Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6528989 | AC magnetic tracker for operation close to metallic objects | — | 2003-03-04 |
| 5953683 | Sourceless orientation sensor | Vladimir F. Kogan | 1999-09-14 |
| 5831260 | Hybrid motion tracker | — | 1998-11-03 |
| 5767669 | Magnetic field position and orientation measurement system with dynamic eddy current rejection | Westley S. Ashe | 1998-06-16 |
| 5744953 | Magnetic motion tracker with transmitter placed on tracked object | — | 1998-04-28 |
| 5742394 | Optical 6D measurement system with two fan shaped beams rotating around one axis | — | 1998-04-21 |
| 5045843 | Optical pointing device | — | 1991-09-03 |
| 4858203 | Omnidirectional distance measurement system | — | 1989-08-15 |
| 4823170 | Line of sight measuring system | — | 1989-04-18 |
| 4776016 | Voice control system | — | 1988-10-04 |
| 4653102 | Directional microphone system | — | 1987-03-24 |
| 4642786 | Method and apparatus for position and orientation measurement using a magnetic field and retransmission | — | 1987-02-10 |
| 4622644 | Magnetic position and orientation measurement system | — | 1986-11-11 |
| 4618822 | Displacement sensing device utilizing adjustable tuned circuit | — | 1986-10-21 |
| 4576481 | Passive optical position measurement system | — | 1986-03-18 |
| 4506354 | Ultrasonic position detecting system | — | 1985-03-19 |