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JP61206999 |
PURPOSE: To improve a dynamic range and prevent the appearance of the change of an input signal in a hold output signal by making the dynamic range of the signal determined by amplitude of the controlling signal that makes the second tra...
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JP61183022 |
PURPOSE: To eliminate any adjustment preventing a device from being affected by noise outside so as to enable the accuracy in control to be improved by making use of pulse as a feed-back signal from measuring devices allowing data in the...
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JP61104399 |
PURPOSE: To execute a delay without moving a sample value between memories by bringing an address of a storing circuit to circulating control. CONSTITUTION: By being subjected to access by an instruction address counter 5 for executing t...
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JP60259915 |
PURPOSE: An actually required wave form is represented as that in a higher standard of precision, by making a high-speed Fourier conversion section longer than that required to be displayed on its wave form, even if distortions are invid...
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JP60236021 |
PURPOSE: To perform successively a monitoring and controlling by forecasting the measuring value of the present time from the ratio of measuring value of the time immediately before and the measuring value before 24hr and the measuring v...
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JP60229133 |
PURPOSE: To read the process data after deleting the superposed noise by changing the sampling cycle by noticing the phase of a power supply containing noise. CONSTITUTION: In the initial processing the changing allowance range is set by...
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JP60181916 |
PURPOSE: To suppress low a measured value error by storing in advance an error ratio between detected data and operation processing result data, in a computer system, and correcting an error of the detected data by said ratio. CONSTITUTI...
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JP60147653 |
PURPOSE: To shorten the delay of a detected speed for an actual speed even in case of the transient state where the speed is changed greatly, by correcting the calculated value of a speed pulse train having a frequency, which is proporti...
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JP60137426 |
PURPOSE: To make stable a rate of gas mixing by comparing an observed value and a set value of a gas mixing rate and changing the time interval for measuring the gas mixing rate automatically. CONSTITUTION: A comparing and instructing se...
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JP60137427 |
PURPOSE: To make a mixing rate of gas stable by comparing an observed value measured by a gas mixing device with a set value, and controlling the quantity of gas to be mixed with the liquid to a fixed value basing on the compared result....
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JP60129603 |
PURPOSE: To achieve a higher detection accuracy of the width-wise edge of heated metal ingot by making the scanning cycle of a photo detector provided at the width-wise edge of the metal ingot alterable based on the signal of a photo det...
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JP60052739 |
PURPOSE: To make the operation speed higher and improve the control precision by setting an operation formula for calculation of a target value in the high level language of a computer by the user side and executing the operation in the ...
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JP60029834 |
PURPOSE: To reduce memory capacity, and to realize a small-capacity and inexpensive control system by providing a data processing means which combines and stores properly a large amount of dta required for precision improvement and resto...
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JP59196736 |
PURPOSE: To maintain a controllable gas mixture ratio, by connecting a control mixture ratio, by connecting a control gas pipeline to a gas mixture pipeline through a multi-stage solenoid valve. CONSTITUTION: A control gas pipeline 21 is...
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JP59196232 |
PURPOSE: To control the production with good efficiency, by detecting the crosssectional area of an extrudate at all times, comparing the detected crosssectional area with a reference value that is a predetermined value to which the cros...
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JP59136533 |
PURPOSE: To prevent the drop of the vehicle speed at the time of setting automatic cruising operation, by initializing the opening of a throttle valve at a prescribed value for a desired vehicle speed at the time of setting the automatic...
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JP59132998 |
PURPOSE: To perform the efficient removal of BOD and N2, by holding the content of dissolved oxygen at 0.2W1.1mg/l in a time of 60W90% from the beginning of a step for enriching oxygen and then above 1.5mg/l in a specified time from the ...
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JP59020588 |
PURPOSE: To obtain sure control at proper timing by estimating a pressure value at a succeeding time point on the basis of the pressure at the present or a preceding time point and comparing the estimated value with the set pressure valu...
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JP58189731 |
PURPOSE: To accelerate the data replacing speed without accelerating the transmitting speed, by dividing the process input/output units having high data replacing speeds into minor groups and including these groups into a process input/ ...
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JP58172741 |
PURPOSE: To improve resolution without increasing the number of bits of a D/A converter and to facilitate input/output processing, by providing D/A converters, comparators, etc., corresponding to input terminals, and providing D/A conver...
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JP58131812 |
PURPOSE: To follow true change of an input signal and to eliminate impulsive noise, by changing a limit value of range of change dynamically based on the change in the input signal. CONSTITUTION: A subtractor 1 obtains a difference signa...
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JP58119039 |
PURPOSE: To reduce a load on a CPU, by correcting sampled data through not the CPU, but an arithmetic device. CONSTITUTION: The arithmetic device 6 based upon the command of a controller 2 is connected to the controller 2 and also connec...
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JP58064542 |
PURPOSE: To detect rapidly and to reduce a load on software, by adding a fall detecting one-shot circuit to the output side of an OR circuit, and making a comparison with data preceding to reading once a successive state change ends. CON...
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JP58064529 |
PURPOSE: To perform efficient input and output control over a computer system by providing an interface part with a converting means for converting a signal sequence from a CPU into a standard signal sequence, and changing only the inter...
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JP57184392 |
PURPOSE: To exclude a synchronizing circuit, a filter device, etc., by controlling plural ON/OFF signals supplied from the centralized controller side after comparing them with the reference value through a comparator provided at the ter...
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JP57120150 |
PURPOSE: To simplify the constitution and to increase the practical efficiency for a peripheral circuit which is used for a digital process of analog signals, by using a single D/A converter, an analog comparator and a sample holding cir...
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JP57101422 |
PURPOSE: To quicken a response speed, by transmitting a sample value of an analog signal through the use of a plurality of insulating tranformers one by one sequentially. CONSTITUTION: Four analog signals are outputted from a D/A convert...
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JP57074665 |
PURPOSE: To obtain a highly stabilized controlling system by minimizing disturbance noise amplitude caused by quantization error, by conduction accurate observation of estimated speed in operating system of a pulse encoder. CONSTITUTION:...
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JP56131009 |
PURPOSE: To improve the detecting accuracy of tension and the accuracy of control through attenuating the noise of data, by alternately integrating and memorizing the data of rolling process at every prescribed time interval through usin...
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JP56037444 |
PURPOSE: To improve an accuracy of sensing of humidity data required in an air conditioning device under a simple circuit arrangement by a method wherein a humidity sensor is energized under a rectangular wave signal and a sensor output ...
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JP55162434 |
PURPOSE: To prevent the fluctuations in plate width and achieve the improvement of yield by beforehand setting the range of the deviations where the plate width of the glass strip on a molten metal bath deviates from a reference value an...
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JP55112838 |
PURPOSE: To promote the controlling characteristics of air-fuel ratio by detecting speed change of the output of an O2 sensor for changing gains of integral and proportional elements in a device to feed back the density of exhaust gas of...
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JP55078331 |
PURPOSE: To reduce the number of contacts of a switch to simplify constitution and obtain an input signal switching unit where reliability is improved easily, by dividing process signals into plural groups and reading them successively. ...
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JP55066128 |
PURPOSE: To avoid the application of the excessive input voltage to the analog switch by reducing the input-output terminal voltage of the analog switch under the allowance voltage via the Zener diode and then feeding to each OP amplifie...
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JP55066129 |
PURPOSE: To absorb the dispersion of the conduction resistance for each analog switch and thus to ensure the steady output impedance by inserting the voltage follower to the common transmission line after giving the common connection to ...
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JP54129966 |
PURPOSE: To stabilize sampling operation for a trapezoid all wave-form voltage and to simplify the designing of an AFC circuit for a VTR, by transferring an input voltage to an output side by using a buffer switch circuit. CONSTITUTION: ...
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JP53041167 |
PURPOSE: To increase the switching velocity and to ensure a high-speed switching and scanning for a number of analog input signals by providing a switching device of the band width to the output stage of an amplifier or to the amplifier ...
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JP52137330 |
PURPOSE: To control the peak value of information with no provision of a special vibrating mechanism by discriminating large or small of the present amount of information and the amount of information prior to t time, and holding the max...
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JP52109846 |
PURPOSE: To enable the collection of all types of signals with the memory unit in which the memory capacity is limited, by writing in the sampling data with minimum time distance first, and second by writing in this with twice time dista...
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JP52059563 |
PURPOSE: The circuit which automatically controls the peak value of synchronizing video signal is so constructed that the voltage across the capacitor for holding the peak value of the circuit becomes more or less zero, theeby improving ...
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JP52046749 |
PURPOSE: The multiplexer generates output signal by switching many input points sequentially. The register and intermediate multi-stage register are written consecutively by the output from above multiplexer. Using these units, a circuit...
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