Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6078360 | Television signal comprising additional data | Laurens Doornhein | 2000-06-20 |
| 5844597 | Method of transmitting signals between communications stations | Robert Kettler | 1998-12-01 |
| 4905076 | Three dimensional television system and projection television receiver | Sing L. Tan, David A. Cammack, Douglas A. Stanton, Rameshwar N. Bharagava | 1990-02-27 |
| 4740842 | Video signal processing circuit for processing an interlaced video signal | Terence Doyle, Peter H. Frencken, Dirk A. Van Hees | 1988-04-26 |
| 4679083 | Teletext device with reduced page-access time | Herman J. R. Schmitz, Wilhelmus F. Fekkes | 1987-07-07 |
| 4636864 | Television receiver comprising a circuit for sequentially tuning the receiver to different frequencies | Petrus W. G. Welles | 1987-01-13 |
| 4607284 | Movement-adaptive transversal-recursive noise suppression circuit for a television signal | Johannes G. Raven | 1986-08-19 |
| 4604651 | Television circuit arrangement for field and line frequency doubling and picture part magnification | Peter H. Frencken, Johannes G. Raven | 1986-08-05 |
| 4599710 | Integrated memory circuit of a series-parallel-series type | Marcellinus J. M. Pelgrom, Johannes G. Raven, Jan W. Slotboom, Hendrik A. Harwig | 1986-07-08 |
| 4587557 | Field number conversion circuit | Laurens Doornhein, Johannes G. Raven, Petrus W. G. Welles, Antonius H. H. J. Nillesen | 1986-05-06 |
| 4546378 | Movement detection circuit for a PAL television signal | — | 1985-10-08 |
| 4456923 | Color television display device comprising a plurality of picture display tubes | Werner A. L. Heijnemans | 1984-06-26 |
| 4435728 | Field frequency-doubling circuit for a television signal | Johannes G. Raven | 1984-03-06 |