Edwin Ray Twitchell
18Patents
9h-index
29Co-inventors
72Inventor score
Filing activity: Mar 2, 1993 → Oct 13, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6081158A | Adaptive pre-distortion apparatus for linearizing an amplifier output within a data transmission system | Electricity | 58 | Expired |
| US6335767B1 | Broadcast transmission system with distributed correction | Electricity | 37 | Expired |
| US6285412A | Adaptive pre-equalization apparatus for correcting linear distortion of a non-ideal data transmission system | Electricity | 29 | Expired |
| US6281936A | Broadcast transmission system with sampling and correction arrangement for correcting distortion caused by amplifying and signal conditioning components | Electricity | 25 | Expired |
| US5291428A | Apparatus for reducing spurious frequency components in the output signal of a direct digital synthesizer | Physics | 17 | Expired |
| US6519010B2 | Broadcast transmission system with sampling and correction arrangement for correcting distortion caused by amplifying and signal conditioning components | Electricity | 11 | Expired |
| US5917373A | Apparatus with reduced A/D dynamic range requirement in a compensating feedback system | Electricity | 11 | Expired |
| US6501805B1 | Broadcast transmission system with single correction filter for correcting linear and non-linear distortion | Electricity | 10 | Expired |
| US7409004B2 | Hybrid polar modulator differential phase Cartesian feedback correction circuit for power amplifier linearization | Electricity | 9 | Expired |
| US6173429A | Apparatus for providing error correction data in a digital data transfer system | Electricity | 9 | Expired |
| US5801595A | Device and method for digital vestigial sideband modulation | Electricity | 8 | Expired |
| US6587018B1 | Notch filter and method | Electricity | 8 | Expired |
| US6473133B1 | Broadcast transmission system with correction for distortion caused by amplifying and signal conditioning components at a different rate | Electricity | 6 | Expired |
| US5751347A | Vestigial sideband test signal generator and method | Electricity | 3 | Expired |
| US10935624B2 | Efficiently measuring phase differences in an angle of arrival system | Electricity | 2 | Active |
| US11552675B1 | Excision of interference with hopped waveforms | Electricity | 1 | Active |
| US11677425B2 | Systems and methods for decentralized link performance | Electricity | 0 | Active |
| US6795492B1 | Configurable exciter | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.