Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661755 | Encoding and decoding of a wideband digital information signal | Leon Maria Van De Kerkhof | 1997-08-26 |
| 5649054 | Method and apparatus for coding digital sound by subtracting adaptive dither and inserting buried channel bits and an apparatus for decoding such encoding digital sound | Marc E. Groenewegen, Robbert G. Van Der Waal, Raymond N. J. Veldhuis | 1997-07-15 |