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JPH02149999U |
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JPH0261312B2 |
A synchronized subharmonic controller for a dual coil electromagnetic vibrator, which derives both power and timing from a single phase AC line, having a trigger circuit which operates the coils at one-third the power line frequency. A t...
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JPH0248261Y2 |
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JPH02145415U |
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JPH02297604A |
PURPOSE: To make it possible to adjust the variation of process response throughout all the processes of normal action by generating positive and negative feedback control signals that are applied to the process, and by making a variable...
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JPH0245801Y2 |
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JPH02290527A |
PURPOSE: To control the leakage optimally by connecting the output of a window opening system with the first input of a special digital filter and connecting the output of a pseudo random number generator(PRNG) with the second input ther...
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JPH0238896B2 |
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JPH02218386A |
PURPOSE: To allow a game player to view each scope of a game soft with the more realistic presence feeling by providing a drive part for swinging a base part and a control part for operating the drive part according to the swing informat...
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JPH0237973B2 |
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JPH02213909A |
PURPOSE: To give a difficulty of bringing about a fault by detecting the motion speed of an attenuator and changing the overflow cross section of the attenuator dependently upon the motion speed of the attenuator to easily change the cha...
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JPH02213908A |
PURPOSE:To control a system to be controlled in real time and in accordance with the target waveforms supplied continuously by comparing a target signal with an answer signal and correcting the control characteristics based on the differ...
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JPH0237181B2 |
A percussor apparatus employing a reciprocal motor with improved performance characteristics is disclosed. The reciprocal motor is comprised of an armature, a solenoid or coil, a magnetic frame encompassing the armature and solenoid, and...
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JPH02201236A |
PURPOSE: To achieve a balance adjustment of a rotor easily and in a short time by coating the rotor with a mixture of an adhesive resin and a particle with a specific gravity larger than the resin to adjust a mass balance with the solidi...
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JPH02155008A |
PURPOSE:To obtain strong supporting force and vibration proof efficiency, and to isolate a vibration from a broad vibration proof frequency band by using both rigid vibration absorber such as aluminum and active vibration isolating means...
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JPH0219846Y2 |
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JPH0223819B2 |
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JPH0218360Y2 |
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JPH0218361Y2 |
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JPH0218362Y2 |
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JPH02118225A |
PURPOSE: To actively control vibrations by providing an electromagnet supported on a stationary part and an electromagnet supported by damper mass in balance relation with it and providing each means for position detection, power supply ...
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JPH02112560A |
PURPOSE: To raise the efficiency of operation by preventing the vibration of operation base by a method in which the distance between the tip of a vibration- preventing beam and a tower structure is exactly measured and the operation of ...
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JPH02108437A |
PURPOSE: To control a vibratory device according to a characteristic value of sand by incorporating an exciting means which supports a flask on a table and exerts a vibrating force on the table, a setting means of a moving characteristic...
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JPH0217072B2 |
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JPH0289107A |
PURPOSE:To suppress the vibration of a rotary axis without improving the rigidity of the rotary shaft by estimating the twist angle and the twist angular velocity of a motor and a load, and feeding them back to a manipulated variable for...
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JPH0285478A |
PURPOSE: To improve the vibration suppressing effect by detecting the response speed of a structure on the basis of the action of the earthquake input and the vibration suppressing force supplied from an actuator and feedback- controllin...
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JPH0285479A |
PURPOSE: To improve the vibration suppressing effect by detecting the response acceleration speed or the resonance displacement of a structure on the basis of the action of the earthquake input and the vibration suppressing force supplie...
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JPH0276013A |
PURPOSE:To control the oscillation level of a specified area by setting an oscillation generator and an acceleration pick-up to the specified area, fetching the signal of a reverse phase to obtained oscillation acceleration, providing a ...
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JPH0238610U |
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JPH027322Y2 |
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JPH027323Y2 |
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JPH0250211A |
PURPOSE:To attenuate twisting oscillation, which is generated in case of damping operation in a construction, by executing the feedback control of an actuator in correspondence to the response quantity of the construction to be detected ...
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JPH0231034A |
PURPOSE: To maintain a board in a constant level without losing the vibration damping effect by regulating the air intake and discharge proportionally to the mean value of the sum of the amplitude of one vibration cycle if the board is v...
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JPH0226338A |
PURPOSE: To make an extensive vibration detectable with a simple device as well as to perform a yet more accurate vibro-elimination by installing such a sensor that detects the vibration of a surface plate in dividing it into a vibration...
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JPH0221044A |
PURPOSE: To obtain an excellent vibration-proofing effect in a short time, by converting vibration of an object for vibration-proofing into an electric signal to be detected, and providing inverse vibration to the object for vibration- p...
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JPH022589A |
PURPOSE: To make it unnecessary to tune a display device by manual operation by providing the device with a piezo film converter for sensing the position of a ribbon and changing the control of an electromechanical driving means in order...
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JPH01307064A |
PURPOSE:To cancel the oscillation mode of a flat type moving part and to increase the head positioning accuracy by conducting respective different driving currents to two flat type twisting coils and generating a moment. CONSTITUTION:In ...
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JPH0141961Y2 |
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JPH0141958Y2 |
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JPH0141955Y2 |
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JPH0141954Y2 |
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JPH0141956Y2 |
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JPH0141957Y2 |
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JPH0141952Y2 |
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JPH0141953Y2 |
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JPH0141962Y2 |
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JPH0141959Y2 |
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JPH0141960Y2 |
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JPH0157204B2 |
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JPH0157206B2 |
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