baber/WOPTO huggingface dataset:
Patent JP-H07135368-A (JP)
Title: Fabrication of variable wavelength semiconductor laser
Inventor: SAKATA YASUTAKA
IPC: H01S5/00
Filed: 1993-11-11
Abstract: PURPOSE:To enhance the current confinement effect by providing a ridge waveguide structure fabricated through selective growth additionally with a pn current block structure or a high resistance current block structure. CONSTITUTION:After forming a diffraction grating on a p-InP substrate 1, a pair of SiO2 masks 2 are patterned and then an InGaAsP tuning layer 3, an n-InP spacer layer 4, a laser active layer 5, and a p-InP layer 6 are grown selectively in that region. After removing the SiO2 mask 2, an SiO2 mask 11 is patterned on a ridge waveguide grown selectively and then an n-InGaAsP layer 8, a p-InP layer 9, and an n-InP layer 10 are grown while being embedded. After removing the SiO2 mask 11, a p-InP clad layer 12 and a p-InGaAs cap layer 13 are grown selectively on the ridge waveguide and InP is removed by etching from the n-side electrode 16 thus obtaining a high optical output pn current block structure.
Patent JP-2000110517-A (JP)
Title: Multi-cylinder engine
Inventor: TOSAKA TETSUYA
IPC: F02B61/02
Filed: 1998-10-05
Abstract: PROBLEM TO BE SOLVED: To drive an intake/exhaust valve opened/closed by a very simple mechanism after increasing a freedom degree in arrangement of a spark plug while S/V ratio of a combustion chamber can be relatively set small, in a multi- cylinder engine connecting a cam shaft linked with the intake/exhaust valve opening/closing intake/exhaust passages respectively in each of a plurality of the combustion chambers. SOLUTION: An intake valve 36L and an exhaust valve 37R tilted by making an acute angle with planes 38L, 38R are arranged in parallel to each combustion chamber 26L, 26R in a position biased to one side from the planes 38L, 38R passing through an axis of each cylinder bore 21L, 21R, also cam shafts 46L, 46R in common with the intake/exhaust valve 36L, 37R of each combustion chamber 26L, 26R are arranged in parallel to the planes 38L, 38R, and cams 48L, 49R directly driving the intake/exhaust valves 36L, 37R opened/closed are provided in the cam shafts 46L, 46R.
Patent JP-H10119353-A (JP)
Title: Light source and laser scan optical system
Inventor: NAIKI TOSHIO
IPC: G02B26/10
Filed: 1996-10-24
Abstract: PROBLEM TO BE SOLVED: To provide a light source in which the distance between a laser light source and a collimator lens is varied for temperature fluctuation with high reproducibility, and a laser scan optical system in which fluctuation in the focal length of the entire optical system due to temperature fluctuation can be corrected easily. SOLUTION: Laser holding members 2, 2' and a laser holding base 3 are made of a same kind of material while a base 4 and a lens barrel 8 are made of a different material. Abutting faces 9a, 9d between the laser holding member 2 and the laser holding base 3 and between the base 4 and the lens barrel 8 made of same kind of materials extend in parallel with the optical axis of a collimator lens 7 while the abutting faces 9b, 9c between the laser holding base 3 and the base 4 and between the laser holding member 2' and the base 4 made of different kinds of material are vertical to each other.
Patent JP-H06207169-A (JP)
Title: Organic electroluminescence element
Inventor: HIRONAKA YOSHIO
IPC: H05B33/14
Filed: 1993-11-11
Abstract: PURPOSE:To provide an organic electroluinescence element containing a specific quinoxaline compound, having high luminance, high luminous efficiency and long life and useful for electronic device, display element, etc. CONSTITUTION:The element contains a quinoxaline compound of formula I (Z is single bond, 0, etc.; X and Y are 1-6C alkyl, 6-18C aryl, etc.; n is 1-3) (e.g. 2,2',3,3'-tetraphenyl-6,6'-diquinoxaline). The compound of formula 1 is preferably used as a light-emitting layer or electron injection layer of an organic electroluminescence element. The compound of formula I can be produced e.g. by reacting an alpha-diketone of formula II with an o-phenylenediamine of formula III in a solvent such as chloroform under stirring for 0.1-20hr.
Patent JP-H05115395-A (JP)
Title: Vacuum cleaner
Inventor: SHIMIZU YUICHI
IPC: A47L9/02
Filed: 1991-10-29
Abstract: PURPOSE:To reduce an operating force and improve usableness by dispensing with an operation before and after the handling of a hose for operating a floor nozzle. CONSTITUTION:While a tubular body 8 slidable forward and backward to cover a straight pipe part 7 of an end pipe 5 provided on the end of a hose 4 is provided, the end pipe 5 is coupled with the tubular body 8 through an elastic body. Further, traveling drive rollers 27 are provided on the bottom surface of a floor nozzle 2 so that the rollers together with a rotary brush are driven by a motor in the floor nozzle 2 to achieve the object.
Patent JP-H02128299-A (JP)
Title: Process monitoring system
Inventor: TAKAHARA KAZUKO
IPC: G08B25/00
Filed: 1988-11-09
Abstract: PURPOSE:To improve a monitoring characteristic and operability by setting an output specification optimum and intrinsic for each operator according to the difference between the individualities of respective operators in a plant process monitoring environment. CONSTITUTION:An output specification setting device (setting terminal) 10 is provided for this system, and the device 10 is connected to a data transmitting line 4. This output specification setting device 10 has an output specification setting computer 13, a CRT controller, a display 16, a touch panel 17, a keyboard 18, and an ID card reader 19. Since an output specification changing means is added in this manner, it becomes possible to change the setting of the output specification, which is optimum for each operator, during a system operation for each operator. Thus, the system can contribute to the reduction of the stress of the operator, and further, propriety and high reliability can be given to process monitoring control.
Patent JP-2001106864-A (JP)
Title: Propylene resin composition
Inventor: UEDA TADASHI
IPC: C08L23/10
Filed: 1999-10-04
Abstract: PROBLEM TO BE SOLVED: To obtain a propylene resin composition excellent in moldability, bleeding, plate-out (roll staining), weather resistance and transparency, and a film, and the like, prepared therefrom. SOLUTION: This propylene resin composition contains the following components (A) and (B) in a weight ratio (component (A)/component (B) of 99/1-1/99. Component (A): a propylene resin containing a UV light absorber obtained by subjecting the following (a1)-(a3) to the conditions of a radical reaction: (a1) a propylene resin 100 pts.wt. (a2) an α,β-unsaturated carboxylate ester having UV light absorbing ability 0.1-20 pts.wt. (a3) an aromatic vinyl compound 0.1-50 pts.wt. Component (B): a propylene resin containing a light stabilizer obtained by subjecting the following (b1)-(b3) to the conditions of a radical reaction: (b1) a propylene resin 100 pts.wt. (b2) an α,β-unsaturated carboxylate ester having light stabilizing ability 0.1-20 pts.wt. (b3) an aromatic vinyl compound 0.1-50 pts.wt.
Patent JP-H10110362-A (JP)
Title: Fabric dryer of eater jet loom
Inventor: SHIMIZU KAZUYA
IPC: D03J1/06
Filed: 1996-10-06
Abstract: PROBLEM TO BE SOLVED: To provide a fabric dryer capable of possibly decreasing the consumption of electric energy for a type of fabric which can be dried by relatively small amount of heat, sufficiently drying a fabric which requires relatively large amount of heat for drying. SOLUTION: This apparatus is provided with a half pipe 2 as an exhausting device affecting the exhaust blow of a lower 18 generating aspiration flow on a dehydrating tube 11, on the woven fabric 6, a heater 1 as a heating device for woven fabric and an infrared moisture meter 3 as a water content detecting device for the fabric 6 detecting between heater 1 and cloth roller. When the compared moisture content detected by this infrared moisture meter 3 and the moisture content previously set by an adjuster 60 compared by the comparator 4 is less than the prefixed value, a selector 5 selects the blower power source SW18a to allow drying by the exhaust blow, and when the moisture content is more than the prefixed range, the selector selects the blower power source SW18a and heater power source SW1a to perform the drying by the exhaust blow and heating of the heater.
Patent JP-H05122916-A (JP)
Title: Variable reluctance type resolver
Inventor: EZUKA YASUHIRO
IPC: H02K24/00
Filed: 1991-10-29
Abstract: PURPOSE:To accurately detect rotating angle or rotating velocity of a rotor by supply an AC power to excitation coils of first and second electrodes of each phase, obtaining a 3-phase signal including 3-order harmonic distortion of permeance and cancelling the 3-order harmonic distortion through conversion into the 2-phase signal. CONSTITUTION:First magnetic poles A11 to C16 and second magnetic poles A21 to C26 of the 3-phase, 18 poles are formed in a stator excitation coils LA11 to LC26 are wound around the magnetic poles A11 to C26, and the one end is connected to a single-phase AC power supply 3, while the other end grounded through the resistors RA1 to RC2. A change of current depending on change of reluctance between the slot teeth of rotor is detected from the output terminals TA1 to TC2 extended between the excitation coil and resistor. A distance value is calculated by supplying an in-phase detected current among the currents to the differential amplifier circuits 5A to 5C and high harmonic distortion of permeance is removed by converting the signal to the 2-phase signal with a phase converting circuit 6. This harmonic distortion is processed in a signal processing circuit 7 in order to detect accurate rotation angle or the number of rotations.
Patent JP-2001106939-A (JP)
Title: Method for producing titanium dioxide pigment treated with organic compound
Inventor: FUJII TSUTOMU
IPC: C09C3/08
Filed: 1999-10-04
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing both industrially and economically advantageous way a titanium dioxide pigment of high dispersibility by treating titanium dioxide particle surface with an organic compound as dispersant. SOLUTION: This method for producing a titanium dioxide pigment comprises the following process: a liquid organic compound is mixed with a heated gas serving as a grinding medium, the mixture is then fed into a gas-flow type grinder, where titanium dioxide particles are ground by the action of the mixture while treating the particle surface with the organic compound.
Patent JP-H06127297-A (JP)
Title: Ash tray for vehicle
Inventor: NOTAKE JIRO
IPC: A24F19/00
Filed: 1992-10-21
Abstract: PURPOSE:To make effective use of the capacity of an inner case by providing a horizontally holding mechanism to hold the inner case to be approximately horizontal when the inner case oscillated in a development direction and in a storage direction following the development and storage of the outer case is in a development state. CONSTITUTION:A ash tray 10 for a vehicle consists of an outer case 12 and an inner case 14. When the outer case 12 is oscillated to a development direction (arrow mark A), the inner case 14 is oscillated to a development direction (arrow mark C) around a shaft 26, oscillated toward the arrow mark A integrally with the outer case 12 and held in a development state, or in an ash tray usable condition. In the ash tray usable condition, the end 36A of a stopper 36 for the inner case 14 has contact with the flange 18A of the outer case 12 to restrict the oscillation of the inner case 14 to a ash input direction, or to a runaway direction (arrow mark E), so that the inner case 14 is held to be approximately horizontal. In this way, the effective use of the capacity of the inner case 14 can be made.
Patent JP-H0598750-A (JP)
Title: Waterproof joint material
Inventor: ISHIKAWA TAKASHI
IPC: E04D3/366
Filed: 1991-10-02
Abstract: PURPOSE:To improve waterproofness without requiring a cover in the joint section of a facing material. CONSTITUTION:A waterproof joint material A is formed by a batten board B composed of a short-sized board-shaped batten section 1 having a pot-shaped cross section and a seam section 2, in which the lower side of the batten section 1 is bent, and a fitting body C with a short-sized board-shaped engaging tongue piece 10, in which the left and right sides of a base 9 are folded and formed doubly in a closure bag shape. The fitting body C is retained to the engaging section 4 of the batten section 1 and unified, and the engaging tongue piece of a facing material D is fastened to the engaging tongue piece 10 of the fitting body C and connected. Accordingly, a joint section, which requires no cover, and has strength and waterproofness, rustproofness and design properties of which are improved, can be formed.
Patent JP-H06203746-A (JP)
Title: Coolant for projection cathode ray tube
Inventor: IKEDA YOSHIJI
IPC: H01J31/10
Filed: 1992-09-28
Abstract: PURPOSE:To provide a coolant for a projection cathode ray tube excellent in stability, heat resistance, light-proof and corrosion resistance with a low melting point, low boiling point and low viscosity by specifying ratio of compounding monoethylene glycol and diethylene glycol. CONSTITUTION:By mixing 60 to 40wt.% monoethylene glycol in 40 to 6Owt.% diethylene glycol, and further as necessary by mixing 2ppm to 10% metal corrosion preventing agent, a coolant for a projection cathode ray tube is obtained. In this coolant, no water is contained while in low viscosity, and a handling property is improved with a refraction index near glass to provide a high igniting point with no toxicity.
Patent JP-2001107490-A (JP)
Title: Earthquake resisting wall
Inventor: SAITO KEIICHI
IPC: E04B2/56
Filed: 1999-10-05
Abstract: PROBLEM TO BE SOLVED: To improve earthquake resisting performance by laying down a compression strut and prevent concrete from peeling. SOLUTION: Tension members 11 are installed onto the external surfaces of wall concrete 10 in the reinforced concrete-constructed earthquake resisting wall 2. The tension members 11 are mounted symmetrically on both surfaces of the wall concrete 10 to the central plane of the thickness of a wall. The tension members 11 are made of shape steel, and joined with columns 3 on both sides.
Patent JP-H01125130-A (JP)
Title: Idle channel discrimination system for cordless telephone system
Inventor: SHIMIZU YOSHITAKA
IPC: H04B1/40
Filed: 1987-11-10
Abstract: PURPOSE:To surely decide whether or not a control channel is idle by detecting a frame synchronizing signal included in a control signal. CONSTITUTION:When it is detected by a received electric field intensity detecting means 8 that the received electric field intensity is not over a threshold level and even when the received electric field intensity detecting means 8 detects the received electric field intensity is over a threshold level, but when no frame synchronizing signal is detected by a frame synchronizing detection means 11, a deciding means deciding that the control channel is idle, which is provided at least on one of connection device and a radio telephone set. Thus, when the frequency of an interference wave is nearly equal to the carrier frequency of a control channel, even when the received electric field intensity as to the control channel is over the threshold level through the detection, when no frame synchronizing signal is detected, it is discriminated that the control channel is in the idle state.
Patent JP-H05101159-A (JP)
Title: Filing system
Inventor: SEGAWA HIDEKI
IPC: G06T1/00
Filed: 1991-10-04
Abstract: PURPOSE:To enable quick display at the time of the page retrieval of character information in the filing system and to speedily read a screen for confirmation if there is a problem or any suspicious point in a desired page. CONSTITUTION:This filing system is provided with a recording medium A5 where the character information is recorded as code data and a recording medium B6 where the information is recorded as image data. A document read out by a scanner 2 is recorded as the code data on the recording medium A5 after its characters are recognized by a 1st recording control means 3. At this same time, the document read out by the scanner 2 is recorded as image data on the recording medium B6 by a 2nd recording control means 4. For reproduction, the code data are read out from the recording medium A5 and converted into characters, which are displayed at a display part 7. If there is a problem in a desired page, the corresponding image data are read out from the recording medium B6 and displayed.
Patent JP-H06110645-A (JP)
Title: Image display control method
Inventor: OKUI TOSHIYUKI
IPC: G06F3/048
Filed: 1992-09-29
Abstract: PURPOSE:To visually express the order of referring to image or the number of remaining images in the case of displaying one part of plural images on a display part. CONSTITUTION:At the time of displaying a new image 12-2 in place of an image 12-1 during display or at the time of changing the order from the leading side image to the tailing side image, the image 12-2 to be newly displayed appear is displayed so as to the left side of the original image 12-1 and in the inverse case, the new image is displayed so as to appear at the right side of the original image. Thus, an operator can visually be informed of which order of a card like database does he retrieve, and of that the number of simultaneously turned-out cards or the number of remaining cards by adding shadows corresponding to the number of remaining cards to the edge of the image.
Patent JP-H09122919-A (JP)
Title: Production of metal covered corrosion resistant steel
Inventor: HASE TAIJI
IPC: B23K11/18
Filed: 1995-10-31
Abstract: PROBLEM TO BE SOLVED: To obtain a long life covered corrosion resistant steel by energizing between upper/lower electrode rollers while applying a specified pressure. SOLUTION: Pure titanium is used for a corrosion resistant metal sheet 2 spirally wound to a steel tube 1. The steel tube 1 and corrosion resistant metal sheet 2 are resistance seam welded. Successively, a pressure of 200-400kg/cm<2> is applied between upper/lower electrode rollers 5a, 5b and energized. At this state, welding is executed which can discharge the inclusion in molten metal generated between welding part sheets in expulsion. The inclusion in molten metal is not discharged in expulsion in the case of a pressure of <=200kg/cm<2> , and in the case of a pressure of >=400kg/cm<2> , a fused substance is squeezed, a good joined part is not obtained. By this method, a steel of steel tube, etc., is surely, continuously and efficiently covered with a titanium sheet.
Patent JP-H07112738-A (JP)
Title: Packing case
Inventor: SHINODA AKIRA
IPC: B65D5/52
Filed: 1993-10-18
Abstract: PURPOSE:To provide a packing case having two openings on one face of a packing body. CONSTITUTION:A packing case 1 comprises cutting lines notched from both ends 8, 8 of an opening leading side 7 of a first opening 5 having a separating cutting line which can be unsealed with a side 2 as a fulcrum on a face 4 connected to the side 2 and a second opening 6 in contact with the first opening 5 respectively toward the side 3.
Patent JP-H07113396-A (JP)
Title: Pipe propelling method
Inventor: NAGASAKA MASATOSHI
IPC: E21D9/06
Filed: 1993-10-20
Abstract: PURPOSE:To eliminate substantially the restriction due to the property of a natural ground by varying the propelling method at the second stage of a pipe propelling process in case such is performed in a two-stage system. CONSTITUTION:A leading pipe 10 is put forward from a starting pit to an objective pit 14. When the foremost of this leading pipe reaches the objective pit, an impact type propelling machine 28 having a compacting part 29 with an outside diameter D2 greater than that D1 of the leading pipe is applied to the tail of the pipe 10, and a burying pipe 30 with an outside diameter D3 smaller than the outside diameter D2 compacting of the part is coupled with the tail of the propelling machine. The natural ground with the leading pipe away is compacted by a compacting part 29 while the leading pipe 10 and burying pipe 30 are pushed forward by the propelling machine 28, and the burying pipe 30 is propelled to the compacted natural ground while the leading pipe 10 is propelled to the objective pit. Finally the leading pipe 10 and propelling machine 28 are collected back at the objective pit 14.
Patent JP-H09127934-A (JP)
Title: Musical sound device
Inventor: HONDA HISAMITSU
IPC: G10C3/00
Filed: 1995-10-31
Abstract: PROBLEM TO BE SOLVED: To dispense with the increase in the intensity of the prohibiting mechanism of a jack or the intensity of the jack, and minimize the collision sound caused by the touch of a string hammering mechanism with the prohibiting mechanism by providing a mechanism for prohibiting the jack from operating of a hammer when an acoustic piano is prohibited from hammering a string, and laid into electronic sounding state. SOLUTION: When a switching lever 79 is switched, a switching wire 77 is pulled against the energizing force of a spring 68, and a jack shift roller 65 and a hammer stop roller 75 are rotated together with driving links 66, 76, rotating shafts 62, 72, and support links 63, 63 and 73, 73 to change the direction. Thus, the jack shift roller 65 makes contact with a jack 30..., and pushes the jack 30... against a jack spring 31..., whereby the tip of the jack 30... is released from a hammer pad 33..., and the jack 30... is prohibited from operating hammers 33..., 34..., 36....
Patent JP-H02129718-A (JP)
Title: Graphic editing device
Inventor: KOGA EIJI
IPC: G06F3/048
Filed: 1988-11-10
Abstract: PURPOSE:To display areas corresponding to plural editing objects so as to be partially superposed and to display sufficient information by updating a display position and a shift value of a new editing object from an input means from the number of pieces of the editing objects and the shift value. CONSTITUTION:The graphic editing device is provided with a storage means 3 for storing the number of pieces of plural editing objects, a shift value storage means 3 for storing a value for shifting each of plural editing objects, input means 4, 5 for inputting a new editing object, and a means 1 for updating a display position and a shift value of the new editing object by the shift value and the number of pieces. In such a way, areas corresponding to plural editing objects can be displayed so as to be partially superposed, and with respect to such an object as has a hierarchical structure, its hierarchy can be recognized on a screen in accordance with an assignment sequence.
Patent JP-H06137293-A (JP)
Title: Rotary compressor
Inventor: UEMATSU TAKAHIRO
IPC: F04C29/00
Filed: 1992-10-22
Abstract: PURPOSE:To improve efficiency by suppressing overheating of a cylinder chamber by means of high temperature delivery gas flowing through a bypass passage and reducing incurring of a compression loss. CONSTITUTION:A pipe 50 made of resin having high heat insulating ability is located in a bypass passage 4. The resin pipe 50 causes suppression of transmission of the heat of high temperature delivery gas, flowing through the bypass passage 4, to a cylinder chamber 8 and reduction of overheating of gas in the midst of compression.
Patent JP-H04159295-A (JP)
Title: Flavonoid glucoside and 5-lipoxygenase inhibitor containing the flavonoid as active ingredient
Inventor: UEDA TOMOKO
IPC: A61P37/08
Filed: 1990-10-24
Abstract: NEW MATERIAL:A comround of the formula (R1 is rhamnose<3-1>xylose, rhamnose<2-1>fucose; R2 is H, glucose; R3 is H, methyl). EXAMPLE:4'-Methoxy-5-hydroxy-8-(3,3-dimethylallyl)flavon 3-0-beta-D-xylopyranosyl(1 3)-4-0-acetyl-alpha-L-rhamnopyranoside-7-0-beta-D-glucoside. USE:A 5-lipoxygenase inhibitor. Useful as an antiallergic drug, antiinflammatory drug, etc. PREPARATION:The stems and leaves of Epimedium koreanum NAKAI are extracted with a solvent such as acetone, and the solvent is removed from the extraction solution. The residue is subjected to a column chromatography, etc., using hexane, etc., as an elution solvent.