baber/WOPTO huggingface dataset:
Patent JP-H04364202-A (JP)
Title: Magneto-optical disk device
Inventor: SHIO YUTAKA
IPC: G11B11/105
Filed: 1991-09-17
Abstract: PURPOSE:To surely prevent the device from an errorneous recording of a data or an unerasure due to a fluctuation of a magnetic field intensity on a magneto- optical disk surface due to external interference, etc. CONSTITUTION:Magnetic field sensors 10a, 10b and a discrimination means discriminating whether the magnetic field intensity from a permanent magnet 8 being impressed on the magneto-optical disk surface with a detection signal from the magnetic field sensors is a desired intensity or not, are provided and at a record/erase time, whether the desired intensity of magnetic field is impressed on the magneto-optical disk or not, is detected and when the desired intensity of magnetic field is not impressed, a record/erase operation is stopped or a rotary drive of the permanent magnet is again applied. An errorneous recording or an unerasure of the data due to a shortage of an impressed magnetic field intensity is prevented previously.
Patent JP-H06111067-A (JP)
Title: Character recognizing method
Inventor: KAWADA KOZO
IPC: G06K9/48
Filed: 1992-09-30
Abstract: PURPOSE:To perform character recognition with high identification capability by setting the mean value of a signal ratio and the output of Hough transformation as a composite signal ratio, and performing identification evaluation corresponding to a value of composite signal ratio. CONSTITUTION:Firstly, after smoothing, primary differential, and quadratic differential are performed from an image reading signal, and edge detection is performed, an ISBN code(International Standard Book Number) pattern is detected by applying pattern matching, and an area is selected. and generalized Hough transformation is performed in the area, then, the character recognition is performed. In other words, the character recognition is performed by detecting an edge point in the area selected as an ISBN code print area, generating a template for Hough transformation from the edge point, performing the Hough transformation by using the template, finding the maximum value on a Rough surface, and performing code recognition. Thereby, it is possible to surely perform the character recognition even when the template of one category is superimposed on another template.
Patent JP-H06117209-A (JP)
Title: Valve system for internal combustion engine
Inventor: TSURUSHIMA MICHIFUMI
IPC: F01L13/00
Filed: 1992-09-30
Abstract: PURPOSE:To provide a valve system of internal combustion engine capable of obtaining the spring constant of a valve spring corresponding to the rotating speed of an engine stably with small force by reducing a friction loss in high speed rotation and also eliminating the necessity of extra energy. CONSTITUTION:A valve spring 15 is located in series through a middle spring seat 17 provided reciprocatedly along a valve stem 5a so that a first spring 15a of larger spring constant is located at the end of a valve stem 5a on the opposite side to a valve head 5b and a second spring 15b of smaller spring constant is located at the valve head 5b side. Also a restriction means 20 to restrict the movement of the middle spring seat 17 to the valve head 5b side when the number of revolutions of an internal combustion engine reaches a specified value is located at the side of the middle spring seat 17.
Patent JP-H06343213-A (JP)
Title: Cable pulling equipment
Inventor: MURASAWA IZUMI
IPC: H02G1/06
Filed: 1992-09-05
Abstract: PURPOSE:To quicken the cable threading work between rollers by freely pressing or separating one roller and the other roller to/from each other through slide means. CONSTITUTION:One roller 3 and the other roller 4 sandwiching a cable are respectively formed with a hollow inside by an elastic, polymeric substance, and their inner portions are filled with a compressed gas. Therefore, respective rollers 3 and 4 are bent in response to the external shape of the cable. As a result, a wide contact area can be secured not only for a solid core cable but also for stranded cable, so that a high tension can be given to the cable and a large force will not be applied a specific part of cable to be pulled. By doing this, the work of threading the cable between the rollers 3 and 4 can be quickened.
Patent JP-S63116835-A (JP)
Title: Prodution of laminated sheet
Inventor: AZUMABAYASHI YASUO
IPC: H05K3/02
Filed: 1986-11-05
Abstract: PURPOSE:To obtain a laminated sheet reduced in warpage, by setting the temp. of an upper side hot plate so as to make said temp. high by specific temp. or more than the temp. of a lower side hot plate at the time of the manufacturing of a specific laminated sheet. CONSTITUTION:A laminate formed by arranging a metal foil to the upper surface and/or lower surface of a required number of resin impregnated base materials and a metal plate are alternately superposed in large numbers and all of them are arranged between upper and lower hot plates through cushion materials and molded under heating and pressure to prepare a laminated sheet. At this time, the temp. of the upper hot plate is set so as to be made higher by 5 deg.C or more than the temp. of the lower hot plate. By this method, the contractile force corresponding to the excessive curing contraction generated on the side of the lower hot plate is also generated on the side of the upper hot plate by setting the upper hot plate side to required temp. and, by taking the balance of curing contractile force, the generation of strain in the laminated sheet is prevented and the warpage of the laminated sheet can be reduced.
Patent JP-S61139459-A (JP)
Title: Image forming device
Inventor: KUDO MAMORU
IPC: B41M5/26
Filed: 1984-12-13
Abstract: PURPOSE:To enable optimum color printing to be performed by detecting an ambient temperature of a thermal head and controlling the drive of the thermal head according to detection results and the color of color material. CONSTITUTION:A controlling section 60 reads the ambient temperature data of a thermal head 8 from a temperature detector 68, and turns 'ready' display ON on a display panel 29 if the ambient temperature is below a predetermined level. At the same time, a copy display lights up. Next, a pulse motor 4 is driven to excite a solenoid 12 and press the thermal head 8 against a platen. Thus a thermal transfer ribbon is enabled to run with paper. Next, if 'H' signal is outputted from a ribbon detector 27, the ribbon stops to set the head of yellow. After this process, a pulse width is decided by the relation-ship between temperature data and yellow, i.e. temperature and transfer density and the number of pulses of a pulse motor 4 is counted. Simultaneously colors R, G, B are converted to signals corresponding to yellow by a color conversion 6 and these signals are transmitted for transfer.
Patent JP-H02110190-A (JP)
Title: Reclamation of waste oil
Inventor: TAGUCHI CHOBE
IPC: C10G1/00
Filed: 1988-10-19
Abstract: PURPOSE:To realize the reclamation of a waste oil for reuse by heating a waste oil in a closed vessel to produce a vapor and cooling this vapor to liquefy. CONSTITUTION:A waste oil discharged after use in various industries such as the steel industry wherein oils such as a lubricating oil, light oil, or heavy oil are used is heated in a closed vessel at a temperature ranging from a maximum of 500 deg.C to a minimum of 410-450 deg.C to produce a vapor, which is then cooled to liquefy.
Patent JP-H04142304-A (JP)
Title: Production of hydrocarbon resin in metal salt form
Inventor: SATO NAOTAKE
IPC: C08F8/44
Filed: 1990-10-03
Abstract: PURPOSE:To obtain a high-softening hydrocarbon resin in metal salt form without changing the molecular weight distribution of the starting hydrocarbon resin containing acid anhydride group by adding a specified bivalent metal compound and water to a solution prepared by dissolving the hydrocarbon resin in a solvent and subjecting the mixture to a reaction for conversion into a metal salt. CONSTITUTION:1.5mol or below, par mol of the acid anhydride groups, of at least one bivalent metal compound selected between a Ca compound [e.g. Ca(OH)2] and a Zn compound (e.g. ZnO) and 1-15mol, per mol of the metal compound, of water are added to a solution obtained by dissolving 20-70wt.% hydrocarbon resin containing acid anhydride group (e.g. styrene/maleic anhydride copolymer) in a solvent (e.g. benzene), and the resulting mixture is subjected to a reaction for conversion into a metal salt at 120 deg.C or below for 3-20hr to obtain a hydrocarbon resin in metal salt form with a degree of metallization of 45% or above.
Patent JP-H02112181-A (JP)
Title: Connector
Inventor: MATSUDA MASAYUKI
IPC: H01R13/648
Filed: 1988-10-21
Abstract: PURPOSE:To simply perform an EMI countermeasure on a connector having no consideration for EMI by providing a connector cover part housing a connec tor head and electrically connecting to a shield conductor of a cable, a housing part electrically connecting at the time of mounting the connector cover part and a housing conductive part. CONSTITUTION:A shield conductor of a cable 2 is connected to a connector cover part 4 through a spacer 3 and the connector cover part 4 is inserted into a housing part 6 for being engaged. Thereby, the shield conductor of the cable 2 is electrically connected to a casing of an electronic device or the like through the connector cover part 4, the housing part 6 and a housing conductive part 7. Accordingly, a connector head part 1 is shielded so as not to undergo an influence of EMI.
Patent JP-S61141113-A (JP)
Title: Manufacture of magnet roll
Inventor: YAMAMOTO MIKIO
IPC: H01F13/00
Filed: 1984-12-14
Abstract: PURPOSE:To obtain a magnet roll having various magnetic-flux density waveforms easily by a single mold by mounting movable flux generating blocks around a cavity and injection-molding a kneaded material in a magnetic field by using the mold in which auxiliary blocks are fitted among the blocks as required. CONSTITUTION:A kneaded material mainly comprising magnetic powder and a resin is injected from a nozzle port 9 at the temperature of approximately 250-350 deg.C and the pressure of approximately 600-1,000kg/cm<2>, and injected into a cavity 6 through a sprue 10 and runners 11, 12. A magnet roll molded to an anisotropic state is cooled, a movable mold 2 is moved upward, and a rod 19 is pushed up by a piston for a cylinder to elevate a lower punch 17, thus detaching the magnet roll from a stationary mold 3, then recovering it. The lower punch 17 is returned to an original position, and the movable mold 2 is lowered until it is brought into contact with an annular body 4, thus restoring the cylindrical cavity 6, then resulting in the next molding cycle. The outer diameter of a composite magnet molded shape obtained is processes to prescribed size as required, and the molded shape is magnetized in a predetermined manner, thus acquiring the magnet roll.
Patent JP-2000077918-A (JP)
Title: Dielectric electronic parts and manufacture thereof
Inventor: KOGA AKIHIRO
IPC: H01P11/00
Filed: 1998-09-02
Abstract: PROBLEM TO BE SOLVED: To provide a dielectric resonator and filter manufacturing method capable of adjusting many characteristics at one time, adjusting characteristics without damaging the appearance of parts and adjusting characteristics even of parts having no adjustment margin in shape. SOLUTION: A resonance electrode 10 inside a dielectric 20 is provided dividedly at three areas of partial resonance electrodes 11 to 13 respectively using silver electrodes different in diffusion temperature. The adjustment of a resonance frequency is performed by measuring the resonance frequency of a laminated resonator after sintering them and further applying heat treatment if necessary according to the measured results. In such a case, since the partial resonance electrode 11 first diffuses and disappears into ceramic in accordance with a heat treatment temperature, the resonance electrode length of the resonance electrode 10 is made short and consequently, it is possible to adjust a resonance frequency.
Patent JP-H1199953-A (JP)
Title: Rack-and-pinion steering system
Inventor: OZEKI KEITA
IPC: B62D7/22
Filed: 1997-09-29
Abstract: PROBLEM TO BE SOLVED: To secure a rack-and-pinion steering system that reduced the occurrence of noise and vibration. SOLUTION: An auxiliary shaft 36 is slidably supported on a system body 1 supported with a rack shaft 10 in reciprocation by a pair of bearings 32 and 34 installed at the specified interval in parallel with this rack shaft 10. A spherical part 60 is formed in an end of the rack shaft 10, fitting this spherical part 60 rockably in a connecting member 58, and the end of the rack shaft 10 and this connecting member 58 are connected to each other. In addition, and end of the auxiliary shaft 36 is locked to the connecting member 58, and both symmetrical tie rods 38 and 40 are connected to this auxiliary shaft 36 in an interval between these paired bearings 32 and 34 via ball joints 42 and 44.
Patent JP-H02111316-A (JP)
Title: Warming, heating and cooking method for food and device thereof
Inventor: MIYAHARA KINGO
IPC: A47J27/00
Filed: 1988-10-21
Abstract: PURPOSE:To quickly warm, heat and cook food materials in a steaming chamber by providing a pair of electrodes on the inner bottom section side of a bottomed insulated container with the steaming chamber inside, providing a boiling chamber storing an electrolyte solution inside is provided, and boiling a small quantity of the electrolyte solution in a short time by the excitation action. CONSTITUTION:A cover 2 is removably provided on the upper opening side of a bottomed insulated container 1, and a vent hole 2a is bored at the proper position of the cover. A boiling chamber 4 is formed at the inner bottom section of the bottomed insulated container having a steaming chamber 3 at the most portion of the inside, and a pair of thin plate-shaped circular electrodes 5 and 6 are provided at the bottom section of the boiling chamber. An adequate quantity of an electrolyte solution A, e.g., dilute salt water, is stored in the boiling chamber so that a pair of electrodes are sufficiently submerged. Packed or unpacked food materials are stored in the steaming chamber on the boiling chamber not to be submerged in the electrolyte solution, and the cover is closed. When a pair of electrodes are excited, the electrolyte solution is quickly boiled to generate steam, and the food materials can be warmed, heated and cooked in a short time by the heating action of the boiled steam heat thus generated.
Patent JP-H04144995-A (JP)
Title: Device for producting zinc oxide whisker
Inventor: SATO TAKASHIGE
IPC: C30B29/62
Filed: 1990-10-01
Abstract: PURPOSE:To continuously produce huge tetrapod-like crystalline ZnO whiskers by blowing out vaporized metallic zinc in a non-oxidative gas into an oxidative gas to oxide the vapor. CONSTITUTION:A drop-feed cock 4 and a non-oxidative gas-shutting cock 26 are closed and an insertion cock 1 is opened to feed metallic zinc into a preliminary chamber 25. After the cock 1 is closed, a vacuum pump 2 is operated to evacuate the preliminary chamber 25, and the cock 26 is opened to introduce a non-oxidative gas into the preliminary chamber 25. The cock 4 is subsequently opened to introduce the non-oxidative gas into a metal muffle 6 from an introducing tube 7, and the metallic zinc is dropped into a crucible in the muffle 6. The crucible 5 is heated with heaters 27 to evaporate the metallic zinc, and the vapor thus formed is carried together with the non-oxidative gas introduced from the tube 7. The vapor is blown out from the tip 10 of a vapor-carrying tube 9 into the non-oxidative atmosphere region of a reactor 8 and introduced into an oxidative atmosphere region in the lower part of the reactor 8 through a boundary 24 to oxide the vapor, followed by introducing the formed whiskers from a catching opening 19 into a whisker-catching box 20 to catch the whiskers.
Patent JP-H0687950-A (JP)
Title: Poly@(3754/24)benzoic acid), its production and production of poly@(3754/24)p-phenylene) using the same
Inventor: KAERIYAMA KYOJI
IPC: C08G61/00
Filed: 1992-09-07
Abstract: PURPOSE:To provide a new poly(benzoic acid) made up of recurring unit having specific structure, having specific average degree of polymerization, formable into films or sheets. CONSTITUTION:The poly(benzoic acid) 30-2000 in average degree of polymerization, made up of recurring unit of formula I, which can be obtained by hydrolyzing a poly(benzoate) of formula II (R is lower alkyl; n is 30-2000) [e.g. poly(methyl benzoate)] using an alkali or acid.
Patent JP-S62123763-A (JP)
Title: Manufacture of semiconductor device
Inventor: KUNIMASA KAZUO
IPC: H01L27/088
Filed: 1985-11-22
Abstract: PURPOSE:To reduce the number of impurity introducing processes and photolithography processes by a method wherein two types of elements which are formed on a same substrate and have different threshold voltages are produced by introducing the low concentration impurity simultaneously. CONSTITUTION:P-type impurity ions are implanted into predetermined parts of a P-type semiconductor substrate 21 and further field oxide films 22 are formed and the substrate 21 is divided into an N-type ROm forming region A and an MIS FET forming region B by channel stoppers 23. Then a low concentration N-type impurity is introduced into a pair of source and drain regions 25A and 25B. Then insulating layers 28 are formed on the surfaces of the region A and the region B and gate electrodes 30A and 30B are formed on the channel regions of the regions A and B. After a high concentration N-type impurity is introduced into source and drain forming regions 31A, 31B, 32A and 32B, photoresist 33 is removed.
Patent JP-2001089473-A (JP)
Title: Acrylonitrile compound and pest controlling agent
Inventor: OGURA TOMOYUKI
IPC: A01N43/78
Filed: 1999-09-17
Abstract: PROBLEM TO BE SOLVED: To provide a new agrochemical, especially an insecticide. SOLUTION: This acrylonitrile compound is represented by the formula (1) [Q is a thiazolyl substituted with a specific group or a pyrazolyl substituted with a specified group; A is a phenyl (substituted with a specific group), a naphthyl (substituted with a specified group) or a heterocycle (substituted with a specific group); and B is H, a 1-4C alkyl, a 1-4C haloalkyl or the like], and the agrochemical contains the acrylonitrile compound.
Patent JP-H0599681-A (JP)
Title: Navigation device for marine vessel
Inventor: MITSUNAGA YUJI
IPC: G08G3/00
Filed: 1991-10-14
Abstract: PURPOSE:To precisely set the bow direction and arrival time to way point even in the state having an external force such as tidal current by calculating the moving distance and direction of a marine vessel from the position measuring positions in external force correction starting time and ending time, and estimating the magnitude and direction of the external force from the calculation result and the actual moving distance and direction. CONSTITUTION:When a user inputs the coordinate of a target way point by an input means 5, a position calculating means 2 stores it in a memory means 3, calculates the distance and direction from the present position, and displays them on a display device 4. The direction at this time is the direction to advance in the state having no external force. Thus, the user notifies a navigation correction calculating means 2a of correction start by an external force correction notifying means 5a and also notifies it of correction end after navigating for an optional time. The correction calculating means 2a measures the positions and times in the correction starting time and ending time by a satellite signal receiving part 1 and the position calculating means 2 to determine the moving direction and moving speed of the marine vessel and corrects the bow direction and arrival time to the way point.
Patent JP-S63117465-A (JP)
Title: Mos-type transistor
Inventor: YAMAUCHI HIROYUKI
IPC: H01L29/78
Filed: 1986-11-06
Abstract: PURPOSE:To make a channel width longer without the need for a big area and to increase an electric-current driving force by a method wherein a source region and a drain region of the opposite conductivity type are formed on a semiconductor substrate, of the first conductivity type, where a concave part and a convex part are repeated in one arbitrary direction in such a way that the direction becomes the direction of the channel width while a gate region is formed in the concave part and the convex part between the source and drain regions. CONSTITUTION:A groove is made on a p-type substrate 10 by making use of a drain, a source and a gate 3, 3', 1; an isolation region 2 is formed by burying SiO2. Grooves 30, 31 are formed in the region excluding a contact part 4 and the isolation region 2 in an repetitive manner in the direction of a channel width; an oxide film 6 is formed in the gate region; polycrystalline silicon 1 to be used for a gate electrode is deposited; n<+> ions of the high concentration are implanted into the drain region and the source region 3', 3 so as to form the drain and the source.
Patent JP-H02110215-A (JP)
Title: Heating cooker
Inventor: HORINOUCHI ATSUSHI
IPC: F24C7/02
Filed: 1988-10-20
Abstract: PURPOSE:To form a heating cooker of high reliability without malfunction even if there are noises to some degree by detecting the sounds which a substance to be heated generates with heating or supersonic information to control a heating means in accordance with the counted result of a counting means for counting the number of signal generation of a detector for generating signals. CONSTITUTION:Sounds such as boiling sounds or bursting sounds which a substance 2 to be heated generates are detected by a microphone 7 to convert into electric signals in heating. The sounds enlarges as heating goes on, its generation frequency heightness and the output signals of the microphone 7 and the output Vs of a band pass filter 9 vary according to them. During the scanning of the output Vo of a comparator 11 of the number of P of the constant times in the constant time, in the case where the condition which exceeds the reference voltage Vr which a reference signal generator 10 generates is equal to or more than Q times, it judges that cooking is completed. A microcomputer 12 inputs the output Vo of the compared result of the comparator 11, and a magnetron 3, an air blower 6 and the like are controlled in accordance therewith.
Patent JP-H01106019-A (JP)
Title: Ferroelectric liquid crystal optical element
Inventor: WATABE HIROSHI
IPC: G02F1/137
Filed: 1987-10-20
Abstract: PURPOSE:To provide the title optical element which has high transmittance and has good characteristics with less dependency on wavelengths by confining the value of the product of an inter-substrate spacing and the refractive index anisotropy of liquid crystal molecules within a specific range and correcting the spectral characteristics of an ON state by a filter. CONSTITUTION:One of the two arrangement states which the liquid crystal molecules attain by the directions of electric fields is so set that either of the major axis direction or minor axis direction of the molecules is in parallel with the axis of polarization. The value of the product of the inter-substrate spacing (d) and the refractive index anisotropy DELTAn of the liquid crystal molecules is confined within the 0.20-0.25 range; furthermore, the spectral characteristics exhibited when the another arrangement state of the liquid crystal molecules is attained. are corrected by the filter. The element which has the high transmittance over the entire region of visible light and has the flat spectral characteristics is thereby obtd.