Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4612420 | Loudspeaker system for converting a digitized electric signal into an acoustic signal | Joris A. M. Nieuwendijk | 1986-09-16 |
| 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, Franciscus J. Op de Beek, Georgius B. J. Sanders, Jacob M. Van Nieuwland | 1986-01-21 |
| 4555797 | Hybrid loudspeaker system for converting digital signals to acoustic signals | Joris A. M. Nieuwendijk, Georgius B. J. Sanders, Jacob M. Van Nieuwland | 1985-11-26 |
| 4544806 | Ribbon-type transducer with a multi-layer diaphragm | Joris A. M. Nieuwendijk, Georgius B. J. Sanders | 1985-10-01 |
| 4484037 | Ribbon-type electro-acoustic transducer with low distortion and improved sensitivity | Joris A. M. Nieuwendijk | 1984-11-20 |