Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4639679 | Frequency-doubling circuit | Herman Wouter Van Rumpt | 1987-01-27 |
| 4636663 | Double-balanced mixer circuit | Abraham Jongepier | 1987-01-13 |
| 4633315 | Receiver for RF-signals comprising a pair of parallel signal paths | — | 1986-12-30 |
| 4631499 | Phase-locked loop for a directly mixing synchronous AM-receiver | — | 1986-12-23 |
| 4625131 | Attenuator circuit | Dirk J. Dullemond | 1986-11-25 |
| 4607392 | Circuit for improving the tuning behavior of a receiver frequency control loop | Wolfgang Nolde | 1986-08-19 |
| 4587478 | Temperature-compensated current source having current and voltage stabilizing circuits | Dirk J. Dullemond | 1986-05-06 |
| 4574257 | Crystal resonator oscillator having circuitry for suppressing undesired crystal harmonics | Herman Wouter Van Rumpt | 1986-03-04 |
| 4569085 | Oscillator control circuit in an F.M. receiver | Wolfgang Nolde, Winfried Jansen | 1986-02-04 |
| 4554503 | Current stabilizing circuit arrangement | — | 1985-11-19 |
| 4547744 | Integrated amplifier arrangement | — | 1985-10-15 |
| 4547902 | Radio receiver comprising a frequency locked loop with audio frequency feedback, and a muting circuit | — | 1985-10-15 |
| 4523328 | FM-receiver including a frequency-locked loop | — | 1985-06-11 |
| 4509205 | Radio receiver comprising a frequency locked loop with audio frequency feedback, and a muting circuit | — | 1985-04-02 |
| 4426735 | Radio receiver comprising a frequency locked loop with audio frequency feedback, and a muting circuit | — | 1984-01-17 |
| 4242601 | Circuit arrangement for frequency division | — | 1980-12-30 |