baber/WOPTO huggingface dataset:
Patent JP-2000161990-A (JP)
Title: Magnetism detecting device
Inventor: SHINJO IZURU
IPC: G01B7/00
Filed: 1998-11-30
Abstract: PROBLEM TO BE SOLVED: To provide a magnetism detecting device, superior in starting characteristics and capable of generating output signals of a stable predetermined level at power-on. SOLUTION: For making the output signal of a comparison circuit 10 at power-on to be a first level, the offset voltage of a waveform-shaping means 19 is set higher than the reference value of the comparison circuit 10. For making the output signal of the comparison circuit 10 at power-on to be a second level, the offset voltage of the waveform-shaping circuit 9 is set lower than the reference value of the comparison circuit 10. A magnetism detecting device is provided with a start circuit for setting an output signal of the comparison circuit 10 at a predetermined level at power-on.
Patent JP-H03200319-A (JP)
Title: Formation of poly-crystalline silicon
Inventor: HAMADA KOJI
IPC: H01L21/324
Filed: 1989-12-27
Abstract: PURPOSE:To prevent lowering of device characteristics by constituting the title poly-crystalline silicon in such manner that an insulating film substrate pole surface layer, before amorphous silicon is crystallized, has a composition that is rich in silicon. CONSTITUTION:Amorphous silicon 14 is deposited on an insulating film substrate 12 and crystallized to form a poly-crystalline silicon 16. Then, before the amorphous silicon 14 is crystallized, an insulating film pole surface layer 13 in the interface with the amorphous silicon 14 is placed in a state where the surface layer has a composition that is rich in silicon, and thereafter the amorphous silicon 14 is crystallized to conduct the solid-phase growth of a silicon film. Therefore, the crystallization of the insulating film and amorphous silicon film interface is conducted smoothly and it is possible to form the poly-crystalline silicon 16 larger in silicon crystal crystal grain than a poly-crystalline silicon known heretofore and excellent in poly-crystalline silicon surface flatness. In this manner, it is possible to contrive to improve the withstand pressure of an oxide film on the poly-crystalline silicon and electric characteristics of a thin film poly-crystalline silicon transistor.
Patent JP-H03205358-A (JP)
Title: Production of carbon fiber-reinforced carbon composite material
Inventor: HIRAMOTO JIRO
IPC: C04B41/85
Filed: 1989-12-29
Abstract: PURPOSE:To obtain a carbon fiber-reinforced carbon composite material resistant to the generation of defects such as cracking and peeling of the silicified oxidation-resistant film by converting the inner pore and the surface of a porous carbon fiber-reinforced carbon composite material into silicon carbide and depositing a ceramic material by chemical vapor deposition process. CONSTITUTION:A porous carbon fiber-reinforced carbon composite material is produced by applying a mixture of (A) a thermosetting resin (preferably phenolic resin) and (B) 20-50wt.% (based on the sum of B and the nonvolatile component of A) of powder or fiber of an organic compound (actual carbon ratio of <=20%) to a woven cloth of carbon fiber, laminating, heating, pressing and forming the cloth and carbonizing the product in an inert gas atmosphere. The inner pore and the surface of the obtained composite material is converted to silicon carbide by diffusion process and a ceramic material (preferably carbide or nitride of Si, Hf or Zr or their composite material) is deposited to the product to obtain the objective carbon fiber-reinforced carbon composite material.
Patent JP-2001152673-A (JP)
Title: Curing board for floor surface or the like
Inventor: ISHIGAMI MITSUO
IPC: E04G21/30
Filed: 1999-11-30
Abstract: PROBLEM TO BE SOLVED: To provide a curing board for the floor surface or the like which facilitates such handling as conveyance or the like, and at the same time, facilitating the construction work at a site, especially the dimensional setting or the like for a curing member adjusted to an area of a floor and also having a sufficiently high protection effect. SOLUTION: A curing board 1 for floor surface or the like is equipped with a hard board main body 2 having proper length, width and thickness dimensions, and in a type of packing when the board main body 2 is conveyed at a site, the width dimension is made portable dimension so as to be capable of having the curing board carried under the arm of a worker M engaged in carrying work.
Patent JP-H04208470-A (JP)
Title: Impact dot printer
Inventor: ANDO KOICHI
IPC: B41J2/30
Filed: 1990-11-30
Abstract: PURPOSE:To print with a high grade by a method wherein the number of driven times of a print wire is counted at a count circuit, the number of driven times is replaced by an abrasion loss at a part influencing a crater quantity of the print wire of a print head, and a feedback circuit drive time for energizing an exciting coil is set in accordance with the frequency. CONSTITUTION:When a print wire 2 of a head 21 is driven by a head driver 22, it is counted at a count circuit 23 through a control circuit 20. When the counted value becomes a set number of times, a drive time table means 25 is controlled through the control circuit 20 and a feedback circuit drive time for driving an exciting coil 13 is switched to a time table which becomes longer than before. Then, a proper coil drive time is reset for a distance between a tip of the print wire 2 and a print medium which are widening due to abrasion, and a decreasing printing force is reinforced so that a high printing grade can be maintained again. Thus, substantially the same printing force is given during a guaranteed life and a high grade printing can be carried out.
Patent JP-H11162234-A (JP)
Title: Light source using light emitting diode
Inventor: SUGIMOTO MASARU
IPC: H05B37/02
Filed: 1997-11-25
Abstract: PROBLEM TO BE SOLVED: To provide various light distributions by a light source itself and to easily constitute a surface light source. SOLUTION: A plurality of light emitting diode elements 1 are arranged with an arrangement density according to a light distribution design. A surface light source can be easily provided by arranging the light emitting diodes 1. Further, since the arrangement density of the light emitting diode elements 1 is set according to the light distribution design, the light source itself is conformable to the light distribution design. The light emitting diode is desirably a bare chip.
Patent JP-H03201706-A (JP)
Title: Voltage controlled oscillator
Inventor: MURAYAMA MAKOTO
IPC: H03B5/00
Filed: 1989-12-28
Abstract: PURPOSE:To expand the change width of an oscillating frequency by positively feeding back an output signal of an adder circuit adding an output signal of a differential amplifier and an output signal of a phase shift circuit positively to an input terminal of the differential amplifier. CONSTITUTION:The oscillator consists of a differential amplifier 9 provided with an operating current source 10, a phase shift circuit 11 generating signals shifting an output signal of the differential amplifier by +90 deg. and by -90 deg. and generating a sum of both the signals at a desired ratio, an adder circuit 12 summing an output signal of the differential amplifier 9 and an output signal of the phase shift circuit 11 in terms of vector and applying the resulting signal to the input terminal of the differential amplifier 9 and a resonance circuit 13. Then the resonance circuit 13, the differential amplifier 9 and the adder circuit 12 form the oscillating loop, the output signal of the differential amplifier 9 is phase-shifted by the phase shift circuit 11 and fed to the oscillating loop by the adder circuit 12. Thus, the change width of the oscillating frequency is widened and stable oscillation is continued.
Patent JP-H09177602-A (JP)
Title: Manufacture of piston for internal combustion engine
Inventor: NIIMI HIROSHI
IPC: F02F3/22
Filed: 1995-12-27
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method for a piston for an internal com bustion engine, which employs a means as a removal support means for a sol uble core for forming a cooling cavity in a piston crown where strength is prevented from being decreased, and no weight saving is impeded at all. SOLUTION: A group of stays equal to or more than two directed inward are formed in a pressure ring to be crowned to the ring groove of a piston crown, let a soluble core 7 be held by the aforesaid group of the stays 6 of the pressure ring, and the pressure ring holding the soluble core 7 is set in a metal mold, so that a piston is thereby casted. The group of stays 6 is fairly extended inward out of the pressure ring, and is light in weight though it remains within a product, it does not affect the weight of the piston. Besides, since no portion of it is protruded out of the piston after it has been formed, no strength is degraded at all.
Patent JP-H05172612-A (JP)
Title: Method for monitoring evaporation raw material within crucible
Inventor: HINO MASAO
IPC: G01F23/28
Filed: 1991-12-24
Abstract: PURPOSE:To obtain a method for monitoring an evaporation raw material within a crucible for judging a state etc., of the evaporation raw material easily in an evaporation device which performs evaporation by heating while evacuating an evaporation raw material within a crucible which is provided within a vacuum container. CONSTITUTION:In a device which heats an evaporation raw material 13 within a crucible 14 which is provided within a vacuum container 12 and evaporates the evaporation raw material 13, a reference light 22 in a curtain with a single wavelength is shed onto a surface of the evaporation raw material 13. A reflection light 26 of the reference light 22 is observed through an interference filter 28 which allows only a wavelength band of the reference light 22 to be transmitted.
Patent JP-H07164930-A (JP)
Title: Detection of position of power seat and position detection device
Inventor: OGASAWARA HIROMITSU
IPC: B60N2/06
Filed: 1993-12-10
Abstract: PURPOSE:To carry out detection of an absolute position of a movable member in a power slide without causing complication of constitution. CONSTITUTION:At output ends of reed switches 12-1, 12-10 of a branch circuit to a series circuit, their output voltage is monitored. Thereafter, a series of the reed switches is fixed on an upper rail 20 and a magnetic body 14 having the same magnetic pole width W2 as an arrangement pitch W1 of the reed switch is fixed on a lower rail respectively, the reed switch which works ON as the magnetic body approaches is discriminated by the output voltage from the branch circuit, and a seat position is detected from the position of the reed switch.
Patent JP-H04208724-A (JP)
Title: Automatic frequency and gain control system for optical heterodyne polarization diversity reception
Inventor: CHIKAMA TERUMI
IPC: H04B10/07
Filed: 1990-11-30
Abstract: PURPOSE:To stabilize the intermediate frequency(IF) signal power of an optical heterodyne polarization diversity receiver by measuring the power of the IF signal corresponding to each polarized wave of signal light and selecting only the IF signal having the higher IF signal power. CONSTITUTION:A part of the IF signals of p-polarized and s-polarized wave components is branched by branching parts 4 and 4', and a part of branched signals is branched by branching parts 41 and 41' furthermore. Signals branched by branching parts 41 and 41' are inputted to power detectors 61 and 61' in a measuring means 6 to monitor the IF signals of respective polarized waves. IF signal powers detected by the measuring means 6 are inputted to a switch control circuit 71 in a selective means 7, and the IF signal having the higher power is outputted from a micro wave switch 72 in accordance with magnitudes of IF signal powers. The frequency of a local light source is automatically controlled by this signal.
Patent JP-2000144081-A (JP)
Title: Adhesive for polyester
Inventor: IIDA KOSUKE
IPC: C09J11/06
Filed: 1998-11-13
Abstract: PROBLEM TO BE SOLVED: To obtain an adhesive which does not cause blushing in the field of adhesion of a polyester, is cheap and has a moderate curing time by incorporating as a main component a linear alcohol having a specific number or more of fluorine atoms bonded thereto. SOLUTION: There is provided an adhesive for a polyester, comprising a linear alcohol having at least four fluorine atoms bonded thereto or comprising a 5-50 wt.% organic solvent solution of the fluorinated alcohol. The fluorinated alcohol has such a structure that 2-6 methylene groups whose each two hydrogen atoms are replaced by two fluorine atoms are linked together and have a hydrogen atom on one end and CH2OH on the other end, and tetrafluoropropanol-1, octafluoropentanol-1, dodecafluoroheptanol-1 or the like can be employed. Al the organic solvent is employed acetone, methyl ethyl ketone, tetrahydrofuran, ethyl acetate, toluene or the like.
Patent JP-H08188571-A (JP)
Title: Pyrrolidine derivative
Inventor: FUJIWARA HIROMICHI
IPC: C07D207/40
Filed: 1994-12-29
Abstract: PURPOSE: To obtain the subject new compound which is a safe synthetic intermediate for compounds useful as medicines for medical care. CONSTITUTION: A pyrrolidine derivative of formula I (B is an imide residue; R is a lower alkyl). Furthermore, B is preferably phthalimide or succinimide and more preferably the phthalimide. For example, (2S, 4S)-4-phthalimido-2- ethoxycarbonyl-N-ethylpyrrolidine. The compound of formula I is obtained by reacting, e.g. a compound of formula II (X is a halogen, an alkyl or an arylsulfonyloxy) with potassium phthalimide or potassium succinimide using preferably a quaternary ammonium salt as a catalyst. The compound of formula I can be reduced and then solvolyzed to afford (2S, 4S)-4-amino-2-hydroxymethyl- N-ethylpyrrolidine.
Patent JP-H07157129-A (JP)
Title: Image forming device
Inventor: MURANAKA MASAICHI
IPC: B65H5/02
Filed: 1993-12-10
Abstract: PURPOSE:To provide an image forming device which is small in size, low in cost, and excellent in durability and prevents the meandering of a transfer belt surely. CONSTITUTION:In an image processing device which is provided with an endless feeding belt 1 to feed loaded sheets in a feeding direction, the feeding belt is installed tensely by a drive roller 3 and a driven roller 2 movable in tensed direction, and brake pads 4a to 4c to give a braking force in contact with the outer circumferential surface of the driven roller are installed at both ends of the driven roller in axial direction. Also at least each one of meandering detection sensors 5a and 5b to detect the meandering of each feeding belt are positioned near the driven roller or at both ends of the feeding belt in lateral direction. The brake pads can be pressed alternatively by pressing cams 6a to 6c connected symmetrically with each other. A selective drive means which drives by selecting a pressing cam corresponding to one or the other of the brake pad drives the pressing cams selectively based on the detected results of the meandering detection sensor. Thus the meandering can be prevented by adjusting the tension of the feeding belt.
Patent JP-H11173746-A (JP)
Title: Refrigerator
Inventor: YOKOUCHI HIROAKI
IPC: F25D23/00
Filed: 1997-12-11
Abstract: PROBLEM TO BE SOLVED: To contrive the cost reduction of a duct, the improvement of assembly work, and the improvement of strength, by injecting urethane foam into the space blocked by an outer board and an inner box so as to form the box of a refrigerator, and leading air from inside of the refrigerator to a chill supply room through the duct made at the section charged with urethane foam. SOLUTION: The chill cooled in a cooler 6 returns, by a fan 7 working, to a cooler room 11, passing through an air duct 9 and the air duct in a lower partition 5 after cooling a refrigerator 10, passing through an upper partition 4 from the cooler room 11 equipped with the cooler 6 and a fan 7. The duct 9 is set in an inner box 3 and the lower partition 5, but the inner box 3 and the lower partition 5 are fixed for their positions. Then, in the process of urethane form 8 foaming, foaming pressure is applied to the duct 9 at large, but since the surface is bellow-shaped, there is a little plane, there is no transformation caused by the foaming pressure though it is thin. Hereby, the cost reduction, the improvement of assembly work, and improvement of strength become possible.
Patent JP-H09178491-A (JP)
Title: Manufacture of piezoelectric vibrator
Inventor: ASHIDA KOKI
IPC: G01C19/56
Filed: 1995-12-27
Abstract: PROBLEM TO BE SOLVED: To provide a method of manufacturing a piezoelectric vibrator in which fluctuation of displacement differences Δf of respective vibration parts in a natural resonant frequency fafb thereof are less even after a piezoelectric vibration element is joined to a base, and which has a high output sensity. SOLUTION: A piezoelectric vibrator is composed of a piezoelectric vibration element 10 in which a drive side vibration part 1A composed of drive vibration branches 3, 4 formed therein with drive electrodes, an input branch formed therein with a drive input electrode and reinforcing branches, and a detection side vibration part 1B composed of detecting vibration branches 6, 7 formed therein with detection electrodes, an output branch formed therein with a detecting output electrode and reinforcing branches are integrally incorporated respectively with a pair of opposite end faces of a center coupling base part 2, and a base 20 on which the piezoelectric vibration element 10 is mounted.  In this arrangement, after the piezoelectric vibration element 10 is mounted on the base 20, the reinforcing branches 91 to 94 of the drive side vibration part 1A and/or the detection side vibration part 1B of the piezoelectric vibration element 10 are polished so as to finely adjust the frequency.
Patent JP-H06197418-A (JP)
Title: Gas-insulated switchgear
Inventor: TSUCHIYA MASATO
IPC: H02B1/015
Filed: 1992-12-22
Abstract: PURPOSE:To obtain a gas-insulated switchgear having improved workability, by making its fixing work only from its front side possible. CONSTITUTION:To support and fix the floor surface of the body of a gas insulated switchgear, shafts are inserted into the protrusions 3a of a channel base 3 from the front side, and fastened with shaft fixing bosses 5b. Next, the body of the gas insulated switchgear is fixed through the medium of the panel fixing bosses 6a of the channel base 3.
Patent JP-H06184619-A (JP)
Title: Hanging up type high efficiency molten steel treating equipment
Inventor: KUROKAWA NOBUHIRO
IPC: C21C7/00
Filed: 1992-12-22
Abstract: PURPOSE:To provide high efficiency molten steel treating equipment, in which the molten steel treatment in each ladle is efficiently executed and rotation cycle time of the treating work can be shortened. CONSTITUTION:This equipment is composed of a hanging-up device 3 for hanging the molten steel ladle 5 with a hook 4 attached to the molten steel treating equipment 1 at a treating position 7 in the molten steel treating equipment 1 on the travelling course of a truck 6 for sending the molten steel ladle before treatment and a truck 6' for removing the molten steel ladle after treatment and two sets of the trucks 6, 6' for carrying the molten steel ladle, freely travelling on the travelling course during hanging-up treatment of the ladle. Further, on the travelling course of the truck 6 for sending the molten steel ladle 5 to the treating position 7 and/or on the travelling course of the truck 6' for removing the molten steel ladle 5 from the treating position 7, the molten steel treating equipments 8, 9 having different to the molten steel treating equipment 1 are provided.
Patent JP-2001154983-A (JP)
Title: Contents providing device and mechanically readable recording medium stored with program
Inventor: SAIDA YOSHINORI
IPC: G06F17/30
Filed: 1999-12-01
Abstract: PROBLEM TO BE SOLVED: To prevent the look-ahead of useless contents in a gateway server interposed between a portable terminal and a contents server for acquiring contents, with which an acquisition is requested from the portable terminal, from the contents server and transmitting them to the portable terminal. SOLUTION: A divided contents providing part 14 transmits the contents, with which the acquisition is requested from a portable terminal 2, to the portable terminal 2 for the unit of divided contents for an information quantity that the portable terminal 2 can display. A look ahead means 17 looks ahead the other contents under reference from the divided contents transmitted to the portable terminal 2 from a contents server group 3 for the unit of the relevant divided contents and preserves them in a contents holding part 11.
Patent JP-H06196343-A (JP)
Title: Transporting method for transformer
Inventor: ICHIKAWA MOTOYASU
IPC: H01F27/02
Filed: 1992-12-22
Abstract: PURPOSE:To realize a method for transporting a large capacity transformer in which restriction on transporting can be avoided without increasing an installation size of a tank by separating a winding and a core by removing an upper yoke of the core, packing the winding with a moisture-proof film, incorporating them in special purpose transportation tanks for transportation. CONSTITUTION:An upper tank 4 is removed, an upper yoke 5 of a core is further disassembled, and contained in a special purpose transportation tank 6. Then, a winding 3 is removed from the core 2, packed with a moisture absorption preventive film 7, and then contained in a special purposed transportation tank 8. A core 9 in which the upper yoke is removed and a lower tank 10 are covered with a transportation temporary cover 11. After a content of a three-phase transformer and the tank are transported to an installation place, the tank 10 and the temporary cover are set on a foundation, the cover 11 is removed, the winding 3 is inserted into the core, the yoke 5 is assembled, covered with the tank 4, and then leads are connected.
Patent JP-H10186573-A (JP)
Title: Heat-developable diazo copying material
Inventor: HIGETA SHIGERU
IPC: G03C1/58
Filed: 1996-12-20
Abstract: PROBLEM TO BE SOLVED: To provide the heat-developable copying material capable of preventing precoupling during storage and forming a black image high in color development and highly reliable in storage stability for a long period by using a combination of a specified naphthol derivative and a specified anilido compound as coupler components. SOLUTION: The heat-developable copying material is provided with a photosensitive layer containing a diazo compound and a coupler layer containing a thermoplastic resin and the coupler components comprising the naphthol derivative (A) represented by formula I and the anilido compound represented by formula II and in formulae I and II, R is an aromatic or alicyclic group; X1 is an H or halogen atom or an acetyl or sulfo or alkoxy group; each of X2 and X3 is an H or halogen atom or an acetyl or sulfo or alkoxy or aryloxy group; and Y is a cyano or acyl group. A combination of a blue color developing coupler comprising the compound (A) and a yellow color developing coupler comprising the compound (B) is used in a A/B proportion of 1:0.5-5 by weight.
Patent JP-H06188695-A (JP)
Title: Information latch circuit
Inventor: SUYAMA TAKASHI
IPC: G01R31/28
Filed: 1992-12-22
Abstract: PURPOSE:To provide a general-purpose information latch circuit. CONSTITUTION:A clocked inverter 31 fetches data from its terminal D and NOT circuits 32 and 33 and a transfer gate 34 latch the input data. A transfer gate 35 switches an output of the latched data. NOT circuits 36 and 37 and a transfer gate 38 form a sequence circuit using an enable signal E to latch inputted data. Furthermore, the connection of the sequence circuit is released to output data in response to the data inputted at present. Moreover, a NOR circuit 21, an EXOR circuit 22, and NOT circuits 23 and 24 control the gates 35 and 38 in an inverted switching state to each other in time division in the 1st mode and control the gate 35 to be set and the gate 38 to be reset in the 2nd mode.