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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 |
| 7110460 |
Delta-sigma modulators with integral digital low-pass filtering |
Sep. 19, 2006 |
| 7109805 |
Direct modulator for shift keying modulation |
Sep. 19, 2006 |
| 7107033 |
Smart radio incorporating Parascan.RTM. varactors embodied within an intelligent adaptive RF front end |
Sep. 12, 2006 |
| 7107212 |
Bitstream data reduction coding by applying prediction |
Sep. 12, 2006 |
| 7102557 |
Switched capacitor DAC |
Sep. 5, 2006 |
| 7102558 |
Five-level feed-back digital-to-analog converter for a switched capacitor sigma-delta analog-to-digital converter |
Sep. 5, 2006 |
| 7098823 |
Reduced chop rate analog to digital converter system and method |
Aug. 29, 2006 |
| 7098827 |
Integrator circuit |
Aug. 29, 2006 |
| 7098828 |
Complex band-pass .DELTA..SIGMA. AD modulator for use in AD converter circuit |
Aug. 29, 2006 |
| 7098834 |
Multi-mode analog to digital converter |
Aug. 29, 2006 |
| 7095297 |
Insulation of anti-resonance in resonators |
Aug. 22, 2006 |
| 7095350 |
DA converter circuit provided with DA converter of segment switched capacitor type |
Aug. 22, 2006 |
| 7091896 |
Analog signal sampling system and method having reduced average differential input current |
Aug. 15, 2006 |
| 7088141 |
Multi-threshold complementary metal-oxide semiconductor (MTCMOS) bus circuit and method for reducing bus power consumption via pulsed standby switching |
Aug. 8, 2006 |
| 7088280 |
Analog signal sampling system and method having reduced average input current |
Aug. 8, 2006 |
| 7084797 |
Delta sigma modulating apparatus |
Aug. 1, 2006 |
| 7084798 |
Look-ahead delta sigma modulators with quantizer input approximations |
Aug. 1, 2006 |
| 7084799 |
Sigma-delta modulated amplifier |
Aug. 1, 2006 |
| 7084800 |
System and method for shuffling mapping sequences |
Aug. 1, 2006 |
| 7081843 |
Overload protection for look-ahead delta sigma modulators |
Jul. 25, 2006 |
| 7079061 |
Sigma Delta and converter with pseudo flash converter |
Jul. 18, 2006 |
| 7079068 |
Analog to digital converter |
Jul. 18, 2006 |
| 7075466 |
System and method for improving performance of an analog to digital converter |
Jul. 11, 2006 |
| 7075468 |
Wide-bandwidth, low-latency sigma-delta modulator |
Jul. 11, 2006 |
| 7075475 |
Correlated double sampling modulation system with reduced latency of reference to input |
Jul. 11, 2006 |
| 7075995 |
Three-order sigma-delta modulator |
Jul. 11, 2006 |
| 7071856 |
Pipeline ADC calibrating method and apparatus thereof |
Jul. 4, 2006 |
| 7071860 |
System and method for noise cancellation in a signal processing circuit |
Jul. 4, 2006 |
| 7073113 |
Adaptive sigma-delta modulation with improved dynamic range |
Jul. 4, 2006 |
| 7068068 |
Re-configurable mixed-mode integrated circuit architecture |
Jun. 27, 2006 |
| 7068196 |
Digital signal processing device and digital signal processing method |
Jun. 27, 2006 |
| 7068197 |
ADC with reduced quantization noise and programmable bit resolution |
Jun. 27, 2006 |
| 7068198 |
Double-sampled integrator system and method thereof |
Jun. 27, 2006 |
| 7064697 |
Photonic sigma delta analog-to-digital conversation employing dual heterojunction thyristors |
Jun. 20, 2006 |
| 7064698 |
Circuit arrangement and method for sigma-delta conversion with reduced idle tones |
Jun. 20, 2006 |
| 7065142 |
ADSL encoder and decoder |
Jun. 20, 2006 |
| 7061415 |
Word length reduction circuit |
Jun. 13, 2006 |
| 7061416 |
Adaptive-type sigma-delta A/D converter |
Jun. 13, 2006 |
| 7061989 |
Fully digital transmitter including a digital band-pass sigma-delta modulator |
Jun. 13, 2006 |
| 7062340 |
Audio data processing systems and methods utilizing high oversampling rates |
Jun. 13, 2006 |
| 7057540 |
Sigma-delta (.SIGMA..DELTA.) analog-to-digital converter (ADC) structure incorporating a direct sampling mixer |
Jun. 6, 2006 |
| 7057541 |
Delta-sigma modulator using LC resonators |
Jun. 6, 2006 |
| 7058463 |
Method and apparatus for implementing a class D driver and speaker system |
Jun. 6, 2006 |
| 7053807 |
Apparatus and method for controlling the state variable of an integrator stage in a modulator |
May. 30, 2006 |
| 7049990 |
Single loop feed-forward modulator with summing flash quantizer and multi-bit feedback |
May. 23, 2006 |
| 7049991 |
Semiconductor device, digital-analog converter and display device thereof |
May. 23, 2006 |
| 7046046 |
Switched capacitor signal scaling circuit |
May. 16, 2006 |
| 7046173 |
Method and device for converting a quantized digital value |
May. 16, 2006 |
| 7046177 |
Servo system, apparatus comprising a servo system, sigma delta modulator, and integrated circuit comprising a sigma delta modulator |
May. 16, 2006 |
| 7046181 |
2.sup.n-1 Shuffling network |
May. 16, 2006 |
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