Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6138032 | Method and apparatus for dynamically adjusting a battery saving interval in a messaging system | Thomas Casey Hill, Thomas V. D'Amico, Alain Charles Briancon, Jyh-Han Lin, Samir A. Sawaya +3 more | 2000-10-24 |
| 6035207 | System and method for allocating frequency channels in a two-way messaging network | Robert J. Schwendeman | 2000-03-07 |
| 5923266 | Method for dynamically changing control frames for selective call receiving devices | Kwok Keung Choi, Jyh-Han Lin, Douglas I. Ayerst, Gregory L. Cannon, Jheroen Dorenbosch +2 more | 1999-07-13 |
| 5903842 | System and method for allocating frequency channels in a two-way messaging network | Robert J. Schwendeman | 1999-05-11 |
| 5878035 | Method and apparatus for mixing protocols in a radio messaging system | Kwok Keung Choi, Jyh-Han Lin, Douglas I. Ayerst, Gregory L. Cannon, Jheroen Dorenbosch +2 more | 1999-03-02 |
| 5852780 | System and method for allocating frequency channels in a two-way messaging network | Robert J. Schwendeman | 1998-12-22 |
| 5845213 | Method and apparatus for minimizing traffic in a two way wireless messaging system | Terence Edward Sumner, Thomas Casey Hill, Thomas V. D'Amico, Jyh-Han Lin, Alain Charles Briancon +2 more | 1998-12-01 |
| 5832000 | Method and apparatus for communicating error-tolerant messages | Jyh-Han Lin | 1998-11-03 |
| 5790953 | System and method for managing subscriber unit location information in an integrated communication network | Richard Charles Bernhardt | 1998-08-04 |
| 5737691 | System and method for allocating frequency channels in a two-way messaging network | Robert J. Schwendeman | 1998-04-07 |
| 5706331 | System and method for selecting a subsystem for message traffic in an integrated communication network | Richard Charles Bernhardt | 1998-01-06 |
| 5699388 | System and method for fully distributed synchronization of a radio communication network | Morris A. Moore | 1997-12-16 |
| 5666651 | Method and apparatus for scheduling message traffic in a multicell radio communication system | — | 1997-09-09 |
| 5649289 | Flexible mobility management in a two-way messaging system and method therefor | Robert J. Schwendeman | 1997-07-15 |
| 5592154 | Method and apparatus for prioritizing communications in a two-way communication system | Jyh-Han Lin | 1997-01-07 |
| 5550829 | Method for reallocation frame assignments of receives in a communication system | — | 1996-08-27 |
| 5539922 | Multiple tree hierarchical portable communication system and method | — | 1996-07-23 |
| 5471671 | Hanset for a multiple channel communication system and use thereof | Brian K. Johnson | 1995-11-28 |
| 5428819 | Method and apparatus for radio frequency bandwidth sharing among heterogeneous radio communication system | Richard Charles Bernhardt, Thomas V. D'Amico | 1995-06-27 |
| 5280630 | Method and apparatus for dynamic channel allocation | — | 1994-01-18 |
| 5274845 | Universal personal communication system and tracing system therefor | — | 1993-12-28 |