Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7905418 | RFID tag | Helfried Vollbrecht, Juergen Mayer | 2011-03-15 |
| 7692529 | Passive entry and immobilizer at different frequencies using same antenna coil | Andreas Hagl | 2010-04-06 |
| 6950008 | Authentication of a first transceiver unit with respect to a second transceiver unit located at a distance | Andreas Hagl | 2005-09-27 |
| 6690259 | Security system to enable authenticated access of an individual to a protected area | Andreas Hagl | 2004-02-10 |
| 6674359 | Method of identifying several transponders | Simon Atherton, Adolf Baumann, Thomas Flaxl, Andreas Hagl | 2004-01-06 |
| 6215437 | Procedure for reading the data stored in a transponder and a transponder system for the execution of the procedure | Josef H. Schurmann, Andreas Hagl | 2001-04-10 |
| 6133834 | Method of trimming film type antennas | Gerhard Eberth, Heiner Brenninger, Alfons Lichtenegger, Christian Ecker, Adolf Baumann +2 more | 2000-10-17 |
| 5948116 | Bit error correction algorithm | Andreas Hagl | 1999-09-07 |
| 5929801 | Method for repeating interrogations until failing to receive unintelligible responses to identify plurality of transponders by an interrogator | Alain Berthon | 1999-07-27 |
| 5793324 | Transponder signal collision avoidance system | Herbert Meier, Andreas Hagl | 1998-08-11 |