baber/WOPTO huggingface dataset:
Patent JP-H11186013-A (JP)
Title: Highly anticorrosive permanent magnet
Inventor: YOSHIKAWA MASAO
IPC: C23C22/30
Filed: 1997-12-25
Abstract: PROBLEM TO BE SOLVED: To provide a highly anticorrosive permanent magnet which can maintain a beautiful appearance and a high anticorrosiveness for a long time even when the magnet is composed of an extremely thin film, by forming a chromate film having a chromium composition adjusted to a specific ratio and a specific thickness on the surface of an R-T-B permanent magnet. SOLUTION: One, two, or more kinds of rare-earth elements including Y are used as the R of an R-T-B permanent magnet and Fe or Fe and Co are used as the T of the magnet. The magnet is coated with a chromate film. The abundance ratio between trivalent chromium and hexavalent chromium, namely, Cr<3+> /Cr<6+> in the chromate film is adjusted to >=10. In addition, the thickness of the chromate film is set to between about 1 nm and about 100 nm. As a result, the permanent magnet can maintain a beautiful appearance and a high corrosion resistance for a long time, even if the magnet is composed of an extremely thin film.
Patent JP-H05274809-A (JP)
Title: Transmission device of digital picture signal
IPC: H04N19/176
Filed: 1992-12-24
Abstract: PURPOSE:To prevent the increase of redundancy by including no DCT codes of different video groups in each sink block and being enough only if a quantization number is inserted in the sink block. CONSTITUTION:An input digital image signal is compressed by the encoding generating variable length encoding output, the quantity of data of the variable length encoding output for a prescribed period is made below a target value in buffering circuits 5, 6 when the variable length encoding output is transmitted, and the variable length encoding output for which the quantity of data is controlled is converted into the constitution of a sink block by a packing circuit 8 and is transmitted by a transmission device. The data area length of the sink block is stipulated so that the variable length encoding output for the prescribed period controlled by buffering circuits 5, 6 may be included in an integral number of sink blocks. By this constitution, the only insertion of a quantization number is enough, wasteful areas within the sink block are decreased and the number of reproducible data at the time of reproducing speed change is increased.
Patent JP-H05181088-A (JP)
Title: Optical isolator
Inventor: IWATSUKA SHINJI
IPC: G02B27/28
Filed: 1991-12-27
Abstract: PURPOSE:To eliminate the polarization dependency of the optical isolator where all components can be made incident regardless of the polarizing direction of incident light. CONSTITUTION:First and second diffraction grating elements 1 and 2 which each have at least one birefringent area are arranged in front of and behind a 44 Faraday rotator 3 in a light traveling direction; and the directions of the diffraction gratings of both the diffraction grating elements are made parallel to each other and the position relation in the direction perpendicular to the direction of both the diffraction gratings is adjusted to make forward light travels straight without being polarized and backward light not return in the original direction while the polarized light is all diffracted. Consequently, the structure is simple and small in size, and the optical isolator is mass-produced.
Patent JP-H05178672-A (JP)
Title: Production of ceramics
Inventor: KIKKO TOSHIHIKO
IPC: F27D3/12
Filed: 1991-12-28
Abstract: PURPOSE:To prevent the melt sticking of a ceramic compact to a setter at the time of sintering, to facilitate the scattering of a binder and to produce ceramics nearly free from cracks and defects. CONSTITUTION:When one or more ceramic compacts are piled and sintered to produce ceramics, a plate-shaped setter is disposed at least on, under or between the piled compacts before sintering and the surface roughness of the setter is regulated to >=1mum.
Patent JP-2000179350-A (JP)
Title: Roll-oscillation reducing apparatus of internal combustion engine
Inventor: HIRANO IZUHO
IPC: F02B67/04
Filed: 1998-12-17
Abstract: PROBLEM TO BE SOLVED: To cancel a thrust applied to a crankshaft without degrading a contact ratio of the gears, while retaining an essential function to reduce roll oscillation. SOLUTION: This roll-oscillation reducing apparatus includes two sub- flywheels 6a, 6b rotatably supported to the engine body through respective shafts 22a, 22b which are parallel to a crankshaft 11, and two helical gear sets for reverse-rotating the respective sub-flywheels 6a, 6b with respect to a main flywheel system at an increased speed. The moment of inertia Ii of each sub-flywheel 6a, 6b, speed increasing ratio ρi of each helical gear set, and angle of torsion θi of each helical gear set satisfy the relationship expressed by the following equation.
Patent JP-H10190984-A (JP)
Title: Rotating detector for image reader
Inventor: MATSUMOTO YASUSHI
IPC: G01D5/36
Filed: 1996-12-27
Abstract: PROBLEM TO BE SOLVED: To realize miniaturization of an image reader by making the rotation detector small in size. SOLUTION: A rotating detector is used for an image reader, in which an image in a main scanning direction, is read by a linear line sensor and a moving amount in the sub-scanning direction is detected by the rotation detector. The rotation detector is provided with an encoder disk 41, where a slit 41a is formed from a rotation center toward a circumferential direction. A photointerrupter 5 detects the rotation of the encoder disk 41, depending on transmission/ interruption of light through the slit 41a. The slit 41a is formed up to a circumferential edge of the encoder disk, and a part connecting to a light shield part 41c which existed in a conventional detector is not present at the outer circumference of the encoder disk. Thus, the size of the encoder disk 41 and the photointerrupter 5 is made small, resulting in the size of the image reader being small.
Patent JP-H05236938-A (JP)
Title: Method for separating cell from culture solution
Inventor: BABA TOSHIYUKI
IPC: C12M1/12
Filed: 1991-12-30
Abstract: PURPOSE:To completely separate cells by a high flux in separating cells from a culture solution by using a specific turntable-like membrane separating device by using a suspension prepared by adding water-insoluble fine particles having specific particle diameters to a culture solution to reduce viscosity of the culture solution. CONSTITUTION:In separating cells from a culture solution by using a turntable- like membrane separating device having a cell separating membrane made of ceramics, water-insoluble fine particles (preferably perlite) having 0.3-40mum (preferably 5-30mum) average particle diameter are added to the culture solution to give a suspension, which is used to carry out the objective cell separation.
Patent JP-H10183317-A (JP)
Title: Hydrogen storage alloy having excellent activation and its manufacture
Inventor: SHINOHARA MASASHIGE
IPC: C23C18/38
Filed: 1996-12-19
Abstract: PROBLEM TO BE SOLVED: To obtain a hydrogen storage alloy having an excellent activation by heating and cooling at an argon gas atmosphere under the specified condition after coating the specified thickness of copper onto the hydrogen storage alloy ground into the specified grain size with an electroless plating method and further forming the copper coating having the specified range of thickness with an ion beam irradiating device. SOLUTION: An applied alloy is NaNi5 or the like generally used. The grain size of this alloy is specified to be 0.5-1.5mm. When copper is coated on the surface of the alloy, heat is instantaneously and easily transmitted to the periphery of the alloy grain because of the excellent heat conductivity of copper. Also, the adhesion of impurities to the surface of the grain is prevented and the activation of the alloy is promoted. The thickness of copper coating is specified to be 8-10μ. This coating is held for 20-24 hours within the argon atmospheric controlled heating furnace rising and dropping the temperature between 0-90 deg.C after coating copper of 3-4μ in thickness onto the alloy ground into above range of grain size with the electroless plating, thereafter an ion beam is irradiated to form the coating of 8-10μ in total thickness.
Patent JP-H11191501-A (JP)
Title: Resistor and cathode-ray tube electron gun using the same, and manufacture of the resistor
Inventor: NAKAYAMA KAZUTAKA
IPC: H01C17/02
Filed: 1997-12-26
Abstract: PROBLEM TO BE SOLVED: To prolong the lifetime and miniaturize by restraining short-circuitings between resistance patterns. SOLUTION: Surface of a resistor 2 is coated by covering resistance patterns 5 with an overcoat glass 4 having sodium concentration lower than 500 ppm. An electron gun for a cathode-ray tube is formed equipped with the resistor 2. In preparing the overcoat glass 4, which covers the resist patterns 5 for surface coating, a glass cullet which is the raw material for the overcoat glass 4 is milled, and the glass powder is rinsed with deionized water to reduce the sodium concentration to less lower than 500 ppm for the manufacture of the resistor 2.
Patent JP-H10194451-A (JP)
Title: Substrate support device and substrate mounting and dismounting device to mount and dismount substrate on substrate support device
Inventor: NOZAWA NAOYUKI
IPC: H01L21/677
Filed: 1996-12-27
Abstract: PROBLEM TO BE SOLVED: To finish mounting and dismounting of a substrate in a short period of time and take a treatment region of a substrate surface wide. SOLUTION: A substrate support device vertically supports a substrate 2 by four pieces of fixed support clicks 12 provided on a base plate 11 and a movable support click 13 provided on an arm 14 shaft supported on the base plate 11. A substrate mounting and dismounting device has a substrate pickup 3 inserted into an opening 20 in the center of the substrate 2 and to hold the substrate 2, a carrier mechanism 4 to move the substrate pickup 3 and an opening and closing rod 7 integrally provided with the substrate pickup 3. The opening and closing rod 7 opens and closes the arm 14 by moving by being interlocked with movement of the substrate pickup 3 in the vertical direction, makes the movable support click 13 contact with a peripheral edge of the substrate 2 and separates it from the peripheral edge.  The movable support click 13 is restrained from separating from the substrate 2 by elastic force of a coil spring at the time of attachment of the substrate 2.
Patent JP-H06200697-A (JP)
Title: Sealing method in shielding machine and apparatus
Inventor: BABA KAZUNORI
IPC: E21D9/06
Filed: 1992-12-30
Abstract: PURPOSE:To pull out a water-impermeable coating film for concrete in site in an excavated tunnel from the inside of a shielding machine while preventing its breakage and also prevent the placed concrete from entering into the machine side. CONSTITUTION:A pair of internal and external sealing materials 11, 12 are fitted to the drawing outlet 8 for a water-impermeable film in a containing chamber 6 of the water-impermeable film provided in a shielding machine body 1 to draw out the water impermeable film 5 with a holding state so as not to get into contact with the inner wallface of the outlet 8 by the elastic sealing materials 11, 12. A pressurized fluid 25 is filled in the space 26 in the inner peripheral direction of the water- impermeable film 5 between the sealing materials 11, 12 and the rearend of the rear shell 4 of the shielding machine body 1 to press the water-impermeable film to the excavating ground side by the pressurized fluid 25 in order to prevent the ground from collapsing. Moreover, when the concrete 34 is placed and compacted in concrete form 7 assembled within the rear shell 4 by this pressurized fluid 25 and a tube seal 13 attached at the rearend of the drawing outlet 8 or the outer periphery of the rearend of the rear shell, the concrete 34 is prevented from going round from the outer peripheral face of the rear shell 4 to the machine inside.
Patent JP-2000186608-A (JP)
Title: Motor controller of hybrid powered vehicle
Inventor: TABATA ATSUSHI
IPC: B60L50/16
Filed: 1998-12-18
Abstract: PROBLEM TO BE SOLVED: To detect the rotor turning angle of a motor with a turning angle sensor for a crankshaft. SOLUTION: A crankshaft of an engine 10 and a rotor of a motor 16 are connected together on the same shaft. An absolute turning angle of the crankshaft is detected by a resolver 22 installed in this crankshaft. An electric current to be produced in the motor 16 when the rotor is rotated and a rotor turning angle are found out of a stator position angularly set up in advance. This rotor turning angle and an initial phase shift of the absolute turning angle of the crankshaft are learned. On the basis of the learnt initial phase shift and an output signal of the resolver 22, the rotor turning angle of the motor 16 is found, whereby control over the motor 16 is carried out.
Patent JP-2001034979-A (JP)
Title: Optical head
Inventor: YAMAZAKI HIROYUKI
IPC: G11B7/12
Filed: 1999-12-20
Abstract: PROBLEM TO BE SOLVED: To obtain an optical head in which the stable levitation in a very small amount of a slider can be performed by a simple constitution. SOLUTION: A positive-pressure generating groove part 10a and a negative- pressure generating groove part 10b are formed on the bottom face of a slider 10 which holds a fixed immersion lens 13 along a direction in which an air flow A generated by the rotation of a recording medium flows. The slider 10 is levitated by a positive pressure generated in the groove part 10a, and its unnecessary levitation is suppressed by a negative pressure generated in the groove part 10b.
Patent JP-2000176829-A (JP)
Title: Polishing device
Inventor: SASAKI YOSHITAKA
IPC: B24B37/12
Filed: 1998-12-18
Abstract: PROBLEM TO BE SOLVED: To perform flattening process with high accuracy in response to miniaturization of a semiconductor device or a thin film magnetic head and the like. SOLUTION: This polishing device is provided with one-stage surface plate 11, and plural, for example, two polishing parts 12, 13 are provided on the surface plate 11. First, rough polishing is performed on the polishing part 12 by means of a hard polishing pad 14 on which diamond abrasive grains are dispersed to be fixed. In this case, since the polishing pad 14 is hard, the pattern dependency of a wafer is not observed on the polishing surface. Next, scratches or polishing distortion slightly generated on the wafer by the polishing part 12, are removed on the polishing part 13 by a polishing pad 15 of two-layer structure, and thus finish-polishing is performed. The finish-polishing is performed while polishing liquid containing slurry is supplied on the polishing pad 15.
Patent JP-H11189102-A (JP)
Title: Attaching structure for side panel
Inventor: SHIMAZU MINORU
IPC: F16B5/10
Filed: 1997-12-26
Abstract: PROBLEM TO BE SOLVED: To provide an attaching structure for a side panel in which the side panel is attached substantially horizontally to the side wall of a vehicle body and the detachment of the side panel from the side wall can be assuredly prevented. SOLUTION: When the side wall 4 of a vehicle body is deformed toward a vehicle interior due to load such as sideward collision, the lower edge of an engaging hole 8 formed in a bracket 7 abuts on the bead (oblique side part) 15 of an engaging piece 11 to raise the engaging piece 11 upward. Thus, an upward bent part 14 formed at the end of the engaging piece 11 engages with the upper edge of the engaging hole 8, so that the disengagement of a side trim (side panel) 2 is prevented.
Patent JP-2000175765-A (JP)
Title: Armrest device for vehicle
Inventor: HIRABAYASHI SHIGEKI
IPC: B60N2/75
Filed: 1998-12-18
Abstract: PROBLEM TO BE SOLVED: To reduce cost while heightening usability by simplifying the constitution of a lock mechanism part in an arm rest device for a vehicle capable of opening/closing a lid body from both lateral directions. SOLUTION: Hinge groove parts 37 for receiving hinge shafts 50 on both sides are formed at the front and rear upper edges of a box body 30, while the hinge shafts 50 received by the hinge groove parts 37 are stored on both sides in a lid body 40 being energized outward by springs. The hinge shafts 50 are slid onto the inner surface side by lifting lock release knobs 54, so that engaging members 51 integral with the hinge shafts 50 enter a locking hole 61 of a center locking member 60, and the locking member 60 is energized forward by a spring to engage the hinge shafts 50 with the locking member 60, which permits the open state of the lid body 40 in the state of maintaining a lock released state.
Patent JP-2000188430-A (JP)
Title: Temperature control unit
Inventor: UEDA TETSUJI
IPC: H01L35/30
Filed: 1998-12-21
Abstract: PROBLEM TO BE SOLVED: To hermetically seal a Peltier module in a case with ease by filling the gap between the case and a chip holder around the Peltier module with resin for hermetic sealing, low in moisture absorbency. SOLUTION: A temperature control unit is basically constituted by sandwiching a Peltier module 1 which exercises temperature control between a metal case 2 and a chip holder 3, high in thermal conductivity. Resin 4 and 5, low in thermal conductivity and moisture absorbency is filled in the gap between the case 2 and the chip holder 3 over the periphery of the chip holder 3 to cut off the space where the Peltier module 1 is mounted from outside air. Since the scope of hermetic sealing is limited to the vicinity of the Peltier module 1 to obviate equipment for welding and the like and only the minimum required area is filled with resin 4 and 5, sufficient hermeticity is obtained and the Peltier module is hermetically sealed with ease and reliability.
Patent JP-2000187003-A (JP)
Title: Substance for measuring decomposition reaction and measuring method using the same
Inventor: KIDOKORO SHUNICHI
IPC: G01N21/78
Filed: 1998-12-22
Abstract: PROBLEM TO BE SOLVED: To enable detailed tracking of the temporal progress of a reaction without introducing a spectroscopic probe to the vicinity of a decomposing section by constituting a chemical substance subjected to a decomposition reaction in such a way as to have both a section to be combined to high molecules on one side sandwiching a section to be cut by the decomposition reaction and a section to emit fluorescence on the other side. SOLUTION: A substance being a section to be specifically combined to high molecules on one side of a section to be separated in the case of the occurrence of a decomposition reaction and a section to emit fluorescence on the other side is prepared and combined to high molecules. Then a decomposition reaction is started, and the degree of the temporal progress of the decomposition reaction is obtained by measuring the degree of polarization or degree of depolarization of the fluorescence. Any reaction can be applicable as the decomposition reaction as far as the substance is decomposed and separated into two molecules or more. For example, the hydrolysis reaction of peptide and other various photolysis reactions and pyrolysis receptions can be applied.  By measuring the degree of polarization or degree of depolarization of the fluorescence associated with the decomposition reaction, it is possible to measure the decomposition reaction with high sensitivity.
Patent JP-H11187268-A (JP)
Title: Image forming device, image reading method and image forming method therefor
Inventor: KIOKA HIDEKATSU
IPC: H04N1/203
Filed: 1997-12-20
Abstract: PROBLEM TO BE SOLVED: To read a double-face original with optimum image density in the case of a double-face original. SOLUTION: This image forming device which arranges a photoelectric conversion element, such as a CCD linear image sensor of a contracted optical system and a contact type image sensor of an unmagnified on both sides of an original carriage path and has a means for reading the image data on both faces of the original is provided with an original reading mode (single face/ double-face) setting means, a detecting means 34 which detects a transmission rate of an original, storing means 31 and 32 which store read image data, a density operating means which calculates the image data density of the original based on data from the transmission rate detecting means, and a recording means 23 which records the density operation result of the image data.
Patent JP-2001180214-A (JP)
Title: Assembly of pneumatic tire and rim
Inventor: YUGAWA NAOKI
IPC: B60C5/00
Filed: 1999-12-22
Abstract: PROBLEM TO BE SOLVED: To reduce road noise. SOLUTION: In this assembly 1 of a pneumatic tire 2 and a rim 3, a tire inner cavity 4 is formed around the rim 3 by installing the tire 2 onto the rim 3. The assembly 1 has a noise damper 5. The noise damper 5 has a flexible annular band base body 6 mounted on the peripheral face of the rim 3; and one or more rising parts 7 formed in the band base body 6, rising to the tire radial direction from the peripheral face of the rim 3 by centrifugal force accompanying rotation of the assembly 1 to block the tire inner cavity 4.
Patent JP-H11182151-A (JP)
Title: Combined structure of door and door frame
Inventor: NAKAMOTO SUKEMASA
IPC: E06B7/02
Filed: 1997-12-22
Abstract: PROBLEM TO BE SOLVED: To provide a combined structure of a door and a door frame which is simple in structure and excellent in ventilating ability and light sealing ability. SOLUTION: This is a combined structure of a door 20 having a recessed part H formed by cutting at least a part of a peripheral edge and a door frame 10 to support the door 20 by a door stop provided on the peripheral edge of a door frame body 11. At least a part of the door stop at a position opposite to the recessed part H formed in the door at the time of closing the door is cut to form a light shielding body P for directly covering the recessed part H formed in the door 20, and a gap S passable to an air is left between the closed door 20 and the light shielding body P to enable the recessed part H to externally fit on the light shielding body P.
Patent JP-2001182605-A (JP)
Title: Reference position judging device for crankshaft, crank position detecting device, and engine controlling device
Inventor: KIDA YOSHIAKI
IPC: F02D45/00
Filed: 1999-12-24
Abstract: PROBLEM TO BE SOLVED: To prevent the erroneous judgment of the reference position of a crankshaft under a transitional condition, in engine control for the odd number of cylinders. SOLUTION: A coefficient Kth, used for calculating judging time Tth in order to judge a reference position, is changed into first or second values K (1) or K (2) by the rotating position of a crankshaft in one stroke of an engine. For instance in counter treatment for making the increment of a crank angle counter, the coefficient Kth is made the value K (2) based on a cam angle signal from a cam angle sensor (S240) when the cam angle signal is in a low level (Lo) (S230: YES), while the coefficient Kth is made the value K (1) (S250) when the cam angle signal is in a high level (Hi) (S230: NO).
Patent JP-H11194418-A (JP)
Title: Data printing device
Inventor: IKUI AKIHIRO
IPC: G03B17/24
Filed: 1997-12-26
Abstract: PROBLEM TO BE SOLVED: To print the aberration corrected data by using an existing liquid crystal element without requiring a special liquid crystal element for printing and without making an equipment main body thick in thickness. SOLUTION: This data printing device is provided with a liquid crystal element 3 for printing data arranged at the equipment main body, an illumination means 7 for illuminating the element 3 and printing optical systems 5a and 5b for printing an image formed on the element 3 on the surface of a recording medium. Then, an optical system is formed by arranging the element 3, the illumination means 7 and the optical systems 5a and 5b optically in parallel to each other.