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JPH0161257B2 |
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JPH01318424A |
PURPOSE: To set the error value at zero and to obtain a plus-minus symmetrical triangular wave output with a triangular wave generating circuit consisting of a rectangular wave generating circuit and an integration circuit by detecting t...
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JPH01317019A |
PURPOSE: To suppress the fluctuation of the inclination of a trapezoidal wave by generating the trapezoidal wave by a constant current without power source fluctuation and temperature fluctuation. CONSTITUTION: When a reference signal ch...
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JPH01177663U |
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JPH01177611U |
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JPH0159623B2 |
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JPH01314419A |
PURPOSE: To simultaneously measure the dv/dt resistance quantity of the both polarities of a thyristor by respective providing the constant current circuits of the positive and negative polarities and executing control with a sweep contr...
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JPH01311859A |
PURPOSE: To enhance reliability by providing a bistable circuit for starting and resetting voltage rise, and first through third threshold value decision circuits. CONSTITUTION: In a voltage pulse generating circuit, a capacitor 1 is cha...
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JPH0158897B2 |
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JPH01309569A |
PURPOSE:To simplify circuit composition and to decrease a generated loss by using a bipolar mode MOS-FET (IGBT) as a semiconductor switching means. CONSTITUTION:The semiconductor switching means is replaced with an IGBT4, and in the comp...
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JPH0157833B2 |
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JPH0141233Y2 |
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JPH01171125U |
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JPH01295517A |
PURPOSE: To eliminate only a noise component from a signal including the noise component having a higher through-rate from a main signal component by providing a couple of constant current generating circuits, four diodes, a capacitor an...
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JPH01286514A |
PURPOSE: To obtain a required oscillated frequency by making the forced synchronization of a vertical synchronizing signal possible even if a difference between a free oscillated frequency and the vertical frequency is large. CONSTITUTIO...
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JPH0153528B2 |
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JPH01274289A |
PURPOSE: To obtain the input signal of an excellent S/N by newly forming a reset pulse by using a ground point in an integration circuit as a reference from a reset signal to be supplied from an outside by a resistance for control and a ...
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JPH01272225A |
PURPOSE: To eliminate the quick current change, to prevent the occurrence of noise and to prevent the malfunction of a circuit by using a triangular wave at the time of signal processing. CONSTITUTION: A square wave signal Vin(Va) having...
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JPH01268218A |
PURPOSE: To produce a steep part in saw tooth waves without any restriction for an input voltage by constituting the 2nd integration circuit by connecting the output of a pulse input circuit which applies a voltage obtained by adding a p...
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JPH01264570A |
PURPOSE: To reduce noise level, vibrations and loss by comparing a judgement value level and a fundamental-wave sine wave, determining a semiconductor switching device to be turned ON and generating a false sine wave. CONSTITUTION: An in...
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JPH0134439Y2 |
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JPH01238694A |
PURPOSE: To make generated waveforms to be the same without adjustment and to perform various image displays by integrating the capacity of first and second signal waveform generators provided with a time-decision circuit network having ...
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JPH01232822A |
PURPOSE: To simplify circuit constitution and to reduce the cost by varying the oscillation frequency of a sawtooth wave with a set pulse and a reset pulse outputted from a microcomputer. CONSTITUTION: With a set pulse supplied to an inp...
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JPH01135824U |
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JPH01228314A |
PURPOSE: To extend the dynamic range, reduce the circuit scale, and increase the operation speed by selecting a prescribed rise value or fall value based on the result of comparison between signal levels of the input signal and the outpu...
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JPH0141061B2 |
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JPH01218208A |
PURPOSE: To simplify a circuit by providing a logical gate circuit corresponding to respective plural switch elements to output alternatively plural divided voltages formed by a resistance ladder. CONSTITUTION: In a staircase wave genera...
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JPH0140526B2 |
A reference voltage source comprises a bridge circuit having two avalanche (zener) diodes 1 and 2 connected in its opposite arms and two resistors 3 and 4 connected in the other arms, two operational amplifiers 5 and 6, an a.c.- d.c. vol...
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JPH01212016A |
PURPOSE: To integrate the low-frequency triangular wave generator by forming the generator of a high-frequency pulse generator, an up/down counter having a counting-direction inverting circuit, and a D/A converter. CONSTITUTION: The high...
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JPH01195780A |
PURPOSE: To obtain the change of a flyback period without changing the capacity value of a flyback capacitor by providing a switch means re-connecting the flyback capacitor to an inductive load and a storing capacitor after a limited per...
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JPH0136950B2 |
A horizontal oscillator for a CRT device runs at a rate higher than the line rate, and has a wide lock-in range. The horizontal sync signal is delayed in an adjustable monostable circuit and coupled to the oscillator for allowing a cente...
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JPH01191577A |
PURPOSE: To obtain a high image quality by allowing a signal generator to compare a measured quantity of a moment when a step shaped is at a prescribed level with a desired value decided in advance so as to set the height of the step of ...
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JPH0124984Y2 |
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JPH01188173A |
PURPOSE:To reduce the product of the voltage amplitude of a fly-back line pulse and a horizontal fly-back line period by adding a serial resonating circuit means, which is composed of a capacitor means and an inductor means, parallelly w...
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JPH01181314A |
PURPOSE: To eliminate the need for any special adder to add a correction signal to a sawtooth wave by giving the correction signal directly to a capacitor to be charged and discharged. CONSTITUTION: A correction signal is fed to a termin...
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JPH0134427B2 |
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JPH01175313A |
PURPOSE:To automatically make the amplitude of a triangular wave variable as its period is constant by switching the polarity of a voltage signal outputted from a signal converting circuit when it is decided that the absolute value of a ...
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JPH01174278A |
PURPOSE: To reduce power consumption by turning on and off a transistor of a bridge circuit alternately in a pulse generation circuit to generate positive and negative pulse voltage alternately. CONSTITUTION: An inverter is constituted o...
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JPH0122274Y2 |
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JPH0130328B2 |
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JPH01152813A |
PURPOSE:To obtain a digitized triangle wave signal with simple constitution by receiving a clock signal and a signal representing the down-mode and the up-mode of a counter means so as to generate a signal representing the timing of an e...
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JPH01152814A |
PURPOSE:To attain synchronized oscillation answering to an external synchronizing signal with a broad band frequency by controlling charging/discharging of a capacitor not by a circuit in the inside of an integration circuit but by an ex...
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JPH01147964A |
PURPOSE: To accelerate the inversion of a deflection current by making the retracing pulse part of an output voltage and a resonance retracing pulse inverse to each other and supplying the rapid retracing of the deflection current. CONST...
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JPH01144818A |
PURPOSE: To raise output frequency by converting the sample rate of a sawtooth wave state outputted from an integration means to Mfs (M is a positive integral number) with the aid of linear interpolation and level-converting it to a valu...
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JPH0186322U |
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JPH01141410A |
PURPOSE: To always cause the amplitude of a sawtooth wave to be constant by connecting a circuit to by-pass a current to be charged to a capacitor and applying a feedback so as to control the quantity of the current by-passed in proporti...
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JPH01140486A |
PURPOSE:To drive the bias magnetic field of a Bloch line memory element with low consuming power by using one direct current constant voltage power source, a saturation switch and a transformer. CONSTITUTION:A first current passage inclu...
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JPH01137722A |
PURPOSE:To switch the frequency of an external synchronizing signal in accordance with purposes by detecting the peak voltage of charging voltages to a capacitor, comparing the detected voltage with a reference voltage and controlling a ...
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JPH01137814A |
PURPOSE:To decrease a through-current between power supplies flowing at switching by employing a P-channel transistor(TR) and an N-channel TR for a part connecting to an output of a comparator. CONSTITUTION:Each gate of the P-channel TR ...
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JPH01126821A |
PURPOSE:To attain high resolution and high frequency processing by forming an UP/DN signal of the UP/DN counter in a digital triangle wave generation circuit not from the output of a triangle wave generating counter but from a counter pr...
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