Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5950166 | Speech actuated control system for use with consumer product | Reinhold Hab-Umbach | 1999-09-07 |
| 5787170 | Database system with local information remotely supported with dynamic information | — | 1998-07-28 |
| 4845758 | Equalizer with adjustable band filters and a digital filter suitable for use in the equalizer | Johan M. Rijnsburger, Jacob M. Van Nieuwland, Johannes W. Kemna | 1989-07-04 |
| 4677389 | Noise-dependent volume control having a reduced sensitivity to speech signals | Johannes W. Kemna | 1987-06-30 |
| 4628530 | Automatic equalizing system with DFT and FFT | Jacob M. Van Nieuwland | 1986-12-09 |
| 4566120 | Loudspeaker system and loudspeaker for use in a loud-speaker system for converting an n-bit digitized electric signal into an acoustic signal | Joris A. M. Nieuwendijk, Georgius B. J. Sanders, Wilhelmus D. A. M. van Gijsel, Jacob M. Van Nieuwland | 1986-01-21 |