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Class Information
Number: 341/131
Name: Coded data generation or conversion > Analog to or from digital conversion > Increasing converter resolution (e.g., dithering)
Description: Subject matter where, from a system having a quantizing interval corresponding to a nominally n-bit system, one obtains a system having an n+1 or greater bit system due to the application of an oscillating or periodic signal to the input signal.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8711952 Analog to digital converter with increased sub-range resolution Apr. 29, 2014
8648741 Systems and methods for randomizing component mismatch in an ADC Feb. 11, 2014
8514118 Sigma-delta modulation with reduction of spurs using a dither signal Aug. 20, 2013
8508395 Time varying quantization-based linearity enhancement of signal converters and mixed-signal systems Aug. 13, 2013
8483291 Analog to digital converter with increased sub-range resolution Jul. 9, 2013
8477053 ADC with resolution detector and variable dither Jul. 2, 2013
8471741 Method and device for reducing inter-channel coupling in interleaved and multi-channel ADCs Jun. 25, 2013
8472082 Image processing device with compensation for a focal point shift of the print head Jun. 25, 2013
8423297 Device and method for responding to influences of mind Apr. 16, 2013
8416108 Analog-to-digital conversion apparatus, analog-to-digital conversion method, and electronic device Apr. 9, 2013
RE44097 Device and method for responding to influences of mind Mar. 19, 2013
8384572 Noise injection technique Feb. 26, 2013
8378872 Dynamically adjusted A/D resolution Feb. 19, 2013
8339297 Delta-sigma modulator and dithering method including a dithering capability for eliminating idle tones Dec. 25, 2012
8319673 A/D converter with compressed full-scale range Nov. 27, 2012
8223050 Delta-sigma A/D converter Jul. 17, 2012
8193962 High resolution A/D conversion based on piecewise conversion at lower resolution Jun. 5, 2012
8174418 Inexpensively improving resolution and reducing noise of low-noise signals May. 8, 2012
8174422 Power-supply-noise cancelling circuit and solid-state imaging device May. 8, 2012
8125359 Analog-to-digital converter Feb. 28, 2012
8094056 Analog-to-digital converter Jan. 10, 2012
8085176 Method and apparatus for dithering in multi-bit sigma-delta digital-to-analog converters Dec. 27, 2011
8068045 Calibration methods and structures for pipelined converter systems Nov. 29, 2011
8018363 Nonlinear mapping in digital-to-analog and analog-to-digital converters Sep. 13, 2011
8004436 Dithering technique for reducing digital interference Aug. 23, 2011
7982643 System and method for reducing pattern noise in analog system processing Jul. 19, 2011
7978113 Analog-to-digital converter having output data with reduced bit-width and related system and method Jul. 12, 2011
7961125 Method and apparatus for dithering in multi-bit sigma-delta digital-to-analog converters Jun. 14, 2011
7961126 Method and apparatus for dithering in multi-bit sigma-delta analog-to-digital converters Jun. 14, 2011
7956778 Analog-to-digital converter Jun. 7, 2011
7952506 .DELTA..SIGMA.-type A/D converter May. 31, 2011
7920082 D/A converter circuit and digital input class-D amplifier Apr. 5, 2011
7876247 Signal dependent dither Jan. 25, 2011
7868798 Methods and apparatus for whitening quantization noise in a delta-sigma modulator using dither signal Jan. 11, 2011
7859440 Increased resolution analog to digital converter Dec. 28, 2010
7855668 Delta sigma A/D modulator Dec. 21, 2010
7847714 .DELTA..SIGMA.-type A/D converter Dec. 7, 2010
7830287 Analog to digital converter having digital correction logic that utilizes a dither signal to correct a digital code Nov. 9, 2010
7825839 Measuring device and measuring method for measuring the power of a high-frequency signal Nov. 2, 2010
7800522 A/D converter and method for enhancing resolution of digital signal Sep. 21, 2010
7786910 Correlation-based background calibration of pipelined converters with reduced power penalty Aug. 31, 2010
7764207 Digital processor Jul. 27, 2010
7764208 Clock dithering process for reducing electromagnetic interference in D/A converters and apparatus for carrying out such process Jul. 27, 2010
7719452 Pipelined converter systems with enhanced linearity May. 18, 2010
7696910 Dither circuit and analog digital converter having dither circuit Apr. 13, 2010
7663518 Dither technique for improving dynamic non-linearity in an analog to digital converter, and an analog to digital converter having improved dynamic non-linearity Feb. 16, 2010
7649481 Blue-noise-modulated sigma-delta analog-to-digital converter Jan. 19, 2010
7633417 Device and method for enhancing the human perceptual quality of a multimedia signal Dec. 15, 2009
7602324 A/D converter and method for converting analog signals into digital signals Oct. 13, 2009
7580157 High-pass dither generator and method Aug. 25, 2009

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