Matches 401 - 450 out of 484 < 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
4066919 Sample and hold circuit  
An electronic circuit suitable to be fabricated in monolithic integrated circuit form for producing at an output terminal an output signal for a predetermined time period of which the value thereof...
4038568 Pulse peak sample and hold circuit  
A pulse peak sample and hold circuit includes a passive input integrator to develop the time of a sample gate. A sensitive comparator develops the gate pulse. A FET and storage capacitor "holds"...
4034348 Apparatus, including delay means, for sampling and recovering data recorded by the double transition recording technique  
Data and clock bits are sampled by use of two delay means such as shift registers which are enabled at a clock rate which is set so that a first such delay means coupled to receive the bits...
4030022 Phase-controlled cycloconverters  
A thyristor cycloconverter for frequency changing a 3-phase input supply to, commonly, a single-phase or 3-phase output supply. The output frequency can be near to, and even higher than, the input...
4019146 Circuit arrangement for storing an electrical analog signal  
There is shown two frequency dividers with the same division ratio connected through first and second logic gate members to a clock generator. The phase difference between the outputs of the...
4005423 Synthetic aperture radar utilizing a low-speed analog-to-digital converter  
A radar receiver employing digital signal processing utilizes high-speed ut buffers in the form of charge coupled devices that lower the data rate to the analog-to-digital converters so as to...
4001604 Peak value detector  
A circuit for detecting peaks in a time-variant signal, comprising a track-hold unit having a first mode for tracking the time-variant signal, and a second mode for storing instantaneous peak...
3996480 Sample and hold-circuit arrangement for an electrical motor simulator of an electronic motor protection relay  
A sample and hold-circuit arrangement for an electrical motor simulator of an electronic motor protection relay wherein the motor simulator is charged by a charging current source with clocked...
3988688 Demodulator for binary-phase modulated signals having a variable clock rate  
Method and apparatus for demodulating binary-phase modulated signals recorded on a magnetic stripe on a card as the card is manually inserted into a card reader. Magnetic transitions are sensed as...
3983419 Analog waveform transducing circuit  
An analog waveform transducing circuit is disclosed which includes a pair of superconductive circuits connected in parallel between a pair of terminals. One of these circuits includes a Josephson...
3896390 High-speed sampler with variable sample rate  
A digital high-speed pulse sampler wherein the pulse is broken up into sm segments and each segment is stored in separate sample-and-hold circuits such that the pulse may be examined in detail by...
3889134 Tunnel diode digital data sample, decision and hold circuit  
A high speed circuit for sampling and reconstructing a nonreturn to zero data input. The circuit essentially consists of a Goto pair, that is of a matched pair of tunnel diodes biased in such a way...
3883754 Frequency-voltage converter circuit, particularly for automotive applications  
A simple frequency-voltage converter circuit, particularly suitable for vehicle wheel brake anti-lock systems in which a voltage is derived representative of a wheel speed, from a tachometer...
3876889 Information memorizing apparatus  
A field effect transistor is controllably biased to switch between conductive and non-conductive conditions. One of its electrodes, preferably the source, is coupled to a memory capacitor, and...
3866127 SELECTIVE AUDIO SIGNAL FREQUENCY MULTIPLIER  
A system for increasing the frequency of a periodic signal while at the same time reproducing the wave-form shape and amplitude of the signal at the higher frequency. The input signal is sampled...
3862437 SAMPLE PEAK AND HOLD WITH DUAL CURRENT SOURCE  
A sample peak and hold circuit comprising a dual current source biased by two comparator-driven transistor switches to initially provide a high charging current to a storage capacitor until the...
3857104 NOISE FILTER  
A composite signal having a desired signal content and a noisy signal content is fed to a plurality of contiguous narrow band nonlinear filters connected in parallel. Each filter has a controllable...
3852619 SIGNAL SHAPING CIRCUIT  
In sample type signal processing and transmission systems, the periodic sample and hold of an input signal results in sampled signal distortion. A signal shaping circuit utilizes charge...
3848586 SIGNAL DETECTION SYSTEM  
A signal detection system comprising detecting means for detecting the differential between a first and a second sampled value of an electrical signal subjected to sampling, comparing means for...
3839650 SIGNAL PROCESSORS FOR FILTERING APPLIED SIGNALS  
The signal processor disclosed herein provides an output signal which is a filtered reproduction of an applied input signal; and includes a first circuit for forming the difference between the...
3820033 MOS-FET SAMPLE AND HOLD SYSTEM FOR DIGITIZING HIGH FREQUENCY SIGNALS  
A MOS-FET sample and hold circuit to eliminate spike noise and offset voltage errors having single or difference sampling is provided.
3815032 SELF NORMALIZING SPECTRUM ANALYZER AND SIGNAL DETECTOR  
An analyzing system for detecting signals mixed with ambient noise. The desired signal with noise is fed to a bank of contiguously tuned filters which is followed by a bank of envelope detectors...
3813601 DIGITAL TRANSMISSION SYSTEM  
A digital transmission system which transmits quantized values of the extal points of an analog wave. The system includes a PCM encoder and an extremal detector for generating n-bit binary coded...
3812386 PULSE CHARGE TO VOLTAGE CONVERTER  
Apparatus for converting a sequence of electrical current pulses into a sequence of steady voltage levels having magnitudes significant of the charge content of the respective pulses includes an...
3810027 SIGNAL PROCESSING METHOD AND APPARATUS  
In signal-receiving apparatus of the kind having a time-base generator there are alternative ungated and gated input circuits. The receipt of a signal of a level above a predetermined threshold...
3795806 METHOD AND APPARATUS FOR SENSING RADIATION AND PROVIDING ELECTRICAL READOUT  
A plurality of radiation sensing and storage sites are provided on a substrate of semiconductor material arranged in a plurality of rows and columns. Each site includes a row oriented plate and a...
3790893 SAMPLE AND HOLD CIRCUIT FOR DIGITAL SIGNALS  
A sample and hold circuit wherein the digital signal to be sampled is differentially applied to a pair of gated transistors. Once during each time slot, the transistor pair is gated to provide a...
3775692 DRIFT COMPENSATION CIRCUIT  
A drift-compensated, electronic sample hold circuit for delivering a control signal to a valve or other final control element in a process control system in order to hold its position. The sample...
3740655 DIGITAL GENERATION OF QUADRATURE SAMPLES  
A method and apparatus for generating digitized quadrature samples which approximate the sampled complex envelope of an input waveform by digitally sampling the input signal and applying the...
3732411 SIGNAL INTEGRATING, STORING AND ANALYZING CIRCUIT  
A circuit for integrating, storing and analyzing a signal having a plurality of peaks, such as the output of a gas chromatographic detector, in which each of a plurality of storage capacitors is...
3731115 VOLTAGE MEMORY CIRCUIT  
A circuit having a condenser, the charging voltage for said condenser being selected by an instruction signal, and after being selected, the selected charging voltage is constantly checked and...
3714581 FIXED MEMORY INTEGRATOR  
An integrating circuit which overcomes the effects of spurious noise signals while detecting pulses of a known time duration but occurring at an unknown time. The circuit samples the incoming...
3711779 APPARATUS FOR DETERMINING AND CHARACTERIZING THE SLOPES OF TIME-VARYING SIGNALS  
At discrete time intervals, a clocked switch stores successive samples of a signal, whose slope is to be determined, across a capacitor. Amplifying means measure the capacitor charging current that...
3683285 METHOD OF AND APPARATUS FOR DETERMINING THE DIFFERENCE IN PHASE BETWEEN TWO PERIODIC ELECTRICAL SIGNALS HAVING ESSENTIALLY THE SAME FREQUENCY  
A method for determining the phase shift between two periodic signals having essentially the 1" as a first 0" the two signals into corresponding rectangular voltage waveforms. The interval between...
3675135 SAMPLE-AND-HOLD CIRCUIT  
A sample-and-hold circuit wherein the input signal to be sampled controls a current switch that supplies a linear charging current to a storage device in response to periodic sampling pulses. The...
3671782 SAMPLE-HOLD AND READ CIRCUIT  
A sample and hold circuit using a first and second operational transconductance amplifier with a voltage storing device connected in circuit between the first and second amplifiers. A sample of the...
3671783 SAMPLE AND HOLD CIRCUIT  
A balanced sample and hold circuit in which a pair of transistors control the bias on a pair of diodes and these transistors are activated by pulses applied to the bases thereof. The diodes connect...
3667056 SAMPLE, HOLD, AND SUBTRACT CIRCUIT  
To correct the drifting baseline of a chromatographic signal, a sampling, holding, and subtracting circuit of a baseline correction apparatus samples the signals during clock pulses from a timing...
3665324 TRIGGER CONTROLLING METHOD  
An improved trigger controlling method of the present invention uses a memory circuit for storing a signal which is proportional to the differentiated waveform of a sampled observing signal, and...
3659211 PULSE ACQUISITION SYSTEM FOR TRANSFORMING RECEIVED SHORT DURATION DATA PULSES INTO PULSES OF THE SAME AMPLITUDE BUT OF A LONGER DURATION  
A data pulse acquisition, storage and read-out system is described which is capable of measuring automatically the amplitude and duration of an input data pulse, and of generating a corresponding...
3638007 DIGITAL CONTROL SIMULATOR  
There is disclosed a simple inexpensive digital controller simulator for processing and modifying an analog input waveform to obtain a desired modification thereof empirically by controlling a set...
3638041 SAMPLE AND HOLD TRIGGER CIRCUIT  
An integrated bistable trigger or comparator circuit normally is provided with operating current from a first current source, and the state of the trigger circuit is changed by a differential input...
3633116 ELECTRICAL MEASURING SYSTEMS  
A system for measuring electrical power and including a pair of converters for providing a pair of output pulse trains, the duration of the pulse being proportional to the means squared value of...
3628161 ELECTRONIC SAMPLING AND HOLD CIRCUIT  
A sample and hold circuit is disclosed in which a gate is enabled to apply a wave sample to a delay line capacitor where the sample is momentarily stored. When the gate is disabled, the stored...
3621223 HIGH-FREQUENCY SIGNAL CORRELATOR  
An automatic frequency correlator computes auto and cross correlation functions of up to 3 GHz. bandwidth over 100 sampling points. The frequency response of the correlator of the present invention...
3602740 INFORMATION TRANSMISSION CIRCUIT  
A information transmission circuit for transforming periodic input signals having a duration indicative of the information to be transmitted into a relatively continuous output signal, the...
3596192 NONLINEAR LOW-PASS FILTER  
A low-pass filter, the frequency response of which demonstrating substantially no attenuation at frequencies below a preselected break frequency and having substantially zero volts per volt gain at...
3586878 SAMPLE, INTEGRATE AND HOLD CIRCUIT  
A signal sample, integrate, and hold circuit with data signal samples AND enabled to generally insure that when a signal is coexistent with the enable signal only a portion of the data bit truly...
3586880 ISOLATION AND COMPENSATION OF SAMPLE AND HOLD CIRCUITS  
The invention concerns a sample and hold circuit including charge storage capacitors and switches connected between input and output amplifiers and operable to provide substantially improved...
3551698 ANALOG MEMORY SYSTEM  
Matches 401 - 450 out of 484 < 1 2 3 4 5 6 7 8 9 10 >