Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6996089 | Method of transmitting digitally coded traffic information and radio receiver for same | Michael P. Ruf, Ulrich Kersken, Claus Dorenbeck, Heinrich Schmidt | 2006-02-07 |
| 6924751 | Method for transmitting digitally encoded traffic messages | Heinrich Schmidt | 2005-08-02 |
| 6434138 | Process for transmitting messages by digital sound broadcasting and receiver for carrying out this process | Ulrich Kersken, Thomas Lauterbach | 2002-08-13 |
| 6230134 | Process for separating and characterizing spoken announcements in a radio transmission | Andreas Kynast, Andreas Vahle, Oliver Ahrens, Ulrich Kersken | 2001-05-08 |