Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621811 | Method and system for generating multiple pilot beacons of different frequencies from a single pilot beacon | Chu-Rui Chang | 2003-09-16 |
| 6424834 | Precision hard handoff method using pilot beacon distributors | Chu-Rui Chang | 2002-07-23 |
| 6173185 | Method and apparatus for minimizing the area sampled to determine cell area coverage reliability in a radiotelephone system | Charles P. Bernardin | 2001-01-09 |
| 6041236 | Method and apparatus for minimizing the number of samples needed to determine cell area coverage reliability in a radiotelephone system | Charles P. Bernardin | 2000-03-21 |
| 6006095 | Method and apparatus for estimating cell radius and area coverage reliability in a radiotelephone system | Charles P. Bernardin | 1999-12-21 |
| 5983106 | Method and apparatus for minimizing the number of samples needed to determine cell radius coverage contour reliability in a radiotelephone system | Charles P. Bernardin | 1999-11-09 |
| 5966661 | Method and apparatus for a radiotelephone system optimized for cell boundary coverage reliability | Charles P. Bernardin | 1999-10-12 |
| 5802173 | Radiotelephony system | Nicholas Francis Hamilton-Piercy, Donald Graham Monteith, Roger David Keay, George M. Hart, Peter Oldfield +2 more | 1998-09-01 |