Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7550727 | Infrared (IR) receiving device | Helmut Rieder, Wolfgang Boh, Andreas Schalk | 2009-06-23 |
| 7447480 | Wireless, especially mobile, communication device for communicating with communication devices in vehicles | Helmut Rieder | 2008-11-04 |
| 7236103 | Infrared (IR) communication device for motor vehicles | Wolfgang Boh | 2007-06-26 |
| 7128262 | Automatic fee charging system | Helmut Rieder | 2006-10-31 |
| 6681080 | Wake-up circuit for an electronic apparatus | Helmut Rieder, Wolfgang Boh | 2004-01-20 |
| 6567200 | Photoelectric current amplifying circuit | Helmut Rieder | 2003-05-20 |