Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7557519 | Controlling power to light-emitting device | — | 2009-07-07 |
| 7368833 | Multichannel DC/DC converter | — | 2008-05-06 |
| 7355472 | Method and device for correcting signal distortions in an amplifier device | — | 2008-04-08 |
| 7336625 | Method and system for transmitting data via a radio interface | Rolf Hertel | 2008-02-26 |
| 7274763 | Unit for determining the sampling phase | Markus Hammes, Johannes van den Boom | 2007-09-25 |
| 7253592 | DC voltage converter and method for converting a DC voltage | Andreas Leyk | 2007-08-07 |
| 7176661 | DC voltage converter and method for converting a DC voltage | — | 2007-02-13 |
| 7129737 | Method for avoiding transients during switching processes in integrated circuits, and an integrated circuit | Ulrich Boetzel, Frank Gersemsky, Markus Hammes, Rudiger Lorenz, Andre Neubauer +2 more | 2006-10-31 |
| 7085373 | Circuit and method for detecting AC voltage pulses | Thomas Hauser, Frank Hurtgen | 2006-08-01 |
| 7079568 | Frequency hopping method for a mobile radio telephone system | Ulrich Boetzel, Dieter Brueckmann, Rüdiger Pott | 2006-07-18 |
| 7053676 | Circuit arrangement for generating a signal having a specific waveform with an adjustable voltage level | — | 2006-05-30 |
| 7039090 | Method for controlling antennas of a receiving device in a radio system | Ulrich Boetzel, Bernd Schmandt | 2006-05-02 |
| 7016683 | Frequency scheme for data transmission systems | Ulrich Bötzel, Andre Neubauer | 2006-03-21 |
| 6992468 | Boost regulator utilizing a digital controller | — | 2006-01-31 |
| 6963737 | Circuit configuration for metering pulse recognition | Lukas Dörrer, Bernd Krah | 2005-11-08 |
| 6933872 | Digital/analog converter circuit with a device for compensating nonlinear distortions | — | 2005-08-23 |
| 6928159 | Telephone for connection to a public telephone network | — | 2005-08-09 |
| 6885254 | Calibration device and method for generating a clock in an integrated circuit | — | 2005-04-26 |
| 6778510 | Digital telecommunication facility | Stefan Heinen | 2004-08-17 |
| 6771711 | Digital GMSK filter | Volker Christ | 2004-08-03 |
| 6765970 | Method and apparatus for preventing interference | — | 2004-07-20 |
| 6762589 | Circuit for charging rechargeable batteries having a combined charging and overvoltage protection circuit | Rolf Beerwerth, Hans-Gerd Kirchhoff | 2004-07-13 |
| 6690210 | Transmitting device | Abdul-Karim Hadjizada | 2004-02-10 |
| 6553424 | Circular buffer for a TDMA data transmission station and corresponding data transmission station | Ulrich Bötzel | 2003-04-22 |
| 6363059 | Digital telecommunication facility | Stefan Heinen | 2002-03-26 |