Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5398129 | Passive optical telecommunication system for narrow band and broadband integrated services digital networks | — | 1995-03-14 |
| 5357360 | Optical data network having adjustable delays for switching over to backup unit | Andreas Imhoff, Hendrik Keller, Walter Wessely | 1994-10-18 |
| 4843467 | Method and apparatus for improving the picture quality in multi-dimensional differential pulse code modulation | Werner Liegl | 1989-06-27 |
| 4695971 | Circuit for rapidly determining the greatest difference among three binary numerical values | — | 1987-09-22 |