Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829581 | Electrodynamic transducer comprising a two-part diaphragm | Joris A. M. Nieuwendijk | 1989-05-09 |
| 4723296 | Electrodynamic transducer of the isophase or ribbon type | Joris A. M. Nieuwendijk, Johannes W. T. Bax | 1988-02-02 |
| 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, Wilhelmus D. A. M. van Gijsel, Jacob M. Van Nieuwland | 1986-01-21 |
| 4555797 | Hybrid loudspeaker system for converting digital signals to acoustic signals | Joris A. M. Nieuwendijk, Wilhelmus D. A. M. van Gijsel, Jacob M. Van Nieuwland | 1985-11-26 |
| 4547631 | Large-excursion electroacoustic transducer | Joris A. M. Nieuwendijk, Cornelis D. Van Dijk, Adrianus J. M. Kaizer | 1985-10-15 |
| 4544806 | Ribbon-type transducer with a multi-layer diaphragm | Joris A. M. Nieuwendijk, Wilhelmus D. A. M. van Gijsel | 1985-10-01 |