baber/WOPTO huggingface dataset:
Patent JP-H04275089-A (JP)
Title: Multiaxle driver and hydraulic rotating unit
Inventor: HASEGAWA MIKIO
IPC: H02P5/52
Filed: 1991-03-04
Abstract: PURPOSE:To provide a multiaxle driver which provide highly accurate synchronized driving even under nonstationary state. CONSTITUTION:The multiaxle driver comprises a plurality of motors M1, M2 for rotary driving a plurality of drive shafts 1, 2 synchronously, an encoder for detecting the rotational state of the driving shaft, and a rotary driving pulse signal generator. Furthermore, motor control circuits 3, 4 receiving the rotary driving pulse signal and a detection pulse signal from the encoder as a feedback signal are provided for respective motors. Each of the motor control circuits 3, 4 comprises a PLL control section and rotary angular phase matching sections 33, 43 wherein control loops for the rotary angular phase matching sections 33, 43 are formed in order to match the phases of the driving shaft to be synchronized upon turn ON of power thus matching the position between the driving shafts 1, 2.
Patent JP-S53120767-A (JP)
Title: Production of pellets of ethylene-vinyl alcohol copolymer
Inventor: YONEZU KIYOSHI
IPC: B29B9/00
Filed: 1977-03-30
Abstract: PURPOSE: To obtain pellets of uniform size continuously and stably without poor feed, by supplying a strand of saponified ethylene-vinyl alcohol copolymer to a cutter with a solvent. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S62195942-A (JP)
Title: Optical communication system
Inventor: ICHIKAWA IZUMI
IPC: H04B10/00
Filed: 1986-02-24
Abstract: PURPOSE:To attain the transmission/reception with less communication fault by providing a function totalling the light receiving quantity from plural photodetectors and forming a luminous quantity distribution to an optical receiver and feeding back the information. CONSTITUTION:A converged light 1 propagated in space at the reception side is collected by using optical systems 21-23 such as Fresnel lenses, the light signal is converted into an electric signal by photodetectors 24-26 such as pin photodiodes corresponding to each optical system to form a luminous quantity distribution. A controller 30 fetches the luminous quantity distribution stored in a memory 32 and sends the result as a control signal to a transmission tracking circuit 50 at the sending side as a feedback line 40, a photodetector 10 is subjected to tracking control and an optimum phase relation is always kept to the transmitter-receiver. Thus, the optical communication with less communication fault is executed.
Patent JP-S62195801-A (JP)
Inventor: NAKADA YUTAKA
IPC: F21S8/10
Filed: 1986-02-24
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S62195593-A (JP)
Inventor: NAGATOMI AKIZO
IPC: G21C13/00
Filed: 1986-02-24
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S53123039-A (JP)
Title: Detection circuit for signal voltage
Inventor: MANO TSUNEO
IPC: G01R19/165
Filed: 1977-04-01
Abstract: PURPOSE:To make it possible to obtain a voltage difference, which is larger than that when a signal voltage is supplied, between two signal terminals, by providing a transistor which has its drain and gate connected the 1st and 2nd signal terminals respectively.
Patent JP-H03240848-A (JP)
Title: Journal control system
Inventor: SHIRAISHI MASAMI
IPC: G06F12/00
Filed: 1990-02-19
Abstract: PURPOSE:To improve the continuous working properties of a data base system by setting an available journal storage means to a new present journal storage means when a detection means has no normal end and at the same time outputting again the contents of a buffer area that couldn't have a normal output to the new present journal storage means. CONSTITUTION:Plural journal storage means 1-1 to 1-n are provided together with plural buffer areas 9-1 and 9-2, and a medium fault detection means 5 which detects whether or not the output of an updated journal output means 3 which gives an output to the means 1-1, for example, that is set as a present means was normally through. If the normal end of the output is not detected by the means 5, the available means 1-2, for example, is set to the new present journal storage means out of those means 1-2 to 1-n except the means 1-1. Furthermore the contents of both areas 9-1 and 9-2 which couldn't be normally outputted are outputted again to the means 1-2.
Patent JP-S53124250-A (JP)
Title: Preparation of vitamin d3
Inventor: KATOU MITSUHIKO
IPC: C07C401/00
Filed: 1977-04-04
Abstract: PURPOSE: To obtain high purity vitamin D 3  in high conversion by photo-isomerizing 7-dehydrocholesterol in a specific solvent. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S55130528-A (JP)
Title: Intermittent exposure device of camera
Inventor: YASUKOUCHI HARUO
IPC: G03B15/16
Filed: 1979-03-31
Abstract: PURPOSE: To readily perform multiple exposure by making the case containing a rotary type shield curtain removable from the camera lens-barrel.  
     CONSTITUTION: An outer case 4 is sandwiched and fixed by way of a film frame 6 to the front of the camera lens-barrel 11, after which the inside case 3 assembled with a micromotor 7, ON-OFF switch 16 and rotary type shield curtain M having an exposure window P is built in. The exposure value of photographing is set to the lower limit value of the latitude of the film and with the nodal number of multiple exposure as the upper limit value/lower limit value, the rotating speed of the micromotor 7 is accurately controlled over a wide range, whereby a large number of multiple exposure is done on the camera film 13. Thereby, golf swings, pitching motions or behaviors of birds and animals are readily intermittently photographed outdoors. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H04332423-A (JP)
Title: Electric field emitting element
Inventor: ITO JUNJI
IPC: H01J21/10
Filed: 1991-02-08
Abstract: PURPOSE:To prevent formation of an oxidizing layer at the end of an emitter of a field emitting element so as to prevent a drop of an emission current, unstable operation and an increase of noise. CONSTITUTION:In a field emitting element 1 provided with an emitter 8, a gate 5 and an anode 9, the surface of the gate 5 is made of a material having bonding force to oxygen stronger than that of at least the end surface of the emitter 8. An oxygen atom emitted into the gate 5 is securely caught so that formation of an oxidizing layer in the emitter 8 can be restrained. If portions other than the emitter 8 are made of a material having bonding force stronger than that of the end surface of the emitter 8, an oxidizing layer is further hard to be generated at the end surface of the emitter 8.
Patent JP-S59162310-A (JP)
Title: Locker arm
Inventor: MIYAMURA NORIYUKI
IPC: F01M9/10
Filed: 1983-03-08
Abstract: PURPOSE:To eliminate necessity for use of any liner and thereby reduce the weight of a locker arm made of a light alloy and equipped with zero-lash adjuster, by furnishing an alumite layer impregnated with solid lubricant at the sliding part of locker arm with the zero-lash adjuster. CONSTITUTION:A locker arm 1001 is made of light alloy, and an alumite treated layer impregnated with solid lubricant is formed at the internal surface 1000a of cylinder 1000, with which the plunger of zero-lash adjuster slides. This treated layer serves enhancement of the lubricating performance, that will ensure smooth operation without resorting to a linear made of iron, copper, etc. Besides this, the weight of locker arm can be reduced.
Patent JP-S63207791-A (JP)
Title: Perpendicular chute
Inventor: KOIZUMI KENICHI
IPC: A62B1/20
Filed: 1987-02-23
Abstract: PURPOSE:To improve safety against a strong wind in an evacuation perpendicular chute at the time of an vessel accident by forming into a tube body the wide width portion of a chute main body which has the wide width portion and a narrow width portion and has unified meandering slide-down passage formations, and forming the narrow width portion into an approach passage. CONSTITUTION:When a chute main body 1 is thrown down onto the sea surface, the chute main body 1 and an approach passage 8 hang down along a ship's side and at the same time, gas is poured into a platform 2, which floats on the sea. And a first evacuee reaches the platform 2 by sliding down along a slide-down passage 12 in a zigzag. Next, the slide-down passage 12 of the approach passage 8 is made into a two division state through opening the fastener 18 of the approach passage 8 and an escape is done. And the 1st evacuee fixes a loop 81 to the platform with a rope, thus preventing the approach passage 8 from being swung by a wind or the like. Thus, safety against a strong wind or the like is improved.
Patent JP-S53123070-A (JP)
Title: Impurity diffusing method
Inventor: SATOU NORITADA
IPC: H01L21/223
Filed: 1977-04-02
Abstract: PURPOSE: To perform controlling of the surface concentration of diffused layers by using the Si substrates which have undergone dipping in diluted phosphoric acid, as an impurity source and changing the rate of dilution of phosphoric acid. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H02218022-A (JP)
Title: Separate type optical pickup device
Inventor: GOTO HIROSHI
IPC: G11B7/135
Filed: 1989-02-17
Abstract: PURPOSE:To normally perform the recording/reproduction of information by providing an optical axis correcting member to adjust the angle of incidence of light coming into an objective lens on an optical path between a beam splitter and the objective lens. CONSTITUTION:A deflecting prism 7 is bonded and fixed on the base 14 of a carriage 6, and auto-collimator (not shown in a figure) is arranged on the optical path of an objective lens side in the upper part of the carriage 6. Then, while the lens 8 is not used, the light emitted from a fixed optical system 1 at an inner/outer peripheral side is reflected by the prism 7 and its reflected light is observed by the auto-collimator. Several kinds of the lenses 13 different in their parallelism of a front and a back surfaces are provided, and the lens 13 to make the value of the auto-collimator below an allowable value when this lens 13 is inserted is selected. Then, the angle of incidence of the light coming into the objective lens 8 can be adjusted by bonding and fixing this lens 13 on the base 14 in the carriage 6.
Patent JP-S51113949-A (JP)
Title: Floating apparatus
Inventor: KOUNO MICHINAGA
IPC: B25J19/00
Filed: 1975-03-31
Abstract: PURPOSE: To provide a floating apparatus which can effect motions of two degrees of freedom so that it may be used even if the precision of the stop position of a work is not so high. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-S57150625-A (JP)
Title: Perfluoroalkyl group-substituted olefin compound and its preparation
Inventor: ISHIKAWA NOBUO
IPC: C07C17/269
Filed: 1981-03-14
Abstract: NEW MATERIAL:A perfluoroalkyl group-substituted olefin compound shown by the formula[R, R', and R" are H, alkyl, (substituted) phenyl].  
     EXAMPLE: 4,4-Bis(trifluoromethyl)-5,5,6,6,7,7,7-heptafluoro-1-heptene.  
     USE: Useful as an intermediate for synthesizing a various kinds of organic fluorine compounds.  
     PROCESS: Hexafluoropropene or perfluoro (2-methyl-2-pentene), its dimer, is reacted with an allyl halide (preferably allyl bromide) which may be replaced with alkyl group or substituted or unsubstituted phenyl group in the presence of a fluorine anion usually at room temperature W120°C in a solvent such as tetrahydrofuran, to give a compound shown by the formula. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S53123453-A (JP)
Title: Acrylic polymer solution having good fiber-forming proterty
Inventor: KOSEKI TERUO
IPC: C08F8/00
Filed: 1977-04-05
Abstract: PURPOSE: A specific compound is added to an acrylonitrile copolymer solution in an organic solvent containing cinyl compound bearing carboxyl group and vinyl compound bearing sulfonic acid groups to form said acrylic polymer solution with good coagulation property and resistance to clarity loss. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H05278963-A (JP)
Title: Apparatus for displaying arrival of elevator cabin
IPC: B66B3/02
Filed: 1992-02-26
Abstract: PURPOSE: To obtain easy recognition on direct arrival of a car of an elevator by impressing voltage selectively on several kinds of LED(Light Emitting Diode) during the time when the car draws near to a platform, and moves to an arrival point from a decelerating point. CONSTITUTION: When a calling button 1 is pushed at the prescribed floor, firstly a car is detected at a control means 11 by a door zone sensor 10 on whether or not the car is placed on the platform of the prescribed floor. When the car is not placed on the platform, the car is moved to the platform of the prescribed floor. At this time, only calling/registration signals are output to calculation/control section 13 from resist section 12. Therefore, only a green signal is output to a driving circuit 8, and an LED 2a for the green signals emits light, and then the calling button 1 is lighted. Next, when entering of the car in a decelerating point is detected, red signal is output, and an LED for the red signal 2b emits light, and the calling button 1 is lighted in red. When the car reaches a platform, lights are put out.
Patent JP-H04276192-A (JP)
Title: Compressor
Inventor: TAGUCHI TATSUHISA
IPC: F04B27/08
Filed: 1991-03-05
Abstract: PURPOSE:To suppress the vibration and noise by a muffler having the simple structure by forming the projection parts having holes as suction muffler and discharge muffler through the drawing molding, on a valve prate packing. CONSTITUTION:A suction chamber 12 having a plurality of suction valves 6 is arranged on the outer periphery of a discharge chamber 11 having a plurality of discharge valves 7. A valve plate packing 10 is installed in a nipped state between a valve plate 5 and a rear case 9. Projection parts 14 and 15 having holes 14a and 15a are formed through one drawing molding on the valve plate packing 10. Since each of the projection parts 14 and 15 forms a muffler space and absorbs each pressure variation of the suction gas and discharge gas, the reducing action for the vibration and noise can be performed.
Patent JP-H07247325-A (JP)
Title: Production of graft modified polymer
Inventor: MIYAJIMA YOSHIO
IPC: C08F261/00
Filed: 1994-03-09
Abstract: PURPOSE:To obtain a graft modified polymer while reducing the amt. of a homopolymer formed as a by-product to lower than that of the homopolymer formed in other graft polymn. methods such as the chain transfer method by grafting a radical-polymerizable vinyl monomer under the irradiation with ultraviolet rays in a wide temp. range from room temp. to a high temp. CONSTITUTION:A graft modified polymer is produced by grafting a radical- polymerizable vinyl monomer under the irradiation with ultraviolet rays onto a polymer which has benzophenone structures and is pref. obtd. by copolymerizing a vinyl monmomer with vinylbenzophenone or/and benzoylphenyl acrylate or/and benzoylphenyl methacrylate.
Patent JP-H11236650-A (JP)
Title: Ferritic stainless steel for engine exhaust member excellent in workability, intergranular corrosion resistance and high temperature strength
Inventor: MIYAZAKI ATSUSHI
IPC: C22C38/00
Filed: 1998-02-20
Abstract: PROBLEM TO BE SOLVED: To provide a ferritic stainless steel for an automotive engine exhaust system member excellent in all of primary and secondary workability, high temp. strength and intergranular corrosion resistance. SOLUTION: This stainless steel has a compsn. contg., by weight, <=0.02% C, <=3.0% Si,<=0.6% Mn, <=0.06% P, <=0.01% S, 2.0 to 20.0% Cr, <=1.0% Ni, 0.1 to 0.6% Nb, 0.05 to 1.0% V, <=0.020% Ti, 0.0002 to 0.005% B, <=0.05% Al and <=0.020% N, in which Nb and V are contained so as to also satisfy the relation of V>=-4.5Nb+1.05, and the balance Fe with inevitable impurities.
Patent JP-S55130735-A (JP)
Title: Postforming device
Inventor: ARAI TAKAFUMI
IPC: B29C45/00
Filed: 1979-03-31
Abstract: PURPOSE: To conduct smooth and efficient bending work by a method wherein a bending part is heated locally as a synthetic resin sheet is fed and then is bent in a longitudinal direction.  
     CONSTITUTION: A synthetic resin plate 1 under incomplete thermosetting conditions is transferred from a conveyor 5 to a forming one 6. Parts to be bent on a sheet 1 is heated locally by means of a bar heater 2 arranged above a transfer passage 7. While moving on a conveyor 6, the sheet 1 is drawn into a V-groove 8, bent and formed longitudinally with forming rolls 10. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H04277325-A (JP)
Title: Clutch operation device
Inventor: OWADA TOSHINOBU
IPC: F16D23/12
Filed: 1991-03-05
Abstract: PURPOSE:To let a driver know the time for requiring adjustment of a clutch play by detecting the clutch play. CONSTITUTION:A pedal shaft 9 is supported by a bearing ring 22 which elastically deforms. Deformation of the bearing ring 22 which occurs due to operation of a pedal 10 is detected by a first detection switch 26, and the position of the pedal 10 is detected by a second detection switch 27. An alarm lamp 28 glows when both switches 26 and 27 turn on.
Patent JP-S59163767-A (JP)
Title: Fuel cell
Inventor: KUMETA MASAO
IPC: H01M8/04
Filed: 1983-03-08
Abstract: PURPOSE:To enable a fuel cell to work despite little leakage of hydrogen gas by leading hydrogen gas leaking from the sealing areas of a cell stack which extend in the direction of the stacking and an inactive gas fed into auxiliary manifolds together outside the cell by attaching the auxiliary manifolds between adjacent manifolds in such a manner as to cover the sealing areas. CONSTITUTION:Auxiliary manifolds 11 are airtightly fixed between adjacent manifolds 5 and 6 in such a manner as to cover the sealing areas 7 between a cell stack 1 and the manifolds 5 and 6 which extend in the direction of the stacking. The upper and the lower surfaces of each auxiliary manifolds 11 are respectively provided with a lead-out pipe 13 and a lead-in pipe 15 which has a control valve 14. After the pipes 13 and 15 are respectively bundled up, the lead- in pipes 15 are connected to a source 16 of an inactive gas for example nitrogen gas and the lead-out pipe 13 is extended to a safety zone which is apart from the cell. A hydrogen-gas detector 17 for operating a control valve 14 provided in the above lead-in pipe 15, is installed in each auxiliary manifold 11 adjacent to the sealing area.
Patent JP-S58156940-A (JP)
Title: Organic photoconductor
Inventor: MATSUMOTO MASAKAZU
IPC: G03G5/06
Filed: 1982-03-13
Abstract: PURPOSE:To obtain a photoreceptor with high photosensitivity and superior durability by adding a specified phthalazin compound as an org. photoconductor to a photosensitive layer, especially the charge transferring layer of a laminate type photosensitive layer. CONSTITUTION:To a photosensitive layer is added a phthalazin compound represented by the formula  where each of A and A' is a (substituted) aromatic ring or a (substituted) heterocyclic ring, the substituent is lower alkyl, alkoxy, dialkylamino or the like, and each of R1-R4 is H, halogen, (substituted) alkyl or alkoxy  as an org. photoconductor. Especially, a soln. contg. the compound and a binder such as polycarbonate or polystyrene is applied to a charge generating layer contg. known Se-Te, CdS, disazo pigment or the like to form a charge tansferring layer. Thus, an electrophotographic receptor or the like with high photosensitivity, superior environmental stability and durability is obtd.
Patent JP-H11226324-A (JP)
Title: Filtration method
Inventor: MISUMI YOSHITERU
IPC: B01D61/14
Filed: 1998-02-20
Abstract: PROBLEM TO BE SOLVED: To peel off easily a turbid material caught by filtration from filter media by forming a first precoat layer comprising a triiron tetraoxide and a second precoat layer comprising an iron oxide selected from a group comprising diiron trioxide, iron(III) oxyhydroxide and hydrated iron oxide are formed on a surface of the filter media. SOLUTION: A condensing treater adopted suitable for filtration of a condensate and a drain effluent of a thermoelectric power station or the like is equipped with a filter device for removing an iron clad in the condensate, and a condensate desalinization device for removing an ion from the condensate. As filter media used for the filter device any shaped one such as a hollow thread, a cartridge microfilter, a plane membrane, etc., is used. Herein, a first precoat layer comprising triiron tetraoxide Fe3 O4 , and a second precoat layer comprising one kind or two or more kinds of iron selected from a group comprising diiron trioxide Fe2 O3 , iron(III) oxyhydroxide FeO(OH), and hydrated iron oxide Fe2 O3 .nH2 O are formed on a surface of the filter media to raise a peeling off performance of the caught turbid material.
Patent JP-H02217684-A (JP)
Title: Ring-shaped molded sealing
Inventor: KIJIMA SEIJI
IPC: F16J15/14
Filed: 1989-02-17
Abstract: PURPOSE:To enhance the sealing performance and easiness in executing works by filling a ring-shaped molding equipped with a plastic groove with two types of viscous sealing materials, chiefly consisting of rubber, in such a way as in two layers. CONSTITUTION:A ring-shaped molded sealing material B according to existing invention is used in sealing process for a packing type joint subjected to resin lining, particularly a mechanical pipe fitting, with respect to a tubing in connection therewith. This ring-shaped molded sealing material B is filled with hard seal 6 on the right side in a channel-shaped molding 5 and with soft seal 6' on the left side. Examples of the sealing material 6, 6' are polyisobutylene rubber, buthyl rubber, ethylene propylene rubber, nitril buthadiene rubber, etc., and the No. 1 layer shall preferably have a viscosity of 1X10<4>-1X10<6> poise and an adhesion force of 100g/cm or over while the No.2 layer have a viscosity of 1X10<3>-1X10<4> poise and an adhesion force of 10-100g/cm. This results in filling the voids with the two layers of sealing material, which enhances the filled-up property and easiness in executing the works.
Patent JP-S57163580-A (JP)
Title: Printing head
Inventor: HANAOKA SEIJI
IPC: B41J2/275
Filed: 1982-03-12
Abstract: PURPOSE:To reduce the power consumption while stabilizing the operation by arranging a coil frame having a step section and a retaining section partially in the inner diameter thereof and an iron core section adapted to position the coil engaging it on a wire dot type printing head. CONSTITUTION:In a wire dot type printing head designed to drive a wire with an electromagnet, a step section 141 and a retaining section 142 are provided on a coil frame 14 wound with a coil 15 and an iron section 11 adapted to position the coil frame 14 engaging the step section 141 and a mobile core 13 adapted to be selectively attracted to the core section are provided with in the coil frame 14. In addition, a wire support member 16 which imparts a wire 18 an impact force when the mobile core 13 is attracted to the core section 11 is provided connected to the mobile core while a spring member 20 is provided to separate the mobile core 13 from the core section 11 while the mobile core 13 is not attracted.