Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11841442 | Doppler tracking for signals of opportunity using rate-line detection | Ronald Duane McCallister, Steven Goisman | 2023-12-12 |
| 8724757 | Symbol timing synchronization methods and apparatus | — | 2014-05-13 |
| RE43963 | Constrained-envelope digital-communications transmission system and method therefor | Ronald Duane McCallister, Bradley P. Badke | 2013-02-05 |
| RE41380 | Constrained-envelope digital-communications transmission system and method therefor | Ronald Duane McCallister, Bradley P. Badke | 2010-06-15 |
| 7173988 | Adaptive phase and gain imbalance cancellation | Mark A. Webster, Michael J. Seals | 2007-02-06 |
| 6931343 | On-signal quadrature modulator calibration | Mark A. Webster, Michael J. Seals | 2005-08-16 |
| 6735734 | Multipoint TDM data distribution system | John M. Liebetreu, Eric M. Brombaugh, Ronald Duane McCallister | 2004-05-11 |
| 6507628 | Distortion-compensated digital communications receiver and method therefor | Ronald Duane McCallister | 2003-01-14 |
| 6452948 | Method for baud-clock phase synchronization in a TDMA digital communications system and apparatus therefor | Ronald Duane McCallister, Eric M. Brombaugh | 2002-09-17 |
| 6442217 | Digital communication receiver with digital, IF, I-Q balancer | — | 2002-08-27 |
| 6392500 | Rotationally invariant digital communications | Ronald Duane McCallister, Bradley P. Badke | 2002-05-21 |
| 6366619 | Constrained-envelope transmitter and method therefor | Ronald Duane McCallister, Bradley P. Badke | 2002-04-02 |
| 6363124 | Phase-noise compensated digital communication receiver and method therefor | — | 2002-03-26 |
| 6362701 | Digital communications modulator having an interpolator upstream of a linearizer and method therefor | Eric M. Brombaugh, John M. Liebetreu, Ronald Duane McCallister | 2002-03-26 |
| 6337606 | Digital communications modulator having a modulation processor which supports high data rates | Eric M. Brombaugh, John M. Liebetreu, Ronald Duane McCallister | 2002-01-08 |
| 6222878 | Communication system with end-to-end quadrature balance control | Ronald Duane McCallister | 2001-04-24 |
| 6154510 | Symbol timing recovery based on adjusted, phase-selected magnitude values | Ronald Duane McCallister | 2000-11-28 |
| 6151368 | Phase-noise compensated digital communication receiver and method therefor | — | 2000-11-21 |
| 6104761 | Constrained-envelope digital-communications transmission system and method therefor | Ronald Duane McCallister, Bradley P. Badke | 2000-08-15 |
| 6097764 | Pragmatic trellis-coded modulation system and method therefor | Ronald Duane McCallister, John M. Liebetreu | 2000-08-01 |
| 6078625 | Pragmatic decoder and method therefor | Ronald Duane McCallister, John M. Liebetreu | 2000-06-20 |
| 6005897 | Data communication system and method therefor | Ronald Duane McCallister, John M. Liebetreu | 1999-12-21 |
| 5995551 | Rotationally invariant pragmatic trellis coded digital communication system and method therefor | Ronald Duane McCallister, John M. Liebetreu | 1999-11-30 |
| 5881110 | Carrier phase synchronization by reverse playback | — | 1999-03-09 |
| 5878085 | Trellis coded modulation communications using pilot bits to resolve phase ambiguities | Ronald Duane McCallister, John M. Liebetreu | 1999-03-02 |