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Class Information
Number: 708/270
Name: Electrical computers: arithmetic processing and calculating > Electrical digital calculating computer > Particular function performed > Function generation
Description: Subject matter wherein a sequence of discrete values is generated to represent a desired waveform.










Sub-classes under this class:

Class Number Class Name Patents
708/275 Circular 24
708/273 Counter as source (i.e., input) 22
708/271 Direct digital frequency synthesizer 117
708/274 Linear 75
708/277 Logarithmic/exponential 107
708/272 Memory used to store waveshape 89
708/276 Trigonometric 227


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8694566 Method for decomposing an anharmonic periodic signal and corresponding computer program Apr. 8, 2014
8682950 Computer-implemented symbolic polynomial factorization Mar. 25, 2014
8676871 Functional unit capable of executing approximations of functions Mar. 18, 2014
8676872 Recursive taylor series-based computation of numerical values for mathematical functions Mar. 18, 2014
8655934 Broadband low noise complex regenerative frequency dividers Feb. 18, 2014
8655935 Processing apparatus and control method performing taylor series operation associated with executing floating point instruction Feb. 18, 2014
8650415 Electrocardiograph and blood pressure signals simulator Feb. 11, 2014
8650235 Efficient function generator using case detection and output selection Feb. 11, 2014
8615537 Method for encoding information using non linear evenly distributed functions and computer software for implementing said method Dec. 24, 2013
8615540 Arithmetic logic unit for use within a flight control system Dec. 24, 2013
8572143 Waveform generator with a register that shifts and provides groups of successive data values from an input data stream Oct. 29, 2013
8572144 Signal mapping Oct. 29, 2013
8548161 Crytographically transforming data text Oct. 1, 2013
8521659 Systems and methods of discovering mixtures of models within data and probabilistic classification of data according to the model mixture Aug. 27, 2013
8521796 Setting cordic iteration counts Aug. 27, 2013
8483625 Transceivers Jul. 9, 2013
8484269 Computing time-decayed aggregates under smooth decay functions Jul. 9, 2013
8478805 Frequency synthesis with low resolution rational division decomposition Jul. 2, 2013
8473536 Algorithm for adiabatic pulse design using the Shinnar Le-Roux transform Jun. 25, 2013
8417754 Identification of integrated circuits Apr. 9, 2013
8359345 Iterative algorithms for variance reduction on compressed sinogram random coincidences in PET Jan. 22, 2013
8339295 Method and system for managing digital to time conversion Dec. 25, 2012
8285768 Apparatus for evaluating a mathematical function Oct. 9, 2012
8275819 Methods and apparatus for performing calculations using reduced-width data Sep. 25, 2012
8239432 Incorporating noise and/or jitter into waveform generation Aug. 7, 2012
8176109 Calculating unit for reducing an input number with respect to a modulus May. 8, 2012
8156169 Signal processing method and signal processing circuit Apr. 10, 2012
8140292 Method and system for controlling a voltage waveform Mar. 20, 2012
8046397 Computations of power functions using polynomial approximations Oct. 25, 2011
8024152 Tensor linear laplacian discrimination for feature extraction Sep. 20, 2011
7987219 Incremental umbrella sampling Jul. 26, 2011
7984091 Quadratic approximation for fast fourier transformation Jul. 19, 2011
7984090 Efficient function generator using case detection and output selection Jul. 19, 2011
7945718 Microcontroller waveform generation May. 17, 2011
7928881 Direct digital frequency synthesizer using variable sine wave-weighted digital to analog converter and synthesizing method thereof Apr. 19, 2011
7925598 Efficient weighted consistent sampling Apr. 12, 2011
7917774 Electrocardiograph and blood pressure signals simulator Mar. 29, 2011
7864886 Phase calculation apparatus using binary search Jan. 4, 2011
7809338 Local oscillator with non-harmonic ratio between oscillator and RF frequencies using wideband modulation spectral replicas Oct. 5, 2010
7805122 Local oscillator with non-harmonic ratio between oscillator and RF frequencies using digital mixing and weighting functions Sep. 28, 2010
7801936 Method of generating complex waveforms and modulating signals Sep. 21, 2010
7778610 Local oscillator with non-harmonic ratio between oscillator and RF frequencies using XOR operation with jitter estimation and correction Aug. 17, 2010
7769796 Method for looking up a table for data transferring and look-up table therewith Aug. 3, 2010
7716268 Method and apparatus for providing a processor based nested form polynomial engine May. 11, 2010
7707235 Free-running numerically-controlled oscillator using complex multiplication with compensation for amplitude variation due to cumulative round-off errors Apr. 27, 2010
7702708 Frequency/delay synthesizer architecture Apr. 20, 2010
7702707 Waveform generation Apr. 20, 2010
7680868 PCR elbow determination by use of a double sigmoid function curve fit with the Levenburg-Marquardt algorithm and normalization Mar. 16, 2010
7668894 Computation of power functions using polynomial approximations Feb. 23, 2010
7634524 Arithmetic method and function arithmetic circuit for a fast fourier transform Dec. 15, 2009

1 2 3 4










 
 
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