saddle member 18, the saddle member 18 straddles a mountain part of the corrugated slate 10, and a long nut 20 is screw-fitted in a male screw part 16a in an upper part of the bolt 16 protruding upward from the mountain part. A long rafter member 22 is fixed on respective saddle members 18 fixed on the corrugated slates 10 by crossing the long nut 20 and is extended in the same direction as a purlin 14. A metallic roof member 12 is tiled on the rafter member 22 and is fixed so as to prevent its drop.
Patent JP-2001259972-A (JP)
Title: Magnetic bearing device for machine tool
Inventor: NAKAGAWA TORU
IPC: B23Q17/12
Filed: 2000-03-21
Abstract: PROBLEM TO BE SOLVED: To provide a magnetic bearing device for a machine tool allowing automatic sensing of a poor mounting performance in tooling or poor rotating performance and capable of reducing the processing degradation of a work. SOLUTION: The magnetic bearing device for the machine tool is configured so that the spindle 1 is magnetically levitated from the stationary side by magnetic bearing means 2a, 2b and 5a and magnetic thrust bearing means 4a and 4b and rotated by a motor 7 and a work 9 is processed using a tool 8 attached to the spindle end, wherein the arrangement includes a vibration sensing means 5a to sense the vibration of the spindle 1, a variable frequency characteristic filter 10 to extract the vibration component synchronizes with the rotation according to the output signal from the vibration sensing means 5a, and a judging means 11 to judge a failure condition if the level of the output signal from the filter 10 has exceeded the specified level.
Patent JP-2001268710-A (JP)
Title: Hybrid vehicle control device
Inventor: GOTO KENICHI
IPC: B60L50/16
Filed: 2000-03-21
Abstract: PROBLEM TO BE SOLVED: To maintain traveling stability by suppressing the drop in traveling output when electric power is generated with an internal combustion engine used as its drive source while a hybrid vehicle is driven by the engine. SOLUTION: The command of power generation is given to a generator (motor-generator M/G), and the command of an output increase to the internal combustion engine (engine ENG). A temporary delay process is added to the command of the power generation (target generation torque) to control the generator in such a way that the current is generated that corresponds to the command of the power generation after this process. On the other hand, the internal combustion engine is controlled so as to output the target engine torque at this instance by adding torque equivalent to the command of the power generation to it, based on the command of the output increase.
Patent JP-2001266739-A (JP)
Title: Assembling method for electrode part
Inventor: TOMIYAMA HIROSHI
IPC: B23K26/00
Filed: 2000-03-22
Abstract: PROBLEM TO BE SOLVED: To utilize glass as insulating material and spacer without having to use bolts, nuts and insulation washers by directly fusing metal to metal, glass to glass and glass to metal, using laser beam. SOLUTION: This assembling method for electrode parts fixes spacers between electrodes and rods which laminate a plurality of the electrodes, while ensuring electrical insulation by locally irradiating laser beam 22 to subject them to metal to metal, glass to glass and glass to metal fusion.
Patent JP-2001235893-A (JP)
Title: Developer, image forming device and image forming method
Inventor: NAKAJIMA TAKAHIRO
IPC: G03G15/20
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To miniaturize an image forming device, to shorten warming-up time, to save energy and to obtain an excellent image without causing offsetting. SOLUTION: The developer contains a toner containing a colorant, a styrene- acrylic resin having 50-65 deg.C glass transition temperature and 1-10 (g/10 min) melt index at 150 deg.C, 1-3 pts.wt. polyethylene wax having 90-128 deg.C melting point based on the total weight of the toner and 3-6 pts.wt. polypropylene wax having 135-146 deg.C melting point based on the total weight of the toner.
Patent JP-2001269713-A (JP)
Title: Stainless steel welded tube and its manufacturing method
Inventor: NAKAKO TAKEFUMI
IPC: C22C38/00
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To provide a high-strength stainless steel welded tube for suppressing integranular corrosion cracking in a weld heat-affected part by welding heat and a method of manufacturing it. SOLUTION: The tensile residual stress in the circumferential direction of the external surface of the stainless steel welded tube is made <=200 MPa. After a steel strip having the width which is wider by 0.6-2.5% than the perimeter in the middle part of thickness of the welded tube is formed by bending in the width direction and the butt part is welded, the welded tube is manufactured by drawing it so as to be a prescribed diameter with straightening rolls.
Patent JP-2000302983-A (JP)
Title: Improved method for viscosity stability of aqueous composition
Inventor: AMICK DAVID RICHARD
IPC: C08K5/00
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To provide a method for effectively stabilizing the viscosity of an aqueous composition containing at least one kind of an associative thickening agent by adding a mixture comprising a specific multiphobe and specific monophobe to the aqueous composition. SOLUTION: This improved method for stabilizing the viscosity of (A) an aqueous composition comprises adding to the component A a mixture of (B) at least one multiphobe comprising (i) at least one hydrophilic segment with a number-average molecular weight (Mn, measured by high-pressure liquid chromatography) of >=2,000 and (ii) >=2 hydrophobic segments each having enough hydrophobicity to form a non-specific hydrophobic association and (C) at least one monophobe comprising (iii) at least one hydrophilic segment whose Mn is at least half of the Mn of the component i and (iv) at least one hydrophobic segment having enough hydrophobicity to form a non-specific hydrophobic association.
Patent JP-2001274202-A (JP)
Title: Tab tape and bga structure
Inventor: YAMAGUCHI KENJI
IPC: H01L21/50
Filed: 2000-03-24
Abstract: PROBLEM TO BE SOLVED: To obtain a TAB tape and CSP/BGA package structure, that improve wire bonding properties, prevent bonding peel-offs, and improve the yield of products and productivity. SOLUTION: In the TAB tape for potting or transfer mold BGA where a wiring pattern 20 having a land 12 is formed an a copper foil 2 laminated on an insulating film 15 with adhesives, hard copper foil is used as the copper foil 2. For the hard copper foil, the thickness is set to 3 μm to 25 μm, and the Vickers hardness for the copper foil 2 (Hv: measurement load 10 gf) is set at 180 or higher.
Patent JP-2001269697-A (JP)
Title: Nitrogen-containing drainage treating method
Inventor: NISHIMURA SOSUKE
IPC: C02F3/34
Filed: 2000-03-24
Abstract: PROBLEM TO BE SOLVED: To provide a nitrogen-containing drainage treating method capable of keeping denitrifying efficiency high and capable of keeping a nitrogen content in treated liquid low in the case where the modified sludge obtained by modifying sludge to an easily biodegradable substance is supplied to a denitrifying stage as a substrate in a biological nitrifying and denitrifying method. SOLUTION: In the method in which an organic substance is decomposed by aerating organic or ammonical nitrogen-containing drain 11 at an organic substance decomposition tank 1, nitrified biologically at a nitrifying tank 2, denitrified at a denitrifying tank 3, subjected to solid-liquid separation at a solid-liquid separation tank 5 after reaeration at a reaeration tank 4, a part of separated sludge is returned to the nitrifying tank 2 and the denitrifying tank 3 and the other part is modified to an easily biodegradable substance at an ozone treating tank 6 and supplied to the denitrifying tank 3 as a substrate to perform the denitrification,  a return sludge quantity to the nitrifying tank 2 and/or volumes of the denitrifying tank 3 and the reaeration tank 4 is changed so that the nitrifying activity of the sludge in the nitrifying tank may be kept >=0.05 g-N/g-VSS/d and/or the dissolved oxygen concentration in the nitrifying tank may be kept >=2 mg/L.