Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9751527 | In-the-road, passable obstruction avoidance arrangement | — | 2017-09-05 |
| 8639127 | Method and apparatus for improved jitter tolerance | — | 2014-01-28 |
| 7929580 | Inexpensive terahertz pulse wave generator | — | 2011-04-19 |
| 7805083 | Method and apparatus for data recovery in an optical transmission system | Zheng Gu, Andreas Thiede | 2010-09-28 |
| 7643761 | Method and apparatus for processing optical duobinary signals | Chongjin Xie | 2010-01-05 |
| 7609976 | Method and system for ultra-high bit rate fiber-optic communications | Xiang Liu, Yikai Su, Chongjin Xie | 2009-10-27 |
| 7373091 | Multicasting optical switch fabric and method of detection based on novel heterodyne receiver | — | 2008-05-13 |
| 7362977 | Method for reduction of non-linear intra-channel distortions | — | 2008-04-22 |
| 7330669 | Optical heterodyne receiver based on oversampling | — | 2008-02-12 |
| 7254343 | Method and apparatus for data recovery in an optical transmission system | Zheng Gu, Andreas Thiede | 2007-08-07 |
| 7149407 | Orthogonal heterodyne optical signal-to-noise-ratio (OSNR) monitoring method and apparatus | Christopher Doerr, Daniel Kilper, Roland Ryf, Chongjiin Xie | 2006-12-12 |
| 6941081 | Method and apparatus for polarization measurements | Paul S. Westbrook | 2005-09-06 |
| 6798930 | Method and apparatus for providing integrated broadband polarization control | — | 2004-09-28 |
| 6750956 | Method and apparatus for on-line monitoring of polarization mode dispersion in a transmission system | — | 2004-06-15 |
| 6580539 | Method and apparatus for controlling the optical power of an optical transmission signal | Bernd Teichmann | 2003-06-17 |
| 6538787 | Apparatus and method for polarization mode dispersion emulation and compensation | Herwig Werner Kogelnik | 2003-03-25 |
| 6456408 | Method and apparatus for controlling the optical power of a optical transmission signal | — | 2002-09-24 |
| 6421151 | Method and arrangement for stabilizing wavelength of multi-channel optical transmission systems | Matthias Berger | 2002-07-16 |
| 6327401 | Multifrequency laser system | Christopher Doerr, Charles H. Joyner, Martin Zirngibl | 2001-12-04 |
| 6236495 | Optical dispersion compensation | — | 2001-05-22 |