baber/WOPTO huggingface dataset:
Patent JP-H07312888-A (JP)
Title: Twisting vibration suppressing method for motor speed and torque control system
Inventor: HAMAMOTO HIROAKI
IPC: H02P29/20
Filed: 1994-05-16
Abstract: PURPOSE:To control to suppress a twisting vibration in all speed and torque control modes by switching an accelerating torque command signal in synchronization with the speed and torque control modes, and calculating a torque command compensation for cancelling the load torque of a motor. CONSTITUTION:The sum of the output signal TRFA of a speed controller 9 and an acceleration/deceleration torque compensation signal (Tcomp) is used as the acceleration torque command signal (TRFAX) of a twisting vibration suppressing controller (BC) 10A at the time of a speed control mode. The difference between the Tcomp and the torque command compensation signal TRFL of a torque compensator (TC) 13A is used as the TRFAX of a BC 10A at the time of a torque control mode. The difference signal between the signals TMAFB and TRFAX obtained by multiplying a signal differentiated from a real speed by the mechanical time constant of a motor is input to the TC 13A, and a torque command compensation signal (TRFL) for cancelling a load torque to become a disturbance torque for the torque command signal is calculated. The signal obtained by adding the TRFL to the signal TRFMX to the motor is used as the final torque command signal TRFM.
Patent JP-H0422926-A (JP)
Title: Erbium doped fiber optical amplifier
Inventor: TAKEDA KEIKO
IPC: H04B10/29
Filed: 1990-05-18
Abstract: PURPOSE:To obtain an erbium doped fiber light amplifier having a high amplification efficiency by providing 1.25mum band reflecting filters on both end parts of an optical fiber so that its interval becomes the resonator length of light of 1.25mum band and oscillating laser beams at the 1.25mum band. CONSTITUTION:Pumping light of 0.8mum wavelength emitted from a pumping light source 16 such as a semiconductor laser is made incident upon an Er doped fiber 10 and the laser oscillation at the 1.25mum wavelength is executed by a pair of 1.25mum band reflecting filters 26, 28 set up to the resonator length. When a laser beam of 1.25mum wavelength is oscillated in the Er doped fiber, transition due to natural discharge from <4>S3/2 level to a base level which is the reduction of population in the high-order level <4>I13/2 of the amplifier can be effectively suppressed, the population of the <4>I13/2 level can be increased and the highly efficient light amplifier can be obtained.
Patent JP-H06338572-A (JP)
Title: Semiconductor package and manufacture thereof
Inventor: UENO MITSUNORI
IPC: H05K1/18
Filed: 1993-05-28
Abstract: PURPOSE:To facilitate manufacturing and to decrease the cost by shaping a metal lead for outer connection into a plate shape, wherein the height is equal to or less than the width, and brazing the lead at the flat surface on a metallized pattern. CONSTITUTION:A main body 36 of a ceramic package is positioned and mounted on a lead 30, which is housed in a housing hole 34 of an accepting jig 32 so that the brazing position of a metallized pattern agrees with the position of the lead 30. Then, a pushing jig 38 is mounted on the main body 36 of the ceramic package. The accepting jig 32 and the pushing jig 38 are tightened and fixed with a bolt 40. The jig is put into a furnace and heated. Bracing filler metal 22 is fused, and the lead 30 is fixed at the specified position on the metallized pattern of the ceramic pacakge main body 36. Thus, the handling of the lead 30 becomes easy, and the brazing can be performed accurately and readily.
Patent JP-H08160257-A (JP)
Title: Mounting structure for optical transmission module
Inventor: HATTORI HITOSHI
IPC: G02B6/42
Filed: 1995-05-26
Abstract: PURPOSE: To provide a mounting structure for optical transmission module which can transmit wide-band light signals at a high speed. CONSTITUTION: An end surface type semiconductor element 1 which is formed by electrically separating a light emission part 3 perpendicular to the surface of a substrate by a separation groove that reaches the substrate surface from the top surface of a lamination structure having a contact layer formed on the top surface, is used, and the end surface type semiconductor light emission element 1 and an optical fiber 20 are mounted so that the light emission part 3 faces one end surface of the optical fiber 20 and the optical axis 21 of the end surface type semiconductor light emission element 1 or optical fiber 20 is slanted toward the surface of the contact layer at an angle θ, thereby optically connecting the optical fiber 20 and end surface type semiconductor light emission element 1 to each other.
Patent JP-H04352201-A (JP)
Title: Control method for robot system
Inventor: OGISO TOSHIO
IPC: G06F15/18
Filed: 1991-05-30
Abstract: PURPOSE:To provide the robot system which finds reverse kinematic solution finding operation in a short time with high accuracy without any complicated analysis at the time of driving a robot by converting a spatial operation track into articulation coordinates when the spatial operation track is given. CONSTITUTION:A position or attitude 14 represented as spatial coordinates is converted into a backward kinematic solution approximate value first by a neural network part 16 and the approximate value is converted 18 and processed by forward kinematic conversion 18; and fuzzy inference 17 is carried out according to the deviation from an input 15 and when the deviation becomes less than a threshold value, the result is outputted 20. This constitution increases the accuracy as compared with the use of only the neural network and realizes the backward kinematic solution finding operation which is converged in a shorter time than when only the fuzzy inference is used.
Patent JP-S5557016-A (JP)
Title: Production of flameproofed and carbonized non-woven fabric
Inventor: SHIRAKAWA TAKU
IPC: D04H1/4242
Filed: 1978-10-16
Abstract: PURPOSE: To improve the productivity of the title fabric, by laminating non-woven fabrics from acrylic fibers modified with an acidic solution of hydroxylamine to form a multilayered non-woven fabric of specific construction, which is flameproofed and carbonized.  
     CONSTITUTION: Two or more non-woven fabrics comprising acrylic fibers having a fineness per fiber ≤5de, which are treated with a solution of hydroxylamine at pH≤7 to give a solubility in dimethylformamide ≤50%, are laminated and needled to form a multilayered non-woven fabric having a basis weight ≥50g/m 2  and a peel strength of 2W30kg/cm. The fabric thus obtained is flameproofed, or further carbonized and divided into two or more parts or flameproofed at 150°C or above and divided into two or more parts, and carbonized to form the objective non-woven fabric.  
     EFFECT: Different grades can be obtained simultaneously.  
     USE: Heat insulating materials, packings, etc. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H07336168-A (JP)
Title: Power amplifier
Inventor: YAMAMOTO KAZUYA
IPC: H03F3/21
Filed: 1994-06-09
Abstract: PURPOSE:To perform a highly efficient operation at the time of both high and low output operations by making the impedance of matching circuits on respective output sides in two amplifier circuits for outputting the amplification output of mutually different power levels highly accurate and optimum. CONSTITUTION:At the time of the high output operation, a gate bias voltage to be applied to the gate bias terminal Vg3 of an output amplification stage A3 is made lower than the pinch-off voltage of an FET for amplification for constituting the amplification stage A3, the amplification stage A3 is prevented from being operated, an FET switch 3 is turned to an OFF state by the gate bias voltage to be applied to a control terminal VSW3 further, the output side of the amplification stage A3, that is a second amplifier circuit 100a, is cut off from a first amplifier circuit 100b and a driver stage A1 and the amplification stage A2 are operated. At the time of the low output operation, the switch SW3 is turned to an ON state by the gate bias voltage to be applied to the terminal VSW3, the voltage to be applied to the gate bias terminal of the FET for constituting an output stage A2 is made lower than the pinch-off voltage and the driver stage A1 and the amplification stage A3 are operated.
Patent JP-H01296609-A (JP)
Title: Manufacture of solid electrolytic capacitor
Inventor: TERADA KAZUYUKI
IPC: H01G9/012
Filed: 1988-05-25
Abstract: PURPOSE:To simplify the surface treatment work to be conducted on a cathode terminal by a method wherein a conductive film is provided on the whole surface of the cathode terminal without using a masking, and then high-pressure water is jetted on the part which becomes the connecting part with the cathode part of the main body of the capacitor of the conductive film. CONSTITUTION:A silver-plated layer 14 is formed by providing a silver-plating treatment on the lower surface of the tip part of a cathode terminal. Then, a solderable conductive film 15 is formed on the whole surface of the cathode terminal 7, including the silver-plated layer 14, and on the surface of an anode terminal 5. Subsequently, the conductive film 15 provided on the surface part of the silver-plated layer 14 of the cathode terminal 7 is stripped off by jetting high-pressure water on the film 15, and the surface of the silver-plated layer 14 is exposed. This work is conducted just before the cathode terminal 7 is connected to the cathode layer 8 of the capacitor main body 1 through the intermediary of a conductive bonding agent 13. As a result, the surface treatment work of the cathode terminal can be conducted in a simple manner.
Patent JP-S61285414-A (JP)
Title: Optical demultiplexer
Inventor: KUNIKANE TATSURO
IPC: G02B6/293
Filed: 1985-06-12
Abstract: PURPOSE:To obtain an optical demultiplexer which is simple in construction and is easy to assemble and to substantially eliminate the need for the adjustment thereof by providing prescribed wavelength filters to the photodetecting surfaces of symmetrically provided photoelectric detectors. CONSTITUTION:The photodetectors 10A, 10B are provided symmetrically with a projected light beam 9. The wavelength filters 11A, 11B which allow the transmission of the light having the wavelengths different from each other and reflect the light of the other wavelengths are provided to the respective photodetecting surfaces of the detectors 10A, 10B. The photodetectors 10A, 10B are thus simply required to be symmetrically disposed and therefore the assembly is simple. Since the light beam is simply required to be projected near to the symmetrical point where the photodetectors are combined, the need for the adjustment operation is substantiallly eliminated.
Patent JP-S617787-A (JP)
Title: Color video camera
Inventor: SATOU MASANORI
IPC: H04N9/09
Filed: 1984-06-22
Abstract: PURPOSE:To prevent mis-alignment of hue at negative/positive inversion by providing a gain control circuit to the post-stage of a process circuit to lower the gain of a video signal. CONSTITUTION:A gain control circuit 8 is provided between a process circuit 7 and a luminance signal inverting circuit 9. When a negative/positive inversion control signal is not fed to the circuits 8, 9 and a color difference signal inverting circuit 11 via a terminal 12, those circuits are not functioned. On the other hand, when the negative/positive inversion control signal is fed to the circuits 8, 9, 11 to cause the negative/positive inversion, the circuits 9, 11 are functioned and the gain of the circuit 8 is lowered. As a result, a video signal level required for the phase comparison is obtained even at the inversion from positive into negative inversion to attain correct color reproduction.
Patent JP-H11326245-A (JP)
Title: X-ray diffraction microscopic device
Inventor: KUDO YOSHIHIRO
IPC: G01N23/207
Filed: 1998-05-11
Abstract: PROBLEM TO BE SOLVED: To provide an X-ray diffraction microscopic device that can simultaneously obtain an optimum X-ray diffraction image in a wide range of a crystal sample by accurately and easily controlling the degree of curving of a pre- crystal corresponding to the curvature of the crystal sample when obtaining the X-ray diffraction image of the crystal sample by the double crystal method using the pre-crystal that can be curved. SOLUTION: An X-ray diffraction microscopic device is provided with a pre-crystal 14 that can be curved, lets in X rays of a single wavelength, and can emit diffraction X rays due to asymmetrical Bragg reflection, a curving device 16 provided with a stepping motor for curving the X-ray application surface of the pre-crystal 14 to a desired degree of curvature, a crystal sample 18 for letting in diffraction X rays from the pre-crystal 14 and emitting diffraction X rays by symmetrical reflection, an X-ray television camera 20 for obtaining an X-ray diffraction image by detecting diffraction X rays being emitted from the crystal sample 18, and a curving device controller 22 for controlling the curving device 16 based on information regarding the obtained X-ray diffraction image.
Patent JP-H08305171-A (JP)
Title: Developer carrier
Inventor: SAIKI KAZUNORI
IPC: G03G15/08
Filed: 1995-04-28
Abstract: PURPOSE: To provide such a developer carrier that the surface coating film of the developer carrier shows good wear resistance in a long-term durability test which is more severe than a conventional test for a developing device, that the surface roughness and electrifying property for a toner are stable, and that excess electrification of a toner or melt-sticking of a toner on the developer carrying body or on a photosensitive drum is hardly caused, and therefore, decrease in the image density as a result of these troubles is hardly caused. CONSTITUTION: This developer carrier is used to carry a one-component developer to develop an electrostatic latent image formed on an image carrier. The developer carrier has a thin film 1 consisting of a binder resin 4 and capsule particles 2 containing a release agent formed on its surface. The capsule particle 2 consists of a core material of a release agent 3 and a shell formed around the core.
Patent JP-H02306809-A (JP)
Title: Suspension device of vehicle
Inventor: KAMIYAMA SHIGERU
IPC: B60G7/00
Filed: 1989-05-19
Abstract: PURPOSE:To facilitate camber control and improve riding comfortableness by dividing a vehicle body side member into a vehicle body fixing part and suspension arm support part, and connecting the both to each other in such a manner as to be longitudinally movable, and interposing a rubber bush between the front and back of the both. CONSTITUTION:A vehicle body side member 4 is divided into a cross member 6 and a suspension arm support part 7. The suspension arm support part 7 is formed of three lands 8-10, and an upper arm 1 is connected to the first land 8 through an upper arm shaft 11. A lower arm 2 is connected to the third land 10. Further, the second land 9 is connected to the extended part of the cross member 6, with a rubber bush 17 being interposed between them, by four links (only two links 13, 14 on one side are shown) in such a manner as to be longitudinally movable. The virtual extension lines L1, L2 of the two links 13, 14 are crossed to each other lower than the ground G. According to this constitution, camber control can be facilitated.
Patent JP-H08150440-A (JP)
Title: Continuous casting of high-carbon steel
Inventor: ANBERUTO MERONI
IPC: B22D11/05
Filed: 1995-05-26
Abstract: PURPOSE: To provide a method for continuous casting of thin slabs of high- carbon steels having a specific carbon content. CONSTITUTION: This method is for the continuos casting of the high-carbon steels having the carbon content greater than 0.50% in order to produce the thin slabs. In this method, the taper of the mold at least in its first segment is required to be between 1.5% and 4% per meter and the frequency of oscillation of the mold to be between 180 and 350 oscillations per minute with a travel upward and downward between ±5 mm and 5 mm, with a total travel of 10 to 18 mm. The cooling in an initial cooling period is extremely intense and the time in the transient state at the time of start-up of the casting is reduced by 1/3 to 1/4 as compared to the normal times of the transient stage of start-up.
Patent JP-2000319765-A (JP)
Title: Stainless steel sheet for shadow mask
Inventor: KITA ISATO
IPC: C22C38/28
Filed: 1999-05-07
Abstract: PROBLEM TO BE SOLVED: To obtain a metallic material for a shadow mask whose thermal expansion coefficient is smaller than that of low carbon steel, whose cost is more inexpensive than that of an invar alloy, small in the amt. to be plastically deformed at high temp., provided with high strength sufficiently satisfiable even as that of a shadow mask used in the state of high tension and excellent in etching workability as well. SOLUTION: As a metallic material for a shadow mask, a stainless steel sheet-contg. 9 to 20% Cr, <=0.15% (not including 0%) C, 0 to 1.0% Mn, 0 to 0.2% Ti, 0 to 1.0% Si and 0 to 1.0% Al, and the balance Fe with inevitable impurities, and in which the contents of P and S among the inevitable impurities respectively satisfy <=0.05% P and <=0.03% S is suitable.
Patent JP-H07334893-A (JP)
Title: Magnetic recording and reproducing device
Inventor: FURUTA TAKAAKI
IPC: G11B15/093
Filed: 1994-06-09
Abstract: PURPOSE:To protect magnetic tapes and to improve their operability in the case where a magnetic tape cannot be taken out due to abnormality in a reel drive motor by suspending the mechanism, displaying the abnormality and inhibiting the input of the operation key. CONSTITUTION:A first edge detecting means 5 detects pulse edges of the reel pulses 4 of the take-up side reel stand 2. When an edge is detected, a first counting means 8 which counts clock pulses is cleared and the pulse edge is counted by a second counting means 9. When no edge is detected, a comparison means 11 sets the tape-end detecting condition in accordance with the count value of the first counting means 8. In either of the cases, a second edge detecting means 6 detects the edge of the reel pulse 3 of the supply-side reel stand 1, next. When an edge is detected, an abnormality detecting means 13 judges whether to advance or clear the count of a third counting means 10 depending on the duration of no pulses on the take-up side. When the counts of the third counting means 10 are within a certain range, the abnormality detecting means 13 judges that the present condition is abnormal and suspends the mechanism 19 to inhibit key input to the input inhibiting means 16.
Patent JP-S618072-A (JP)
Inventor: HASEGAWA SHIGEJI
IPC: A63B69/02
Filed: 1984-06-21
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-S63291494-A (JP)
Title: Surface mounting printed wiring board
Inventor: MURAKAMI HIDEHIKO
IPC: H05K3/34
Filed: 1987-05-25
Abstract: PURPOSE:To prevent surface mounting components from deviating at the time of mounting by forming a section which does not become a pad at least at one position of a wiring board to support one terminal by a plurality of points, lines or faces. CONSTITUTION:Wiring copper foil patterns 8, 9 are formed on an insulating substrate 7 on a wiring board 20, and pads 12 each having special shape are provided at positions where the terminals 11 of surface mounting components 10 to be mounted thereon. That is, each pad 12 is formed with a cavity 13 at the center to form a section which does not become the pad 12. When the component 10 is attached on the wiring board 20 to be mounted by soldering on such a wiring board 20, the component 10 is placed on the pad 12 of the wiring board 20, and the terminal 11 is placed on a predetermined position. In this case, since one terminal 11 is supported stably by the two or more soldered pads 12, it is not moved. Then, the component 10-disposed substrate is disposed in a solder melting environment to connect the terminal 11 of the component 10 to the pads 12 by soldering.
Patent JP-S5651330-A (JP)
Title: Polypropylene film
Inventor: YOSHII TOSHIYA
IPC: B29C55/14
Filed: 1979-10-05
Abstract: PURPOSE: To obtain the polypropylene film having a high tensile strength in both lengthwise and widthwise directions with a high productivity without cutting film by adding specific amounts of a surfactant and a crystal nucleus-forming agent to polyproptlene.  
     CONSTITUTION: Isotactic polypropylene powder is mixed with 0.1W1.0wt% surfactant, e.g., hydroxyethyl-dicarboxymethyl-stearylbetaine-monosodium salt, etc., and 0.01W0.5wt% a crystal nucleus-forming agent, e.g., fine zeolite powder, etc., melted, and then extruded to obtain pellets. Then, the pellets are melted and filmed by an extruder to obtain an unstretched film which is, in turn, biaxially stretched and then restretched. Thus, the objective film having a lengthwise tensile strength of 30kg/mm 2  or more and a widthwise tensile strength of 20kg/mm 2  or more can be obtained. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S5554613-A (JP)
Title: Steam turbine with low-pressure turbine by-pass system
Inventor: SATOU KIYOSHI
IPC: F01K9/04
Filed: 1978-10-18
Abstract: PURPOSE: To protect condensate pump against overload during turbine by-passed operation, by controlling a deaerator level controlling valve on the basis of the level of deaerator and amount of condensate discharged from condensate pump or discharge pressure of the same.  
     CONSTITUTION: When spill-over valve 21 and spill-over water supply valve 24 are opened with starting of turbine by-passed operation, overload is acted to condensate pump 14 with a portion of water discharged from the condensate pump 14 being sent to water supply pipe 23, and resultantly discharge pressure of the condensate pump 14 is lowered with increasing of the amount of water discharged from the pump 14, detector 30 produces a signal for restricting the opening of deaerator level controlling valve 28. Subsequently, discharge pressure of condenser 14 or amount of water discharged by the same is maintained at a level lower than the rated value. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H01300167-A (JP)
Title: Refrigerant heating cycle
Inventor: HAMAOKA MAKOTO
IPC: F25B13/00
Filed: 1988-05-25
Abstract: PURPOSE:To improve start-up characteristic of the heating operation by providing an ejector upstream to the refrigerant heater and by making the suction side of the ejector communicate with the outdoor heat exchanger. CONSTITUTION:A compressor 1 is connected through a four-way switching valve 2 to an outdoor heat exchanger 3, a pressure reducer 4, a check valve 5, an expansion valve 6, and an indoor heat exchanger 7 in this sequence in a loop. A heating conduit 9 branches off from between the check valve 5 and the expansion valve 6 with its forward end connected to the downstream side of a check valve 8; to this heating conduit 9 are provided a two-way valve 10, as ejector 13, and a refrigerant heater 11 which is equipped with a burner 12, each in this sequence. A refrigerant-collecting conduit 14 which branches off from between the delivery00 side of the four-way switching valve 2 and the check valve 8 is connected to the suction side of the ejector 13. Simultaneously with the start of the heating operation the refrigerant inside the outdoor heat exchanger 3 is collected into the heating circuit so that it is not necessary for the heating operation to be preceded by the running for collecting the refrigerant.
Patent JP-S63293094-A (JP)
Inventor: OZEKI HIDEMI
IPC: B43K17/00
Filed: 1987-05-27
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。