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| Number | Title | Issue Date |
| 7516170 | Computer graphics systems and methods using stratification by rank-1 lattices A computer program product for a computer graphics system comprises computer executable instructions recorded on a computer-readable medium: instructions executable to enable the computer to generate a selected number of sample points over an integration domain, suc... | 04/07/2009 |
| 7257608 | Apparatus and method for outputting sequence of vectors, data recording medium, and carrier wave signal Apparatus for outputting a sequence of vectors includes a first storage that stores vector x having a dimension of at least 1. A first calculator calculates vector function x′=f(x) which utilizes a first rational vector map f to which the stored vector x is input.... | 08/14/2007 |
| 7170959 | Tailored response cascaded integrator comb digital filter and methodology for parallel integrator processing A tailored response cascaded integrator comb digital filter is disclosed which has a cascaded integrator structure, a cascaded comb structure, a first rate change component, a second rate change component and can additionally include a resonator. The improved struct... | 01/30/2007 |
| 7155470 | Variable gain integrator A variable-gain integrator includes a variable-gain multiplier for multiplying digital input data that are input in time sequence by variable gain, an adder for adding output data from the variable multiplier to previous integration data, a clip circuit for limiting... | 12/26/2006 |
| 7069545 | Quantization and compression for computation reuse Software reuse instances are found from an execution trace through a process of quantization, discovery, and synthesis. Quantization includes mapping n-dimensional vectors that correspond to instructions, live-in states, and live-out states to one dimensional symbol... | 06/27/2006 |
| 7034831 | System and method for generating a low discrepancy curve in a region A system and method for generating a curve in a region, e.g., a Low Discrepancy Curve. The method may generate an unbounded Low Discrepancy Point (LDP); apply one or more boundary conditions to the unbounded LDP to generate a bounded LDP located within the region; r... | 04/25/2006 |
| 6959104 | System and method for scanning a region using a low discrepancy sequence A system and method for scanning for an object within a region using a Low Discrepancy Sequence scanning scheme. The system may comprise a computer which includes a CPU and a memory medium which is operable to store one or more programs executable by the CPU to perf... | 10/25/2005 |
| 6934732 | Simplified circuit for correlating binary and non-binary sequences A correlator circuit for calculating the correlation between a signal sequence and a binary reference sequence. A unique method of calculating the correlation value between the two sequences provides for the reduction in necessary computations and, as a result, a re... | 08/23/2005 |
| 6909801 | System and method for generating a low discrepancy curve on an abstract surface A system and method for generating a curve, such as a Low Discrepancy Curve, on a surface, such as an abstract surface with a Riemannian metric. The system may comprise a computer which includes a CPU and a memory medium which is operable to store one or more progra... | 06/21/2005 |
| 6832233 | Apparatus and method for computing multiple integral, and recording medium When numerically integrating an integrand function A over an unbounded domain, a vector map f converts an m (m≧1)-dimensional vector into an m-dimensional vector wherein a multidimensional density function ρ of the limiting distribution resulting from repeatedly ... | 12/14/2004 |
| 6304888 | High speed numerical integration method and system To provide a numerical integration system and method, suitable for a high-order dimensional Monte Carlo calculation and having high convergence speed without incurring a calculation time penalty, a multi-dimensional sequence is first converted into a one-... | 10/16/2001 |
| 6240435 | Method and device of determination of an input signal which changes in time A method of determination an input signal changed in time and its integral value has the steps of integrating an input signal to a given value of an integration result for a final point, and performing calculations also for a plurality of intermediate poi... | 05/29/2001 |
| 6161118 | Digital comb filter having a cascaded integrator stage with adjustable gain A comb filter is provided for achieving substantial attenuation of aliasing or imaging bans of a signal to be filtered. The comb filter can perform decimation or interpolation, depending upon its application. Integration can include an integration term wi... | 12/12/2000 |
| 6101519 | Method for efficiently determining a fermi-dirac integrals A computer implemented method for efficiently evaluating a Fourier sine/cosine transform of a bounded analytical function is described. The transform is computed in a plurality of steps which reduces the required transform to a sum of two terms which can ... | 08/08/2000 |
| 5790442 | Method and apparatus for generating low-discrepancy sequence, as well as apparatus and method for calculating multiple integral of function f A method and system are provided for generating a low-discrepancy sequence at high speed, comprising means for expanding an i-th coordinate value un.sup.(i) (1ࣘiࣘk) of an n-th element of the low-discrepancy sequence (uni | 08/04/1998 |
| 5781563 | Substitute circuit for a plurality of functional units For a defective functional unit (FE1), it is possible to switch over via electronic input and output changeover switches (EUS1, AUS1) via a combination unit (KOM) to a substitute functional unit (EFE). The input signal (ES1) is supplied via a combiner (VK... | 07/14/1998 |
| 5659585 | Digital integrator and digital filter of the first order A filter uses a digital integrator that establishes the sum, weighted by a coefficient B, of q1-bit input data arriving at a frequency F. The integrator includes a first p-bit shift-right register; a second q-bit shift-right register, circularly connected... | 08/19/1997 |
| 5574641 | Apparatus and method for improving the awareness of vehicle drivers An apparatus and method for detecting heartbeat pulse information of a driver, including determining a level of awareness of the driver from the heartbeat pulse information, detecting a steering angle of the vehicle, determines the level of awareness, of ... | 11/12/1996 |
| 5526475 | Method for live symbolic calculations in a mathematical document editor A mathematical document editor that can perform live symbolic calculations. The mathematical document editor is capable of placing mathematical expressions at any position on a computer screen, that represents a printed document. A symbolic dependency gra... | 06/11/1996 |
| 5485415 | Digital integrating circuit device To provide a digital integrating circuit which can increase speed by preventing the influence of a delay in carry propagation and can obtain an accumulated value for each section at a higher sampling frequency, the carry holding type adder 4 and the carry... | 01/16/1996 |
| 5313469 | Self-testable digital integrator A self-testable digital integrator comprises binary adding apparatus and storage apparatus. The adding apparatus and the storage apparatus are functionally interconnected such that the storage apparatus feeds digital words to the adding apparatus for addi... | 05/17/1994 |
| 5272658 | Long-term integrator A long-term integrator, e.g. for integrating the voltage signal from a coil measuring magnetic induction, can include a push-pull modulator followed by an analog-digital converter, a digital signal processor and a digital analog converter in cascade. Offs... | 12/21/1993 |
| 5166897 | Integral calculating apparatus An integral calculating apparatus inputs arbitrary curve data by operating keys and the like so as to display the inputted curve data, and also designates a predetermined range with respect to the inputted curve data in order to perform a definite integra... | 11/24/1992 |
| 5101370 | Programmable digital accumulate and scale circuit A novel accumulate and scale circuit is provided with an input accumulator which is only as wide as the input data stream. Additional most significant bits are generated to extend the output of the accumulate and scale circuit by providing and an up and d... | 03/31/1992 |
| 5062071 | Programmable gain accumulator A programmable digital gain accumulator is provided with a digital accumulator having approximately the same number of significant bits as the input data stream. The most significant bit of the input data stream is a sign bit coupled to a series cascade o... | 10/29/1991 |
| 5031134 | System for evaluating multiple integrals A system for computing multiple integrals employs an algorithm which selects a plurality of predetermined parameters, corresponding to selectable levels of accuracy of an approximation at the solution. The parameter values are selected and stored, along w... | 07/09/1991 |
| 4931979 | Adding apparatus having a high accuracy An apparatus for adding a first input value and a second input value smaller than the first input value comprises a memory device for memorizing an under flow component; a first adder for adding an output value from the memory device and the first input v... | 06/05/1990 |
| 4916650 | Sensor signal integrating method To eliminate the harmful influence of drift when integrating a sensor signal, the sensor signal is integrated from a time point a first predetermined time period before the sensor signal level becomes higher than the perdetermined signal level to a time p... | 04/10/1990 |
| 4862404 | Digital circuit for suppressing fast signal variations A digital circuit which receives a serial input signal and which suppresses fast signal variations. The digital circuit includes an integrator circuit (1) which generates a multi-bit signal by integration of the serial input signal. The output signal of t... | 08/29/1989 |
| 4841466 | Bit-serial integrator circuitry A bit-serial integrator includes the cascade combination of a bit-serial adder, a first bit-serial register and a second bit-serial register. Input signal is applied to one input of the adder and the output terminal of the second bit-serial register is co... | 06/20/1989 |
| 4736333 | Electronic musical instrument An array of universal processing elements (UPEs) may be interconnected through a switching matrix in response to control words which are in turn produced by a programmed digital computer in response to commands from a keyboard or a data file, thereby rout... | 04/05/1988 |
| 4713782 | Method and apparatus for measuring a transfer function A transfer function analyzer measures the real and imaginary parts of the Fourier transform of a stimulus signal applied to a device and of a resulting response signal. The integration which is performed as part of the Fourier transformation is performed ... | 12/15/1987 |
| 4692890 | Method and integrator circuit for integrating signals, in particular for scintillation gamma camera A method and integrator circuit for digitally integrating signals wherein digital signals to be integrated are supplied to a digital adder thereby generating digital adder output signals. Each digital adder output signal is stored and the stored digital a... | 09/08/1987 |
| 4398263 | Calculator having integrating function A calculator having an integration function has at least a key input section which in turn has registering keys for inputting data for setting a function to be integrated and an interval of integration, and executing keys for performing the definite integ... | 08/09/1983 |
| 4314343 | Method and apparatus for detecting and integrating chromatographic peaks Chromatographic peaks of varying width are detected and integrated by a method and apparatus that uses only the leading edge of the peak itself to detect the onset of the peak and to select for integration of the peak a filter detector having a time const... | 02/02/1982 |
| 4288734 | Bidirectional integrator A bidirectional integrator is described comprising first and second programmable pulse-forming channels (20, 40), a bidirectional counter (60) and an output display (78). Each pulse forming channel provides means for making both continuous and discrete ad... | 09/08/1981 |
| 4246642 | Leaky digital integrator A leaky digital integrator comprising an accumulator circuit including an adder having first and second adder input terminals and an adder output terminal, and a shift register coupling the adder output terminal back to the second adder input terminal and... | 01/20/1981 |
| 4145743 | Voltage level generator using digital integration Circuit for producing an output threshold voltage having a given relation to noise signals. The threshold crossings of a noise signal and a reference signal are processed by a circuit including a digital integrator to produce the threshold voltage level t... | 03/20/1979 |
| 4086656 | Analog-to-digital integrating apparatus with pulse density conversion prior to accumulation An analog-to-digital integrator utilizing a voltage to pulse frequency converter which has an analog integrator that charges and upon exceeding predetermined thresholds provides an output pulse and simultaneously discharges the integrator for a predetermi... | 04/25/1978 |
| 4034745 | Cardiotachometer The heart beat pulses of an ECG signal are counted by a digital counter. A timing signal loads the count into a register once each 15 seconds and resets the counter to zero. Four intermediate registers hold four successive counts. The output of the four r... | 07/12/1977 |
