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Patent Searching and Data


Matches 451 - 500 out of 1,604

Document Document Title
JPS63105880U  
JPS63102326U  
JPS63151107A
PURPOSE: To continuously and monotonously control a resistance value by a large margin by using a MOS type solid-state relay and a variable pulse circuit. CONSTITUTION: A MOS type solid state relay 1 has an LED 2 as the driving input ele...  
JPS63151203A
PURPOSE: To suppress the bit length of a counter to a required minimum value in response to the frequency deviation of an inputted FM signal and to simplify an address decoder by using a counter with an initializing data set function end...  
JPS6328381B2  
JPS63133071A
PURPOSE: To compensate offset voltage and to reduce an error even when an input current value is minute, by detecting the offset voltage of the operational amplifier in an integration means to apply the same to the non-reversal input ter...  
JPS63122967A
PURPOSE: To obtain a converter which lets an output voltage respond instantaneously to changes in the frequency, by performing a frequency-voltage conversion of an AC signal inputted while an output voltage thus converted is differentiat...  
JPS63122966A
PURPOSE: To obtain a converter which lets an instantaneous output voltage respond to changes in the frequency while reducing a ripple, by adding a differentiation response waveform to correct a delay in the rising of an output voltage su...  
JPS63109611A
PURPOSE: To obtain a D/A converter with high accuracy by supplying an output of an inverter to an inverting input of a differential amplifier circuit whose noninverting input receives a prescribed constant voltage and whose inverting inp...  
JPS6365307U  
JPS6394163A
PURPOSE: To improve responsiveness by storing a mean moving speed and using this speed as predictive moving speed in a calculated corresponding pulse generation period at the time of the next movement of a body to be measured. CONSTITUTI...  
JPS6387017A
PURPOSE: To limit the amplitude of an analog signal by producing a control pulse having the width much less that the minimum pulse width of the pulse modulation data in density of plural steps and changing the pulse width of said modulat...  
JPS6376612A
PURPOSE: To cause the low pass filter of a final stage to be sufficient with a simple constitution to remove a high frequency component by using a voltage generating circuit and a sample holding circuit and converting the pulse rate of a...  
JPS6373705A
PURPOSE: To simplify the constitution of filter eliminating undesired component by providing a phase shifter obtaining two signals having a phase difference of 90° from each other, an absolute value circuit obtaining each absolute value...  
JPS6314912B2  
JPS6365378A
PURPOSE: To perform fast conversion by integrating an input signal at every desired period by a T/V converter, sampling the peak value of its integral value, and converting the signal into a period voltage of each desired period. CONSTIT...  
JPS6362410A
PURPOSE: To attain the amplification with high gain by applying peak hold at first, demodulating the result at a filter in demodulating and amplifying a PAM signal and amplifying the demodulated signal. CONSTITUTION: A signal made into a...  
JPS6350205A
PURPOSE: To improve the precision and S/N by measuring the half period or the period of an FM signal and obtaining the reciprocal of this measured period by a reciprocal arithmetic circuit consisting of an integrator, a multiplier, and a...  
JPS6337263A
PURPOSE: To enhance quantizing accuracy, by detecting the count noise of a clock pulse at the time of quantization and correcting a count value corresponding to said noise. CONSTITUTION: At first, an input wave form is made synchronous t...  
JPS6336603A  
JPS6326119A
PURPOSE: To attain highly accurate interpolation by applying over-sampling at a frequency being twice the 1st sampling frequency and using data twice the original data obtained by the over-sampling so as to apply approximation to new dat...  
JPS6313521A
PURPOSE: To obtain a pulse density modulator whose circuit design is easy by connecting plural stages of means converting a signal into a PCM signal having a few bit length and a high clock frequency in cascade. CONSTITUTION: Data bit le...  
JPS639211A
PURPOSE: To increase the demodulation sensitivity by adding a circuit bringing a pulse width τcof an output wavefo/n of a pulse count circuit into a pulse width τc-at (At is a pulse interval). CONSTITUTION: The 1st pulse generating cir...  
JPS62263413A
PURPOSE: To always detect the voltage value of a pulse-like analog voltage signal at an optimum time while avoiding the transitional effect of a wave form, by making the time interval from the front edge of the pulse-like signal to the p...  
JPS6253782B2  
JPS6253784B2  
JPS6253088B2  
JPS62255874A
PURPOSE: To execute a check of an analog signal outputting circuit at high speed by providing a converting circuit having the same constitution as that of the analog signal outputting circuit, and comparing an output from the converting ...  
JPS62235813A
PURPOSE: To prevent the output of an integration voltage from being disturbed remarkably, or rised by providing an integration circuit, a fault supervisory circuit and a holding circuit holding an output signal. CONSTITUTION: An output s...  
JPS62162671U  
JPS62235630A
PURPOSE: To handle an analog value with simple constitution by comparing an external input signal with a reference voltage by a comparison part and reading it as a binary signal. CONSTITUTION: A one-bit microprocessor 1 is constituted as...  
JPS62232204A
PURPOSE: To stably and accurately demodulate an FSK signal even when the FSK signal with consecutive '0' or '1' is inputted by sampling and holding part of a voltage signal obtained by demodulating a basic frequency signal so as to use t...  
JPS62159006U  
JPS62203392A
PURPOSE: To accelerate the responding speed of an optical modulator, and to perform stabilized frequency modulation by a method wherein optical output is monitored, the envelope of the optical output signals is detected, and feedback con...  
JPS62201372A
PURPOSE: To reduce a ripple and to increase response speed by storing a frequency/voltage conversion output in a 2nd capacitor and correcting the charging voltage of the capacitor at every period of an input signal frequency according to...  
JPS62141221U  
JPS6233363Y2  
JPS62193305A
PURPOSE: To very easily compensate the influence of linear as well as nonlinear transmission line distortion upon an FM signal to demodulate the signal by adding a distortion generator, which has the same distortion characteristic as a t...  
JPS62139409A
PURPOSE: To superpose an analog signal to a PFM signal with a simple equipment and to reduce the cost of transmission by executing the PFM modulation of an analog signal and modulating the amplitude of another analog signal to form an an...  
JPS62136907A
PURPOSE: To improve the S/N of a demodulated FM signal by using n-set of counters so as to count clock pulse numbers plural half periods shifted at an interval of a half period independently based on a half period of the FM signal thereb...  
JPS62122415A
PURPOSE: To prevent the effect due to fluctuation of a carrier frequency by providing a pulse generator, a rate modulator, the 1st gate means, a count means and the 2nd gate means. CONSTITUTION: A carrier frequency fc generated by the pu...  
JPS6221069Y2  
JPS62109424A
PURPOSE: To prevent the nonlinear distortions caused by the unbalance of an output current by using the 1st constant current source which flows a current to an output circuit and the 2nd constant current source which draws in the current...  
JPS6275640U  
JPS6275641U  
JPS6273631U  
JPS6297421A
PURPOSE: To attain efficient detection by using a delay circuit comprising a CMOS gate so as to retard a pulse FM modulation signal, applying exclusive OR to the result with the signal before the delay thereby obtaining a multiplied puls...  
JPS6295769A
PURPOSE:To provide an optional transmission characteristic to data by interleaving a sound digital data outputted from a signal processing section at each optional sampling period, reading the result and processing it by a digital signal...  
JPS6214755Y2  
JPS6253825U  

Matches 451 - 500 out of 1,604