Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7245933 | Method and apparatus for multicasting in a wireless communication system | Shaowei Pan, Jinzhong Zhang, Chunyang Meng, Hechun Cai | 2007-07-17 |
| 7010315 | Method and apparatus for assigning a remote unit a channel within a communication system | Shaowei Pan, Jinzhong Zhang, Chunyang Meng, Hechun Cai | 2006-03-07 |
| 6333921 | Method and apparatus for group calls in a wireless CDMA system based on dedicated codes | Gary W. Grube | 2001-12-25 |
| 6005848 | Method and apparatus for a talkgroup call in a wireless CDMA system | Gary W. Grube | 1999-12-21 |
| 5987022 | Method for transmitting multiple-protocol packetized data | Robert L. Geiger, Kenneth J. Crisler, Michael J. Crowley | 1999-11-16 |
| 5870149 | Video/integrated land mobile dispatch radio and video unit | Robert W. Furtaw, Arun Sobti, John E. Major | 1999-02-09 |
| 5553315 | Method of maintaining access authorization using a bulletin board communication resource | Arun Sobti | 1996-09-03 |
| 5425030 | On-site system frequency sharing with trunking system | Arun Sobti, Paul M. Bocci, Bradley M. Hiben, James A. McDonald, Robert W. Furtaw | 1995-06-13 |
| 5387905 | Mutli-site group dispatch call method | Gary W. Grube, Robert W. Furtaw, Mark L. Shaughnessy | 1995-02-07 |
| 5371898 | Method for a communication unit to operate in either a trunking or a cellular communication system | Gary W. Grube, Jaime Andres Borras | 1994-12-06 |
| 5369781 | Dispatch communication system with adjacent system signal repeating | Arun Sobti | 1994-11-29 |
| 5363371 | Mobile | Asim Roy, Robert W. Furtaw | 1994-11-08 |
| 5355367 | One cell re-use pattern for communication system sites | Arun Sobti, John E. Major | 1994-10-11 |
| 5313654 | Method for transferring a private call from a trunking communication system to a cellular communication system | Gary W. Grube | 1994-05-17 |
| 5301359 | Bulletin board resource for communication system access | Anthony P. van den Heuvel, Arun Sobti, Anthony J. Sarli, Jr. | 1994-04-05 |
| 5278536 | Electromagnetic radiation node for use in a network and lighting element incorporating such a node | Robert W. Furtaw, Bradley M. Hiben | 1994-01-11 |
| 5260943 | TDM hand-off technique using time differences | Robert W. Furtaw | 1993-11-09 |
| 5247701 | On-site/trunking system frequency sharing | Arun Sobti, Paul M. Bocci, Robert W. Furtaw, Bradley M. Hiben, James A. McDonald | 1993-09-21 |
| 5239674 | Method for transferring private data transmissions from a trunking communication system to a cellular communication | Gary W. Grube | 1993-08-24 |
| 5218716 | Method for locating a communication unit within a multi mode communication system | Gary W. Grube | 1993-06-08 |
| 5212805 | Near-field on-site/trunking system frequency sharing | Arun Sobti, Paul M. Bocci, Robert W. Furtaw, Bradley M. Hiben, James A. McDonald | 1993-05-18 |
| 5193101 | On-site system frequency sharing with trunking systems using spread spectrum | James A. McDonald, Arun Sobti, Paul M. Bocci, Robert W. Furtaw, Bradley M. Hiben | 1993-03-09 |
| 5179721 | Method for inter operation of a cellular communication system and a trunking communication system | Gary W. Grube | 1993-01-12 |
| 5159695 | Communication system to communication system communication system | Arun Sobti, John E. Major | 1992-10-27 |
| 5146538 | Communication system and method with voice steering | Arun Sobti | 1992-09-08 |