 |
|
 |
| |
 |
|
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 |
| 6717537 |
Method and apparatus for minimizing latency in digital signal processing systems |
Apr. 6, 2004 |
| 6717538 |
DA converter and data reproducing apparatus |
Apr. 6, 2004 |
| 6718502 |
Precoders for partial response channels |
Apr. 6, 2004 |
| 6710728 |
Delta-sigma analog to digital converter |
Mar. 23, 2004 |
| 6710729 |
Idle channel tone and periodic noise suppression for sigma-delta modulator using feedback-quantizer |
Mar. 23, 2004 |
| 6710733 |
Comparator circuit |
Mar. 23, 2004 |
| 6707405 |
Integrated analog multiplexer |
Mar. 16, 2004 |
| 6707407 |
Method for converting a video signal from one of an analogue and digital form to the other of the analogue and digital form with enhanced signal to noise ratio |
Mar. 16, 2004 |
| 6707408 |
Sigma-delta pulse-width-modulated signal generator circuit |
Mar. 16, 2004 |
| 6707409 |
Sigma-delta analog to digital converter architecture based upon modulator design employing mirrored integrator |
Mar. 16, 2004 |
| 6707855 |
Digital delta sigma modulator in a fractional-N frequency synthesizer |
Mar. 16, 2004 |
| 6703959 |
Signal detecting method and signal detecting device |
Mar. 9, 2004 |
| 6700518 |
Digital switching amplifier |
Mar. 2, 2004 |
| 6700519 |
Delta sigma type AD converter |
Mar. 2, 2004 |
| 6700520 |
Multi-bit continuous time sigma-delta ADC |
Mar. 2, 2004 |
| 6696998 |
Apparatus for generating at least one digital output signal representative of an analog signal |
Feb. 24, 2004 |
| 6696999 |
Sigma delta modulator |
Feb. 24, 2004 |
| 6697000 |
Delta-sigma modulator with feed-forward path |
Feb. 24, 2004 |
| 6697001 |
Continuous-time sigma-delta modulator with discrete time common-mode feedback |
Feb. 24, 2004 |
| 6697002 |
Low-pass filter |
Feb. 24, 2004 |
| 6697003 |
System and method for dynamic element matching |
Feb. 24, 2004 |
| 6697004 |
Partial mismatch-shaping digital-to-analog converter |
Feb. 24, 2004 |
| 6697006 |
Conditioning circuit for selectively buffering an input signal to a signal processing circuit, and a signal processing circuit incorporating the conditioning circuit |
Feb. 24, 2004 |
| 6697688 |
Audio information processing system |
Feb. 24, 2004 |
| 6693571 |
Modulation of a digital input signal using a digital signal modulator and signal splitting |
Feb. 17, 2004 |
| 6693572 |
Digital tuning scheme for continuous-time sigma delta modulation |
Feb. 17, 2004 |
| 6693573 |
Mixed technology MEMS/BiCMOS LC bandpass sigma-delta for direct RF sampling |
Feb. 17, 2004 |
| 6693574 |
D/A converter and delta-sigma D/A converter |
Feb. 17, 2004 |
| 6693576 |
Methods and apparatus providing multiple concurrent acquisition modes in a digitizing measurement instrument |
Feb. 17, 2004 |
| 6686860 |
Reconfigurable analog-to-digital converter |
Feb. 3, 2004 |
| 6683548 |
Analog isolation system with digital communication across a capacitive barrier |
Jan. 27, 2004 |
| 6683550 |
High precision, high-speed signal capture |
Jan. 27, 2004 |
| 6683551 |
Digital-to-analog converter and method of operation |
Jan. 27, 2004 |
| 6683905 |
Dual-mode receiver |
Jan. 27, 2004 |
| 6680679 |
Method and apparatus for electrical conversion of non-return to zero encoded signal to return to zero encoded signal |
Jan. 20, 2004 |
| 6680680 |
Process and device for converting an analog signal into a digital signal with automatic gain control |
Jan. 20, 2004 |
| 6680682 |
Process for the analog/digital conversion of an analog signal within a terminal of a wireless communication system, for example a mobile telephone, and corresponding terminal |
Jan. 20, 2004 |
| 6677875 |
Sigma-delta analog-to-digital converter and method |
Jan. 13, 2004 |
| 6677876 |
Differential sigma-delta DAC with dynamic spectral shaping |
Jan. 13, 2004 |
| 6674381 |
Methods and apparatus for tone reduction in sigma delta modulators |
Jan. 6, 2004 |
| 6674382 |
Line driver structures that enhance driver performance |
Jan. 6, 2004 |
| 6670901 |
Dynamic range on demand receiver and method of varying same |
Dec. 30, 2003 |
| 6670902 |
Delta-sigma modulators with improved noise performance |
Dec. 30, 2003 |
| 6664850 |
Delay variability reduction method and apparatus |
Dec. 16, 2003 |
| 6664908 |
Synchronized pulse width modulator |
Dec. 16, 2003 |
| 6664913 |
Lossless coding method for waveform data |
Dec. 16, 2003 |
| 6661359 |
Device and method for generating synchronous numeric signals |
Dec. 9, 2003 |
| 6661362 |
Methods and systems for high speed quantizers |
Dec. 9, 2003 |
| 6661363 |
System and method for adaptive sigma-delta modulation |
Dec. 9, 2003 |
| 6657566 |
Conversion of a PCM signal into a UPWM signal |
Dec. 2, 2003 |
|
|
|
 |
|
 |
|
| |
Randomly Featured Patents |
|
