Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630927 | Keyboard key discrimination employing drive line/sense line combinations and accomodating simultaneous key press conditions | Nathan C. Sherman, Christopher R. Bagin | 2003-10-07 |
| 6621484 | Keyboard key discrimination based on time division multiplexing | — | 2003-09-16 |
| 6577250 | Resistance based keyboard key discrimination | — | 2003-06-10 |