Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5528694 | Audio signal processing arrangement for deriving a centre channel signal and also an audio visual reproduction system comprising such a processing arrangement | Leon Maria Van De Kerkhof, Hendrikus De Kluijver | 1996-06-18 |
| 4375058 | Device for reading a printed code and for converting this code into an audio signal | Herman Bouma, Dominicus G. Bouwhuis, Josephus C. Jacobs | 1983-02-22 |