Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5732344 | Additive HF mixer | Hans Sapotta | 1998-03-24 |
| 5584069 | HF mixing stage in the form of a common-base circuit | Hans Sapotta | 1996-12-10 |
| 5410744 | HF mixer stage having a common base circuit | Hans Sapotta | 1995-04-25 |
| 5245218 | Electric circuit for stabilizing the transfer impedance of an integrated circuit | Rolf Bohme, Gunter Gleim, Elke Rosch | 1993-09-14 |
| 5235288 | Amplifier stage for low-resistance AC voltage sources | Hans Sapotta | 1993-08-10 |
| 5203019 | Radio receiver with improved automatic gain control | — | 1993-04-13 |
| 5124575 | Circuit array for setting the operating point of a transistor | — | 1992-06-23 |
| 4984031 | Integrated circuit arrangement | — | 1991-01-08 |
| 4983928 | Controllable amplifier circuit | — | 1991-01-08 |
| 4845445 | Amplifier | — | 1989-07-04 |
| 4792992 | Radio receiver | — | 1988-12-20 |
| 4761828 | Radio receiver | — | 1988-08-02 |
| 4689498 | Signal input circuit with constant operating power | — | 1987-08-25 |
| 4684833 | Mixer stage | — | 1987-08-04 |
| 4644257 | Band gap circuit | Rolf Bohme, Martin Siegle | 1987-02-17 |
| 4639686 | High frequency amplifier circuit | Walter Beckenbach | 1987-01-27 |
| 4617524 | Integrated amplifier circuit having RC network to suppress oscillation | Walter Beckenbach | 1986-10-14 |
| 4614916 | Circuit for transforming direct-current signals | — | 1986-09-30 |
| 4613823 | Multi-stage signal transmitting system | Martin Siegle | 1986-09-23 |
| 4613824 | Selective amplifier having common base connected transistor and inductive input signal coupling | — | 1986-09-23 |
| 4604586 | Amplifier with current mirror circuit for controlling amplification temperature dependency | — | 1986-08-05 |
| 4580288 | Receiver input circuit | — | 1986-04-01 |
| 4494076 | Signal input circuit with controlled input signal attenuation | — | 1985-01-15 |
| 4449404 | Thermoelectric level measuring device | Rolf Bohme, Jurgen Sieber | 1984-05-22 |
| 4438412 | Oscillator frequency control loop | Christopher W. Malinowski | 1984-03-20 |