Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7123831 | Device and method for restoring connections in automatically switchable optical networks | Joachim Charzinski, Dominic Schupke, Bernd Stilling | 2006-10-17 |
| 7013086 | Access node for optical networks with variable-access wavelengths, user device for connection to such an access node, method for feeding a number of signals from a number of users into an optical network and using an access node and at least one user device for carrying out such a method | — | 2006-03-14 |
| 6836620 | Method for monitoring the signal quality in transparent optical networks | — | 2004-12-28 |
| 6486985 | Method for transmitting an additional data signal and a useful data signal in an optical network | Jürgen Burgmeier | 2002-11-26 |
| 6388787 | Method for generating an optical frequency reference signal | — | 2002-05-14 |
| 6215568 | WDM switching network | — | 2001-04-10 |