Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6848073 | Trellis encoding technique for PCM modems | Victor Demjanenko | 2005-01-25 |
| 6643270 | Method of compensating for systemic impairments in a telecommunications network | Victor Demjanenko | 2003-11-04 |
| 6633604 | Method of improving echo canceller training in modems and of discovering characteristics of a PCM channel | Victor Demjanenko | 2003-10-14 |
| 6480549 | Method for determining attenuation in a digital PCM channel | Victor Demjancuko | 2002-11-12 |
| 6327301 | Detection and adaptation to digital network impairments by PCM modems | Victor Demjanenko | 2001-12-04 |
| 6301683 | Trellis encoding technique for PCM modems | — | 2001-10-09 |
| 6222890 | Variable spectral shaping method for PCM modems | Victor Demjanenko | 2001-04-24 |
| 6067034 | Maximal bit packing method | Victor Demjanenko, William M. Balisteri | 2000-05-23 |
| 5086454 | Direct connect modem deriving power from telephone line | — | 1992-02-04 |
| 4608702 | Method for digital clock recovery from Manchester-encoded signals | Roy J. Levy | 1986-08-26 |
| 4606052 | Method for detection of line activity for Manchester-encoded signals | Roy J. Levy | 1986-08-12 |