Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4493099 | FM Broadcasting system with transmitter identification | — | 1985-01-08 |
| 4481658 | FM-broadcasting system with transmitter identification by binary phase-modulated, differentially coded code signal | — | 1984-11-06 |
| 4393273 | FM-Receiver with transmitter characterization | Theodoor A. C. M. Claasen, Gerardus C. M. Gielis, Harry Barend Schoonheijm | 1983-07-12 |
| 4252995 | Radio broadcasting system with transmitter identification | Johannes O. Voorman | 1981-02-24 |
| 4246440 | Radio broadcasting system with code signalling | Henri J. van der Heide | 1981-01-20 |
| 4208634 | Circuit for suppressing noise caused by scratches on a phonograph record | Johannes B. H. Peek | 1980-06-17 |