Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8363679 | Clock synchronization in a bidirectional network | Donald C. Sorenson, Jiening Ao, Steven E. Blashewski, John W. Brickell, Florin Farcas +3 more | 2013-01-29 |
| 7933288 | Multi-carrier frequency-division multiplexing (FDM) architecture for high speed digital service | Donald C. Sorenson, Jiening Ao, Steven E. Blashewski, John W. Brickell, Florin Farcas +3 more | 2011-04-26 |
| 7801119 | Multi-carrier frequency-division multiplexing (FDM) architecture for high speed digital service | Donald C. Sorenson, Jiening Ao, Steven E. Blashewski, John W. Brickell, Florin Farcas +3 more | 2010-09-21 |
| 7519081 | Multi-carrier frequency-division multiplexing (FDM) architecture for high speed digital service in local networks | Donald C. Sorenson, Jiening Ao, Steven E. Blashewski, John W. Brickell, Florin Farcas +3 more | 2009-04-14 |
| 7336680 | Multi-carrier frequency-division multiplexing (FDM) architecture for high speed digital service | Donald C. Sorenson, Jiening Ao, Steven E. Blashewski, John W. Brickell, Florin Farcas +3 more | 2008-02-26 |
| 7218901 | Automatic frequency control of multiple channels | Jiening Ao, Steven E. Blashewski, Florin Farcas, John A. Ritchie, Jr., Lamar E. West, Jr. | 2007-05-15 |
| 6567987 | Digital optical transmitter with improved noise power ratio | Forrest M. Farhan | 2003-05-20 |
| 6437895 | Digital optical transmitter with compression | Forrest M. Farhan, Leo Montreuil | 2002-08-20 |
| RE36708 | Signal to noise ratio enhancement using baseband signals in an FM television system | — | 2000-05-23 |
| 5142575 | Method and apparatus for improving video scrambling and employing split sync pulses | James O. Farmer, Blair J. Schodowski, Gregory C. Cole, John E. Tumblin, Robert O. Banker +1 more | 1992-08-25 |
| 4924498 | Method and apparatus for improving video scrambling and employing split snyc pulses | James O. Farmer, Blair J. Schodowski, Gregory C. Cole, John E. Tumblin, Robert O. Banker +1 more | 1990-05-08 |
| 4888799 | Scrambling of signals by inversion | Anatoly Kozushin, Saeed Baher, Steve Addison, Howard Paulk, James O. Farmer | 1989-12-19 |
| 4748667 | Jamming signal scrambling and descrambling systems for CATV | James O. Farmer, Anatoly Kozushin, Herman A. Kruse, William P. Lafay, Christopher P. Lewis +4 more | 1988-05-31 |
| 4698598 | FM demodulator system with threshold extension | David P. Womble | 1987-10-06 |
| 4641181 | Signal to noise ratio enhancement using baseband signals in an FM television system | — | 1987-02-03 |
| 4584599 | Signal to noise ratio enhancement using baseband signals in an FM television system | — | 1986-04-22 |
| 4567517 | Descrambler for sync-suppressed TV signals | — | 1986-01-28 |
| 4471380 | Scrambling and descrambling of television signals for subscription TV | — | 1984-09-11 |