Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6393045 | Spread spectrum baseband modulation of magnetic fields for communications and proximity sensing | Donald K. Belcher, Ronald J. Hash | 2002-05-21 |
| 6380894 | Multi-lateration system with automatic calibration and error removal | Donald K. Belcher, Michael A. Wohl | 2002-04-30 |
| 6366242 | Computer workstation tool for displaying performance estimate of tagged object geo-location system for proposed geometry layout of tag transmission readers | David J. Stryker, Donald K. Belcher | 2002-04-02 |
| 6366626 | Sub-symbol matched filter-based frequency error processing for spread spectrum communication systems | — | 2002-04-02 |