baber/WOPTO huggingface dataset:
Patent JP-2002251753-A (JP)
Title: Error detecting method, error detector, return light flux division optical element, optical pickup device and optical information processor
Inventor: FUJITA KAZUHIRO
IPC: G11B7/09
Filed: 2001-02-23
Abstract: PROBLEM TO BE SOLVED: To realize an error detecting method and its device efficient for minimization of an optical pickup device. SOLUTION: In this method to detect a focusing error and a tracking error based on a return light flux in the optical pickup device to perform one or more of recording, reproduction and deletion of information to an optical information recording medium to generate an interference pattern in a return light flux, the return light flux FX to move toward a return light detecting part is made incident on a return light flux division optical element 10, optically divided into a first light flux part FX1 in which density of the interference pattern in the zero-th order light of the return light flux does not change, second and third light flux parts FX2, FX3 in which the density of the interference pattern reciprocally changes by the return light flux division optical element 10,  the focusing error is detected by using the first light flux part FX1 and the tracking error is detected by using the second and third light flux parts FX2, FX3.
Patent JP-2002248468-A (JP)
Title: Water cleaner with stand
Inventor: MATSUKI SEIGO
IPC: A47K3/00
Filed: 2001-02-23
Abstract: PROBLEM TO BE SOLVED: To provide a stand for a water cleaner which can prevent the water cleaner from falling-down, is free from trouble in manufacturing and can place the water cleaner in a stable sate. SOLUTION: The stand 2 having a bottom surface or side 21 inclined downward to the center from the right and left sides is installed. The water cleaner 1 is supported from below by the bottom surface or side 21 in a state that the longer direction of the water cleaner 1 is adjusted to a horizontal direction, thereby housing the water cleaner 1 in the stand 2.
Patent JP-2002250573-A (JP)
Title: Air conditioner
Inventor: ENDO KOICHI
IPC: F25B27/00
Filed: 2001-02-23
Abstract: PROBLEM TO BE SOLVED: To highly maintain energy utilization rate even in either cooling or heating operation. SOLUTION: In cooling operation, heat that is collected by a solar energy collector 30 is thrown into an adsorption type refrigerating machine 20 for cooling the high-pressure side refrigerant of a vapor compression type heat pump 10 using the adsorption type refrigerating machine 20. On the other hand, in heating operation, the low-pressure side refrigerant of the vapor compression type heat pump 10 is heated by heat that is collected by the solar energy collector 30, and at the same time is heated by the vapor compression type heat pump 10, thus performing heating using heat that is collected by the solar energy collector 30 and heat that is recovered by an outdoor heat exchanger 12, hence effectively utilizing heat that is collected by the solar energy collector 30 either in cooling operation or in heating operation and highly maintaining the energy utilization rate.
Patent JP-2001260819-A (JP)
Title: Improved electronic theft preventing system for automobile
Inventor: BARBIER STEPHANE
IPC: B60R25/021
Filed: 2001-02-23
Abstract: PROBLEM TO BE SOLVED: To provide an electronic theft preventing system in compliance with standards for a mechanical burglar preventing mechanism. SOLUTION: This system is equipped with a theft preventing mechanism 20 containing a housing 22 provided with members 24, 26, 38 to manually control the start of an automobile and the lock of the steering column of the automobile. This theft preventing system also contains an electromagnet 30 to fix the control members 24, 26, 38 to the housings 22, 28 so as not to rotate them, and if a theft prevention signal encoded is supplied to an electronic circuit to control the fixed members by an identification unit, release of the control the members are controlled.
Patent JP-2002249832-A (JP)
Title: Ceramics/metal composite material and its manufacturing method
Inventor: TAKEI YOSHIBUMI
IPC: C04B20/10
Filed: 2001-02-26
Abstract: PROBLEM TO BE SOLVED: To provide a ceramics/metal composite material by which the necessity of pressurizing equipment is obviated even when Mg-free aluminum alloy is used as a metal component and the manufacture of articles with a complicated shape can be facilitated, and to provide its manufacturing method. SOLUTION: Ceramic powder and/or ceramic fibers composed of SiC in which the whole or a part of the surface is coated with alumina are molded into a preform by using an alumina-based binder. Then a silicon-containing aluminum alloy is infiltrated as matrix alloy into the preform.
Patent JP-2002259030-A (JP)
Title: Computer system and its control method
Inventor: MORISAWA SHUNICHI
IPC: H03M11/20
Filed: 2001-02-28
Abstract: PROBLEM TO BE SOLVED: To simplify a circuit and to increase the flexibility of design by detecting a keyboard matrix and various operation buttons by a keyboard controller. SOLUTION: A keyboard matrix 31 is provided with a keyboard area 32 and an operation button area 33. A keyboard controller 34 is provided with a key code output bus to a keyboard driver 35 and a button code output bus to a button driver 36 and generates a key code to output it to the keyboard driver 35 at the time of operating a key in the keyboard area 32 and generates a button code to output it to the button driver 36 at the time of operating a button in the operation button area 33. The keyboard controller 34 displays operation contents indicated by the generated code on a sub-LCD 23. The keyboard driver 35 operates an OS and higher-order applications 37 on the basis of the key code, and the button driver 36 operates them on the basis of the button code.
Patent JP-2002253847-A (JP)
Title: Game advertisement charging system and program for family game or the like
Inventor: AOKI JUN
IPC: A63F13/61
Filed: 2001-02-28
Abstract: PROBLEM TO BE SOLVED: To rationalize the charging to a game advertisement. SOLUTION: The sum of the charge to the game advertisement is calculated on the basis of the display quality information of the game advertisement (the presence of ripping for an advertisement image, the advertisement display direction in a virtual three-dimensional space).
Patent JP-2002255989-A (JP)
Title: 2-nitroimidazole derivative
Inventor: TAMAI MASASHI
IPC: C07H15/26
Filed: 2001-03-02
Abstract: PROBLEM TO BE SOLVED: To provide a technique for glucuronic acid conjugate production by a specific 2-nitroimidazole derivative and to obtain the glucuronic acid conjugate by the specific 2-nitroimidazole derivative. SOLUTION: This 2-nitroimidazole derivative is represented by general formula (I) (R1 , R2 and R3 are each independently a hydrogen atom or glucuronic acid residue and any one of R1 , R2 and R3 is glucuronic acid residue and the remaining two are each a hydrogen atom), to be concrete, the following compounds represented by general formulas (II) and (III). This method for producing a 2-nitroimidazole derivative is characterized in that a specific trimethylsilyl group-containing compound is reacted with silver trifluoromethanesulfonate as an activator and then deprotected.
Patent JP-2002261196-A (JP)
Title: Component package
Inventor: ISHIKAWA SEIJI
IPC: H01L23/31
Filed: 2001-03-02
Abstract: PROBLEM TO BE SOLVED: To suppress output fluctuations due to a change in environmental temperature, in a component package with a configuration in which a first and second components are supported on a leadframe and these are secured in a molding material. SOLUTION: The component package 1 comprises a leadframe 12, a first bonding wire 10 for electrically connecting a first component 4 to a second component 9, a die bonding material 8B for bonding the second component 9 to the leadframe 12, a second bonding wire 11 for electrically connecting the second component 9 to the leadframe 12, a component encapsulating mold material 3 for forming to encapsulate at least the first component 4, and a mold material 2 for configuring the package for encapsulating the component encapsulating mold material 3, the second component 9, the bonding wire 10, 11 and the leadframe 12 and for configuring the package appearance. A linear expansion coefficient of the mold material 3 is between that of the first component 4 to the mold material 3 at a contact surface 4b and that of the mold material 2.
Patent JP-2002259628-A (JP)
Title: Method and device for evaluating environmental load
Inventor: HIROSE ETSUKO
IPC: G06Q10/00
Filed: 2001-03-02
Abstract: PROBLEM TO BE SOLVED: To obtain a method and a device for environmental load evaluation which can perform the total evaluation of even a complicated product composed of various components from the manufacture to the disposal efficiently with high precision and makes it possible to design the product while taking its disposal into account. SOLUTION: The correlation between data corresponding to the kinds of respective products and environmental load indexes is found by using a memory part including a standard database regarding original units of LCA, a component database regarding the components of the respective products, and a disposal database generated according to collected data of actual recycle plants, and the environmental loads of the respective products are evaluated by referring to the correlation to easily evaluate the environmental loads in the manufacture of the components and design the products while taking their disposal into consideration.
Patent JP-2002262025-A (JP)
Title: Image reader and image forming device
Inventor: SOEDA YOSHIHISA
IPC: H04N1/00
Filed: 2001-03-02
Abstract: PROBLEM TO BE SOLVED: To provide an image reader that recognizes occurrence of a fault in an original illumination lamp and the possibility of the occurrence in cross-reference with respective lamp characteristics and takes countermeasures in response to a degree of the fault so as to enhance the performance of the image reader. SOLUTION: A prescribed xenon lamp-on time is set after rising of the lamp as a condition corresponding to the characteristic of the lamp and a deficient luminous quantity of the lamp is checked according to 2-stages of threshold values in addition to the condition so as to recognize 4 stages of different degrees of lamp failure. When the luminous quantity of the lamp with a level of the lower threshold value 1 or below is detected within a prescribed time for a plurality of number of times, the inhibited use of the lamp is recognized. Even when the level of the lamp exceeds the threshold value 1 within the prescribed time, if the abnormity of the luminous quantity of the lamp has been detected before, the faulty lamp is recognized.  Even when the level of the lamp exceeds the threshold value 1 within the prescribed time, if the level of the lamp cannot exceed the higher threshold value 2, deterioration in the luminous quantity of the lamp is recognized and the results of the recognition above are reflected on the operation or the maintenance of the image reader.
Patent JP-2001356080-A (JP)
Title: Method and apparatus for simulating capacity of tire and recording medium
Inventor: OSAWA YASUO
IPC: B60C19/00
Filed: 2001-03-05
Abstract: PROBLEM TO BE SOLVED: To easily form a model when the capacity of a tire is simulated and to easily alter a plurality of patterns. SOLUTION: A tire main body model for analyzing capacity, a tread pattern model to the tire main body model, a wheel model for assembling a tire and an attaching object model for attaching a tire wheel assembly are selected (100-106) and the selected tire main body model and the tread pattern model are joined to form a tire model and the wheel model is joined to the formed tire model to form a tire wheel assembling model (108) and this tire wheel assembling model and the attaching object model are joined to form an analyzing object model (110) and, according to an analyzing program, analyzing simulation of four-wheel tire capacity is performed (112).
Patent JP-2002254775-A (JP)
Title: Image forming device
Inventor: TOMIDOKORO NOBUAKI
IPC: G06F3/12
Filed: 2001-03-05
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device which can avoid an inconvenience when an operator changes over a display language selectively. SOLUTION: A storage means (ROM8) to storage plural display data by different languages, an operation panel 21 to display a name of one to be selected among the languages and also to display in a fixed language, and a language change-over means to change over the display language on the operation panel 21 are provided.
Patent JP-2002264022-A (JP)
Title: Grinding wheel
Inventor: WADA KOUJI
IPC: B24B55/02
Filed: 2001-03-06
Abstract: PROBLEM TO BE SOLVED: To shorten machining time by high-speed machining when an object to be machined is ground by using a forming cutter. SOLUTION: A screw material 7 as object to be ground is ground by a grinding wheel body 1 as forming cutter. The grinding wheel body is mounted on a grinding device not shown in the Fig. in a mounting hole 6 and rotates at a high speed. Passages 5, 6a for grinding fluid are formed inside the grinding wheel body and an inlet of the grinding fluid is communicated with a groove 3 formed on a side face of the grinding wheel body. The other ends of the passages are communicated with outlets 4a, 8b formed on an outer circumference of the grinding wheel body facing a machining point 7a. Clearances 4, 8 are formed on the circumferences of the outlets in order to lengthen a life of the grinding wheel.
Patent JP-2001266029-A (JP)
Title: Electronic wallet system accompanied by safe operation between purses
Inventor: DURAND ALAN
IPC: G06Q20/36
Filed: 2001-03-06
Abstract: PROBLEM TO BE SOLVED: To provide another method of settlement on safe operation between purses in an electronic wallet system. SOLUTION: The electronic wallet system has plural devices, which can perform electronic commerce on an open network. Each device has a smart card reader. Plural smart cards indicate electronic purses which can include electronic money. One device has an entity called a server, and the server has a list of data entries, and each entry corresponding to a purse takes on the responsibility of receiving electronic money, included in a token from another purse in the system. The server temporarily stores the token, when the token is transmitted among purses. In order to improve the safety of a transaction, messages, exchanged between devices and/or smart cards during the token transmission operation, are protected by a secret key stored in only smart cards in the system.
Patent JP-2002266738-A (JP)
Title: Ignition device for internal combustion engine
Inventor: UJIGAWA MASARU
IPC: F02P15/00
Filed: 2001-03-06
Abstract: PROBLEM TO BE SOLVED: To prevent the generation of noise relative to a radio or apparatus around an automobile by reducing a magnetic force and electric power radiated from an ignition coil device. SOLUTION: A spring 14 transmitting the high voltage of an ignition coil portion 100 and an ignition plug 27 is made by combining a right winding spring 14A and a left winding spring 14B. Therefore, the magnetic force generated by a secondary current passing through the spring 14 is cancelled by combining the right and left windings, thereby reducing the magnetic force and electric power radiated from the spring portion 14.
Patent JP-2002265587-A (JP)
Title: Process for producing aromatic/aliphatic copolycarbonate
Inventor: NAGASHIMA HIROMITSU
IPC: C08G64/30
Filed: 2001-03-08
Abstract: PROBLEM TO BE SOLVED: To provide a process for producing an aromatic/aliphatic copolycarbonate useful for an optical material, scarcely occurring any foreign substance, and excellent in color hue. SOLUTION: The process for producing an aromatic/aliphatic copolycarbonate is characterized in subjecting an aromatic carbonic diester, an aliphatic dihydroxy compound to melt polymerization in the presence of an alkali metal and/or alkaline earth metal catalyst in a reaction system comprising two or more reactors connected to one another, wherein the flow velocity of the molten reaction mixture in the pipelines in the connecting parts is controlled to 0.004 m/s or higher.
Patent JP-2002270888-A (JP)
Title: Optical semiconductor device
Inventor: KUNII HIDEO
IPC: H01L23/50
Filed: 2001-03-08
Abstract: PROBLEM TO BE SOLVED: To provide a simple optical semiconductor device to meet the requirements for improving an accuracy of receiving and radiating of light in the semiconductor device, by fixing the device to a position on the mounting substrate with stability, when the device is mounted on the substrate. SOLUTION: The optical semiconductor device 1 comprises wings 11, 12 of two positions substantially perpendicular to a plane for leading leads 13. The stability is obtained on the plane by the wings 11, 12, and the device is mounted self-supporting manner on the substrate. Thus, the device 1 is surely stabilized on the substrate, and photodetecting and light-emitting lenses 14, 15 can be mounted with high positional accuracies. As a result, the device 1 becomes a product, capable of obtaining reliability.
Patent JP-2002263979-A (JP)
Title: Feeding device
Inventor: ASUMI KAZUMASA
IPC: B23Q5/28
Filed: 2001-03-08
Abstract: PROBLEM TO BE SOLVED: To provide a feeding device with simple structure and to provide an increased life. SOLUTION: The feeding device to move an object 31 to be conveyed in a predetermined direction comprises a stretching and displacing first piezoelectric element 12; a first drive part 15a to apply a press force on the object 31 to be conveyed, a second piezoelectric element 22 stretching and displacing in a direction approximately orthogonal to the stretching direction of the first piezoelectric element 12; and a second drive part 15b to apply a press force or a tensile force on the first drive part 15a. With the first piezoelectric element 22 stretched, the second piezoelectric element 22 is retracted, and the object 31 to be conveyed is moved in the retracting direction of the second piezoelectric element 22.
Patent JP-2002268050-A (JP)
Title: Light scattering type liquid crystal device
Inventor: NAKADA HIDETOSHI
IPC: G02F1/1334
Filed: 2001-03-08
Abstract: PROBLEM TO BE SOLVED: To provide a light scattering type liquid crystal device which can electrically scan the highly sufficient scattering, reflection, and transmission of light with a low driving voltage. SOLUTION: This liquid crystal device has a dimming layer in the continuous phase of liquid crystal. The dimming layer is formed of a transparent solid substance and has a three-dimensional network structure which has a 0.4 to 1.5 μm mean gap interval. Alternatively, the dimming layer has a structure in which small drops of liquid crystal are dispersed in the transparent solid substance, and the mean particle size of the small drops of the liquid crystal is 0.4 to 1.5 μm or they are mixed and the surface free energy of the transparent solid substance is 27 to 37 mN/m<2> . The liquid crystal device has two substrates which have electrode layers and at least one of which is transparent and the dimming layer supported between those substrates. The transmission and scatting of light is controlled by electric field effect.
Patent JP-2001346038-A (JP)
Title: Digital image processing system
Inventor: KUBOYAMA SHOICHI
IPC: G06T5/00
Filed: 2001-03-08
Abstract: PROBLEM TO BE SOLVED: To alleviate generation of moire in a binary image including dots by a simple processing. SOLUTION: The generation of moire is detected by one cell unit of the dots for a digital image including the dots read from a scanner or a digital image to which a magnification and reduction processing is performed and the generation of moire is alleviated in the following way. The shape is corrected so that each cell has a shape close to point symmetrical with respect to the center of the cell by every detected cell as shown in fig. 1 (a). In addition, the cells are moved so that position coordinates of at least nine adjacent cells becomes statistically equal as shown in fig. 1 (b). Furthermore, the moire is detected by one cell unit the dots and the shape of a detected reference cell is corrected so that distance of adjacent sides among the reference cell and at least four cells adjacent to the reference cell become equal as shown in fig. 1 (c).
Patent JP-2002262647-A (JP)
Title: Threshing device
Inventor: UMEBAYASHI RYUJI
IPC: A01F12/18
Filed: 2001-03-09
Abstract: PROBLEM TO BE SOLVED: To provide a threshing device capable of simply and readily releasing lock and excellent in safety in a lock device of a threshing chamber cover, etc., of a thresher. SOLUTION: This threshing device is constituted so as to release lock of a threshing chamber cover by protruding a lock-releasing lever to the side of the threshing chamber cover, providing a hooking part (stepped part) for a hand in the vicinity of the lock-releasing lever, and by gripping the lock- releasing lever and the hooking part in a lock device of the threshing chamber cover openably and closably attached to a threshing frame.
Patent JP-2002266481-A (JP)
Title: Eaves gutter fixture
Inventor: SAKAI TOSHIO
IPC: E04D13/072
Filed: 2001-03-09
Abstract: PROBLEM TO BE SOLVED: To solve problems wherein a conventional means causes a vibration sound, and slips out an eaves gutter by vibration of the eaves gutter receiving strong wind and rain by clearance since the clearance must exist between a recessed part of the lug edge and a reinforcing member to a certain degree for rotating the eaves gutter at installing time though having the effect of strengthening support force by an increase in the contact area with the eaves gutter. SOLUTION: An eaves gutter installing tool is formed of a front holding part 1 for supporting the outdoor side lug edge of the eaves gutter, a rear holding part 2 for supporting the indoor side lug edge of the eaves gutter, a support part 3 for supporting the front holding part 1 and the rear holding part 2, and a fixing plate 4 installed in the rear of the support part 3, and fixed to a wall surface of a building. The front holding part 1 is provided with a band plate 5 extending in the flowing direction of the eaves gutter from the support part 3, and an engaging piece 6 extending upward from the band plate 5. The band plate 5 is formed in an arc shape, and is formed so as to lift both end parts upward. The engaging piece 6 is formed of a plurality of pieces different in the height, and the high side engaging piece 6 is formed of an elastic piece.
Patent JP-2002268506-A (JP)
Title: Image forming device
Inventor: SATO TOSHIYA
IPC: G03G21/06
Filed: 2001-03-12
Abstract: PROBLEM TO BE SOLVED: To prevent a photoreceptor from being damaged by an electrifier at the time of attaching and detaching an image forming unit in an image forming device provided with the electrifier arranged near the lower part of the image forming unit provided with the photoreceptor. SOLUTION: At the time of attaching and detaching the image forming unit 54 to/from a main body case body 50, the electrifier 8 is attached and detached together.
Patent JP-2002267217-A (JP)
Title: Ventilation-supporting apparatus
Inventor: NAKAWA YOSHIHARU
IPC: F24F7/007
Filed: 2001-03-12
Abstract: PROBLEM TO BE SOLVED: To provide an ventilation-supporting apparatus which supports daily ventilation so as to execute it subsequently with ease. SOLUTION: A ventilation supporting apparatus comprises carbon dioxide gas detection means 4, 5 for detecting carbon dioxide gas in a room to be ventilated; control means 2 for calculating carbon dioxide gas concentration, based upon detection outputs from the carbon dioxide gas detection means 4, 5, and for controlling an intellectual training simulation game where advance conditions change following calculated carbon dioxide gas concentration; and display means 6 controlled by the control means 2 for displaying the contents of the intellectual training simulation game.