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Class Information
Number: 341/143
Name: Coded data generation or conversion > Analog to or from digital conversion > Differential encoder and/or decoder (e.g., delta modulation, differential pulse code modulation)
Description: Subject matter wherein the analog signal which is to be encoded or decoded depends on the difference between a given analog signal and the analog signal previously encoded or decoded.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7308032 |
Oversampling D/A converter and method for shaping nonlinear intersymbol interference in an oversampling D/A converter |
Dec. 11, 2007 |
| 7307566 |
Apparatus and method of stabilizing sigma-delta modulator for fractional-N phase-locked-loop |
Dec. 11, 2007 |
| 7307565 |
Signal processing system with delta-sigma modulation and FIR filter post processing to reduce near out of band noise |
Dec. 11, 2007 |
| 7307564 |
Continuous-time delta-sigma modulators using distributed resonators |
Dec. 11, 2007 |
| 7304597 |
Adaptive interpolation for use in reducing signal spurs |
Dec. 4, 2007 |
| 7304594 |
Transmitting and receiving device and transmitting device and receiving device |
Dec. 4, 2007 |
| 7304593 |
Linearization circuit with digital element matching for digital-to-analog converters |
Dec. 4, 2007 |
| 7304592 |
Method of adding a dither signal in output to the last integrator of a sigma-delta converter and relative sigma-delta converter |
Dec. 4, 2007 |
| 7304483 |
One terminal capacitor interface circuit |
Dec. 4, 2007 |
| 7301491 |
Switching amplifier |
Nov. 27, 2007 |
| 7301490 |
Sigma-delta modulated power supply |
Nov. 27, 2007 |
| 7301489 |
Dithering noise cancellation for a delta-sigma modulator |
Nov. 27, 2007 |
| 7298798 |
Method and system for decoding block codes |
Nov. 20, 2007 |
| 7298308 |
Delta-sigma modulator having predictive-controlled power consumption |
Nov. 20, 2007 |
| 7298307 |
.SIGMA..DELTA.-analog-to-digital modulator and digital filter for improved noise immunity |
Nov. 20, 2007 |
| 7298306 |
Delta sigma modulators with comparator offset noise conversion |
Nov. 20, 2007 |
| 7298305 |
Delta sigma modulator analog-to-digital converters with quantizer output prediction and comparator reduction |
Nov. 20, 2007 |
| 7295141 |
Method for mixing signals with an analog-to-digital converter |
Nov. 13, 2007 |
| 7295140 |
Oversampling analog-to-digital converter and method with reduced chopping residue noise |
Nov. 13, 2007 |
| 7292174 |
Current sensing analog to digital converter and method of use |
Nov. 6, 2007 |
| 7292171 |
Method and device for the version of digital signals with heterogeneous formats and application thereof to the digital amplification of audio signals |
Nov. 6, 2007 |
| 7289054 |
Parallel oversampling algorithmic A/D converter and method of using the same |
Oct. 30, 2007 |
| 7289050 |
Amplification method and apparatus |
Oct. 30, 2007 |
| 7286070 |
RF carrier generator and method thereof |
Oct. 23, 2007 |
| 7283076 |
Digital non-integer sample/hold implemented using virtual filtering |
Oct. 16, 2007 |
| 7283075 |
Delta-sigma modulator with selectable noise transfer function |
Oct. 16, 2007 |
| 7280066 |
Single-loop switched-capacitor analog-to-digital sigma-delta converter |
Oct. 9, 2007 |
| 7280061 |
Digital-to-analog converter using a frequency hopping clock generator |
Oct. 9, 2007 |
| 7280056 |
Sigma-delta converter and use thereof |
Oct. 9, 2007 |
| 7279990 |
Sigma-delta modulator for PLL circuits |
Oct. 9, 2007 |
| 7277033 |
System and method for subtracting dither reference during analog-to-digital conversion |
Oct. 2, 2007 |
| 7277032 |
Low-pass filter based delta-sigma modulator |
Oct. 2, 2007 |
| 7276978 |
Phase locked loop comprising a sigma-delta modulator |
Oct. 2, 2007 |
| 7268716 |
Multibit .DELTA..SIGMA. modulation DA converter |
Sep. 11, 2007 |
| 7268715 |
Gain control in a signal path with sigma-delta analog-to-digital conversion |
Sep. 11, 2007 |
| 7268713 |
Superconducting circuit |
Sep. 11, 2007 |
| 7266152 |
Digital signal processing device and digital signal processing method |
Sep. 4, 2007 |
| 7265702 |
Method for converting an analog signal to multiple different phase outputs utilizing an analog-to-digital converter |
Sep. 4, 2007 |
| 7265687 |
Quantization-precision-reproduction method, quantization-precision-reproduction device, image-pickup device, information-processing device, and program |
Sep. 4, 2007 |
| 7262726 |
Quadrature bandpass .DELTA..SIGMA. converter |
Aug. 28, 2007 |
| 7262725 |
Digital expander for generating multiple analog control signals particularly useful for controlling an oscillator |
Aug. 28, 2007 |
| 7259704 |
System and method for compensating for error in a sigma delta circuit |
Aug. 21, 2007 |
| 7257164 |
Class D amplifier |
Aug. 14, 2007 |
| 7256720 |
Output filter for delta sigma modulator and digital signal processor provided with the same |
Aug. 14, 2007 |
| 7253764 |
Reference voltage generating circuit |
Aug. 7, 2007 |
| 7253761 |
Analog to digital conversion with signal expansion |
Aug. 7, 2007 |
| 7253759 |
Continuous-time delta-sigma modulators using distributed resonators |
Aug. 7, 2007 |
| 7253758 |
Third order sigma-delta modulator |
Aug. 7, 2007 |
| 7253757 |
Sigma-delta modulator having a clocked delay line |
Aug. 7, 2007 |
| 7250886 |
Sigma-delta modulator |
Jul. 31, 2007 |
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