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JPS6316312A |
PURPOSE:To control the water level of a service water tank at a level close to a reference water level range with high stability despite a low dropping factor of the water level, by outputting the open/close signals to a flow rate contro...
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JPS633599U |
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JPS63807B2 |
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JPS632560A |
A vapor processing system which has a vessel (10) for containing a processing vapor (16) generated by heating (14) an electronic fluid (12) contained within the vessel (10). A selected saturated vapor zone level (L) is defined for work p...
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JPS62203438U |
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JPS62199638U |
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JPS62290914A |
PURPOSE:To completely prevent the malfunction of a logic control circuit by using a simultaneous operation inhibiting circuit, a malfunction preventing circuit and a gate circuit to form an interface circuit. CONSTITUTION:In an interface...
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JPS6259801B2 |
Manipulation-variable separated type control method and apparatus are used in a control system with a control element and a feedback element for an object being controlled or controlled object. The apparatus comprises a detector for dete...
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JPS62285117A |
PURPOSE:To control the liquid level so that the level of the bubble produced by reaction is set within a prescribed range, by combining the continuous levels detected by a differential pressure level detector and a point level detected b...
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JPS62279414A |
PURPOSE:To improve reliability of gate control by calculating opening of a gate from water level data by a terminal processor and making gate operation possible when the result of calculation is the same with that of a central processor ...
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JPS6245274Y2 |
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JPS62183214U |
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JPS6243238Y2 |
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JPS62251801A |
PURPOSE:To attain stable control by moderately correcting large disturbance temporarily generated on a liquid level within a small deviation range as a deviation obtained by averaging variation. CONSTITUTION:In a control system for the l...
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JPS6242332Y2 |
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JPS62169810U |
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JPS62169025U |
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JPS62166507U |
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JPS6248761B2 |
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JPS62233813A |
PURPOSE:To attain the stable water control by applying a spectrum analysis to the water level signal including a periodic signal via the Fourier transformation to convert the level signal into the signal corresponding frequency component...
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JPS6248121B2 |
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JPS6248122B2 |
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JPS62229413A |
PURPOSE:To stabilize a liquid level in a storage tank when liquid quantity flowing in the storage tank suddenly changes by altering the preset quantity of a flow discharging from the storage tank when the detected liquid level in the sto...
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JPS62226315A |
PURPOSE:To always perform pumping out from a stable water resource, and to prevent a pump from wearing, by controlling the start up and the stop operations of the pump, considering the time change of a water storage quantity in the water...
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JPS62155400U |
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JPS6245564B2 |
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JPS62151601U |
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JPS62216010A |
PURPOSE:To continue the automatic control for operation of a water purification plant while keeping the level of a distributing reservoir, by monitoring the error between the estimated demand value and the actual demand value of the wate...
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JPS62211711A |
PURPOSE:To make it possible to relieve abrupt change in water storage level by calculating a corrected water level obtained by adding 1/2 of a water level difference to a sub-water level and outputting the result when abnormality of wate...
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JPS62202207A |
PURPOSE:To mix accurately a liquid to be diluted and a diluent automatically when the quantity of liquid in a diluting tank, by providing the diluting tank with a detecting means which detects the lowest liquid level in the diluting tank...
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JPS62129611U |
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JPS62129612U |
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JPS62130296U |
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JPS62186307A |
PURPOSE:To always control a liquid sending quantity and the number of the driver in the optimum condition and to execute the energy saving by detecting the liquid level of a liquid storage facility with a liquid level detecting device, o...
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JPS6231482Y2 |
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JPS62125902U |
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JPS6229759Y2 |
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JPS62160511A |
PURPOSE:To keep water levels of distributing reservoirs equal to one another by adjusting the degree of opening of an inflow valve in accordance with the water level of the distributing reservoir. CONSTITUTION:Water is supplied to distri...
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JPS6232376B2 |
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JPS62108680U |
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JPS6226647Y2 |
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JPS62104658U |
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JPS62100512U |
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JPS62140120A |
PURPOSE:To prevent the inundation and to secure the safe operation of an inundation preventing device by stopping forcibly a water supply valve with use of an ON/OFF switch circuit in case a water supply command is delivered to a water s...
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JPS6228319B2 |
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JPS6223526Y2 |
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JPS6223527Y2 |
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JPS6293210U |
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JPS6292424U |
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JPS6224804B2 |
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