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8930687 Secure distributed deduplication in encrypted data storage  
In an encrypted storage system employing data deduplication, encrypted data units are stored with the respective keyed data digests. A secure equivalence process is performed to determine whether...
8819094 Multiplicative division circuit with reduced area  
The technology is a division circuit with decreased circuit area. An embodiment includes an integrated circuit implementing multiplicative division of a dividend input and a divisor input. The...
8694573 Method and system for determining a quotient value  
A method for determining a quotient value from a dividend value and a divisor value in a digital processing circuit is provided. The method includes computing a reciprocal value of the divisor...
8610486 Current-mode analog computational circuit  
A current-mode analog computational circuit can be controlled to produce multiplying, squaring, divider and inverse functions and corresponding current outputs. The current-mode analog...
6952297 Method of differentially connecting photonic devices  
A method and apparatus are provided for driving an electro-optic converter assembly with an information signal. The method includes the steps of disposing a resistor having a resistance...
4949396 Divider method and apparatus with means for avoiding divide by zero errors  
A divider circuit arrangement in which in order to avoid dividing by zero the divisor (Vd) is modified by the addition of an extra signal (Xa) to form a modified divisor V'd =Vd +Xa and the...
4686647 Numerical division of two arrays by optical processing  
Apparatus for performing a division of a dividend intensity array by a divisor intensity array on a pixel-by-pixel basis, to yield a quotient intensity array, wherein optical feedback principles...
4631745 Analog divider with minimal phase distortion  
An analog divider circuit as for use in AM stereophonic receivers provides minimum phase variation with control voltage level change, by means of a feedback circuit. The division process is...
4607343 Apparatus and method for performing division with an extended range of variables  
A method and apparatus are disclosed which, for obtaining the quotient of division operations in a data processing apparatus, generate as an auxiliary value the inverse square root g of the...
4578772 Voltage dividing circuit  
The present invention relates to a voltage dividing circuit comprising capacitors or resistors. In the case of a voltage dividing circuit comprising capacitors, the capacitors are connected at one...
4476538 Trigonometric function generator  
A universal trigonometric function generator which is selectively programmable by pin-strapping to generate any of the standard trigonometric functions (sine, cosine, tangent, cotangent, secant...
4388694 Circuitry for simultaneously performing integration and division  
The disclosed circuitry for integrating an analog voltage signal with respect to time, t, while simultaneously dividing the integral by time, t, is valuable for use in medical pulmonary analyzers...
4306297 Apparatus for measuring the vector voltage ratio of two A.C. signals  
An apparatus is disclosed for determining the vector voltage ratio of two a.c. input signals. A synchronous rectifying circuit, a phase shifter and a voltmeter are employed to detect the in-phase...
4272197 Apparatus and method for measuring the ratio of two signals  
The ratio of the intensity of two light beams is determined by an apparatus which includes a chopper wheel for chopping one of the light beams, a photodetector for detecting the intensity of both...
4270175 Apparatus for dividing a segment of variable length into equal parts  
Apparatus for dividing a segment of variable length into equal parts employing any whole number as a divisor. The apparatus comprises means for realizing the segment by a difference in distance...
4190891 System having a fixed excitation and providing a variable ratio output  
A system for providing a variable ratio output signal includes differential amplifier means for measuring the amplitude of a fixed reference signal relative to system ground. The measured signal...
4155038 Automatic comparison calibration device with ratio determination  
Apparatus for comparing an unknown signal with a reference signal is adapted to determine their ratio and, where a variation exists, to compensate the unknown signal to achieve unity ratio. The...
4092724 Polar converter  
A polar display representing the ratio of two input signals is provided by exponentiating the logarithmic ratio of two input signals. The DC voltage thus produced, which is proportional to the...
4076424 Multi-channel implicit ratio computer for sequential signals  
A multi-channel electrical signal ratioing circuit for a source delivering an electric analog pulse signal sequence having a broadened choice of ratio denominator terms provided by...
4001602 Electronic analog divider  
Advantage is taken of the current-exponential voltage characteristic of a diode over a certain range whereby the incremental impedance across the diode is inversely proportional to the current...
3981586 Continuously monitoring ratiometer  
An analytically significant ratio between timevarying magnitudes of signals is periodically monitored in recurring cycles which are each synchronized with a frequency generator. During every...
3976868 Voltage synthesization  
A circuit for the simulation or synthesization of the equivalent voltage of a supply comprised of at least one voltage source and one impedance includes means to develop signals proportional to...
3896391 High speed video divider with compensation for non-linear functions  
A wide - bandwidth divider which is capable of dividing video signals in the frequency range extending from d.c. to a desired frequency such as 5 mergahertz and incorporating special compensation...
3875519 Ratio computing circuit  
A ratio computer serially accepts a reference signal pulse and two condition indicating signal pulses from a detector. The computer selects the reference pulse, which is then integrated. The...
3818207 APPARATUS FOR CONVERTING A MEASURING VOLTAGE INTO VALUES NOT PROPORTIONAL THERETO  
The invention relates to an apparatus for converting a measuring voltage into a second voltage which is not proportional to the measuring voltage. The apparatus comprises a first linear circuit...
3805046 LOGARITHMIC CONVERSION SYSTEM  
A new logarithmic conversion system takes advantage of the time domain as an intermediate step in converting an analog input signal into an output signal which is a function of the logarithm of...
3798432 MEASUREMENT OF PRESSURE RATIO  
Apparatus for evaluating width-modulated pulse waveforms, more particularly fluidic pulse waveforms which are obtained at the output of a substantially symmetrically constructed two-way switching...
3789197 ANALOG DIVIDER AND NAVIGATION COMPUTER  
A voltage analog of a denominator is integrated for a period of time, and then the integrator is reset to zero, cyclically; the output of the integrator is compared with a voltage analog of a...
3737640 ELECTRONIC FEEDBACK CONTROLLED TIME-DIVISION MULTIPLIER AND/OR DIVIDER  
An electronic system for simultaneously multiplying and dividing analog signals which comprises a closed loop circuit in which the division is accomplished by introducing the dividend signal into...
3703631 MEAN SPEED INDICATOR SYSTEMS FOR VEHICLES  
A means for speed calculator for vehicles in which the distance travelled by the vehicle and the time taken to travel such distance are converted continuously into proportional movements of two...
3691473 VOLTAGE RATIO APPARATUS WITH LOGARITHMIC OUTPUT  
Both an input voltage signal and an adjustable reference voltage signal are compared with an exponential wave for providing, through a logic circuit, an output pulse whose width is proportional to...
3675003 SYSTEMS INVOLVING DIVISION  
A system wherein division by zero is avoided. A numerator voltage is applied to a high gain amplifier having a negative feedback loop controlled by a denominator voltage which if zero disables...
3655954 CLOSED LOOP CONTROL SYSTEM WITH AUTOMATIC VARIATION OF ITS REGULATING FEEDBACK AMPLIFICATION  
In a closed-loop control system the regulated system portion has a number (n) of integration members. The regulator feedback which is connected between output and input of the regulated system...
3652930 RATIO MEASURING APPARATUS  
Ratio measuring apparatus adapted to measure various parameters of impedance elements is comprised by a multiplier energized by a divisor signal, and an integrator supplied with a dividend signal...
3634669 ANALOG COMPUTATION OF INSURANCE AND INVESTMENT QUANTITIES  
A portable analog computer for determining insurance requirements, taking net worth into account, and for calculating investment returns on funds that are incremented periodically and earn...
3624378 ELECTRONIC ANALOG DIVISION MEANS  
Electronic circuit means for performing the division of one or more signals by another signal, said electronic circuit means including at least one bridge circuit including electrooptical devices...
3624497 METHOD AND APPARATUS FOR MEASURING THE SLOPES OF ELECTRIC PULSES WHICH MAY BE ACCOMPANIED BY HIGH-BACKGROUND NOISE  
In order to measure the slopes of pulses which make up a signal which may be accompanied by high-background noise, a sawtooth wave of slope is generated. The sawtooth wave is generated in...
3547541 SPECTROMETER APPARATUS FOR SEQUENTIALLY MEASURING RATIOS OF SELECTED SPECTRAL INTENSITIES  
3538320 INTEGRATED CIRCUIT ELECTRONIC ANALOG DIVIDER WITH FIELD EFFECT TRANSISTOR THEREIN  
3538438 TRANSISTOR BETA TEST AND DISPLAY CIRCUIT  
3535503 MULTIPLIER-DIVIDER COMPUTING CIRCUIT  
3517179 ARITHMETIC CIRCUITS FOR DIVISION AND SQUARE ROOT EXTRACTION WITH FIELD EFFECT TRANSISTOR IN FEEDBACK NETWORK OF AMPLIFIER  
3514700 VOLTAGE RATIO COMPUTER  
3514612 ASTRONOMICAL SEEING CONDITIONS MONITOR  
3509332 ANALOG FOUR QUADRANT DIVIDE CIRCUIT  
3502983 SIGNAL PEAK-TO-AVERAGE RATIO DETECTOR  
3497717 ANALOG DEVICE FOR MULTIPLYING/DIVIDING USING PHOTOCONDUCTIVE MEANS  
3493738 SAMPLED DATA ANALOG DIVIDER  
3488484 COMPUTING DEVICE FOR COMPUTING THE LOGARITHM OF THE RATIO OF TWO VOLTAGES  
3705991 DIVIDING CIRCUIT USING MONOSTABLE MULTIVIBRATOR  

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