| 8185080 |
Harmonic rejection mixer |
Sebastian Zeller, Martin Frey |
2012-05-22 |
| 6473662 |
Signal compressor for audio apparatus |
Jurgen Lubbe, Johann Henkel |
2002-10-29 |
| 6411717 |
Switched capacitor filter with a neutral bypass setting |
Jurgen Lubbe, Jorg Schambacher |
2002-06-25 |
| 6191631 |
Electric circuit comprising at least one switched capacitor and method of operating said circuit |
Jorg Schambacher, Jurgen Lubbe |
2001-02-20 |
| 6133775 |
Integrated circuit with switched capacitor |
Jorge Schambacher, Jurgen Lubbe |
2000-10-17 |
| 6111965 |
Method and apparatus for offset compensation of a signal processing circuit |
Jurgen Lubbe, Jorg Schambacher |
2000-08-29 |
| 6101257 |
Audio signal processor |
Jurgen Lubbe, Jorg Schambacher |
2000-08-08 |
| 5995817 |
Device for varying the cutoff frequency of a low-pass filter |
Jurgen Lubbe, Jorg Schambacher |
1999-11-30 |
| 5955919 |
Nonlinearity compensation in an electric signal processing circuit |
Jurgen Lubbe, Jorg Schambacher |
1999-09-21 |
| 5953430 |
Filter circuit and audio signal processor provided therewith |
Jorg Schambacher, Jurgen Lubbe |
1999-09-14 |
| 5943205 |
Driver and overload protection circuit |
Ricardo Erckert |
1999-08-24 |
| 5920632 |
Apparatus for continuously switching a demodulator from stereo operation to mono operation, and vice versa |
Jurgen Lubbe, Jorg Schambacher |
1999-07-06 |
| 5376891 |
Phase-sensitive rectifier arrangement with integration effect |
— |
1994-12-27 |
| 5245668 |
Device for aurally compensated loudness control |
— |
1993-09-14 |
| 4286306 |
Circuit arrangement for comparing the synchronism or tracking between two analog signals |
Hermann Kraus, Robert Rieger, Wolf-Dieter Schuck |
1981-08-25 |