baber/WOPTO huggingface dataset:
Patent JP-H0948611-A (JP)
Title: Production of fine powder of precipitated silicic acid having abrasiveness
Inventor: UCHIYAMA KENJI
IPC: B24B37/00
Filed: 1995-08-01
Abstract: PROBLEM TO BE SOLVED: To provide a new method of precipitated-silicic acid production that can produce precipitated silicic acid having high abrasiveness of >=2mg in abrasion loss of an aluminum plate even without addition of an electrolyte such as sodium chloride. SOLUTION: This production method produces precipitated silicic acid by feeding an aqueous alkali silicate solution and mineral acid or aqueous mineral acid solution in parallel, substantially continuously, into a reaction vessel. For the production, pH of the reactant solution is maintained within the range of 9-11, the feed rate of the alkali silicate solution is controlled so that the average increasing rate of SiO2 concentration in the reactant solution can be within the range of 40-80g/l.hr, and the SiO2 concentration of the resultant solution at the end of the reaction is brought within the range of 90-130g/l.
Patent JP-2001023205-A (JP)
Title: Damping structure for objective lens supporting device
Inventor: TERAJIMA KOKICHI
IPC: G11B7/09
Filed: 1999-07-09
Abstract: PROBLEM TO BE SOLVED: To provide a damping structure for an objective lens supporting device, capable of efficiently absorbing vibration energy regarding the pitching or yawing of a movable part having an objective lens, and stably irradiating an information recording surface of a recording medium with an optical beam spot. SOLUTION: In an objective lens supporting device for suspending and supporting a movable part having an objective lens 5 so as to allow its displacement on a support substrate 1b fixed on a support base side via plural elastic supporting members 3, in the vicinity including at least the contact D of the elastic supporting member 3 of the support substrate 1b, a damping member 10 is held between the support substrate side 1b and the support base side.
Patent JP-H0749424-A (JP)
Title: Coating removing device for optical fiber
Inventor: HAMADA SHINKO
IPC: B26D1/09
Filed: 1993-08-09
Abstract: PURPOSE:To provide a coating removing device for an optical fiber that is suitable for the terminal treatment at the time when optical fibers are connected to each other or when an optical fiber is connected to an optical equipment. CONSTITUTION:In a coating removing device for an optical fiber comprising a holder member 7 for holding the optical fiber 1 so as to be movable in the axial direction of the optical fiber, clamping members 2, 2 for firmly holding the coating at the end part of the optical fiber, heating members 4 incorporated inside the respective clamp members, a circuit 6 for maintaining the heating members at a set temperature, and a pair of coating cutting members 3, 3 provided to the respective clamp members; the device is constituted by adding an outside-temperature detecting member 12 and a control circuit 11 for automatically controlling the set temperature in accordance with the outside temperature.
Patent JP-S6353991-A (JP)
Inventor: ASAGA HIROYOSHI
IPC: H05K1/02
Filed: 1986-08-22
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H1133584-A (JP)
Title: Wastewater treatment apparatus
Inventor: TAKEMURA MINORU
IPC: C02F3/28
Filed: 1997-07-23
Abstract: PROBLEM TO BE SOLVED: To enable precise anaerobic treatment in which granular anaerobic bacteria are not broken in a methane fermentation tank even when wastewater has a high DO concentration. SOLUTION: The apparatus is provided with a pH adjustment tank 1 in which wastewater is introduced, having a DO stripping part 4 and a methane fermentation reactor 3 connected with the pH adjustment tank 1. Biogas introducing piping 7 for sending biogas in the methane fermentation reactor 3 to the DO stripping parts 4 is connected between the upper part of the reactor 3 and the stripping part 4. The piping 7 is connected with a nitrogen gas supply source 6.
Patent JP-2001027225-A (JP)
Title: Hydrodynamic pressure bearing made of resin, and spindle motor
Inventor: IWAKI TADAO
IPC: F16C33/20
Filed: 1999-07-12
Abstract: PROBLEM TO BE SOLVED: To prevent the damage during manufacture of a dynamic pressure generating groove formed simultaneously with the manufacture of bearing constituent members by resin molding in a hydrodynamic pressure bearing made of resin with a disc-like thrust bearing and a cylindrical radial bearing formed adjacently. SOLUTION: This hydrodynamic pressure bearing made of resin is composed of a flanged shaft member 1 having a resin flange part 3 and a resin shaft part 2 with its outer peripheral surface inclined at a specified angle, formed by applying resin to a metal core material 1a, and a sleeve member 4 having a resin sleeve part 4b with its inner peripheral surface inclined at the same angle as the specified angle of inclination by applying resin to the inner surface of a metal sleeve part 4a. An angle defined by the specified angle of inclination and a rotation axis is set to 5 deg.-75 deg., and the flanged shaft member 1 and the sleeve member 4 are manufactured by molding liquid crystal polymeric material.
Patent JP-H0728283-A (JP)
Title: Image forming device provided with intermediate tray
Inventor: MUNENAKA KATSUMI
IPC: G03G15/00
Filed: 1993-07-13
Abstract: PURPOSE:To shorten an image forming time at the time of forming a multi- image or a both side image on a few paper sheets. CONSTITUTION:A constitution is adopted so that when the multiimage or the both side image are formed on a few papers S1, S2, S3 and S4, the paper carried by a paper ejecting vertical pass part 35 and an intermediate tray horizontal pass part 44, after the formation of an image is completed on the first surface is fed to a direct paper feeding vertical pass part 23 through a bypass part 56, without being temporarily held on an intermediate tray. Thus, the image forming time of the second surface can be shortened and productivity is improved.
Patent JP-S5986155-A (JP)
Title: Manufacture of positive active substance for organic electrolyte battery
Inventor: MORIGAKI KENICHI
IPC: H01M4/583
Filed: 1982-11-10
Abstract: PURPOSE:To obtain carbon fluoride which shows good storing characteristic and flat discharge characteristic from the initial discharge by irradiating carbon fluoride with ultraviolet ray in the alkali alcohol solution in order to partly obtain fluorine. CONSTITUTION:Carbon fluoride is irradiated with the ultraviolet ray in the alkali alcohol solution in order to partly obtain fluorine. For example, carbon fluoride with content of fluorine of 62.5wt% and particle size of 45mu or less obtained from the raw material of petroleum coke is penetrated and suspended by a processing solution obtained by solving sodium hydrate of 1-equivalent into methanol ata the rate of 100g/l and is then irradiated with the ultraviolet ray for 1-5hr using a mercury lamp. After the washing and drying, the carbon fluoride is attached with acethylene black as the conductor material and stylenebutadiene rubber bonding material. The positive black mix pellet 5 thus obtained is used for configurating a flat type lithium battery.
Patent JP-H1143362-A (JP)
Title: Solidifiable mixture for granulating treatment
Inventor: NAKAMURA TOSHIHIKO
IPC: E02D3/00
Filed: 1997-07-23
Abstract: PROBLEM TO BE SOLVED: To obtain the subject mixture favorable in view of environment, having a moderate long-term mechanical strength for soft soil modification, and capable of redigging. SOLUTION: This solidifiable mixture comprises alumina cement, a water- absorbing high-molecular substance, quicklime and a cement-based solidifier, and also contains a quick setting promoter; wherein the water-absorbing high- molecular substance is at least one kind selected from natural polymers, synthetic polymers and mixtures thereof, and the cement-based solidifier is cement or its mixture with blast-furnace slag and/or gypsum.
Patent JP-H0247973-A (JP)
Title: Picture forming device
Inventor: HIROOKA KAZUHIKO
IPC: H04N1/405
Filed: 1988-08-09
Abstract: PURPOSE:To obtain a reproduced picture with high quality without deteriorated resolution by applying pulse width modulation to a picture signal with plural modulation means based on plural pattern signals and selecting a modulation signal based on its density gradient and the period of the pattern signal. CONSTITUTION:A clock CLK 117 with a period four times the period of a clock VCLK 120 or over is given from a crystal oscillator 115 to a circuit 111 and an HSYNC signal 119, a VCLK 120 and an SCLK 118 synchronously with the BD signal 116 and the CLK 117 are outputted. The SLK 118 is given to the circuit 112, and pattern clocks CLK 123-125 synchronously with the SLK 118 are given to comparators 104-106. The signals 123-125 are compared with a video signal 121 and a binary-coded signal is given to a select circuit 107, and the result is selected according to a selection signal 122 from an identification circuit 113, and the selected modulation signal (PWM) is given to a laser driver 109 of a recording section 132 and the laser beam is modulated to form a copied picture.
Patent JP-H0753449-A (JP)
Title: Method for preventing polymerization of (meth)acrylic acid or (meth)acrylic acid ester
Inventor: HOSAKA HIROCHIKA
IPC: C07C51/50
Filed: 1993-08-09
Abstract: PURPOSE:To provide a method for preventing polymerization of (meth)acrylic acid or (meth)acrylic acid ester, excellent in preventing occurrence of a polymer in a device in producing (meth)acrylic acid or (meth)acrylic acid ester. CONSTITUTION:The characteristic of this method for preventing polymerization of (meth)acrylic acid or (meth)acrylic acid ester comprises using phenothiazine, hydroquinone and molecular oxygen in producing (meth)acrylic acid or (meth) acrylic acid ester. In producing (meth)acrylic acid or (meth)acrylic acid ester, occurrence of a polymer in a device can be prevented, long-term continuous operation can be carried out and improvement in recovery ratio of product is attained.
Patent JP-S6187416-A (JP)
Title: Monostable multivibrator circuit
Inventor: KAWASAKI TAKESHI
IPC: H03K5/06
Filed: 1984-09-20
Abstract: PURPOSE:To eliminate fluctuation of an output pulse width due to fluctuation of a power supply voltage or temperature by combining a delay circuit and a phase locked loop circuit comprising a phase comparator, an LPF, a VCO of ring oscillator constitution. CONSTITUTION:The phase locked loop circuit is operated to take synchronization between an output fVCO of the VCO3 and an input signal f0 to the phase comparator 1 while correcting an output VCNT of the LPF2. Thus, the fcvo and the f0 are kept equally at all times, then the delay per one stage of an inverter circuit of the ring oscillator forming the VCO3 is constant. On the other hand, the same inverter circuit as the base of the ring oscillator of the VCO3 is used for the delay circuit 4. Thus, the delay is corrected constant at all times by the VCNT. Then the fluctuation of the pulse width due to fluctuation of the power supply voltage or temperature is avoided.
Patent JP-S6174933-A (JP)
Title: Power transmission belt
Inventor: SENDA YOSHIZUMI
IPC: F16G5/16
Filed: 1984-09-20
Abstract: PURPOSE:To restrain the occurrence of damages such as scuffing or the like by providing a metallic block formed by sintered metal material, the base material of which is iron, and containing carbon fiber to be compound at least in the contact portion with a V-pulley. CONSTITUTION:A metallic block 16 is formed by sintering a sintering material composed of 1-10wt% of Ti, 5-20wt% of Cr and the residual part of steel materials. Further, 10 capacity % of carbon fiber is contained in side end portions 28 which are contact portions with V-pulleys 10, 11. Accordingly, when the side end portions 28 of the metallic block 16, that is, the contact portions with the V-pulleys 10, 11 start to wear away, interposed between the metallic block 16 and the V-pulleys 10, 11. Thus, the metallic block 16 and the V-pulleys 10, 11 are restrained from directly rubbing each other by action of the carbon fiber.
Patent JP-S6090013-A (JP)
Title: Filtering apparatus
Inventor: SATOU YUKIYASU
IPC: B01D29/62
Filed: 1983-10-24
Abstract: PURPOSE:To prevent the flowing through phenomenon of a filter material during washing by performing washing with good efficiency, in the filter apparatus of Fe-Ni slag equipment, by connecting a filter pipe to a backwashing line while pressing a filter material layer by a metal net. CONSTITUTION:Granulated slag and granulating water are charged into a filter tank 2 from a flow slag trough 1 and granulated slag is left on the upper surface of a filter layer 3 in a layered form while granulating water is filtered and passes a water drain pit 15 from the drain hole 11 of each filter pipe 4 while receiving filtering to be discharged to a drain line. The pipe is arranged so as to provide a drain gradient in order to facilitate discharge. After filtering work is finished, granulated slag on the upper surface of the filter layer 3 is discharged by a crane and a valve 16 is subsequently opened and seawater is sent to the filter pipe 4 under pressure from a backwashing line to wash the same. Washing is performed so that one set consisting of two filter pipes is backwashed six times successively from the end of the tank. During backwashing work, the filter material layer is pressed by a press layer such as a metal net.
Patent JP-H1042178-A (JP)
Title: Image pickup device, image processing unit and image pickup system
Inventor: SAKATA TSUGUHIDE
IPC: H01B11/20
Filed: 1996-07-26
Abstract: PROBLEM TO BE SOLVED: To reduce the number of cables connecting a video camera, a head set and a personal computer. SOLUTION: A video camera 50 and an extension board 51 mounted on a personal computer are connected by an integrated cable 52 via 8-pin DIN connectors 54, 55. The extension board 51 sends a synchronizing signal, a control signal and an audio signal from the other party to the video camera 50 and the video camera 50 sends a video signal, an audio signal of the user and a control signal to the extension board 51 based on the signals. Furthermore, a head set 53 mounted on the user of the video camera 50 is connected to the video camera 50 by a cable 56. The audio signal from the other party is fed to an earphone 53b through the cable 56 and the audio signal of the user from a microphone 53a is fed to the extension board 51 via the video camera 50 and the cable 52.
Patent JP-S5989384-A (JP)
Title: Heat absorbing liquid
Inventor: NAKAMURA TADAMITSU
IPC: C09K5/00
Filed: 1982-11-12
Abstract: PURPOSE:A heat absorbing liquid, containing a dispersion medium, e.g. ethylene glycol, and a dispersing agent, e.g. a condensate of an aromatic sulfonic acid with formalin, etc. and a heat absorbing material, e.g. carbon black, having improved heat absorbing property, and usable stably for a long term. CONSTITUTION:A heat absorbing liquid obtained by incorporating (A) preferably 93pts.wt. or more dispersion medium consisting of ethylene glycol, propylene glycol, glycerol, a mixture thereof or mixture thereof with water with (B) preferably 0.5-5pts.wt. dispersing agent consisting of a condensate (salt) of an aromatic sulfonic acid with formalin, preferably a condensate of an alkylnaphthalenesulfonic acid with formalin, and (C) preferably 0.01-2pts.wt. carbon black or a mixture thereof with a metallic oxide pigment, e.g. iron, chromium or cobalt oxide, etc. USE:Solar water heaters and solar collectors.
Patent JP-H0736304-A (JP)
Title: Pressure roller
Inventor: KANAI TERUO
IPC: G03G15/20
Filed: 1993-07-16
Abstract: PURPOSE:To prevent the wrinkling of paper even under high temperature and high humidity environments by subjecting the outer surface of the fluorine resin layer of a pressure roller in a fixing device having the fluorine resin applied onto the surface of an elastic body layer to corona discharge treatment. CONSTITUTION:In the pressure roller A of a fixing device having an elastic body layer 2 of silicone rubber or silicone sponge applied to the outer circumference of a metal core metal 1 and a fluorine resin tube layer 3 applied to its surface, the surface of the fluorine resin layer 3 is subjected to corona discharge treatment. In the pressure roller A according such a constitution, the frictional resistance of the pressure roller A surface is increased because the surface of the fluorine resin layer 3 covering the surface of the elastic body layer 2 applied to the outer circumference of the metal core metal 1 is subjected to corona discharge treatment, the paper slippage resulted from moisture evaporation in the fixing of a recording paper is difficult to cause, and the wrinkling of the paper can be reduced.
Patent JP-H0746529-A (JP)
Title: Digital video signal processor
Inventor: OKADA HIROSHI
IPC: H04N5/92
Filed: 1993-07-15
Abstract: PURPOSE:To process an input video signal for the unit of a frame without generating the omission of data and the exchange of vertical position relation when the input video signal contains the continuation of the same field. CONSTITUTION:A field discriminate signal nE/O from a synchronizing separator circuit 25 is correspondent to the field of the input video signal. A forced field signal nFE/O is inverted for each field without fail. A comparator 51 of a controller 28 detects logical level relation between the nE/O and the nFE/O and supplies the detected result to a logic circuit 52. When the two signals are at the same level, normal processing is performed and when these signals are at the different levels, the processing of shift up for one line or down for one line is performed. A control signal Ca is used for processing to shift the front side field down for one line by controlling 1H delay. A control signal Cb is used for processing to shift the rear side field up for one line by controlling vertical effective area enable.
Patent JP-S6089433-A (JP)
Title: Preparation of carcinostatic substance composite
Inventor: NISHIMAKI HIDEO
IPC: A61K39/395
Filed: 1983-10-21
Abstract: PURPOSE:To prepare the titled composite, by opening the aldohexopyranose ring of dextran, reacting the aldehyde group of the dextran with a carcinostatic substance, masking the unreacted aldehyde group, and bonding with the antibody against the surface antigen of cancer cell. CONSTITUTION:The dextran having opened aldohexopyranose ring (the formula) is added preferably in a phosphate buffer solution at a concentration of 10- 30W/V%. A carcinostatic substance (e.g. daunomycin) is added to the above solution at a concentration of 0.5-5W/V% to effect the bonding of the substance to the aldehyde group of the opened dextrin, and then 85-95% of the free aldehyde group in the dextran-carcinostatic substance composite is masked e.g. by reduction. The objective composite composed of 5-30mol of dextran and 20-70mol of the carcinostatic substance bonded to 1mol of the antibody can be produced by bonding the masked composite with an antibody. The polymerization of the composite can be prevented by masking, and the objective product having excellent stability and carcinostatic activity can be produced.
Patent JP-S5898613-A (JP)
Title: Oil lubricating system for internal-combustion engine
Inventor: HAYASHI AKIRA
IPC: F01M1/10
Filed: 1981-12-09
Abstract: PURPOSE:To prevent friction effectively through the supply of clean oil to a moving valve system, by providing the other side oil filter whose mesh is far finer than that of one side oil filter within a duct which lubricates the moving valve system, in a titled system provided with two filters. CONSTITUTION:No.2 duct 14 is ramified and connected with a duct 4 which is downstream No.1 oil filter 5, and No.2 oil filter 15 is provided within the duct 14. A mesh of a paper filter of the oil filter 15 is made finer by approximately 5Angstrom -10mu than the No.1 oil filter 5. Oil passed through the oil filter 15 is supplied to a cam shaft bracket 18, a cam shaft bearing 19 and a cam shaft 20 through an oil gallery 17 of a cylinder head, and then supplied to a rocker pivot 21 and a timing chain 22 and the like.
Patent JP-S6092093-A (JP)
Title: Laser working method
Inventor: KASHIWA KAZUO
IPC: B23K26/18
Filed: 1983-10-25
Abstract: PURPOSE:To improve working accuracy in fine cutting and grooving by disposing a dummy material having good absorbing efficiency of thermal energy to a substrate to be worked and irradiating laser light from the upper part of the dummy material. CONSTITUTION:A substrate 1 is subjected to surface grinding and the surface thereof is further subjected to specular finishing. A thin metallic layer 2 is provided on the surface of the substrate 1 to form a composite substrate 3 which is the substrate to be worked. A dummy plate 5 consisting of a metal or metallic oxide is laminated and adhered atop the substrate 3 so as to sandwich the layer 2. The substrate 3 laminated and adhered with the plate 5 is immersed into the water 7 in a water tank 6 and laser light 10 is irradiated to the prescribed position of the plate 5 from above. The part irradiated with the light 10 of the plate 5 is immediately melted. The melting spreads to the part where the plate 5 is removed, i.e., the layer 2 of the part irradiated with the light 10 as well as the substrate 1. Grooves 15, 15- are thus formed in the prescribed position of the substrate 3.
Patent JP-S5897943-A (JP)
Title: Transmitting circuit
Inventor: NAKAISHI HIROKAZU
IPC: H04L12/40
Filed: 1981-12-04
Abstract: PURPOSE:To perform two-way DC transmission regardless of a fault, by connecting a signal processing circuit which transmits a signal in specific order in parallel to a transmission circuit, inputting and outputting signals through an optical coupling element, and generating an output signal so as to execute transmission without a radio interference between circuits while a fault circuit is jumped. CONSTITUTION:Transmitting circuits connected in parallel to transmission lines 10-1 and 10-2 receive transmitted signals through a line receiver 82 and they are inputted through an optical coupling element 20. A signal processing circuit 30 processes the data signal of the input signal to generate a new signal to be transmitted by using the resulting signal of the processing and an address signal obtained by adding 1 to the address signal of the input signal, and then outputs the generated signal as an output signal 40. The output signal 40 and a control signal 50 are insulated through an optical coupling element 60 and a line driver 81 allows only a specific transmitting circuit having the coincident address to output the output signal 40 and an inverted output signal.
Patent JP-S6177336-A (JP)
Title: Manufacture of semiconductor device
Inventor: FUKANO SATORU
IPC: H01L21/76
Filed: 1984-09-21
Abstract: PURPOSE:To form a buried type element-isolating region formed out of an extremely narrow insulator partition wall by a method wherein a photo resist layer finished in exposure is developed so that the angle made between the end surface of the photo resist layer and the surface of the silicide layer may be 70 deg. or more and 90 deg. or less, and an insulator is deposited in an aperture formed by etching. CONSTITUTION:An insulator layer 2, a metallic silicide layer 3, and a photo resist layer 4 are formed on the semiconductor substrate 1, and the layer 4 is exposed to light by using a photo mask 6 and then developed so that the angle made between the end surface of the layer 4 and the surface of silicide layer 3 may be 70 deg. or more and 90 deg. or less. Using the etching mask of the developed photo resist layer 4, the silicide layer 3 is etched only in a narrow region lying along the end surface with the mixed gas of a chlorine series gas with oxygen gas. The insulator layer 2 is etched by being masked with this silicide layer 3, and the aperture 7 is formed by etching the upper layer of the substrate 1 by using the mask of the layers 3 and 2 each etched; then, the elements are isolated by insulator deposition.