baber/WOPTO huggingface dataset:
Patent JP-H01321868-A (JP)
Title: Pwm electric power converting device and control thereof
Inventor: MATSUI TAKAYUKI
IPC: H02M7/48
Filed: 1988-06-24
Abstract: PURPOSE:To absorb ripple current by a method wherein a series resonance circuit is provided in parallel to a smoothing capacitor and the frequency of carrier wave for PWM control is controlled so as to minimize the ripple current. CONSTITUTION:A PWM inverter 6 converts DC voltage from a DC power source 1 into AC voltage and is constituted of a self arc-extinguishing element TUP, connected through Graetz connection, and a feedback diode DUP, connected in anti-parallel to the element TUP, to drive an induction motor 7. The PWM inverter is provided with a speed commanding circuit 15, a voltage- frequency converter 14, a voltage commanding circuit 13, comparators 12U, 12V, 12W, a gate circuit 11 and an oscillator 10. In this case, a series resonance circuit 18 is constituted of an inductance 4 and a capacitor 5 and is connected in parallel to a DC power source 1 to detect the current of a smoothing capacitor 2 by a detector 3. A frequency command to minimize ripple element is operated through a filter circuit 8 and a tracking control circuit 9 to add it to said oscillator 10. According to this method, the ripple element may be absorbed by the resonance current of the resonance circuit 18.
Patent JP-H113816-A (JP)
Title: Electro-magnetic lock device
Inventor: KONDO TAKESUKE
IPC: E05B47/00
Filed: 1997-06-12
Abstract: PROBLEM TO BE SOLVED: To provide a electro-magnetic lock device wherein a moving iron core in a cold district or in a magnetic field it, extremely low temperature is prevented from frozen. SOLUTION: A lock device 1 comprises a main body case 2 and a fixed iron core 4 attached to the main body case 2. In the main body case 2, a magnetic coil body 8 to be formed as a hollow object is allocated, and on one side inside the magnetic coil body 8, an axis part 4a of the fixed iron core 4 is inserted and fixed, while on the other side, a moving iron core 10 which can move against the fixed iron core 4 is allocated. The fixed iron core 4 comprises a threaded hole attached to a to-be-attached member, while a tapered female part 4b is formed inside the axis part 4a. The moving iron core 10 is provided with a slide part 10a and a tapered male part 10b to be engaged with the female part 4b of the fixed iron core 4, and attached to the fixed iron core 4 through an excited magnetic coil 7 of the magnetic coil body 8.  The moving iron core 10 is attracted for a current to continue to flow while the slide part 10a protruding outside the fixed iron core 4, with the moving iron core 10 accumulating heat. Thus, the moving iron core 10 does not freeze even under a cold environment.
Patent JP-S6314068-A (JP)
Inventor: YAMADA TETSURO
IPC: F25D11/02
Filed: 1986-07-01
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-H09320946-A (JP)
Title: X-ray absorber of mask for x-ray lithography and its manufacture
Inventor: INOUE HITOSHI
IPC: G03F1/22
Filed: 1996-05-27
Abstract: PROBLEM TO BE SOLVED: To prevent a temperature rise at the formation of an absorber film, to reduce the internal stress, and to facilitate pattern formation by using an X-ray absorber of a mask for X-ray lithorgraphy composed of osmium. SOLUTION: An X-ray mask has a donut-shaped silicon ring 2 fixed onto a donut-shaped supporting frame 1, and an X-ray absorber pattern 4 formed on a supporting film 3 composed of silicon carbide, silicon nitride, etc., formed on the silicon ring 2. Here, the X-ray absorber pattern 4 is composed of osmium. It does not matter at all even if the X-ray absorber contains different kinds of elements, so long as it contains osmium. since osmium absorbs X-rays. Consequently, it becomes possible to prevent a temperature rise at the time of forming an absorber film, to reduce the internal stress, and to facilitate pattern formation as well.
Patent JP-S6048489-A (JP)
Title: Corrosion resisting coated tube type condenser
Inventor: TAKI TAKAMITSU
IPC: F28B1/06
Filed: 1983-08-26
Abstract: PURPOSE:To prevent corrosion of a cooling tube without excessively reducing the cooling surface area of the entire part of the condenser by coating cooling tubes with a corrosion-resisting material. CONSTITUTION:The low melting point medium of the low melting point medium condenser (for example, fron or the like) which is decomposed when heated at high temperatures, and chlorine is separated from the medium and is combined with hydrogen in the moisture contained in air leaking into the condenser and converted into hydrochloric acid. The hydrochloric acid adheres to the surfaces of the cooling tubes and corrodes the surface of the cooling tubes. That is, since air containing moisture which is not condensed in the condenser is collected in an air cooling tube nest, and extracted through an air extracting tube 22, a large amount of moisture is contained in air in the vicinity of the cooling tubes in the air cooling tube nest. Hence, hydrochloric acid tends to be produced, and the cooling tube in the air cooling tube nest is liable to be corroded in its entirety. Accordingly, the entire cooling tube 10 in the air cooling tube nest 21 is flattened and is coated with a corrosion resisting coating material (such as Teflon) so as to prevent corrosion.
Patent JP-S5581922-A (JP)
Title: Surface water intake apparatus for reservior, etc.
Inventor: SUGAMA AKIYOSHI
IPC: E02B7/32
Filed: 1978-12-18
Abstract: PURPOSE: To enable the effective intake of the surface layer water of high temperatures when surface water of lake, swamp, reservoir, etc. is takne in.  
     CONSTITUTION: The constituents thereof are float 2 having sharp-pointed element 1 and intake basin 5 equipped with funnel-shaped intkae part 4 connected to intake tube 3. The lower surface 6 of the aforementioned float 2 is curved upwards and is curved downwards from part 14 equivalent to the stem of sharp-pointed element 1. The upper surface 7 between the external circumference of intake basin 5 and intake part 4 is tapered upwards and downwards at dividing part 16. Required water intake can be accomplished by application of intake part designed in this way. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H095220-A (JP)
Title: Fatigue crack introducing method for disc-like testpiece
Inventor: NAKANISHI YUKINORI
IPC: G01L1/00
Filed: 1995-06-21
Abstract: PURPOSE: To facilitate a verifying test, to increase the applied field and to improve the testing accuracy by giving a tensile stress to the position under test by a centrifugal force, and introducing a fatigue crack. CONSTITUTION: A disc-like testpiece 2 is rotated at a high speed, a centrifugal force is operated at the position X under test of the testpiece 2, and an internal stress is generated at the position X under test by the tensile force based on the centrifugal force. The magnitude of the centrifugal force is set by the rotating speed of the testpiece 2, and when the rotating speed is varied as required, the repetitive stress is given to the position X under test upon change of the centrifugal force. The tensile stress is concentrated near a notch Y, and the fatigue rack generated at the position X under test is gradually grown. The repetitive stress is set by the repetition of the rotating and non-rotating states in addition to the magnitude of the moment of inertia of an inertial body 15 and the fluctuation of the number of revolutions.  The shape change part where the thickness is reduced and an artificial notch Y are formed at the position X under test, and hence the tensile force operating between a rotor 2a and the element 15 is concentrated at the position X under test.
Patent JP-S5678240-A (JP)
Title: Method and device for underwater signal transmission
Inventor: IZAWA TATESHI
IPC: H04B5/00
Filed: 1979-11-30
Abstract: PURPOSE:To eliminate the need to elevate and lower a wire during a measurement by forming loop circuit of water and an insulation-coated conductor in the water by making both ends of the conductor conductive with the water and by electromagnetically coupling a coil, wound around a ring-shaped magnetic body that and the  conductor penetrates, with the loop circuit. CONSTITUTION:Wire 3 is led out of reel 2 mounted on vessel 1 into the water with sinking set 4 fitted to its leader and while fin 5 with a streamlines cross section is fitted at the intermediate part, sounder 9 is arranged in the center. This wire 3 is provided with an insulation-coated conductor insulated from conductor 6, which is connected to vessel 1 at its base part 6a to get conductive with water (a) while the coating is peeled off at the other end 6b, so that loop circuit 10 of conductor 6 and water (a) will be formed. Then, conductor 6 is connected to the 1st transmission- reception part 12 via coupling part 11 provided to vessel 1 and also connected to the 2nd transmission-reception part 14 via the 2nd coupling part 13 provided to sounder 9 in the water. Then, junction part 13 is composed of coil 16 and ring-shaped magnetic body 15 that wire 3 penetrates, so that the need to elevate and lower wire 3 in a measurement will be eliminated.
Patent JP-2000345450-A (JP)
Title: Dust removing apparatus of flat knitting machine
Inventor: MORIGUCHI SAICHIRO
IPC: B08B5/04
Filed: 1999-06-02
Abstract: PROBLEM TO BE SOLVED: To provide a dust removing apparatus of a flat knitting machine, which enables dust removing motion of a suction pipe to be set independently of a carriage and enables the wear, damage or the like on a belt transferring the suction pipe to be reduced. SOLUTION: In a dust removing apparatus of a flat knitting machine where a ring-like belt 8 is wound around rollers 7 located at both ends of a front opening-type suction box 6 attached to a flat knitting machine, a suction pipe 9 is attached to the belt 8 on the front side of the box 6 and a suction device 13 is coupled with the box 6, this apparatus is equipped with a driving means 10 for driving the rollers 7 to rotate and a controller 2 for controlling the drive of the means 10 independently of a knitting operation.
Patent JP-S6218301-A (JP)
Title: Steel radial tire
Inventor: KAIDO HIROYUKI
IPC: B60C11/00
Filed: 1985-07-16
Abstract: PURPOSE:To improve the adhesiveness between a steel cord and the coated rubber by specifying the distance between the boundary surface of a tread rubber layer and the steel cord in a steel belt layer contiguous to the tread rubber layer and the total sulfur content in the coated rubber of the tread rubber layer and the steel belt layer. CONSTITUTION:In a steel radial tire, steel belt layers 2a and 2b consisting of a plurality of steel cords 3a and 3b and coated rubber 4 are arranged inside a tread rubber layer 1, and further carcass layers 5 and liner layers 6 are superposed in succession inside. An eccentric thick part H is set in the steel belt layer 2a contiguous to the tread rubber layer 1. In the above-described constitution, the distance between the steel cord 3a in the steel belt layer 2a and the tread rubber layer 1 is set (a), and the total sulfur content in the tread rubber layer 1 and the coated rubber layer 4 is set ST and SC, respectively, and then the following relation should be satisfied; 0.6mm<a<20mm, ST>1.0wt%, 2.8 wt%<SC<3.6wt%, SC/ST>1.8.
Patent JP-S5677615-A (JP)
Title: Combustion controlling system
Inventor: MAEHARA NAOYOSHI
IPC: F23N5/00
Filed: 1979-11-29
Abstract: PURPOSE:To provide a combustor capable of making the exhaust gas clean and controlling the level of combustion continuously through provision of a constant-current unit, a combusting air controlling unit and a unit for controlling the datum  signal of combusting state. CONSTITUTION:In a combustion controlling system, there are provided a constant- current controlling unit 35 for controlling the level of constant current, a combusting air controlling unit 34 for controlling the amount of combusting air to be supplied,  and a unit 36 for controlling the datum signal of combusting state which is adpated  to change the datum signal of combusting state. In such an arrangement, an output  signal of a combustion detecting means 6 is given to the unit 36, and the output  signal of the unit 36 is in turn given to a combustion controlling unit 27 for controlling the on-off ratio of a fuel supply pump. The value of constant current passed  in a pump driving unit 32 is controlled by a constant-current contolling unit 35, and  the flow rate of combusting air is controlled continuously by the combusting air  controlling unit 34. With such an arrangement, it is enabled to change the level of combustion continuously to an extremely low level and also to render the exhaust  gas clean.
Patent JP-S6047829-A (JP)
Title: Fuel supply control method for diesel engine using two kinds of fuel
Inventor: AMAMIYA YOUZOU
IPC: F02M25/00
Filed: 1983-08-24
Abstract: PURPOSE:To prevent drop of the engine output, by reducing the injection quantity of liquid fuel at a specific rate within a range of the throttle valve opening greater than a prescribed value, and supplying gas fuel instead thereof in case of drawing gas fuel into liquid fuel in a diesel engine. CONSTITUTION:When an engine switch 8 is turned ON, a solenoid valve 12a is opened. Further, when an accelerator pedal 6 is depressed, a link rod 7 is moved in the direction shown by an arrow in the drawing and a limit switch 10 is turned ON by an actuator 11, so that an injection-quantity controller 9 is set into operation and an injection pump lever 19 is retracted. At the same time, a solenoid valve 12b is opened and gas fuel such as LPG, LNG or the like is drawn into an engine 1. Here, the injection quantity of liquid fuel is reduced by 10-35% within the range of the throttle-valve opening greater than a prescribed value where the concentration of black smoke contained in exhaust gas is raised, and instead thereof, gas fuel such as LPG, LNG or the like is supplied to the engine. By thus reducing emission of black smoke, it is enabled to raise the thermal efficiency of the engine and to prevent knocking of the same.
Patent JP-H04352912-A (JP)
Title: Vessel
Inventor: MIZOGUCHI KYOKO
IPC: B65D43/04
Filed: 1991-05-30
Abstract: PURPOSE:To prevent a lid body from being detached from a vessel, upon a rise in the internal pressure of the vessel, and eliminate a concern about an unpleasant sound, a partial fracture or the like due to the pulsation of the lid body by providing both of the vessel and lid body with release prevention sections comprising mutually and freely engaged recesses and projections, or the like. CONSTITUTION:A collar 2 is provided inside a porcelain vessel body 1, and a recess 3 is so formed in the collar 2 as to permit the engagement and insertion of the release prevention section 6 of a lid body 4. Also, a ring-shaped projection 5 is provided below the lid body 4 inside, and the end of the projection 5 is provided with a release prevention section 6 to be engaged and inserted in the recess of the collar 2 of the body 1, and capable of free engagement with the collar 2. In addition, an interference body 7 is so fitted as to surround the external surface of the section 6. According to this construction, the lid body 4 can be prevented from being detached, when the internal pressure of the vessel rises, and concern about the occurrence of a unpleasant sound and a partial fracture, due to the start of the pulsation of the lid body 4, can be eliminated.
Patent JP-S5487805-A (JP)
Title: Interpole core supporting device for dc motor
Inventor: HATSUTORI TOSHIO
IPC: H02K1/10
Filed: 1977-12-26
Abstract: PURPOSE: To increase the stability of the interpole against external forces, by mounting the interpole core to the interpole supporting plates placed on the opposite  sides of the interpole, and forming the interpole supporting plates integrally with  the yoke-end-plates.  
     CONSTITUTION: Opposite end surfaces of the laminated yoke 2 and opposite end surfaces of the interpole core 7 are caused to be in the same planes, and the circumferential portions of the yoke-end-plates 4, where the interpole core 7 exists, are extended onto the end surfaces of the interpole core 7 to form inerpole supporting plates 15. These interpole supporting plates 15 are placed on the opposite surfaces of the interpole core 7 which is then mounted to the interpole supporting plates 15 by means of interpole supporting bolts 16 and reinforced thereby. Thus, since the interpole supporting plates 15 are formed integrally with the yoke-end-plates 4, the rigidity of the interpole core 7 in the circumferential direction is increased so that the load applied to the interpole mounting bolts 16 is reduced and the stability of the interpole core 7 against external forces can be increased. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H0242079-A (JP)
Title: Fused pyrimidine derivative and its production
Inventor: UIRIAMU JIYON KOOTESU
IPC: C07D487/04
Filed: 1989-06-16
Abstract: NEW MATERIAL: Condensed pyrimidine deriv. of formula I (wherein formula II is a ring of formulas III, IV, V and VI; R 1  is a 1-6C alkyl, a 2-6C alkenyl, a 3-5C cycloalkyl-1-6C alkyl, etc., R 2  is a 1-6C alkylthio, a 1-6C alkylsulfonyl, a 1-6C alkoxy, hydroxy, H, hydrazino, etc., R is H and it can be hydroxy when R 2  is hydroxy).  
     EXAMPLE: 2-(2-Propoxyphenyl)pyrido[2,3-d]pyrimido-4(3H)-one.  
     USE: A depressant for calmodulin-insensitive cyclic GMP phosphodiesterase and being useful as a bronchodilator. It has antiallergic activity and is also useful for hives, etc. In addition, it is also useful as a vasodilator.  
     PROCESS: E.g. a compd. of formula VII (wherein L' is a substitutable group) is cyclized to obtain the compd. of the formula I. 
     COPYRIGHT: (C)1990,JPO
Patent JP-H01322013-A (JP)
Title: Scattering preventing method of riprap on inclined bank
Inventor: MARUYAMA HITOSHI
IPC: E02B3/06
Filed: 1988-06-23
Abstract: PURPOSE:To prevent scattering of ripraps and its collapse due to wave by covering at least the portion under a static water surface of the outer face of an inclined bank with metallic gauze and chains for weight, and its portion above the surface with permeable fiber cloth and chains for weight. CONSTITUTION:The main body 1 of an inclined bank formed of ripraps 2 piled up thereon has a permeable fiber sheet 3 covering the outer face of head portion thereof up to the respective neighbourhoods of a static water surface via its inclined face (a) on a wave incident side and its inclined face (b) on a filling side. And chains 4 for weight are mounted on the sheet 3. Then gauze 5 made of metallic line materials continuously covers the sheet 3 from a position above the lowest portion of the wave incident side inclined face (a) up to a position under the static water surface on the filling side inclined face (b). Then chains 6 for weight are mounted on the gauze 5 and fixed thereto. These chains 6 are installed at regular intervals and parallel to the normal line of the inclined bank, and doubled in the area under the static water surface where ripraps scoured in the vicinity of the water surface are apt to be accumulated.
Patent JP-S5858390-A (JP)
Inventor: SHIIHARA YOSHIO
IPC: E21B19/08
Filed: 1981-09-29
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-S5945029-A (JP)
Title: Method for controlling position of coil end in coiler
Inventor: MURAKAMI HISAO
IPC: B21C47/02
Filed: 1982-09-07
Abstract: PURPOSE:To perform carrying and inspection smoothly by stopping the reel so that the tip of a coil always come to a desired zone position. CONSTITUTION:The gate of pulse counter of the first pulse generator 7 is opened when the tip of a wire rod arrives at a hot steel detector (HMD) for detecting the tip. When the set pulse coincides with count pulse, the coincidence output is interrupted into the second pulse counter of the second pulse generator. The number of pulses at the time of interruption is read, and corresponding angle of rotation to the Y-line of coordinate axis is operated from the number of pulses per rotation of the reel 4, and the ground rotation angle of the reference position is calculated. Then, the presence of the tip of the coil is judged. Thereafter when the number of pulses counted by the second pulse counter coincides with the number of pulses when reference position arrives at a stop position, the reel is braked and stopped.
Patent JP-H104261-A (JP)
Title: Multilayer wiring substrate
Inventor: HAYASHI TOYOJI
IPC: H05K3/38
Filed: 1996-06-17
Abstract: PROBLEM TO BE SOLVED: To avoid the release between an organic resin insulating layer and a thin film wiring conductor. SOLUTION: Within a multilayer wiring substrate wherein organic resin insulating layers 2 and thin film wiring conductors 3 are alternately laminated on an insulating substrate 1 while the thin film wiring conductors 3 positioned above and below are connected through the intermediary of the through hole conductors 6 coating the inner walls of through holes 5 provided in each organic resin insulating layers 2, the surface requirements of the thin film wiring conductors 3 are specified as follows, i.e., the central line mean roughness (Ra) is to be 0.05μm<=Ra<=5μm, the count value of irregularity level at the surface length of 2.5mm is to be 0.01μm<=Pc<=0.1μm exceeding 30,000, 0.1μm<=Pc<=1μm is to be 3,000-10,000, 1μm<=Pc<=10μm is to be not exceeding 500 each.
Patent JP-S6047539-A (JP)
Title: Telephone calling system
Inventor: MATSUMOTO MITSUSHI
IPC: H04M3/02
Filed: 1983-08-26
Abstract: PURPOSE:To allow an origination side to know immediately whether a called subscriber is present or not, and prevent persons near the termination-side telephone set from being interrupted in working by informing the calling subscriber of presence/absence information automatically without the sounding of the termination-side telephone set. CONSTITUTION:The telephone set 21 at the termination side which receives a call signal from a transmission line 30 stops the operation of a bell sounding part 26 temporarily by a control part 24, and information in an absence information storage part 36 is read out and sent to the origination side through an interface part 25. Answer information sent from the origination-side telephone set is transmitted to the control part 24 through the interface part 25, a modem 33, and an encoding/decoding part 34. Consequently, the control part 24 controls the bell sounding part 26 to put the bell in operation. When selection information is divided into several pieces, the bell sounds differently corresponding to individuals.
Patent JP-H02229483-A (JP)
Title: Apparatus for regulating power of laser diode
Inventor: SASAKI GIICHI
IPC: H01S5/068
Filed: 1989-06-19
Abstract: PURPOSE:To enable light-emitting power of a laser photodiode contained in a unit to be controlled (regulated) only by selection and operation of a selecting means such as a DIP switch or the like, by adapting the regulating apparatus such that a combined resistance of a plurality of resistances can be set at a value obtained by dividing a maximum voltage value of a current-voltage converting means by an output current value of a PIN photodiode observed when the laser diode outputs at a maximum light-emitting power as desired. CONSTITUTION:A maximum value of an analog signal (voltage value VO) to an inverted input terminal of a comparator 17 corresponds to a maximum value of monitoring output current. When power of emitted beam required as image forming light becomes maximum, each unit 2 individually has a different value of monitoring output current. If a minimum value of the difference in monitoring output current is denoted by Imin and a maximum value thereof is denoted by IMAX, resistance RO for regulating light-emitting power can be obtained by RO=VO/Imin when the unit 2 with a value Imin is used. Accordingly, the resistances required for regulating light-emitting power to the unit 2 with the maximum value IMAX, namely a group of resistance 10 can be obtained by connecting in series the resistances in a number corresponding to a scalar quantity (n) obtained by RO/n or VO/IMAX.