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8166084 Calibration of adjustable filters  
A filter controller. In one embodiment, the filter controller includes a first mechanism for providing an input signal to an adjustable filter. A second mechanism measures a response of the...
8036300 Dual loop clock recovery circuit  
A clock recovery circuit for digital data transmission includes a delay lock loop having a first loop which generates a phase difference signal which is indicative of a quantized phase difference...
7831645 Digital resonant shelf filter  
A method and system for designing a discrete-time filter having a transfer function which approximates that of an analog shelf filter is disclosed. Prior art methods include applying the bilinear...
7761494 Receiving module and receiver having the same  
Provided are a receiving module and a receiver having the same. The receiving modules includes: a comparing and detecting means for comparing a current bit of a received signal having a continuous...
7702701 Low-power random bit generator using thermal noise and method thereof  
A random bit generator and a method thereof are provided. The random bit generator includes an amplifier, a comparing circuit, an oscillator, a sampler, and a storage circuit. The amplifier...
7668898 Calculating circuit and method for computing an N-th root and a reciprocal of a number  
A calculating circuit and a method for generating an output signal representing an output number approximating an N-th root and/or a reciprocal of an input number represented by an input signal are...
7519583 Detecting and tracking monotonicity for accelerating range and inequality queries  
A computer implemented method, apparatus, and computer usable program code for detecting monotonicity. A determination is made as to whether a function that is assumed to be monotonic will remain...
7493353 Stochastic processor, driving method thereof, and recognition process device using the same  
A stochastic processor of the present invention includes a fluctuation generator configured to output an analog quantity having a fluctuation, a fluctuation difference calculation means configured...
7426527 Random number generator and method for generating a random number  
Random number generator having a transistor that generates an analog random telegraph signal (RTS) having a first or second signal state, a RTS detection unit for detecting the RTS generated by the...
7346593 Autoregressive model learning device for time-series data and a device to detect outlier and change point using the same  
For sequentially input data string, the outliner and the change point are detected through calculation of the outlier score and the change point score by combining a time-series model learning...
7302456 Stochastic processor and stochastic computer using the same  
A stochastic processor and a stochastic computer comprises a fluctuation generator configured to generate and output analog quantity having fluctuation comprised of chaos of tent mapping, a mixer...
7284024 Quantum noise random number generator  
A quantum noise random number generator system that employs quantum noise from an optical homodyne detection apparatus is disclosed. The system utilizes the quantum noise generated by splitting a...
7209936 Frequency locked digitally tuned oscillator synthesizer  
A synthesizer is disclosed and is digitally tuned and locked in a measured frequency. The synthesizer uses both the dual voltage control oscillator, each operating over less than an octave, in...
7197486 Optimization method with constraints and apparatus therefor  
In a method for determining a minimum value of an optimization function under constraints given by equations, a set of points which satisfy the constraints is regarded as a Riemannian manifold...
7188131 Random number generator  
A generator of random numbers by a flip-flop having a data input receiving a first signal at a first frequency comprised in a predetermined range and the instantaneous value of which is conditioned...
7177888 Programmable random bit source  
A method of producing a uniform duty cycle output from a random bit source. The method includes testing the duty cycle of said random bit source; varying the output voltage of a voltage source if...
7099906 Random bit sequence generator  
A random-bit sequence generator includes a biasing circuit, a source of a noisy voltage signal biased by the biasing circuit, an amplification stage generating an amplified signal representative of...
7058672 Resonant protection kit for power supply  
A resonant protection kit for a power supply includes a circuit adapted to perform analysis, determinative, and counter functions. The circuit collects a divided voltage on a capacitor to calculate...
7007060 Random bit stream generation by amplification of thermal noise in a CMOS process  
A method and circuit is presented for generating a random bit stream based on thermal noise of a Complementary Metal Oxide Semiconductor (CMOS) device. A circuit implementing the invention...
7003106 Efficient method for multiplication over galois fields  
The improved AES processing method provides an efficient alternative to both Mips intensive multiplication and to conventional table lookup, used to multiply terms over a Galois field (GF). The...
6976042 Low cost white noise generator  
A low cost white noise generator. An oscillator provides a signal to an analog-to-digital (AID) converter for digitizing. A bit-order reversal circuit reverses the order of the received bits,...
6965907 Apparatus for generating random numbers  
An apparatus for generating random numbers includes a source for generating random quantum phenomena, a detector to detect instances of the random quantum phenomena, and a recorder to record the...
6941336 Programmable analog system architecture  
A programmable analog system architecture and method thereof are described. The analog system architecture and method introduce a single chip solution that contains a set of tailored analog blocks...
6868430 Arithmetic unit for correcting detection output in which corrected operation output is sensitive to mechanical factors  
An arithmetic unit for correcting a detection output of a detector for a mechanical error of the detector in accordance with a predetermined input/output characteristic (straight line) is provided....
6857003 Method of generating random numbers  
A method of generating random numbers comprises: generating a first noise and passing the first noise through a first high pass filter which removes a periodic component contained in the first...
6836783 Finite-difference solver based on field programmable interconnect devices  
A method for solving a wide variety of linear partial differential equations by exploiting the normally undesirable parasitic resistances present in flexible digital switching components. The...
6779005 Method and device for detecting random missing code  
A method for detecting a random missing code by applying a delta-sigma (ΔΣ) analog digital converter having a digital filter is provided. The method includes steps of floating an input end of the d...
6745219 Arithmetic unit using stochastic data processing  
Arithmetic unit having a set of multipliers and adders receives initial data in the form of both digital operands and analog signals. Stochastic multipliers and adders carry out multiplication and...
6704757 Semiconductor arithmetic unit  
A semiconductor arithmetic unit which realizes a maximum or minimum value retrieval operation at high speed and with a high degree of accuracy used in a vector quantization processor is composed of...
6665636 Simulating the control of solids in drilling fluids, and application to determining the size of cuttings  
The present invention relates to a method of modelling a circuit travelled by a drilling mud during drilling, the circuit including both the well and the surface equipment, in particular solid...
6571263 Random number generating apparatus  
A random number generating apparatus which is suitable for miniaturization and which can easily generate binary random numbers that are cryptographically secure is provided. The apparatus...
6539410 Random number generator  
A random number generator comprises a laser for generating photons, an assembly of neutral density filters to attenuate the photons, a photomultiplier tube to detect the occurrence of a fraction of...
6463449 System for creating non-algorithmic random numbers and publishing the numbers on the internet  
A system for creating non-algorithmic, digital random numbers (20) and publishing the numbers (20) at both a high and low rate of speed on a secured Internet site (34). The numbers (20) which are...
6434488 Alignment free methodology for rapid determination of differences between a test data set and known data sets  
A method for generating data characterizing an item described by an ordered string of characters, comprises the steps of: (i) for a set of separation metrics each representing a unique number of...
6389438 Matched filter and signal reception apparatus  
A matched filter and signal reception apparatus having a low power consumption and small circuitry size. In the matched filter, an analog input signal is converted to digital data by an analog to...
6337643 Method and device for generating a random signal and digital-to-analog converting systems using same  
A process and device for generation of a random signal, and a digital-analog conversion system using such a random signal. The process includes a first noise generation step, a second noise...
6253223 Robust random number generator  
Methods and an apparatus for generating random numbers are disclosed. In a first embodiment, a method for generating random numbers involves producing a second random number. A pseudorandom number...
6216148 Adaptive analog equalizer for partial response channels  
A single analog filter structure within a partial response channel combines an antialias low pass filter and a time domain waveform shaping equalizer upstream of a digital sampler. The filter also...
6195669 Physical random number generator, method of generating physical random numbers and physical random number storing medium  
A physical random number generator including a noise source configured to generate a noise signal, an alternating current AC coupling amplifying device which amplifies the noise signal while...
6192384 System and method for performing compound vector operations  
A processor particularly useful in multimedia applications such as image processing is based on a stream programming model and has a tiered storage architecture to minimize global bandwidth...
6134569 Polyphase interpolator/decimator using continuous-valued, discrete-time signal processing  
A signal processor which can be configured to perform interpolation or decimation of an analog input signal, using a combination of continuous-valued discrete-time sampling together with digital...
6073149 Computational circuit  
A computational circuit for a multi-value addition comprising a parallel adder, an output adder, a quantizing portion and a logic conversion portion. Addition circuits in the above adders and...
6070178 Generating random numbers from random signals without being affected by any interfering signals  
A random number generator for generating random numbers. The generator may include two similarly implemented random signal sources, with each source generating a random signal. A difference signal...
6035314 Information processing method  
The reliability of solutions of simultaneous algebraic equations with integral coefficients is improved and high-speed information processing is realized. A method processes information wherein, in...
6032166 Programmable analog bandpass filtering apparatus and method and design method for a discrete time filter  
A desired programmable complex analog bandpass filter is replaced by a "black box" that receives an analog continuous-time signal and delivers an analog continuous-time signal, just as the analog...
6005363 Method and apparatus for position error signal (PES) measurement in a disk drive servo system  
An apparatus for Position Error Signal (PES) measurement in a disk drive servo system includes a variable-gain amplifier that receives an analog servo signal; a multiplier coupled to the...
6003051 Magnetic storage device and filter adjusting method applied to the same  
The cut-off frequency and boost value of an analog filter on a read channel is set to initial values When the data is read from a disk, the read data is subjected to PR equalization at an FIR...
5980097 Reduced complexity signal converter  
In a signal converter which derives from an input signal having a sample rate R/q an output signal having a larger sample rate R, the input signal is combined with a feedback signal in a subtracter...
5966313 Apparatus and method for generating random numbers  
If a random number generated by a random-number generator is equal to or greater than a random number having a predetermined amplitude, a high-level comparison result signal is produced to cause an...
5894426 Maximum/minimum value determination apparatus  
A maximum/minimum value determination apparatus for determining a maximum/minimum value between two digital signals includes two conversion modules each of which receives a first digital signal and...
Matches 1 - 50 out of 212 1 2 3 4 5 >