Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8446931 | Chip timing synchronization for link that transitions between clear and spread modes | Merle L. Keller, Steve J. McEntire, Kent R. Bruening | 2013-05-21 |
| 8391334 | Communications reliability in a hub-spoke communications system | Merle L. Keller, Roger T. Baker | 2013-03-05 |
| 8102897 | Direct sequence spread spectrum system and method with plural chipping rates | Merle L. Keller, Kent R. Bruening | 2012-01-24 |
| 7639725 | System and method for multi-phase composite PN code generation | Michael L. Wilson, Merle L. Keller, Kent R. Bruening | 2009-12-29 |
| 7570196 | Apparatus, method, computer program product and system providing asynchronous transmission of communications data using time-gated techniques | Larry S. Thomson, David H. Robbins, James J. Boesch | 2009-08-04 |
| 7496080 | System and method for priority communication management in a hybrid TDMA-SS system | Merle L. Keller, Zachary C. Bagley | 2009-02-24 |
| 7403583 | System and method for predictive synchronization for locating interleaving frames and demodulation training sequences | Kent R. Bruening, Zachary C. Bagley | 2008-07-22 |
| 7251455 | Techniques for antenna tracking | Roy Fletcher Lunsford, Ryan Clark Beard, Jeffrey Craig Wright | 2007-07-31 |
| 7221665 | System and method for PN encoded signal prioritization and collision mitigation | Merle L. Keller | 2007-05-22 |
| 7200233 | System and method for fast data encryption/decryption using time slot numbering | Merle L. Keller, Steve J. McEntire, Victor D. Albertini | 2007-04-03 |
| 7190711 | Linear search system and method for determining Psuedo-Noise (PN) composite phase | Merle L. Keller, Dale D. Fonnesbeck | 2007-03-13 |
| 7167504 | System and method for fast data rate discovery from PN codes | Merle L. Keller, Kent R. Bruening, Steve J. McEntire | 2007-01-23 |
| 7065127 | System and method for generating and acquiring pseudo-noise (PN) spread signals | Merle L. Keller, Kent R. Bruening | 2006-06-20 |
| 7054350 | Method and system for acquiring pseudo-noise (PN) decade-code phase | Merle L. Keller, Steve J. McEntire | 2006-05-30 |
| 6975683 | Radio frequency burst interference mitigation | Merle L. Keller, Albert Earl Hansen | 2005-12-13 |
| 6944211 | Method and system for deriving dynamic data clocks from PN codes | Merle L. Keller, Kent R. Bruening | 2005-09-13 |
| 5303260 | Method and circuit for compensating for oscillator drift in a spread-spectrum communication system | Dale D. Fonnesbeck | 1994-04-12 |
| 5204875 | 4-ary correlator, matched filter, and decoder for coherent, direct sequence, spread spectrum applications | Merle L. Keller | 1993-04-20 |
| 5063387 | Doppler frequency compensation circuit | — | 1991-11-05 |
| 5048053 | Detecting and tracking circuit for component PN codes | John W. Zscheile, Jr. | 1991-09-10 |
| 5022049 | Multiple access code acquisition system | Curtis M. Abrahamson, John W. Zscheile, Jr. | 1991-06-04 |
| 5003552 | Carrier aided code tracking loop | — | 1991-03-26 |
| 4839603 | Multiple-loop microwave frequency synthesizer using two phase lockloops | Evan A. Deneris, John Benjamin Cox | 1989-06-13 |
| 4814727 | Wide-deviation tracking filter circuit | — | 1989-03-21 |
| 4801900 | Image reject apparatus for signal synthesis applications | — | 1989-01-31 |