Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10270637 | Communication system with PAPR management using noise-bearing subcarriers | Ronald Duane McCallister | 2019-04-23 |
| 9882756 | Communication system with PAPR management using noise-bearing subcarriers | Ronald Duane McCallister | 2018-01-30 |
| 8976896 | Transmitter linearized in response to derivative signal and method therefor | Ronald Duane McCallister | 2015-03-10 |
| 8934573 | Distortion-compensated RF transmitter and method therefor | Ronald Duane McCallister | 2015-01-13 |
| 8824574 | Transmitting unit that reduces PAPR and method therefor | Ronald Duane McCallister | 2014-09-02 |
| 8649743 | Transmitter linearized using inversing and non-inversing transform processing sections and method therefor | Ronald Duane McCallister | 2014-02-11 |
| 8615208 | Transmitter linearized in response to signal magnitude derivative parameter and method therefor | Ronald Duane McCallister | 2013-12-24 |
| 8605814 | Distortion-compensated RF transmitter and method therefor | Ronald Duane McCallister | 2013-12-10 |
| 8489047 | Transmitter linearized using bias deviation gain adjustment and method therefor | Ronald Duane McCallister | 2013-07-16 |
| 8351876 | Transmitter linearized using cartesian-processed look-up table and method therefor | Ronald Duane McCallister | 2013-01-08 |
| 8185065 | Transmitting unit that reduces PAPR using out-of-band distortion and method therefor | Ronald Duane McCallister | 2012-05-22 |
| 7899416 | RF transmitter with heat compensation and method therefor | Ronald Duane McCallister | 2011-03-01 |
| 7869767 | Method and apparatus for adaptively controlling signals | Ronald Duane McCallister | 2011-01-11 |
| 7783260 | Method and apparatus for adaptively controlling signals | Ronald Duane McCallister | 2010-08-24 |
| 7751786 | Method and apparatus for adaptively controlling signals | Ronald Duane McCallister | 2010-07-06 |
| 7747224 | Method and apparatus for adaptively controlling signals | Ronald Duane McCallister | 2010-06-29 |
| 7724840 | RF transmitter with predistortion and method therefor | Ronald Duane McCallister | 2010-05-25 |
| 7570931 | RF transmitter with variably biased RF power amplifier and method therefor | Ronald Duane McCallister | 2009-08-04 |
| 7469491 | Transmitter predistortion circuit and method therefor | Ronald Duane McCallister | 2008-12-30 |
| 6735734 | Multipoint TDM data distribution system | John M. Liebetreu, Bruce A. Cochran, Ronald Duane McCallister | 2004-05-11 |
| 6731168 | Power amplifier linearizer that compensates for long-time-constant memory effects and method therefor | David J. Hedberg, James A. Sills | 2004-05-04 |
| 6452948 | Method for baud-clock phase synchronization in a TDMA digital communications system and apparatus therefor | Ronald Duane McCallister, Bruce A. Cochran | 2002-09-17 |
| 6362701 | Digital communications modulator having an interpolator upstream of a linearizer and method therefor | John M. Liebetreu, Bruce A. Cochran, Ronald Duane McCallister | 2002-03-26 |
| 6337606 | Digital communications modulator having a modulation processor which supports high data rates | John M. Liebetreu, Bruce A. Cochran, Ronald Duane McCallister | 2002-01-08 |
| 5949832 | Digital receiver with tunable analog filter and method therefor | John M. Liebetreu, Wyn Palmer | 1999-09-07 |