Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8013716 | Method for wireless data transmission | Martin Fischer, Dirk Ziebertz | 2011-09-06 |
| 7999659 | Method for access control | — | 2011-08-16 |
| 7994921 | Method for wireless data transmission and a transponder | Martin Fischer, Jens Masuch, Michael Pangels, Dirk Ziebertz | 2011-08-09 |
| 7986653 | Wireless data transmission between base station and transponder with transmission parameter adjusted based on transponder operating information | — | 2011-07-26 |
| 7893815 | Method for selecting one or several transponders | — | 2011-02-22 |
| 7872567 | Method for transponder access control | — | 2011-01-18 |
| 7859387 | Backscatter transponder | — | 2010-12-28 |
| 7768948 | Method and device for data transmission | — | 2010-08-03 |
| 7733217 | Method for data transmission in RFID or remote sensor systems | — | 2010-06-08 |
| 7675964 | Method for transmitting a plurality of information symbols | — | 2010-03-09 |
| 7633111 | Semiconductor structure | — | 2009-12-15 |
| 7613987 | Method for wireless data transmission | — | 2009-11-03 |
| 7609147 | Method and apparatus for improving wireless data transmission | — | 2009-10-27 |
| 7592919 | Circuit arrangement for use in RF transponders and method for controlling a number of such transponders | Martin Fischer | 2009-09-22 |
| 7590087 | Methods for wireless data transmission between a base station and one or more transponders | — | 2009-09-15 |
| 7436286 | Circuit arrangement and method for increasing the functional range of a transponder | Martin Fischer, Volkhard Flassnoecker, Dirk Ziebertz | 2008-10-14 |
| 7385950 | Method of transmitting data with optimized transmission rate using packet header that defines data encoding parameters | — | 2008-06-10 |
| 7376391 | Wireless data transmission between base station and transponder with encoding/decoding parameter adjusted dependent on header symbol duration | Martin Fischer | 2008-05-20 |
| 7359472 | Method and apparatus for wireless data transmission | — | 2008-04-15 |
| 7342481 | Method and circuit arrangement for wireless data transmission | Martin Fischer | 2008-03-11 |
| 7336154 | Method for selecting one or more transponders | — | 2008-02-26 |
| 7321300 | Security device for a transponder | Dirk Ziebertz | 2008-01-22 |
| 7312692 | Method for selecting one or several transponders | — | 2007-12-25 |
| 7277478 | Method for transmitting data between a base station and a transponder | Martin Fischer | 2007-10-02 |
| 7173519 | Circuit arrangement with simplified input circuit for phase modulation in a backscattering transponder | Martin Fischer | 2007-02-06 |