Issued Patents All Time
Showing 51–75 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6378069 | Apparatus and methods for providing software updates to devices in a communication network | Howard M. Sandler, José Durán, Bernard Thiboutot, Okan Azmak | 2002-04-23 |
| 6373842 | Unidirectional streaming services in wireless systems | Paul Coverdale | 2002-04-16 |
| 6373831 | Systems and methods of channel coding and inverse-multiplexing for multi-carrier CDMA systems | Norman P. Secord, Mo-Han Fong, Geng Wu, Ahmad Jalali, Robert Matyas +3 more | 2002-04-16 |
| 6317422 | Methods and apparatus of N-chip resistant spreading in CDMA systems | Farideh Khaleghi, Norman P. Secord | 2001-11-13 |
| 6249245 | GPS and cellular system interworking | J. Michael Watters, David Steer | 2001-06-19 |
| 6249253 | Mobile radiotelephone determination using time of arrival of GPS and pilot signals | Jorgen S. Nielsen | 2001-06-19 |
| 6236359 | Cellular terminal location using GPS signals in the cellular band | J. Michael Watters, David Steer | 2001-05-22 |
| 6230018 | Devices and processing in a mobile radio communication network having calibration terminals | J. Michael Watters, David Steer | 2001-05-08 |
| 6154659 | Fast forward link power control in a code division multiple access system | Ahmad Jalali | 2000-11-28 |
| 6148422 | Telecommunication network utilizing an error control protocol | Bill W. A. Gage, Rafi Rabipour | 2000-11-14 |
| 6138022 | Cellular communication network with vocoder sharing feature | Bill W. A. Gage, Rafi Rabipour | 2000-10-24 |
| 6097712 | Multi-carrier CDMA communications systems | Norman P. Secord, Alberto Gutierrez, Ahmad Jalali | 2000-08-01 |
| 6070083 | Mobile communication device and communication network for providing location services | J. Michael Watters, David Steer | 2000-05-30 |
| 6038452 | Telecommunication network utilizing a quality of service protocol | Bill W. A. Gage, Rafi Rabipour | 2000-03-14 |
| 6006189 | Method and apparatus for storing and forwarding voice signals | Bill (W.A.) Gage | 1999-12-21 |
| 5982324 | Combining GPS with TOA/TDOA of cellular signals to locate terminal | J. Michael Watters, David Steer | 1999-11-09 |
| 5625881 | Time and frequency diveristy in a radio system having intermittent operation receivers | Howard M. Sandler, Shirish A. Altekar | 1997-04-29 |
| 5345597 | Call set-up in a radio communication system with dynamic channel allocation | Howard M. Sandler, Gregory L. Plett, David Steer | 1994-09-06 |
| 5239676 | Intra-cell call hand-over in radio communication systems with dynamic channel allocation | Howard M. Sandler, Gregory L. Plett, David Steer | 1993-08-24 |
| 5229995 | Radio link architecture for wireless communication systems | Howard M. Sandler, Gregory L. Plett, David Steer | 1993-07-20 |
| 4920565 | Method for connection of secure conference calls | David Steer | 1990-04-24 |
| 4648108 | Conference circuits and methods of operating them | John Ellis, Bruce Leigh Townsend | 1987-03-03 |
| 4592070 | ADPCM encoder/decoder with improved tracking | Peter Chow, Andreas Weirich | 1986-05-27 |
| 4549304 | ADPCM Encoder/decoder with signalling bit insertion | Andreas Weirich | 1985-10-22 |
| 4410763 | Speech detector | Hing-Fai Lee | 1983-10-18 |