baber/WOPTO huggingface dataset:
Patent JP-S6192445-A (JP)
Title: Photodetector for optical disc device
Inventor: HARIKAE SHUNJI
IPC: G11B7/09
Filed: 1985-10-04
Abstract: PURPOSE:To improve the S/N of a tracking error signal by dividing a photodetecting plane newly in an optional direction into three, dividing further it into two, in total 6 divisions to decrease the adverse effect on focusing when minute spot light crosses a signal track. CONSTITUTION:The light beam irradiated from a semiconductor laser 1 changes its optical path vertically to this paper by a tracking mirror 5 and irradiated on a recording medium 7. The reflected light reflected from the recording medi um 7 changes the optical path in the same plane by a beam splitter 10 and is led to a photodetector 15 The photodetecting plane of the photodetector 15 is divided into total 6 photodetectors as the 1st detector E, the 2nd photodetec tor F, the 3rd photodetector G, the 4th photodetector H, the 5th photodetector I and the 6th photodetector J, and 6 amplifiers 16-21 are connected respectively to the photodetectors E-J. The amplifiers 22-26 are amplifiers to obtain the sum of the signals inputted to the amplifiers and the amplifiers 27, 28 are amplifiers to obtain the difference of the input signals.
Patent JP-H05147337-A (JP)
Title: Ink ribbon device
Inventor: SUZAWA HIROMITSU
IPC: H05F1/02
Filed: 1991-09-03
Abstract: PURPOSE:To provide an ink ribbon device, in which no static electricity is generated due to friction even by using a plastic film in the ink ribbon device employed for a wire dot printer used as an output device such as a computer. CONSTITUTION:In an ink ribbon device, to which an ink ribbon 11 formed by coating one surface of a plastic film 11a with ink is charged and in which the ink ribbon is fed, the ink ribbon device is constituted by providing an electrostatic generation preventive agent applying means 21 for coating the other surface of the plastic film 11a with an electrostatic generation preventive agent 20 for preventing the rubbing of the plastic film 11a with others and the generation of static electricity with ribbon-feed.
Patent JP-H1165228-A (JP)
Title: Electrifying blade, production thereof, electrifier and image forming device
Inventor: WADA NOBORU
IPC: G03G15/02
Filed: 1997-08-19
Abstract: PROBLEM TO BE SOLVED: To uniformly electrify the surface of a photoreceptor in an image forming device and to obtain a electrifying blade capable of attaining cleaning by providing an insulatable base body having a groove part and an electrifying part which is arranged in the groove part and has the property of a semiconductor. SOLUTION: The electrifying blade 1 is constituted to provide the insulatable base body 1b having the groove part and the electrifying part 1a which is arranged in the groove part and the property of the semiconductor. The electrifying part 1a is arranged in the groove part in the base body 1b and exposed to the surface of the electrifying blade 1, but not projected from the surface. Further, the electrifying part 1a has the properly of the semiconductor and as the row material of the base body 1b, conductive grains are dispersed in rubber or resin. The volume resistivity of the electrifying part 1a is made different according to the material quality of the surface of the photoreceptor, the kind of toner, etc., but generally, 10<4> -10<7> Ω.cm is preferable.  When the volume resistivity of the electrifying part 1a is <10<4> Ω.cm there is a possibility that leakage occurs because of an abnormal electric discharge. When the volume resistivity exceeds 10<7> Ω.cm, there is a possibility that electrification is not attained.
Patent JP-2001050161-A (JP)
Title: Gas transfer machine
Inventor: KOJIMA YOSHINORI
IPC: F04C29/00
Filed: 1999-08-05
Abstract: PROBLEM TO BE SOLVED: To make a gas transfer machine highly stable for even corrosive transfer gas and adaptive to a high speed operation by a compact structure. SOLUTION: In a gas transfer machine for transferring gas by performing a rotation operation for a rotor 1, a motor for driving the rotor 1 is provided with a member 11A for isolating a stator 6 and the inside of a motor rotor chamber 14. A motor rotor 7 has a structure that the rotor 7 is directly connected with an extension of a pump drive shaft 2 and the motor rotor 7 has a reluctance shape having a salient pole part of a magnetic material.
Patent JP-H1168532-A (JP)
Title: Electric power supply circuit
Inventor: MIZUNO FUMIAKI
IPC: H05B39/04
Filed: 1997-08-19
Abstract: PROBLEM TO BE SOLVED: To suppress rush current by utilizing the characteristics at the time of on-state of a semiconductor switching element. SOLUTION: When an FET 1 is off, a transistor Q3 is turned on and a charge is accumulated in a capacitor C1. When an on signal is outputted from an output terminal P3 of a switch control part 4, a transistor Q2 is turned on, the transistor Q3 is turned off, and the transistor Q1 is turned on. By off of the transistor Q3 and on of the transistor Q1, a delay circuit 31 which consists of a resistor R7 and the condenser C1 operates, a transistor Q1 is turned on gradually gently by this delay circuit 31, and thus an applying voltage to a gate of the FET 1 rises gradually. Accordingly, since an on-resistance at the time of switching on becomes high, a rush current of a lamp L is suppressed.
Patent JP-2000055043-A (JP)
Title: Double row bearing
Inventor: NAKAMURA KENJI
IPC: F16C41/00
Filed: 1998-08-06
Abstract: PROBLEM TO BE SOLVED: To reduce a cost by simplifying an assembling step. SOLUTION: In this double row bearing, a plurality of rolling body rows are provided between inner and outer races and a spacer 9 maintaining a leaving space of both rolling body rows is provided between the adjacent rolling body rows. A retainer 8 and the spacer 9 which one rolling body row 4 of the adjacent rolling body rows 3, 4 each other has are attachably/detachably connected by connecting means 12, 13 provided on at least one of the retainer 8 and the spacer 9.
Patent JP-H04103693-A (JP)
Title: Additive for coal-water slurry
Inventor: MIZUNO YASUNOBU
IPC: C09K23/16
Filed: 1990-08-23
Abstract: PURPOSE:To provide the subject additive containing a partially esterified product of a specific styrene/maleic acid copolymer, capable of stably dispersing coal powder in water at high concentration to form a dispersion having high fluidity and effective for suppressing the abrasion of especially a transportation pipe and a burner tip. CONSTITUTION:The objective additive contains a partially esterified product of a styrene/maleic acid copolymer produced by reacting (A) a styrene/maleic anhydride copolymer expressed by formula I ((l) is integer of 1-5; (m) is integer of 1-3; (n) is integer of 4-10), (B) a polyether derivative having a polyalkylene glycol chain and expressed by formula II (X is residue of a 1-4C compound having one active hydrogen atom; R is 3-8C alkylene oxide; (p) is integer of 0-10; (q) is integer of 10-200) and (C) a >=6C primary amine at molar ratios (A:B:C) of 1:(1-10):(1-3).
Patent JP-2001049600-A (JP)
Title: Production of pulp molded article
Inventor: NONOMURA AKIRA
IPC: D21J3/10
Filed: 1999-08-05
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a pulp molded article, by which the pulp molded article can be dehydrated with a simple installation in high dehydration efficiency without leaving the mark of a paper-making net on the surface of the molded article. SOLUTION: This method for producing a pulp molded article comprises accumulating pulp fibers on the paper-making surface of a paper-making mold 1 to form the non-dried molded article 7 in a wet state, and then charging a prescribed fluid into an air-permeable and expandable hollow core 8 to expand the core 8, thus pressing the non-dried molded article 7 to the surface of the paper-making mold with the expanded core 8 to remove water from the non- dried molded article 7.
Patent JP-H08129892-A (JP)
Title: Semiconductor memory
Inventor: IMAMIYA KENICHI
IPC: G11C29/04
Filed: 1995-08-31
Abstract: PURPOSE: To attain the high speed of an operation by making a data readout signal and a signal moving address signals synchronize with each other and shortening an operating time. CONSTITUTION: An address signal output circuit is constituted of address registers 101, 102, 103 outputting address signals A0 , A1 , A2 by controlling with the inversion signal PUL of a readout signal, the inversion of RE. Respective registers 101, 102, 103 output outputs OUTs becoming address signal outputs by performing gate controls, etc., by inputting signals INs. At this time, after signals INs become high levels and signals are lowered to low levels, outputs OUTs are reversed. Since the signal PUL is synchronized with the signal, the inverse of RE, the count-ups of addresses A0 , A1 , A2 in registers are completed witlst the signal, the inverse of RE is L and when the signal, the inverse of RE is H, next addresses are outputted to a decoder 4.  Moreover, the same signal PUL is inputted to the decoder 4 to control the decoder and at the point of time when the signal, the inverse of RE becomes L, data of registers 6 are transferred to I/O busses in a chip.
Patent JP-S60118466-A (JP)
Title: Grinding method using magnetic fluid
Inventor: TANI YASUHIRO
IPC: B24B37/00
Filed: 1983-11-29
Abstract: PURPOSE:To make it possible to grind and finish a work efficiently, by taking a grinding method, as the magnetic field of several magnets, which are arranged alternately as the N-pole is set next to the S-pole, is made to act on a magnetic fluid in which nonmagnetic grinding grain is mixed. CONSTITUTION:When five magnets 4 are arranged alternately as the N-pole is set next to the S-pole, and placed in the lower part of a vessel 6, the equi-magnetic field line a, formed by the power of each magnet 4, is shaped like a wavy line, as the wave though a' appears on the central part of each magnet 4 and the wave crest a'' appears on the borderline between two magnets 4. When the magnetic field gradient is made to act on a magnetic fluid 5 inside the vessel 6, nonmagnetic grinding grain in the magnetic fluid 5 is gathered to each wave trough a' of the equi-magnetic field line a. At this time, if the number of the magnets 4 is increased, the number of nonmagnetic grinding grain gathering parts in the magnetic fluid 5 is increased as the number of the wave troughs a' is increased, and the grinding efficiency is raised. If the width of the magnetic field is decreased, the amplitude of the wavy line of the equi-magnetic field line a is decreased, and the wave troughs a' appear closely. Consequently, the nonmagnetic grinding grain in the magnetic fluid 5 is distributed comparatively closely, so the grinding efficiency can be raised sufficiently.
Patent JP-2001050580-A (JP)
Title: Ceiling-embedded air conditioner
Inventor: TOGAMURA TOMIYASU
IPC: F24F13/32
Filed: 1999-08-06
Abstract: PROBLEM TO BE SOLVED: To reduce the number of parts and facilitate installation of an air conditioner by placing an air conditioner body in a rectangular ceiling opening made in a ceiling having joists, placing a support plate on a plurality of suspension hooks of the air conditioner body and fixing both ends of the supporting plate to the cradlings with the use of fixing means. SOLUTION: When an air conditioner body 1 is attached to a factory building unit, an first a support plate 8 is placed on a plurality of suspension hooks 5 of the air conditioner body 1, bolt through holes 6 of the suspension hooks 5 are superposed on the nuts 13 of the support plate 8, through which holes 6 hexagonal nead bolts 9 are inserted from below to fix the suspension hooks 5 to the support plate 8. Then the air conditioner body 1 is brought to face between the cradlings 7 and 7 in the vicinity of a ceiling opening 3 and the lower ends of the joist fixing portions 11 of the support plate 8 are temporarily positioned at the rear surface of a ceiling 2.  The air conditioner body 1 is brought to a predetermined position also with respect to the longitudinal direction thereof, thereafter screws 15 are screwed into the side surfaces of the cradlings 7 through the fixing holes 14 of the joist fixing portions 1 to fixedly mount the air conditioner body 1 onto the ceiling 2.
Patent JP-H0969374-A (JP)
Title: Socket
Inventor: SHIBATA MINORU
IPC: H01M2/10
Filed: 1995-08-31
Abstract: PROBLEM TO BE SOLVED: To enable the insertion of a terminal of an electric equipment with the weak force by providing a notch part in a socket main body on the side opposite to an extended piece of a contact having a flexible part. SOLUTION: At the time of inserting a terminal of an electric equipment from the end 23b side of a socket extended piece 23a so as to contact with a contact piece 23c, since a notch part 1c is provided in a main body on the opposite side of the extended piece 23c of the contact 2, in the case where a slide-contact position of the terminal and the contact piece 23c exists in the extended piece 23a side of a boundary 22a between a fixation part 22 and the extended part 23a, the extended piece 23a extended from the fixation part 22 of the main body 1 is bent to the other side of the boundary 22a so as to be housed in the notch part 1c.  Since a contact piece 23c, which is formed by bending the end 23b of the extended piece 23a to one side like a V-shape, is bent to the same direction with the extended piece 23a, the spring effective length of the contact 2 is prolonged, and a spring constant is reduced, and the terminal of an electric equipment such as a battery can be inserted by the weak inserting force.
Patent JP-H0647609-A (JP)
Title: Drilling tool stand
Inventor: HORI TSUGUO
IPC: B23B45/14
Filed: 1992-07-30
Abstract: PURPOSE:To provide a drilling tool stand with which a drilling work can be performed while automatically maintaining the prescribed pressing force. CONSTITUTION:A drilling tool stand comprises a fixed pole 3, an extension pole 4 slidably connected to the fixed pole 3, a pressing means 5 for pressing the extension pole 4 in the direction of extension and a drilling tool fixing means 6 set at the upper part of the extension pole 4, and the pressing means 5 has a compression cylinder 8, one end side of which is connected to the extension pole 4 and the other end side of which is connected to one end side of a control lever 12 as being turnable, respectively. The intermediate part of the control lever 12 is connected to the fixed pole 3 as being turnable, and the other end side is equipped with a grip part. A self holding means 57 for maintaining the situation of compression of the compression cylinder 8, is set between the control lever 12 or the compression cylinder 8 and the fixed pole 3.
Patent JP-S59113434-A (JP)
Title: Silver halide photosensitive material
Inventor: IIJIMA TOSHIBUMI
IPC: G03C1/825
Filed: 1982-12-18
Abstract: PURPOSE:To obtain the titled material having a filter layer, etc. not causing any adverse effect on photographic performance due to decoloration and elution during photographic processing by using a hydrophilic colloidal layer having microcapsules consisting of the core material of a dye and a substance soluble in an alkaline soln., as a shell material. CONSTITUTION:A silver halide photosensitive material has at least one hydrophilic collodial layer on a support, and this layer contains microcapsules consisting of a dye as the core material and an alkaline soln. -soluble substance, such as methacrylic acid methacrylate copolymer, as the shell material. A photosensitive material having a filter layer and/or an antihalation or irradiation preventing layer is obtained. It does not cause any adverse effect on photographic performance due to single decoloration or elution during photographic processing.
Patent JP-H0885535-A (JP)
Title: Decorative box
Inventor: AIKO KAZUHIKO
IPC: B65D5/4805
Filed: 1994-09-19
Abstract: PURPOSE: To shorten working hours required for assembly. CONSTITUTION: When a decorative box 10 folded into a flat state is recovered to a solid, side plates 12a, 12b are made to stand. When the side plate 12a stands up, a position regulating part 16 in inner contact with the plate 12a is pushed to stand up simultaneously so that a lower end of the regulating part 16 comes into contact with a bottom plate 11, and a vertical partition 15 is placed at a predetermined position distant from the bottom plate 11. Thus time required for assembly can be shortened.
Patent JP-S6466913-A (JP)
Title: Ignition coil
Inventor: HABAGUCHI MASAYUKI
IPC: H01F38/12
Filed: 1987-09-07
Abstract: PURPOSE:To increase magnetic energy capable of being extracted from a core, to reduce the sectional area of the core and to miniaturize and lighten ignition coil itself by previously generating magnetic flux in the direction opposite to magnetic flux generated by conducting a primary coil when the magnetic flux is generated by conducting the primary coil. CONSTITUTION:A permanent magnet 32 is arranged in an air gap section 26 between the end sections of the main body section 10a of a core and an inserting section 10b as a flux generating means. When a primary coil 14 wound on the core 10 is supplied with supply voltage from a battery 40 and currents are interrupted by a switch 42 consisting of a contact-point or an igniter or the like, high voltage is generated in a secondary coil 19, and a spark is generated in a discharge section 44. Magnetic flux PHIm is generated by the permanent magnet in the direction (b) opposite to the direction of generation (a) of the magnetic flux PHIc of the primary coil generated by connecting the switch 42 by inserting the permanent magnet 32 to the core 10. The core 10 generates magnetic flux PHIc in the positive direction while receiving magnetic flux -PHIm in the negative direction, thus generating the variation of the magnetic flux of PHIc-(-PHIm)=PHIc+PHIm, then making the variation of magnetic flux larger than conventional devices only by PHIm.
Patent JP-S6379371-A (JP)
Title: Manufacture of semiconductor integrated circuit device
Inventor: SAIKOU YASUHIKO
IPC: H01L27/10
Filed: 1986-09-24
Abstract: PURPOSE:To enhance the integration density of a memory cell, by alternately forming field insulating films at a memory cell part and a peripheral circuit part by selective oxidation or etching. CONSTITUTION:An oxidation preventing film 3 on an insulating film 2 is patterned into a specified shape. With the film 3 as a mask, a semiconductor substrate 1 undergoes selective oxidation. Thus, field insulating films 4a and 4b having the same thickness are formed at a memory cell part (b) and a peripheral circuit part (a). In this way, the length of the bird' s beak of the film 4b can be made small. Therefore, the effective area of the memory cell part can be made large. Thereafter, the surface of the memory cell part is covered with an oxidation preventing film 5. With the film 5 as a mask, the substrate 1 undergoes selective oxidation. Thus, the thickness of the field insulating film 4a at the peripheral circuit part is increased, and the required thickness is obtained at the peripheral circuit part.
Patent JP-S6284467-A (JP)
Title: Disk file device
Inventor: TAKESUE JUNICHI
IPC: G11B17/28
Filed: 1985-10-09
Abstract: PURPOSE:To shorten the time required for replacing a disk and to reduce impact applied to a player at the time of loading by stopping or decelerating a disk conveyance part before a player part only when a disk is loaded. CONSTITUTION:The disk conveyance part 12 is moved and stopped before the player part, for instance, a disk insertion port. Then an F/R switching circuit is set to an RVS and simultaneously the disk conveyance part 12 is approached to the player part 2 at a low speed. When the disk conveyance part 12 is accelerated after a fixed time elapsed, a drive voltage generator circuit instantaneously raise a drive voltage, whereas a drive motor 16 does not instantaneously rise. Accordingly, the disk conveyance part 12 reaches the player part 2 during acceleration. Since said part 12 is still at a low speed, impact is small. The drive voltage generator circuit outputs a voltage driving the disk conveyance part 12, and a large drive voltage is generated in a drive circuit 55.
Patent JP-H04258367-A (JP)
Title: Method and device for cleaning powder and particles
Inventor: HANSU KURAUSU SHIYOTSUTO
IPC: B07B9/00
Filed: 1991-08-09
Abstract: PURPOSE: To clean the particle surfaces of contaminated powder and granular materials, particularly thermally reconditioned used molding sands without the particle destruction thereof although these surfaces contain undesirable particulates, such as carbonized resins, additives and chamotte. CONSTITUTION: The method is to load gas under superoverpressure (=pressurized gaseous flow) on the powder and granular materials to be cleaned or recleaned, putting the powder and granular materials 2 into a fluidized state by such loading of the pressurized gas, preventing the particles from receiving impact load or collision load by a fixedly arranged wall or movable wall and executing the cleaning only by the abrasive property or frictional surface stress of the particles. Or the apparatus is equipped with a vessel 3 having a powder and granular material inlet and a powder and granular material outlet. This vessel has a gas permeable inflow bottom 5 for the purpose of forming a fluidized layer 8.  The apparatus is connected to a pressurized gas source arranged upper than the inflow bottom and has at least one nozzle 9 directing this pressurized gas stream toward the inside of the fluidized bed.
Patent JP-H0543534-A (JP)
Title: Phenyl ether derivative and its production
Inventor: IMADA SATOSHI
IPC: C07C259/10
Filed: 1991-08-09
Abstract: PURPOSE:To provide the new compound, while having in itself herbicidal activity, also useful as an intermediate for industrially producing in high yield phenyl ethers highly useful as herbicides using more inexpensive raw materials. CONSTITUTION:The objective compound of formula I (X and Y are each halogen; R is lower alkyl), for example, (E),(Z)-methyl-2-nitro-5-(2,4-dichloro-3- methylphenoxy)benzohydroximate. The present compound can be obtained by reaction between a compound of formula II and hydroxylamine. The present compound, which gives high herbicidal activity at a low level of application with a broad herbicidal spectrum, is useful as an intermediate for industrially producing a compound of formula III (R<1> and R<2> are each H or lower alkyl, R<2> is also agriculturally soluble salt ion) favorably selective for main crops.
Patent JP-2000038384-A (JP)
Title: Production of glutaraldehyde monoacetal
Inventor: TANAKA YASUTAKA
IPC: C07D321/06
Filed: 1998-07-23
Abstract: PROBLEM TO BE SOLVED: To obtain the subject monoacetal compound in a high yield by specifying an initial distillation temperature on isolating glutaraldehyde monoacetal by a distillation from a crude reaction liquid obtained after reacting dihydropyranes with a diol. SOLUTION: This glutaraldehyde monoacetal of formula II is obtained by reacting 2-Y-3, 4-dihydro-2H-pyrane of formula I (Y is hydroxy, an alkoxy or the like) or its nuclear-substituted derivative with a diol of the formula: HOROH [R is a 1-10C (un) saturated hydrocarbon], (suitably ethylene glycol or 1, 2-propylene glycol). In isolating the compound of the formula II after the reaction, an initial distillation operation for removing a low boiling component from the crude reaction liquid, is conducted while maintaining the temperature of the distillation bottom liquid at 100-200 deg.C, preferably at 130-180 deg.C. The reaction of the compound of the formula I with the diol, is preferably performed by using a sulfonic acid type cation exchange resin as a catalyst at 30-150 deg.C. The distillation of the crude reaction liquid is preferably performed after the removal of the catalyst.