| 9526045 |
Call drop avoidance during radio link failure |
Hajo Bakker, Lutz Ewe, Siegfried Klein |
2016-12-20 |
| 7201017 |
Refrigeration unit |
Dietrich Schneider, Emanuele Negro, Helner Veelken |
2007-04-10 |
| 6741854 |
Method for transferring operating parameters from a control center to a locally limited wireless telecommunications system and a corresponding wireless telecommunications system |
Edgar Kuhn, Christoph Sperber |
2004-05-25 |
| 6359924 |
Wireless telecommunications system, base station and mobile user terminal that exchange radio signals according to a frequency hopping sequences |
Edgar Kuhn, Christoph Sperber, Philippe Desblancs, Xavier Dugast |
2002-03-19 |
| 6334216 |
Access control facility for a service-on-demand system |
— |
2001-12-25 |
| 6311062 |
Method and telecommunications unit for establishing a telecommunications link in superposed digital radio networks |
Christoph Sperber, Edgar Kuhn |
2001-10-30 |
| 6126069 |
Chip card, method and system for using and paying for services |
Rolf Stiefel, Roland Sawatzki |
2000-10-03 |
