Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7317800 | Apparatus and method for processing an audio signal to compensate for the frequency response of loudspeakers | Matthias Vierthaler | 2008-01-08 |
| 7162038 | Audio source selection circuit | Stefan Mueller, Thomas Hilpert | 2007-01-09 |
| 6492913 | Method and circuit for decoding an analog audio signal using the BTSC standard | Matthias Vierthaler, Stefan Mueller, Thomas Hilpert, Carsten Noeske | 2002-12-10 |
| 6351631 | Carrier generations facility for a digital MPX-signal demodulation micronas intermetall GMBH | Carsten Noeske | 2002-02-26 |
| 6281813 | Circuit for decoding an analog audio signal | Matthias Vierthaler, Stefan Mueller, Thomas Hilpert, Carsten Noeske | 2001-08-28 |
| 6141646 | Digital sound processor for processing multiple standard sound signals and capable of generating additional audio signals | Miodrag Temerinac | 2000-10-31 |
| 6122381 | Stereophonic sound system | — | 2000-09-19 |
| 5898604 | Digital Signal Processor employing a random-access memory and method for performing multiplication | — | 1999-04-27 |
| 5822437 | Signal modification circuit | — | 1998-10-13 |
| 5717618 | Method for digital interpolation | Andreas Menkhoff, Miodrag Temerinac, Franz-Otto Witte | 1998-02-10 |
| 5226088 | Apparatus and methods for active noise suppression in stereo multiplex signals | Dieter Baecher | 1993-07-06 |
| 5181115 | Digital phase-locked loop | Peter M. Flamm, Hans-Juergen Desor | 1993-01-19 |
| 5062004 | Digital signal processing circuit for video tape recorder | Hans-Jurgen Desor | 1991-10-29 |
| 5057796 | Digital frequency modulation system in which high and low frequency portions are processed separately | — | 1991-10-15 |
| 4964046 | Harvard architecture microprocessor with arithmetic operations and control tasks for data transfer handled simultaneously | Soenke Mehrgardt | 1990-10-16 |
| 4872129 | Digital decimation filter | Heinrich Pfeifer, Werner Reich | 1989-10-03 |