| 5854793 |
GPS synchronization of CTS transmitters for an interactive network |
— |
1998-12-29 |
| 5806006 |
Method of controlling power output by a primary power source so as to conserve power in an electronic communication device |
— |
1998-09-08 |
| 5790936 |
Low power subscriber unit transmitting voice messages in a two-way communication system |
— |
1998-08-04 |
| 5751693 |
Cellular digital signaling |
— |
1998-05-12 |
| 5737363 |
Low power output subscriber unit |
— |
1998-04-07 |
| 5678172 |
Simulated voice packet messaging |
— |
1997-10-14 |
| 5633872 |
Interactive radio |
— |
1997-05-27 |
| 5633876 |
Store and forward repeater |
— |
1997-05-27 |
| 5592491 |
Wireless modem |
— |
1997-01-07 |
| 5481546 |
Interactive nationwide data service communication system for stationary and mobile battery operated subscriber units |
— |
1996-01-02 |
| 5388101 |
Interactive nationwide data service communication system for stationary and mobile battery operated subscriber units |
— |
1995-02-07 |
| 4659878 |
Method and apparatus for interference free communications between a remote handset and a host subscriber unit in a Cellular Radio Telephone System |
— |
1987-04-21 |