Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6393048 | Method for the transferring a digital data signal using spread spectrum | Jürgen Mayer | 2002-05-21 |
| 6198764 | Method for the transfer of a digital data signal from a transmitter to a receiver | Jürgen Mayer | 2001-03-06 |
| 5841364 | Method and apparatus for transfering information from a transponder | Andreas Hagl | 1998-11-24 |
| 5608406 | Device for controlling discharge of a charge capacitor in a transponder | Gerhard Eberth | 1997-03-04 |
| 5552789 | Integrated vehicle communications system | — | 1996-09-03 |
| 5550548 | Interrogator for detecting adjacent transponders | — | 1996-08-27 |
| 5543798 | Method of providing a synchronized data stream suitable for use in a combined FDX and HDX RF-ID system | — | 1996-08-06 |
| 5500651 | System and method for reading multiple RF-ID transponders | — | 1996-03-19 |
| 5491484 | Electronic transponder tuning circuitry | — | 1996-02-13 |
| 5479171 | Extended range RF-ID transponder | — | 1995-12-26 |
| 5457461 | Method and arrangement for detecting adjacent transponders | — | 1995-10-10 |
| 5455575 | Multi-interrogator, datacom and transponder arrangement | — | 1995-10-03 |
| 5451958 | Dual standard RF-ID system | — | 1995-09-19 |
| 5451959 | Transponder arrangement | — | 1995-09-19 |
| 5444448 | Arrangement interrogation unit for transponder | Guenter Heinecke, Rudolf Kremer | 1995-08-22 |
| 5438335 | Responder unit for transponder arrangement | Guenter Heinecke, Rudolf Kremer | 1995-08-01 |
| 5396251 | Electronic transponder tuning procedure | — | 1995-03-07 |
| 5374930 | High speed read/write AVI system | — | 1994-12-20 |
| 5347280 | Frequency diversity transponder arrangement | — | 1994-09-13 |
| 5287112 | High speed read/write AVI system | — | 1994-02-15 |
| 5274392 | Tilted antenna | Loek D'Hont | 1993-12-28 |
| 5270717 | Extended range RF-ID transponder | — | 1993-12-14 |
| 5053774 | Transponder arrangement | Guenter Heinecke, Rudolf Kremer | 1991-10-01 |
| 4982268 | Semiconductor device package assembly hairing non-symmetrical semiconductor chip mounting within conductible lead pattern | — | 1991-01-01 |
| 4726051 | Cordless telephone | — | 1988-02-16 |