baber/WOPTO huggingface dataset:
Patent JP-H02119625-A (JP)
Title: Control device of engine with supercharger
Inventor: SHIBATA MASANORI
IPC: F02D41/00
Filed: 1988-10-27
Abstract: PURPOSE:To increase supercharging efficiency and reliability by altering a switching- point according to the detection result of running environment in a control device in which first and second supercharging conditions can be switched-over to increase supercharging efficiency in low flow side and high flow side operating zones. CONSTITUTION:A control device is provided with a first turbosupercharger 1 for low flow zone and a second turbosupercharger 2 for exclusive high flow zone, and these turbosuperchargers are operated and controlled by a control unit 50. The control unit 50 comprizes a control means 51, a detector means 52, and a change-over means 53. The control means 51 controls the operating condition of the superchargers so that the first turbosupercharger only is operated in lower flow zone operating condition and both turbosuperchargers 1 and 2 are operated in higher flow zone operating condition relative to a specified switching-point. The detector means 52 detects the running environment of a vehicle. The change-over means 53 alters the said switching-point according to the detected value by the detected means 52. The control means 51 is provided to open and close an exhaust gas cut-off valve 5 and to control three-way electro-magnetic valves 32 and 43 so that a relief valve 24 can be opened and closed in a specified relation to the operation of the exhaust gas cut-off valve 5.
Patent JP-H04147677-A (JP)
Title: Dual gate-type insulated-gate field-effect transistor
Inventor: ISHII MASAKI
IPC: H03G3/10
Filed: 1990-10-11
Abstract: PURPOSE:To contrive to reduce the aggravation of strain, NF(noise figure), etc., by having MOS capacitor in the input electrode part of a first insulated- gate field-effect transistor. CONSTITUTION:A gate oxide film 3(50nm) is grown on a p-type semiconductor substrate 7 and an n-type diffusion layer such as source 6, island 5 and drain 4 is formed by an ion implantation technic so that the channel length of first and second MOSFETs is 2mum. Subsequently, the gate electrodes 1, 2 of the first and second MOSFETs are formed and a PSG film 8 is accumulated thereon. The gate electrode 1 covers a channel part and forms MOS capacitor between the source 6 and electrode itself and the overlap between the gate electrode 1 and source 6 is about 2mum. When the width of the gate electrodes 1, 2 is about 1500mum, the variation width of input capacitance in an automatic gain control(AGC) operation is about 0.7pF so that it is possible to reduce the variation of input capacitance almost by half as compared with a conventional apparatus.
Patent JP-2001091874-A (JP)
Title: Multi-beam scanning light source device
Inventor: TAKANASHI KENICHI
IPC: G02B26/10
Filed: 1999-09-27
Abstract: PROBLEM TO BE SOLVED: To provide a multi-beam scanning light source device capable of attaining the miniaturization of a layout, and also, capable of improving optical characteristics by suppressing the fluctuation of a beam pitch in a sub-scanning direction caused by the environmental fluctuation such as a temperature rise, etc., at a low cost and with a simple constitution. SOLUTION: The optical system is provided with plural light sources, a coupling lens system 3, a deflector 5 and a scanning optical system 6, and as to the optical system, a luminous flux passing through the coupling lens 3a and then advancing to the deflector 5 after being emitted from at least two light sources 1 and 2 among plural light sources is provided with an opening angle, semiconductor laser is used for each light source 1 and 2, besides, semiconductor laser chips 1a and 2a and stems 1b and 2b for holding the chips 1a and 2a are arranged in the same direction in a main scanning direction.
Patent JP-H04147631-A (JP)
Title: Manufacture of semiconductor device
Inventor: IKEDA KANICHIRO
IPC: H01L29/812
Filed: 1990-10-09
Abstract: PURPOSE:To form a fine gate pattern and T-type gate with good controllability by a method wherein a layer-to-layer insulated film is deposited and then a fine pattern is formed for a gate using negative photo resist and nextly the insulated film is etched and then a second pattern is formed with positive photo resist. CONSTITUTION:On an active layer 2 formed on a GaAs semi-insulated substrate 1, a source electrode 3 and drain electrode 4 are formed by a lift-off method. Then, an insulated film 5 such as S1N and S1O2 is deposited on the whole surface. Nextly, negative photo resist 6 is applied rotationally onto the insulated film 5 for EB. The photo resist 6 is exposed (9) and developed into a specified pattern by EB. Using the negative photo resist 6 patterned into the specified shape as a mask, the insulated film 5 is etched by RIE or other method. After that, second positive photo resist 7a is applied rotationally, being exposed and developed into a specified pattern. After a recess is formed, gate metal 8 is deposited by evaporation and the negative photo resist 6, positive photo resist 7a and unnecessary gate metal 8 are removed by a lift-off method.
Patent JP-2001097919-A (JP)
Title: Production of methacrylic acid ester
Inventor: KOBAYASHI AKIHIRO
IPC: C07B61/00
Filed: 1999-09-27
Abstract: PROBLEM TO BE SOLVED: To provide a process for the production of a methacrylic acid ester free from the trouble of the precipitation of crystalline materials even after the storage over a long period without generating waste water in high yield by a simple and short step. SOLUTION: The process for the production of the methacrylic acid ester comprises the transesterification reaction of an alcohol with methyl methacrylate using lithium hydroxide and/or a lithium alkoxide as a catalyst and the treatment of the reaction product with a bivalent phenol.
Patent JP-2000102067-A (JP)
Title: Communication system and slave set
Inventor: HAMADA TOMOICHI
IPC: H04W16/12
Filed: 1998-09-28
Abstract: PROBLEM TO BE SOLVED: To improve the frequency utilizing efficiency of operating frequency bands by dividing each of two frequency bands into carrier frequencies whose number is the same as a prescribed number of radio cells, assigning two carrier frequencies to each radio cell and operating a time division multiple access/time division duplex system with the respective frequencies. SOLUTION: Frequency bands are divided into two frequency bands being upper and lower frequencies with an equal band width, and let number of repetition of cell arrangement be, e.g. 7, then the upper/lower frequency bands are divided respectively into 7 carrier frequencies f1-f7 and f1'-f7' and two optional carrier frequencies are assigned as operating frequencies of each cell among the carrier frequencies in total of 14. One system of a transmitter-receiver is enough by allocating slots of each carrier so that the slot assigned to the two carriers is not in duplicate at the same time and the configuration of the slave set is simplified.
Patent JP-H03135872-A (JP)
Title: Control device of fluid circuit for vehicle
Inventor: KOZUKA HAJIME
IPC: B62D5/07
Filed: 1989-10-20
Abstract: PURPOSE:To improve the energy efficiency of a vehicle by providing a braking time pressure accumulation control device to operate forcibly a pressure accumulation control device in the condition to make a discharge fluid flow into an accumulator under the condition that the pump discharge pressure is lower than the maximum allowable pressure, when the brake of the vehicle is operated. CONSTITUTION:A fluid circulation circuit 4 to circulate to feed the operating oil to adequate fluid apparatuses 6, 7... side following the operation of an oil pump 3 which is driven by an engine 1 is provided, and an accumulator 9 is connected to the downstream side of the pump 3 of the circuit 4. And in a flow passage (a) between the pump 3 and a check valve 8, one end of a bypass passage 10 is linked, and its other end is linked to a suction side flow passage (b) of the pump 3. And a pressure accumulation control valve 11 to control the pressure accumulation condition of the accumulator 9 is provided on the bypass passage 10, and a braking time pressure accumulation control device 22 is provided to operate the pressure accumulation control valve 11 into the condition to make the discharge fluid flow into the accumulator 9 when the pump discharge pressure is under the maximum allowable pressure, in the braking operation time.
Patent JP-2001089673-A (JP)
Title: Polymer molded article and preparation thereof
Inventor: KAKIGI HIDEO
IPC: C23C18/20
Filed: 1999-09-27
Abstract: PROBLEM TO BE SOLVED: To provide a polymer molded article having the surface thereon arranged with metal elements. SOLUTION: Being aware that the mixing of a water soluble polymer with a metal salt in a solution results in the forming of a chelate, it is found out that the application of a magnetic field at the time of forming the solution into a film makes the metal salt arrange on the film surface with the metal being the topmost. For example, when a polyvinyl alcohol aqueous solution is mixed with KCL of a mole ratio of 20% or more and is formed in a magnetic field into a film, a polymer film, on which film surface only K is detected and C, O, CL, etc., are not found, that is, which films has the surface covered with only K is given.
Patent JP-S61153078-A (JP)
Title: High speed solenoid valve
Inventor: ICHIKI NOBUHIKO
IPC: F16K31/122
Filed: 1984-12-26
Abstract: PURPOSE:To increase a flow rate without damaging response, by a method wherein a high speed solenoid valve device is constituted by combining a logic valve part to a high speed solenoid valve part. CONSTITUTION:A logic valve input port 14 and a logic valve output port 15 are formed, and a poppet 16, which serves to open and close the logic valve input port 14 and the logic valve output port 15, is provided. A logic valve 5B, which has a brake chamber 17 being located within a poppet 16 and communicated through the logic valve input port 14 and a small through-hole 18, is combined with a high speed solenoid valve 5A through communication of a control chamber 17 with an solenoid valve input port 7 and communication of the logic valve output port 15 with an solenoid valve output port 8.
Patent JP-S62135437-A (JP)
Title: Method for cooling and dehydrating organic liquid and method therefor
Inventor: OTSUKA KENJI
IPC: C07C21/10
Filed: 1985-12-06
Abstract: PURPOSE:To remove a very small amount of water dissolved in an organic liquid efficiently, by cooling the organic liquid to a specific temperature to freeze dissolved water and to cause phase separation and heating and melting the frozen water with the whole or part of the organic liquid to discharge it out of a system. CONSTITUTION:An organic liquid, especially a halogenated hydrocarbon is cooled <=0 deg.C by a cooling tank 1 equipped with a freezing mechanism 5, water dissolved in the organic liquid is frozen, phase separation is carried out by the use of difference in specific gravity between the frozen water and the organic liquid and the frozen water with the whole or part of the frozen water is heated and melted 3. In the operation, the melted water is not readily redissolved in the organic liquid, only water can be discharged 8 out of the system by the use of difference in specific gravity between the water and the organic liquid. Consequently, by this method, dehydrating effect with long time stability is obtained in various organic liquid widely suitable for many uses such as detergent solvent, extraction solvent, reaction solvent, etc.
Patent JP-H07176110-A (JP)
Title: Front loading device
Inventor: OOKA SATOSHI
IPC: G11B15/675
Filed: 1993-11-01
Abstract: PURPOSE:To make structure simple and compact and to surely ground a holder while it is moved by freely movably inserting a pin member in the projection part for moving the holder and pressing and energizing it to a wall side by a pressing member. CONSTITUTION:This device is provided with a guide boss 13 being as the projection part freely slidably engaged with respective guide rails provided on both side walls of a main base. Besides, it is provided with a hole part 13a formed to pierce the center of the boss 13 in a shaft direction, a ground pin 14 freely movably inserted in the hole 13a and a leaf spring 15 pressing and energizing the pin 14 to the bottom surfaces of the respective guide rails. Therefore, the pin 14 is pressed and energized by the spring 15, made to put in the hole part at the center of the boss 13 and held. Thus, even while the cassette holder is moved, it is surely grounded.
Patent JP-S62132544-A (JP)
Title: Production of adsorbent
Inventor: HANEDA YASUHISA
IPC: B01D53/02
Filed: 1985-12-05
Abstract: PURPOSE:To obtain a uniform titled adsorbent having improved adsorption performance and strength by kneading cement powders with a powdery absorbent agent which is wetted suitably on the surface thereof followed by pouring it into an arbitrary forming mold, drying and solidifying it. CONSTITUTION:The titled adsorbent is formed by wetting suitably the surface of the powdery absorbent such as a synthetic zeolite, an active alumina and a silica gel, etc., and adding the cement powder followed by kneading, and by pouring the obtd. powdery adsorbent into the arbitrary forming mold followed by drying to solidify. To wet suitably the powdery adsorbent, said adsorbent is dipped in water, thereby centrifuging it to suitably wet the surface of the obtd. adsorbent. The compounding ratio of the cement powder to the powdery adsorbent agent is most preferably 10-30wt% the weight dry basis of the powdery adsorbent.
Patent JP-H02118684-A (JP)
Title: Process cartridge
Inventor: MURAKAMI KOHEI
IPC: G03G21/00
Filed: 1988-10-28
Abstract: PURPOSE:To prevent resonance between creaking sound produced when printing duty is low and a photosensitive body and to prevent occurrence of noise by applying a control means to the inner wall of the aluminum tube stock of the photosensitive body. CONSTITUTION:A cleaning part 1 consists of a cleaning blade 3 which removes waste toner 12 on the photosensitive body 2, a toner receiving film 5 which prevents leak of the scraped and discharged toner, a carrier 7 which carries the discharged toner to the inner part of a case 6 and a threshold plate 8 which prevents a of the discharge toner. A photosensitive film is applied to the aluminum tube stock of the photosensitive body 2, and the control material 9 is applied to the inner wall of the aluminum tube stock. Therefore, such faults are eliminated; a slight creaking sound occurs between the photosensitive body 2 and the cleaning blade 3; moreover, the sound resonates with the photosensitive body 2 and is amplified to make noise.
Patent JP-H05111470-A (JP)
Title: Bath tub electrocardiograph
Inventor: TANAKA TAKAHIDE
IPC: A61B5/04
Filed: 1991-10-22
Abstract: PURPOSE:To provide the bathtub electrocardiograph which is portable, has no danger of an electric shock and can make measurement of one person even if plural persons are in a bathtub. CONSTITUTION:A case body 11 is so constituted as to float in water. Different electrodes 12a, 12b and a indifferent electrode 12c are provided by being exposed to the outside in the lower part 11b of the case body. The upper part 11 a of the case body 11 is hermetically sealed by a gasket 14. A battery and a measuring electronic circuit part are housed therein. An electrocardiogram monitor display section 16 and a heart rate display section 17 are provided atop the case body.
Patent JP-H03138850-A (JP)
Title: Secondary ion mass spectrograph
Inventor: TOIDA HIROSHI
IPC: G01Q60/00
Filed: 1989-10-23
Abstract: PURPOSE:To prevent the introduction of secondary ions generated from a sample portion corresponding to the portion other than the center section of a primary ion beam into a mass analysis section by detecting the secondary ions passing an orifice arranged at the position where an image is formed, and displaying the image of the orifice based on its electric signal. CONSTITUTION:An orifice 10 is arranged at the position where a secondary ion image is formed, and the image of the orifice 10 is displayed on an image display device 20 by utilizing the secondary ions passing the orifice 10. When the ion image does not coincide with the position of the orifice 10, the contour of the orifice 12 on the displayed image of the orifice 10 is unclear, when the ion image coincides with the position of the orifice 10, the contour of the orifice 10 on the displayed image of the orifice 10 is clear. The coincidence state of the ion image with the position of the orifice 10 can be confirmed. The introduction of secondary ions generated at the sample 5 portion corresponding to the portion other than the center section of the primary ion beam into a mass analysis section 17 can be prevented.
Patent JP-H06133600-A (JP)
Title: Retarder controller
Inventor: SUZUKI HAJIME
IPC: F16D65/28
Filed: 1992-10-13
Abstract: PURPOSE:To effectively utilize an exciter which becomes the driving power source of a retarder. CONSTITUTION:In a retarder device provided with an electromagnetic retarder which obtains a braking force by generating an eddy current and an exciter 11 which supplies electric power to the retarder through a switching means, a transistor 6 is used for the switching means and, at the same time, an excitation control circuit 13 which changes the output voltage of the exciter 11 depending upon the state of a brake, whether or not the brake is used, and brake controller 14 which turns off the transistor 6 when the brake is not used or turns on the transistor 6 when the brake is used and sends a control signal to the circuit 13 so as to change the output voltage of the exciter 11 depending upon the state of the brake are provided so that the output of the exciter 11 can charge a battery 1 when the brake is not used.
Patent JP-H08133124-A (JP)
Title: Front body structure of vehicle body
Inventor: TAKEISHI SATORU
IPC: B62D25/08
Filed: 1994-11-08
Abstract: PURPOSE: To improve the energy absorption performance of side frames by forming weak rigidity portions that transmit, when a longitudinal outer force is applied to the side frames, this effect weakeningly to upper members, at a front damper housing hung around on the side frames and the upper members. CONSTITUTION: A front body consists of a pair of side frames 3 provided extendingly in a vehicle body longitudinal direction; a pair of upper members 4 provided extendingly likewise; and a front damper housing 10 hung around on the side frames 3 and the upper members 4. In this instance, as for connection members to connect the side frames 3 and the upper members 4 mutually, portions that are not connected to the side frames 3 are made to be closed sections, and portions that are connected are made to be non-closed sections by conducting cutouts. That is, as for the connection members, weak rigidity portions 38, 38 are provided in the side frame 3 coupling porting vicinity. As for these weak rigidity portions 38, 38, the rigidity of a vehicle body longitudinal direction is weakened by cutting out parts of the leg portions 35, 35 of reinforcement materials 31, 31.
Patent JP-H11109150-A (JP)
Title: Array waveguide grating element
Inventor: KAMITOKU MASAKI
IPC: G02B6/12
Filed: 1997-10-07
Abstract: PROBLEM TO BE SOLVED: To provide an array waveguide grating element independent of polarization in an extensive wavelength range by setting the difference in the polarization dependency of the equivalent refractive index of a slab waveguide by the specified formula. SOLUTION: An array waveguide grating element comprises an array waveguide circuit having a first slab waveguide to which one or more input waveguides are connected, and a second slab waveguide to which one or more output waveguides are connected on each end of an array waveguide. In order to eliminate the wavelength dispersion of the polarization dependency of the array waveguide, the difference in the equivalent refractive index between the TE mode and the TM mode of a slab waveguide is set by a formula. The light incident from the input waveguide is diffracted by the first slab waveguide, and branched into the array waveguide. The light outgoing to the second slab waveguide from the array waveguide is diffracted, and interfered with each other, and converged on a second end lace of the second slab waveguide according to the wavelength.  The polarization dependency of the equivalent refractive index is increased to more effectively eliminate the wavelength dispersion.
Patent JP-S61160238-A (JP)
Inventor: KARAKIDA TOYOAKI
IPC: B32B15/08
Filed: 1984-12-27
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-2000062373-A (JP)
Title: Bent holder
Inventor: TAKAHASHI TETSUO
IPC: B42F1/02
Filed: 1998-08-21
Abstract: PROBLEM TO BE SOLVED: To obtain a bent holder which is almost shaped like an angle bracket and has a memo paper engaging function in a part temporarily fitted with a wall surface and a function of laying a plurality of bodies or hanging them down through the intermediary of a string at a portion lifted from the wall surface. SOLUTION: This bent holder has a shape which is formed of a bent body- laying-holding part in the front and of a magnet part 2, a fall-preventing auxiliary magnet part 3, a joint part 4 bonding a plate and a magnet and a practically angle-bracket-shaped bent part 5 at the back and which makes a gap between the magnet part 2 and a wall surface part, making it possible to hold and engage memo paper and to lay a body in a lifted part, when the holder is fitted temporarily on a wall surface made of steel and when the upper part of the bent body-laying-holding part 1 is pressed in the direction A by the tip of a finger with the bent part 5 used as a fulcrum.
Patent JP-H02120092-A (JP)
Title: Pile cloth for lithographic dampening roller and production thereof
Inventor: KUDO KOSAKU
IPC: B41N7/04
Filed: 1988-10-29
Abstract: PURPOSE:To improve a quality, obtain resistance to stain and high durability, and stabilize shrink characteristics by a method wherein a pile cloth configuration is woven by a KANOKO stitch, a long-fiber finished yarn of a synthetic fiber is used as a core yarn, a polyvinyl alcohol fiber is used as a rubber yarn, and a long-fiber of a regenerated fiber having a modified cross section is used by a specific amount or more as a pile yarn. CONSTITUTION:The title pile cloth for lithographic dampening roller is constructed as follows: a KANOKO stitch is used as a pile fabric configuration; as a core yarn 1, a finished yarn of nylon long-fiber, polybutylene terephthalate long-fiber, polyester long-fiber, or the like is used for holding a bulking power and a strength; as a rubber yarn 2, a polyvinyl alcohol fiber shrinking by cold or warm water is used; and as a pile yarn 3, a bemberg or viscose rayon long-fiber having hydrophilic properties and a flatness of 1:8 is contained in the amount of 30% or more. This is loaded on a dampening roller as a pile cloth for lithographic dampening roller. This pile cloth can perfectly adhere to the dampening roller by lukewarm water and uniformly hold a stability with superior durability and resistance to stain. If it is stained, the stain can be easily washed off by cold or warm water.