Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658250 | System and method for a wide area wireless personal communication system incorporating advanced messaging | Enrique Laborde | 2003-12-02 |
| 5812951 | Wireless personal communication system | Ranjan Pant, Victor Liau, Robert Fischler, Kim Goh, Barry Saunders +3 more | 1998-09-22 |
| 5790676 | Radio port controller in a wireless personal communications system | Ranjan Pant, Kim Goh, Barrie A. Saunders | 1998-08-04 |
| 5781538 | Subscriber unit in a wireless personal communication system | Ranjan Pant, Victor Liau, Tayyab Khan, Desmond Coughlin, Harry Johnson | 1998-07-14 |
| 5758294 | Radio port in a wireless personal communication system | Ranjan Pant, Victor Liau, Tayyab Khan, Desmond Coughlin, Harry Johnson | 1998-05-26 |
| 5734789 | Voiced, unvoiced or noise modes in a CELP vocoder | Kumar Swaminathan, Prabhat K. Gupta | 1998-03-31 |
| 5727160 | Radio port controller in a wireless personal communication system | Ranjan Pant, Robert Fischler, Kim Goh, Barrie A. Saunders, Tayyab Khan | 1998-03-10 |
| 5666370 | High performance error control coding in channel encoders and decoders | Kumar Swaminathan, Prabhat K. Gupta, P. Vijay Kumar | 1997-09-09 |
| 5633982 | Removal of swirl artifacts from celp-based speech coders | Ho Shik Lee, Prabhat K. Gupta | 1997-05-27 |
| 5596676 | Mode-specific method and apparatus for encoding signals containing speech | Kumar Swaminathan, Prabhat K. Gupta | 1997-01-21 |
| 5519640 | Multimedia frame relay codec | Gregory Federline, Andrew Barnhart, Ranjan Pant | 1996-05-21 |
| 5255346 | Method and apparatus for design of a vector quantizer | Frank H. Wu | 1993-10-19 |
| 4718088 | Speech recognition training method | James K. Baker, John W. Klovstad, Chin-Hui Lee | 1988-01-05 |
| 4713777 | Speech recognition method having noise immunity | John W. Klovstad, Chin-Hui Lee | 1987-12-15 |