baber/WOPTO huggingface dataset:
Patent JP-H04209995-A (JP)
Title: Construction of low vacuum pump bearing
Inventor: SUGAWARA HIROSHI
IPC: F04D29/048
Filed: 1990-11-30
Abstract: PURPOSE:To eliminate an active type magnetic bearing as a bearing for radial direction to reduce weight and cost by providing a pair of dynamic pressure gas bearings for restricting the degree of freedom of the rotor shaft in two radial directions between the rotor shaft and a stationary side member, and also providing a thrust magnetic bearing CONSTITUTION:A pair of dynamic pressure gas bearings 8, 8 are provided axially between a part of a rotor shaft 7 where a drive portion 5 of a motor 6 for driving a pump portion 2 through a rotor shaft 7 is provided and a stationary side member 4 for supporting the motor 6 at a specified interval. Each dynamic pressure gas bearings 8 is rotated as the rotor shaft 7 is rotated. It is composed of a bearing rotor 9 with dynamic pressure generating grooves 92 and a bearing stator 10 fixed to a stationary side member 4, and is so constructed that degree of freedom of the rotor shaft 7 in two radial directions may be restricted by generating dynamic pressure by the rotation of the rotor 9. Also a thrust magnetic bearing 11 with a magnet 13, operated in response to the detected result by a sensor 17 for detecting the axial displacement of the rotor shaft 7, and a disk 12 opposed to the electromagnet 13 are provided.
Patent JP-H04202359-A (JP)
Title: Resin composition
Inventor: YASUE KENJI
IPC: C08L77/06
Filed: 1990-11-29
Abstract: PURPOSE:To obtain a composition, excellent in mechanical properties, heat and chemical resistance, etc., remarkably improved in flame retardance and suitable in the electrical, electronic and mechanical fields, etc., by blending nylon 46 with ABS, a high-molecular weight halogenated flame retardant and hydrotalcite in specific amounts. CONSTITUTION:A resin composition is obtained by blending (A) 15-97wt.%, preferably 20-85wt.% nylon 46 with (B) 1-70wt.%, preferably 10-60wt.% styrene- based polymer (ABS) prepared by polymerizing an aromatic vinyl compound and a vinyl cyanide compound in the presence of a rubber-like polymer, (C) 1-40wt.%, preferably 3-40wt.% high-molecular weight halogenated flame retardant (e.g. a halogenated phenoxy resin) and (D) 1-40wt.%, preferably 3-30wt.% hydrotalcite.
Patent JP-2001154518-A (JP)
Title: Heating device, image heating device and image forming device
Inventor: KUME TAKAO
IPC: G03G15/20
Filed: 1999-11-30
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive heating device provided with high performances such as being capable of lowering power consumption, shortening waiting time, lowering driving torque, being used for full color toner images, improving durability and not generating slippage, fixing defects, gloss irregularities and offsets. SOLUTION: This heating device is provided with heating rotating bodies 6 and 7, a slide supporting member 3 for supporting the inner surface side of the heating rotating bodies on a slide surface through a lubricant 9 and a pressurizing rotating body 2 for clamping the heating rotating bodies with the slide supporting member and forming a nip part N, a material to be heated is clamped and carried by the nip part and the material to be heated is heated by heat from the heating rotating bodies. The heating rotating body is a cylindrical film for which the two of a first cylindrical film 6 on an inner side and a second cylindrical film 7 on an outer side are piled up and the length L1 in a longitudinal direction of the first cylindrical film 6 and the length L2 in the longitudinal direction of the second cylindrical film 7 satisfies L1>L2.
Patent JP-H04202722-A (JP)
Title: Metal filtration device using plate filter
Inventor: FUJITA AKIO
IPC: C22B21/06
Filed: 1990-11-30
Abstract: PURPOSE:To easily and inexpensively filter off the suspended impurities in molten Al by forming the molten Al filtration system with a heating and agitating chamber having an immersed heater and a filtration chamber communicating therewith and having a vibrated plate filter. CONSTITUTION:Molten Al is supplied from an inlet 5 into a heating and agitating chamber 3 provided with plural immersed heaters 13 and a rotating shaft 14 having an impeller 15, heated by the heater 13 and agitated by the impeller 15, and suspended impurities in the molten Al are completely floated and collected in a reservoir 20. The molten Al freed of the suspended impurities is introduced into a filtration chamber 4 through a lower communicating port 17, and the residual impurities are filtered off by a plate filter 2 made of an alumina-based porous ceramic. In this case, the filter 2 is always vibrated by a vibrator, hence the filter 2 is not clogged, and the molten Al is perfectly filtered.
Patent JP-H11175350-A (JP)
Title: Source program analysis device
Inventor: KAWASHIMA SATORU
IPC: G06F9/45
Filed: 1997-12-10
Abstract: PROBLEM TO BE SOLVED: To provide a means for dynamically changing area management inside an analysis program corresponding to an inputted source program. SOLUTION: This source program analysis device of a computer is provided with a source program information preparation means 10 for preparing information required for the analysis of the source program, a source program information analysis means 11 for analyzing the source program based on the information prepared by the source program information preparation means 10 and an area management optimization means 12 for predicting a work area size required for the analysis at the time starting the analysis execution of the means by the source program information analysis means 11 and optimizing the area management based on a predicted result.
Patent JP-2001154150-A (JP)
Title: Polarized light source device
Inventor: KONUKI HIDEO
IPC: G02B27/28
Filed: 1999-11-30
Abstract: PROBLEM TO BE SOLVED: To provide a polarized light source device that can highly efficiently extract linear polarized light having high degree of polarization, can prepare linear linear polarization with a large irradiation area at a low cost, and is liule in wavelength dependency. SOLUTION: This polarized light source device is provided with a light source 14 equipped with a light source 14 equipped with a light source lamp 10 an a first reflecting mirror 12 for reflecting lights from the light source lamp, and for uni-directionally introducing the lights, a polarized light separator 16 for separating lights 34 from the light source to the two kinds of linear polarized lights whose plane of polarization is orthogonally crossing each other, a second reflecting mirror 18 for returning lights 40 transmitted through the polarized light separator to the polarized light separator again, and a polarization canceling device 20 having a polarization canceling action arranged an optical path between the light source and the polarized light separator.  Also, this polarized light source device is provided with a third reflecting mirror 22 for returning lights reflected after being made incident to the polarized separator by the second reflecting mirror to the polarized light separator again. The polarized light separator is constituted as parallel plane boards arranged so that the incident angle of lights from the light source can be set as a Brewster angle. Also, the polarization canceling device is provided with a wedge type polarization canceling plate (depolarizer).
Patent JP-H11170150-A (JP)
Title: Method of polishign glass substrate
Inventor: KIDA MIKIO
IPC: B24B7/24
Filed: 1997-12-10
Abstract: PROBLEM TO BE SOLVED: To provide a method of polishing a glass substrate which can simply and economically cope with any of different widths of glass substrates by changing the shape of a polished surface of a polishing member without changing the revolving diameter and the inter-shaft distance, and which can produce a glass substrate having an excellent finishing quality. SOLUTION: In a method of polishing a glass substrate, in which a plurality of grinding machines 2 are eccentricity fixed to rotary shafts 1 that are revolved while being rotated by a planetary rotating mechanism so that the grinding machines 2 polish a glass substrate while they pass revolving centers, when a glass substrate having a width which is smaller than a width optimum for the rotating diameter and the revolving diameter is polished, a polishing surface width D in an orthogonal direction of a maximum eccentric direction of the grinding machines 2, is polished by a grinding member 3 having an elliptic flat circular shape reduced from a true circle D, and during this process,  the relationship between a polishing surface with d in a minor diameter direction of the elliptic flattened circle shape and the width of the glass substrate is set so that the narrower the width of the glass substrate, the more the polishing surface width d in the minor diameter direction is decreased.
Patent JP-H10166149-A (JP)
Title: Welding gun equipped with rebound preventing device
Inventor: KURT LIEVICH
IPC: B23K9/20
Filed: 1997-12-10
Abstract: PROBLEM TO BE SOLVED: To provide a receptacle which enables parts to take a prescribed position surely and also reliably in a receiving chamber. SOLUTION: The receptacle is provided with a receiving body 1, in which a receiving chamber 2 is formed for accepting parts 15. A feed duct 3 for feeding the parts 15 to the receiving chamber 2 is formed in communication with the chamber 2. The chamber 2 is connected to a transporting duct, which extends nearly vertically to the feed duct 3. The receptacle is also provided with two block members 6, 7 which are arranged in the manner of opposing each other with the feed duct 3 in between inside a slot-shaped orifice 8, 9, allowing the passage of the parts 15 from the feed duct 3 to the receiving chamber 2, and preventing the passage in the opposite direction.
Patent JP-H08176055-A (JP)
Title: Production oxo compound
Inventor: ISOBE SHINICHIRO
IPC: C07C51/373
Filed: 1994-12-27
Abstract: PURPOSE: To obtain an oxo compound in high selectivity and in high yield without requiring an expensive catalyst and specific facilities by treating a secondary OH-containing compound with a hypochlorite in water under acidic conditions to selectively oxidize the secondary OH. CONSTITUTION: (A) A secondary OH-containing compound such as a compound of the formula [R<1> and R<2> are each a primary OH, a tertiary OH, nitro, carboxyl, a 1-20C alkoxy, a 3-8C cycloalkyl, a (halogen-substituted) l-20C alkyl or R<1> and R<2> are bonded to form a monocyclic or polycyclic hydrocarbon ring or heterocyclic ring] is treated with (B) a hypochlorite such as sodium hypochlorite in water under acidic conditions (e.g. pH1.5 to pH3.0) and the secondary OH is selectively oxidized to give the objective corresponding oxo compound.
Patent JP-H05175720-A (JP)
Title: Plane antenna
Inventor: TSUKAMOTO KATSUYA
IPC: H01Q15/24
Filed: 1991-12-24
Abstract: PURPOSE:To secure the cross polarized wave characteristic over a broad band with a high efficiency. CONSTITUTION:A radiation circuit board 3 is a board made of a metal such as aluminum whose thickness is 0.4mm, a radiation element is formed by employing three slots 5 whose long side is 13mm and whose short size is 2mm arranged side by side, and the radiation elements of 16 rows and 16 columns are punched from the board at an interval of 20mm. A feeding circuit board 2 is made up of a flexible board being a copper foil-laminated polyester board, and a feeding probe 2a corresponding to each radiation element of a radiation circuit board 3 and a crank shaped feeding circuit interconnecting the feeding probes 2a are etched on the board 2. A ground conductor plate arranged under the feeding circuit board at a prescribed interval is made of a metallic plate such as an aluminum on market whose thickness is 2mm.
Patent JP-H04205694-A (JP)
Title: Electronic device provided with information storage device
Inventor: NIIMURA TAKASHI
IPC: G06K19/07
Filed: 1990-11-30
Abstract: PURPOSE:To write information from an external part in an information storage device without an initialization process after manufacture by reading initialization information in a control program memory by means of an instruction from a host device and automatically initializing the information storage device in accordance with initialization information. CONSTITUTION:An IC card 10 includes a controller 14 having the memory 12 in which a control program is stored and the controller 14 is connected to the memory 16 of RAM and the like as the information storage device where reading and writing can be executed. The control program memory 12 consists of a control program storage area 12a and a sector information storage area 12b as initialization information. Initialization information is read in accordance with an external instruction and the memory 16 is initialized. Thus, information can be stored and read in the information storage device without the initialization processing of the information storage device after the manufacture of the electronic device of the IC card 10 and the like.
Patent JP-H09173399-A (JP)
Title: Air massaging machine
Inventor: HOSHINO SHOJI
IPC: A61H7/00
Filed: 1995-12-27
Abstract: PROBLEM TO BE SOLVED: To obtain the feeling of manual kneading like picking up and kneading the shoulders. SOLUTION: This machine is provided with a band-shaped body 22 to be mounted from the shoulder of body across the breast, a pair of treatment element 25a and 26a provided on the band-shaped body 22 so as to get mutually close/separate while being arranged at the positions to knead the shoulder, and an air bag 24 provided inside the band-shaped body 22 so as to be shrunk/ expanded. By the shrinkage/expansion of air bag 24, a pair of treatment elements 25a and 26a get close/separate to knead the shoulder.
Patent JP-H08180717-A (JP)
Title: Clean room lighting system
Inventor: OSAWA TAKAO
IPC: F21V17/00
Filed: 1994-12-26
Abstract: PURPOSE: To provide a clean room lighting system at a low cost by forming a reflection plate in a gutter shape whose over-part, is left open, forming a system ceiling frame in an inverted gutter shape whose under-part is left open, coupling the two, and omitting components corresponding to the body of a luminaire. CONSTITUTION: A reflection plate 10 is formed in a gutter shape whose over-part is left open, and a lighting circuit component 12 is secured to the inside of the plate 10, and a pair of lamp sockets 20 are fixed to the lower end parts of the plate 10, and then a fluorescent lamp 30 is fitted in the lamp sockets 20. The frame 50 of a clean room ceiling surface is formed in an inverted gutter shape whose under-part is left open, and a supporting boss 52 is furnished in each of the opposing positions of the two inner side faces 54 of this system ceiling frame 50. The two edges 14 of the reflection plate 10 are located in the positions which lie alongside the inner side faces 54 of the frame 50 and contact with the supporting bosses 52.  A supporting member 60 is installed overhead at the upper stage 54 of each supporting boss 52, and a coupling tool 62 is furnished to couple the supporting members 60 with the reflection plate 10.
Patent JP-2000161888-A (JP)
Title: Heat exchanger
Inventor: SAKANO AKIRA
IPC: F28D1/053
Filed: 1998-12-01
Abstract: PROBLEM TO BE SOLVED: To obtain a heat exchanger having heat exchanging tubes and inner fins in which the inner fins and the inner surface of the heat exchanging tube can be held surely in brazed state by providing a part to be engaged with the inner fins on the inner surface of the heat exchanging tube. SOLUTION: A multi-flow type heat exchanger 1 comprises a plurality of heat exchanging tubes 4 extending between a pair of headers 2, 3, and corrugate fins 5 arranged between respective heat exchanging tubes 4 and on the upper and lower sides of the upper and lower heat exchanging tubes 4 wherein each heat exchanging tube 4 is constructed by inserting inner fins 32 into a tube 31. The tube 31 is provided with a plurality of protrusions 34 extending in the longitudinal direction and each protrusion 34 is engaged with the corresponding ridge or groove of the inner fin 32. According to the structure, the inner fin 32 can be held accurately at a specified position and can be brazed surely thereat.
Patent JP-H05178573-A (JP)
Title: Handrail for passenger conveyor and manufacture thereof
Inventor: MORI JIYUNICHIROU
IPC: B66B23/24
Filed: 1991-12-24
Abstract: PURPOSE:To improve the decorative properties of a hand rail by forming a decorative rubber layer in a state that a plurality of different color rubber simple substances are joined together in the direction of length and approximately in a vertical direction, in a substance wherein a decorative layer is formed on the outer periphery of a core formed approximately in a C-shape in cross section. CONSTITUTION:A hand rail 10 for a passenger conveyor has a core 12 formed approximately in a C-shape in cross section such that end parts 11a on both sides of belt-like canvasses 11 laminated together through adhesive are bent. The core 12 has durability which is improved by means of a plurality of tension members 13 formed of a steel wire and nipped between the canvasses 11. A decorative layer 14 is laminated on the outer periphery of the core 12. In the so formed hand rail 10, the decorative rubber layer 14 is formed such that different color rubbers (first and second belt-like rubber materials 22 and 23) are joined together at an irregular jointing line 26 in a state that seams are blurred with each other. The jointing is formed in a way that a rubber material at the jointing end part of different color unvulcanized is decrease/increased or cut in a folded line-form manner.
Patent JP-H05174256-A (JP)
Title: Sound alarm device
Inventor: HARUYAMA HITOSHI
IPC: G08B3/10
Filed: 1991-12-25
Abstract: PURPOSE:To generate a clear abnormality alarm regardless of surrounding noise by providing a comparison amplification circuit comparing audible band sound data with a preliminarily set set value and amplifying the sound. CONSTITUTION:A microphone 2 collects sound inputted from the surroundings as analog data. A band filter 4 takes out only the audible band sound from among the sound volume collected by the microphone 2. An A/D converter 5 converts the analog data of the audible band sound which passed through the band filter 4 into digital data. A comparison amplification circuit 3 compares a digital signal inputted from the A/D converter 5 with the preliminarily set set value and perform amplification A speaker 1. adjusts the volume of output sound by means of an output signal from the comparison amplification circuit 3 and outputs the contents of an alarm. Thus, the sound volume of the alarm output can be variably changed corresponding to the sound volume of external noise and the sound volume preliminarily set can be ensured.
Patent JP-2000318218-A (JP)
Title: Color printer using vertically arranged head, printing method, recording medium, and print head
Inventor: OTSUKI KOICHI
IPC: B41J2/51
Filed: 1999-12-01
Abstract: PROBLEM TO BE SOLVED: To improve image quality by controlling a relationship of a generating position of an accumulated error in a transporting quantity in a sub-scanning direction with respect to a dot of different ink. SOLUTION: An actuator 40 of a print head comprises a color nozzle array and a black nozzle array which are arranged in parallel in a sub-scanning direction. The color nozzle array has three nozzle groups. Each interval between the nozzle groups is two times of a nozzle pitch (k). An interval in each nozzle groups with respect to the nozzles used in each nozzle group is selected to be M ('M' is an integer number not less than 2) times of (k), i.e., a value of M×(k). The integer number M is preferably set to be a value except a value of (N×n+1) ('n' is an integer number not less than 1).
Patent JP-H10180602-A (JP)
Title: Double grinding device for disklike sheet workpiece
Inventor: ISHII TOSHIO
IPC: B24B7/17
Filed: 1996-12-20
Abstract: PROBLEM TO BE SOLVED: To provide a small-sized device for grinding both surfaces of a disklike sheet workpiece simultaneously with ease. SOLUTION: A double grinding device comprises a pair of grinding wheels 12 and 13, and a workpiece rotating device which supports and rotates a workpiece W at its grinding position where the machined surfaces on both sides of the workpiece W are opposed to the circular grinding surfaces of the grinding wheels 12 and 13 and part of the circumference of the workpiece W and the center C thereof are situated inside the circumferences of the grinding surfaces.  The workpiece rotating device comprises guide rollers 17 and 18 of numbers at least three adapted to rotate upon the contact with the circumference of the workpiece W situated outside the grinding wheels 12 and 13, a pair of driving belts 15 and 16 adapted to contact with the machined surfaces of the workpiece W at two positions situated outside the grinding wheels 12 and 13 to feed or rotate it, and pressure rollers 19 and 20 for pressing the driving belts 15 and 16 onto the machined surfaces of the workpiece W from the sides of the driving belts 15 and 16 not contacting with the workpiece W such that the driving belts 15 and 16 hold the workpiece W therebetween.
Patent JP-2000148944-A (JP)
Title: Ic card
Inventor: WAKAMATSU MASAKI
IPC: G06K19/07
Filed: 1998-11-16
Abstract: PROBLEM TO BE SOLVED: To deal with an application program described in plural languages and to recognize a correspondent language from the outside. SOLUTION: In an IC card 10 having a CPU 11, a ROM 13, an EEPROM 14 and a RAM 15, plural interpreter programs are stored in the ROM 13, and an optical program can be made to be loaded from an external device 20 in the EEPROM 14. When a loaded application program is carried out, an interpreter program corresponding to the description language of the program is selected in the ROM 13 and is carried out. When a response signal (ATR sign) is returned to a reset signal from the device 20, information showing the correspondent language of a built-in interpreter is included in the response signal and the correspondent language is imparted to the device 20.
Patent JP-2001160721-A (JP)
Title: Power amplifier circuit
Inventor: NORO MASAO
IPC: H03F3/30
Filed: 1999-12-01
Abstract: PROBLEM TO BE SOLVED: To provide the power amplifier circuit of high bias stability and high linearity capable of low voltage drive. SOLUTION: This circuit is provided with a differential amplifier circuit 10 for amplifying + side input signals, - side input signals and differential voltage signals, an amplifier circuit 12 for amplifying the output signals of the differential amplifier circuit, an output circuit 16 composed of complementarily connected first PMOS transistor and first NMOS transistor and formed by connecting the connection point of the PMOS transistor and the NMOS transistor to a load and a current boosting circuit 14 for supplying a current for which the output signal current of the amplifier circuit is multiplied to a prescribed multiplying power through the output circuit to the load.
Patent JP-H05171049-A (JP)
Title: Biodegradable molded product
Inventor: ANDO SADAMASA
IPC: C08J5/00
Filed: 1991-12-25
Abstract: PURPOSE:To obtain a molding degradable by bacteria and micoorganisms in soil, excellent in workability and moldability, and controllable in shrinkage and deformation, by pressure molding a protein mixed with a binder. CONSTITUTION:A protein having a moisture content of at most 10% or a protein-contg. material is mixed with a binder and then pressure-molded to form a biodegradable molded product. Examples of the binder to be used include plasticizers, emulsifiers, fats and oils, stabilizers, and mixtures thereof. Usable plasticizers include glycerin, polyglycerin, and ethylene glycol. Usable emulsifiers include monoglycerides, sugar esters, and propylene glycol. Usable fats and oils include vegetable fats and oils, animal fats and oils, and mixtures thereof. Usable stabilizers include starch, dextrin, and carrageenan. Usable proteins include soybean protein, albumen, gluten and milk serum protein.