Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866523 | Video signal processing circuit providing noise suppression with reduced signal distortion | — | 1989-09-12 |
| 4710802 | Television receiver including a circuit arrangement for demodulating an NTSC-coded color signal | Otto L. Warmuth, Martin H. Johanndeiter | 1987-12-01 |
| 4607284 | Movement-adaptive transversal-recursive noise suppression circuit for a television signal | Marcellinus J. J. C. Annegarn | 1986-08-19 |
| 4604651 | Television circuit arrangement for field and line frequency doubling and picture part magnification | Peter H. Frencken, Marcellinus J. J. C. Annegarn | 1986-08-05 |
| 4599710 | Integrated memory circuit of a series-parallel-series type | Marcellinus J. M. Pelgrom, Jan W. Slotboom, Hendrik A. Harwig, Marcellinus J. J. C. Annegarn | 1986-07-08 |
| 4587557 | Field number conversion circuit | Laurens Doornhein, Petrus W. G. Welles, Marcellinus J. J. C. Annegarn, Antonius H. H. J. Nillesen | 1986-05-06 |
| 4513388 | Electronic device for the execution of a mathematical operation on sets of three digital variables | Hendrikus J. M. Veendrick, Leonardus C. M. G. Pfennings, Antonius H. H. J. Nillesen | 1985-04-23 |
| 4492976 | Line standard conversion circuit for a television signal | Marinus C. W. vanBuul, Wilhelmus H. C. A. van de Ven | 1985-01-08 |
| 4435728 | Field frequency-doubling circuit for a television signal | Marcellinus J. J. C. Annegarn | 1984-03-06 |
| 4393396 | Video signal processing circuit for noise reduction | Marinus C. W. Van Buul | 1983-07-12 |
| 4390894 | Noise suppression circuit for a video signal | — | 1983-06-28 |