baber/WOPTO huggingface dataset:
Patent JP-2001188204-A (JP)
Title: Soft ocular lens
Inventor: SAKURAI JUNKO
IPC: C08F220/18
Filed: 1999-12-28
Abstract: PROBLEM TO BE SOLVED: To provide a soft ocular lens which is small in the surface tacky adhesiveness of the soft acrylic material itself and commonly has pliability and shape restorability adequate as the ocular lens. SOLUTION: This soft ocular lens consists of a copolymer containing the trimer acid ester of higher unsaturated fatty acid or the dimer acid ester and trimer acid ester of the higher unsaturated fatty acid as constitution components.
Patent JP-2001179214-A (JP)
Title: Method for treating petroleum combustion ash
Inventor: NOZAKI KENJI
IPC: C22B26/00
Filed: 1999-12-28
Abstract: PROBLEM TO BE SOLVED: To provide a treatment method by which it is possible to economically separate and recover gypsum and magnesium in a process to treat petroleum combustion ash. SOLUTION: This treatment method for petroleum combustion ash comprises treating the magnesium dissolved in an ammonia leaching filtrate of the petroleum combustion ash or its treated material. Gypsum is precipitated into the ammonia leaching filtrate with alkalinity of less than pH 12 obtained by adding a calcium compound. Then the pH value of this solution is adjusted to 12 or more and magnesium hydroxide is precipitated to separate the magnesium.
Patent JP-2001184645-A (JP)
Title: Multi-valued information recording/reproducing device
Inventor: OTSUKA MASAYA
IPC: G11B7/135
Filed: 1999-12-28
Abstract: PROBLEM TO BE SOLVED: To provide a multi-valued information recording/reproducing device capable of recording a multi-value without using many near-field probes by dissolving the subject that a recording mark is not microminiaturized because of an optical diffraction limit. SOLUTION: In the information recording/reproducing device which records/ reproduces information onto/from an optical recording medium 19 using the optical probe 18 emitting near-field light, a means for recording multi-valued information onto the optical recording medium 19 by changing in a multi-stage the width dimension of the recording mark of the optical recording medium 18 in the direction orthogonal to the scanning direction in which the optical recording medium 19 is scanned by light from the optical probe 18 is provided.
Patent JP-2000196959-A (JP)
Title: X-ray video device
Inventor: SHIMIZU TATSUYA
IPC: H04N5/325
Filed: 1998-12-28
Abstract: PROBLEM TO BE SOLVED: To perform DSA while the question about the exposure of an object to X rays is reduced. SOLUTION: An X-ray video device makes pulse-like X rays generated from an X-ray vessel 11 to be transmitted through an object 20 and makes the optical image of the transmitted X rays to be outputted from an image intensifier 13. Then the video device sends the outputted optical image to a picture monitor 18 for radioscopy and, at the same time, makes the intensifier 13 output an out-of-focus picture by switching the electrode voltage by means of an X-ray controller 19 at the ending time of the radioscopy. Then the video device fetches the out-of-focus image to an image processor 17 as a mask image and, when the device obtains a live image in accordance with the photographing condition by injecting a contrast medium into the object 20 thereafter, causes the picture processor 17 to perform subtraction on the mask image.
Patent JP-2001189217-A (JP)
Title: Tank for electric apparatus and manufacturing method therefor
Inventor: TAKASE KEIICHI
IPC: H01F41/00
Filed: 1999-12-28
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method of a tank for an electric apparatus, where frames of the tank for the electric apparatus which use corrugated plates can be easily assembled. SOLUTION: A frame 1, where a beam 101, a pair of stays 102, 102 and a pair of arms 103, 103 are collectively installed and a frame 2 constituted in the same manner as in the frame 1 are set upright. A bottom plate 3 is arranged between the respective beams 101, 210 and welded to the beams 101, 201. After that, girders 401, 402 arranged on an upper frame 4 are inserted between a pair of the arms of the frame 1 and between a pair of the arms of the frame 2, and a flange plate 406 of the upper frame 4 is mounted on the arms of the frames 1 and 2. A frame 5 is constituted, by welding both ends of the girders 401 and 402 to the arms of the frames 1 and 2. A corrugated plate 6 or 9 are welded to the frame 5, and a tank is completed.
Patent JP-2000198319-A (JP)
Title: Automobile pneumatic tire and manufacture thereof
Inventor: IIDA HIDEKAZU
IPC: B29D30/08
Filed: 1998-12-28
Abstract: PROBLEM TO BE SOLVED: To mitigate setting conditions for reduction of rolling resistance and improvement of steering stability by making a tread part into a two-layer structure of a cap tread layer and under-tread layer. SOLUTION: An under tread layer 4b is composed of a center area in a range of 30 to 70% of a width of a belt layer 5a and 0.5 to 2.0 mm from the belt layer 5b in a tire diametral direction, and a shoulder area continuing from the center area and in a range extended outside from both ends of the belt layer 5a at a maximum 30 mm on one side and width of 1.0 to 5.0 mm, made of mutually different rubber compositions. A rubber layer 4b1 with a JIS-A hardness in a range of 65 to 80 degrees and a mixed amount of softening agent ten parts by weight or more lesser than a cap tread layer 4a is arranged in the center area. A rubber layer 4b2 with a JIS-A hardness in a range of 50 to 70 degrees and a mixed amount of softening agent ten parts by weight or more lesser than the cap tread layer 4a is arranged in the shoulder area.  A ratio of a loss tangent of the rubber layer 4b2 of the shoulder area to a loss tangent of the rubber layer 4b1 is two thirds or less.
Patent JP-2000184197-A (JP)
Title: Image processor
Inventor: SAITO NORIO
IPC: H04N1/405
Filed: 1998-12-14
Abstract: PROBLEM TO BE SOLVED: To enable high speed conversion by permitting plural one-row patterns generated by continuing respective rows in plural horizontal directions in a dither pattern having a fixed number of pixels in row and column directions to continue in a longitudinal direction by means of a number corresponding to the number of the rows of the pixels in the dither pattern and, then, executing a dither processing through the use of the list of plural kinds of generated rectangular pattern. SOLUTION: When an image is converted into VRAM data by using the dither pattern, the respective rows of the dither pattern are continued so that the rectangular dither pattern is generated by a dither generating module 7. Besides, the list of the dither pattern is generated by continuing the patterns for the portion of the height of the dither and stored in a cache memory 6. The dither processing is executed not at every one pixel but by rectangular dither pattern unit corresponding to a color level from the list. Thus, the image conversion is executed at high speed in the case the dither processing is executed against each color pixel.
Patent JP-2000217341-A (JP)
Title: Low noise step-down switching regulator circuit having programmable slew rate limiter and usage thereof
Inventor: SCHENKEL JEFFREY
IPC: H02M3/156
Filed: 1999-12-28
Abstract: PROBLEM TO BE SOLVED: To provide a low noise back switching regulator for low noise and high efficiency by forming an additional circuit limiting a negative voltage slew rate and positive and negative power supply through rates. SOLUTION: A regulator includes VIN, a negative voltage slew rate limiting circuit 44 connected in a space to the base of a transistor 16, and a negative current slew rate limiting circuit 46 connected to the VIN and the nodes VSW and VD of a current sense inductor 48. While a switch is being turned off, the circuit 44 provides the transistor 16 with base driving to control negative voltage slew rate. While the switch is being turned on and off, the circuit 46, when base driving is removed from the transistor 16, limits positive and negative current slow rates respectively. It is thus possible to obtain a back switching regulator circuit whose voltage and current slew rates are limited.
Patent JP-2000176442-A (JP)
Title: Integrated clear water feed unit
Inventor: KAWAGUCHI MASAO
IPC: C02F1/28
Filed: 1998-12-18
Abstract: PROBLEM TO BE SOLVED: To provide the convenient and general-purpose integrated clear water feed unit capable of properly ensuring the residual chlorine concn. compatible to Japan water supply law and entire domestic water used every day and capable of contributing to health promotion by enjoying healthy and comfortable life. SOLUTION: The main city water treating cylinder A for removing the chlorine component in raw city water (a) by packing a filter material 6A at the cylindrical inside space 5A formed between a cylindrical outer body 1A and a cylindrical inner body 4A, the pipings 10 and 11A for feeding the raw city water to the main city water treating cylinder A, the by-pass pipings 11B and 13B connected to the raw city water feed piping and joining the raw city water (a) to the purified water (a1) treated at the main city water treating cylinder A, the control valves 12A and 12B for variablly controlling the flow rate of the raw city water fed to the main city water treating cylinder A and the by-pass piping and the discharge piping 14 for discharging the jointed water (b) of the purified water and the raw city water are provided.
Patent JP-H04213126-A (JP)
Title: Software test system
Inventor: KATAOKA KENJI
IPC: G06F15/00
Filed: 1990-12-07
Abstract: PURPOSE:To input test data in the same timing with an on-line time by taking out a message in a file, inputting it to a program to be tested in the case of the received message, and reading the next message after waiting the transmission by this program to be tested in the case of the transmitted message. CONSTITUTION:This on-line system is constituted of plural terminals 107-109 and a center system 118. This center system 118 stores the transmitted and received messages from the terminals 107-109 in a journal obtaining file 110. At the time of executing the test of a task processing program in the center, the center system 118 successively takes out this message from the file 110. The center system 118 inputs this message to a program 112 to be tested in the case of the received message, and reads out the next message after waiting the transmission by this program 112 to be tested in the case of the transmitted message.
Patent JP-H04215105-A (JP)
Title: Sequence program simulator
Inventor: FURUI YOSHIYUKI
IPC: G05B19/05
Filed: 1990-12-14
Abstract: PURPOSE:To simulate the sequence program of a programmable controller in the state adapted to actual operation without using this programmable controller and to quickly perform the debugging operation. CONSTITUTION:A sequence program execution block part 10 simulates the sequence program while transmitting and receiving signals between the sequence program and a sensor signal generating program, and a monitor editing block part 1 displays contents of this simulation, which are obtained through a two- port memory 40, on the screen of a CRT 8, and thus, the sequence program is simulated correspondingly to the actual operation and the debugging operation is quickly performed.
Patent JP-H05260892-A (JP)
Title: Packaging bag for retaining freshness of low-temperature damageable vegetable and fruit
IPC: B65D65/40
Filed: 1990-12-19
Abstract: PURPOSE:To obtain the subject packaging bag, composed of a film provided with openings having a total opening area ratio within a prescribed range based on the total film area and excellent in preservation stability for a long period. CONSTITUTION:This packaging bag is composed of a film such as a polyolefin provided with one or more openings having 0.2-1.0mm diameter thereof and 0.002-0.010% total opening area ratio based on the total area of the film.
Patent JP-H04220053-A (JP)
Title: Private branch exchange
Inventor: ISUMI SHINYA
IPC: H04M3/58
Filed: 1990-12-20
Abstract: PURPOSE:To announce a name of a transfer destination extension so that a called party from an external line does not lose local sense when the called party is transferred again to other extension because an extension being a transfer destination is busy or does not reply in the case of transfer of the called party to an extension continuously in the private branch exchange. CONSTITUTION:An attendant board 102 replies an external line receiving a call and the call is transferred continuously via a channel 106 not through the attendant board again to one or plural extension telephone sets upon the request of the called party, a transfer destination extension is stored in a storage section 108, and when the call of the set extension is started, the name of the transfer destination extension is informed to the called party through a message transmission section 109.
Patent JP-H04224513-A (JP)
Title: Carrier for sustained release agent and its production
Inventor: HAKAMAZUKA KOJI
IPC: A61K47/02
Filed: 1990-12-26
Abstract: PURPOSE:To provide the subject carrier to be embedded in a living body and enabling the selective delivery of a proper amount of medicine to the diseased part for a long period. CONSTITUTION:The objective carrier 10 for sustained release agent is composed of a sheath layer 13 made of a calcium phosphate ceramic material and placed outside of a cylindrical medicine-holding part 11 made of a porous ceramic material. The sheath part 13 is provided with a drug-releasing band-shaped path 12 connecting the medicine-holding part 11 and the sheath part 13. The releasing path 12 has spiral form around the medicine-holding part 11 at regular intervals. A medicine-releasing hole 14 having a diameter of <=0.3mm is formed at the outside end part of the medicine-releasing path 12. The medicine-releasing path 12 can be produced by placing an organic fiber having a form corresponding to the form of the path in a slurry ceramic raw material, drying the slurry and baking the product to eliminate the organic fiber. The medicine held in the medicine-holding part 11 is released from the carrier through the medicine- releasing path 12.
Patent JP-H04225602-A (JP)
Title: High frequency selecting device
Inventor: KITAHARA HIROSHI
IPC: H03J3/26
Filed: 1990-12-27
Abstract: PURPOSE:To realize a filter provided with a trap for frequency lower than the center frequency of a band to be selected in a high frequency selecting device for an UHF band, etc. CONSTITUTION:A first tuning circuit in which a tuning condenser 3 is connected to one end of a first inductive conductor 2 connected to an earth conductor 7 at the other end and a second tuning circuit in which the tuning condenser 5 is connected to one end of a second inductive conductor 4 connected to the earth conductor 7 at the other end are provided, and the above-mentioned first and second inductive conductors are arranged so that the above-mentioned earth-connected ends are opposite to each other by 180 degrees, and a first coupling conductor 1 connected to the earth conductor of the above-mentioned first inductive conductor at its one end and positioned at an intermediate position between the above-mentioned first and second inductive conductors and a second coupling conductor 6 connected to the earth conductor of the above- mentioned second inductive conductor and coupled to the above-mentioned second inductive conductor are provided, and the other ends of the above- mentioned first and second coupling conductors are made respectively the input end or the output end of the signal of the high frequency selecting device.
Patent JP-H07177100-A (JP)
Title: Modulation switching device
Inventor: KUMAGAI YUKIHIKO
IPC: H04L27/12
Filed: 1990-12-12
Abstract: PURPOSE:To prevent the degradation in characteristic of a QPSK signal due to leak by outputting fixed voltages from two changeover switches at the time of analog modulation output and outputting I and Q signals at the time of digital modulation output. CONSTITUTION:At the time of digital modulation, an analog modulation signal 1 is not inputted, and a carrier generating circuit 2 outputs an unmodulated carrier. Two changeover switches are connected to higher contacts, and the output of an adder 11 becomes a pi/4 shift QPSK modulation signal. At the time or analog modulation, two switches are switched to lower contacts and are connected to fixed voltages, and a multiplier 9 is turned on, and a multiplier 10 is turned off, and the output of the circuit 2 is outputted through the multiplier 9, the adder 11, and an amplifier 12. Then the signal 1 is inputted, and, for example, an FM modulation wave is outputted from the circuit 2. Thus, leak doesn't occur because any output changeover switches for high frequency are not provided, and the degradation in characteristic of the analog modulation signal is prevented.
Patent JP-H04215426-A (JP)
Title: Manufacture of semiconductor device
Inventor: HATTORI YASUO
IPC: H03H3/08
Filed: 1990-12-14
Abstract: PURPOSE:To cut down the number of manufacturing steps of a semiconductor device which has semiconductor epitaxial layers in the front of a semiconductor substrate and needs ohmic electrodes in the rear. CONSTITUTION:A thermal oxide SiO2 film 11 for substrate front electrode is deposited over the front of a semiconductor substrate 1 having a thin semiconductor epitaxial layer 2 in the front, and a normal pressure CVDSiO2 film used to be deposited as a substrate front passivation film by the conventional method is allowed to serve as this film 11. The number of manufacturing steps of a semiconductor device can be cut down. Further, it is unnecessary to use an apparatus to the normal pressure CVDSiO2 film.
Patent JP-H04229820-A (JP)
Title: Manufacture of composite material for spectacle frame
Inventor: JO YOSHINORI
IPC: C25D1/00
Filed: 1990-12-27
Abstract: PURPOSE:To secure a composite material that is excellent in quality by producing the composite material having a required characteristic as material for a high-grade spectacle frame in a simple manufacturing process, and making noble metals uniformly gildable in thickness even in spectacle frame parts and heteromorphic lines. CONSTITUTION:Noble metals are coated with an electric casting method on each outer surface of round lines, hetero-morphic lines after or before working of spectacle frame parts using Cu, Al, Fe, Ni alloys, Ti and Ti alloy, etc., as a core member.
Patent JP-H04231336-A (JP)
Title: Production of optical fiber preform
Inventor: SETO KATSUYUKI
IPC: G02B6/00
Filed: 1990-12-27
Abstract: PURPOSE:To obtain a optical fiber preform having a large number of aperture by repeating the procedure for several times of depositing glass fine particles on a quartz glass rod, immediately sintering the particles and stretching the rod to make a core and then forming a clad layer thereon. CONSTITUTION:Glass fine particles 4 are synthesized and deposited on a pure quartz glass rod 1 by injecting an oxyhydrogen flame on the surface of the glass rod from a burner 2 and simultaneously introducing a gaseous state of SiCl4 and GeCl4 with oxygen from an injection nozzle 3 to the side of the oxyhydrogen flame while the glass rod is rotated. Then the burner 2 is immediately traversed to sinter the glass to form a transparent glass layer 5. This procedure is repeated for several times to obtain a primary core preform having about 30mm outer diameter. The preform is stretched to about 10mm outer diameter, and then same processes of deposition/sintering and stretching are alternately repeated to produce a core of about 20mm outer diameter. Then only SiO2 is deposited with a plasma flame on the core to form a clad layer to obtain the fiber preform of about 30mm outer diameter.
Patent JP-H04230700-A (JP)
Title: Production of plasma protein component
Inventor: MATSUZAKA NAOMI
IPC: A61K38/37
Filed: 1990-12-28
Abstract: PURPOSE:To provide the title component virtually freed from such impurities as blood type antibody, hemoagglutinins, anti-human protein antibody, anti- human serum antibody and anti-human renal glomerular basement membrane antibody present in the original plasma protein component (AHLG). CONSTITUTION:The above-mentioned impurities are removed from an aqueous solution containing plasma protein component by treating this solution with fixed erythrocyte (erythrocyte obtained by treating that of human origin with glutaraldehyde).
Patent JP-H04232133-A (JP)
Title: Bedded seat motor-controlled method and device
Inventor: TAKIZAWA SEIKI
IPC: H02P29/00
Filed: 1990-12-28
Abstract: PURPOSE:To improve safety to a seated person and motors in using a seat as a bed and as it is with the drive control of the motors. CONSTITUTION:A seating detecting means 16 and an obstacle detecting means 18 are provided on a seat cushion 30 and a seatback 32, respectively, to detect the presence of a seated person and an obstacle during seatback back-inclination. When a central processing unit 14 detects and recognizes at least one of a seated person and an obstacle, signals from a switching means 12 are cut off to stop corresponding motors M1, M2 readily.
Patent JP-H04234184-A (JP)
Title: Semiconductor laser
Inventor: NIDOU MASAAKI
IPC: H01S5/343
Filed: 1990-12-28
Abstract: PURPOSE:To obtain a semiconductor laser high in high temperature operation characteristics and high speed. modulation characteristics by a method wherein an InzGa1-zAsuP1-u layer smaller than an InP substrate in lattice constant and larger than a quantum well layer in band gap is made to serve as a barrier layer of a multi-quantum well. CONSTITUTION:An N electrode 1, an N-type InP substrate 2, an N-type InP clad layer 3, an In0.56Ga0.44As0.644P0.356 barrier layer 4 of 10nm or so in thickness, and an In0.53Ga0.47As quantum well layer 5 of 7nm or so in thickness are alternately laminated to constitute a multi-quantum well active layer. A semiconductor laser is composed of the multi-quantum active layer concerned, a P-type InP clad layer 6, a P-type In0.53Ga0.47As cap layer 7, and a P electrode 8. Therefore, in the barrier layer 4, the energy level of a light hole band end is higher than that of a heavy hole band end due to tensile strain, and a light hole band end overlaps a heavy hole band end in the other layers.
Patent JP-H05322315-A (JP)
Title: Instrument for shortening time for heating gas-heated bath
Inventor: OONO FUMIE
IPC: F24H9/00
Filed: 1990-12-17
Abstract: PURPOSE:To shorten time for heating a gas-heated bath by a method wherein when the gas-heated bath is heated, hot water rising up from a water heating port and hot water warmed by a rotor rotated by air force are fed into a central part of a bath tub, and this feeding of hot water into the centeral part is helped by means of a roof-shaped plate attached slopingly. CONSTITUTION:A side plate is mounted on either side of a plate, between the side plates, two collecting plates 9, a pent roof and a roof-shaped plate are mounted, and an axial hole to hole a rotor is formed. The rotor has a plurality of curved vanes 10 mounted on its rotary shaft and also a disc on the righthand and the lefthand respectively. The rotor is mounted in the upward toward which heated water rises up. When a bath is heated, hot water rising up from a heating port and hot water warmed by the curved vanes 10 of the rotor which is rotated by air force are pushed by force to pass under the pent roof into a central part of a bath tub. Further, the hot water and air having passed through the rotor get together in a corner of the roof-shaped plate and then are sent forward.