Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9209925 | Passive optical networking redundancy via two or more auto sensing optical line terminals | Craig L. Lutgen, Thomas Ray Dobozy | 2015-12-08 |
| 8953941 | Method and apparatus for identifying a port in a passive optical network | Craig L. Lutgen | 2015-02-10 |
| 7941559 | Media access control address translation for a fiber to the home system | Timothy D. Adcox | 2011-05-10 |
| 7356042 | Distributed ethernet hub | Barry Joe Ethridge, James J. Gainer, Joseph Whitehead | 2008-04-08 |
| 7085261 | Digital packet network for the local access loop | Barry Joe Ethridge, James J. Gainer | 2006-08-01 |
| 6781981 | Adding DSL services to a digital loop carrier system | — | 2004-08-24 |
| 6707833 | Digital laser driver circuit | — | 2004-03-16 |
| 6609842 | Linear laser driver circuit | — | 2003-08-26 |
| 6535308 | Method and apparatus for converting electrical signals and optical signals for bidirectional communication over a single optical fiber | George BuAbbud, Mark W. Hastings | 2003-03-18 |
| 6466572 | Distributed ethernet hub | Barry Joe Ethridge, James J. Gainer, Joseph Whitehead | 2002-10-15 |
| 6366464 | Card cage for circuit cards in an optical network unit | Michael R. Cosley, John Matthes, James D. Zipper, Barry Joe Ethridge | 2002-04-02 |
| 6362908 | Multi-service adaptable optical network unit | John Matthes, Barry Joe Ethridge | 2002-03-26 |
| 6353609 | Digital packet network for the local access loop | Barry Joe Ethridge, James J. Gainer | 2002-03-05 |
| 6151226 | Four quadrant power conversion topology | William Chen, Edwin Glenn Yancey | 2000-11-21 |
| 5225789 | Four quadrant current mode switching amplifier | Steven L. Caine | 1993-07-06 |
| 5046067 | Digital transmission system | — | 1991-09-03 |
| 4253180 | Voltage controlled oscillator for a transmission line communications system receiver | — | 1981-02-24 |
| 4242542 | Frogging signal repeater for a transmission line communications system | — | 1980-12-30 |
| 4214129 | Sideband cancellation circuit for a transmission line communications system receiver | — | 1980-07-22 |
| 4213015 | Failure alarm for a transmission line communications system | — | 1980-07-15 |