| 6118084 |
Pointer position detection system |
— |
2000-09-12 |
| 5856639 |
Pointer position detection system using a signal processor in the pointer |
— |
1999-01-05 |
| 5714720 |
High efficiency passive pointer digitizer system |
— |
1998-02-03 |
| 5381160 |
See-through digitizer with clear conductive grid |
— |
1995-01-10 |
| 5345044 |
Cordless digitizer using electromagnetic locating signals |
— |
1994-09-06 |
| 5326940 |
Dynamically-adjustable scanning rate in digitizers |
Dana Doubrava |
1994-07-05 |
| 5274198 |
Printed conductive ink electrostatic shield for electromagnetic digitizers |
— |
1993-12-28 |
| 5247138 |
Cordless digitizer stylus status encoding and transmission scheme |
— |
1993-09-21 |
| 5235142 |
Phase reference system for cordless looping digitizer |
James S. Watson |
1993-08-10 |
| 5198623 |
Method for use in a digitizer for determining pen tilt |
— |
1993-03-30 |
| 4873399 |
Ink-on-glass digitizer tablet and method of construction |
— |
1989-10-10 |
| 4853497 |
Shielding techique for digitizers |
— |
1989-08-01 |
| 4831216 |
Digitizer system with intertwined loopback conductor grid |
— |
1989-05-16 |
| 4806707 |
3-Dimensional digitizer pen |
— |
1989-02-21 |
| 4734546 |
Digitizer system with loopback conductor grid |
— |
1988-03-29 |
| 4659874 |
X-Y position sensor |
— |
1987-04-21 |