Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868497 | Determining angular velocity from two quadrature signals by squaring the derivative of each signal and taking the square root of the sum | — | 1989-09-19 |
| 4829247 | Angle sensor with inductive coil coupling | — | 1989-05-09 |
| 4814701 | Method and apparatus for determining angular velocity from two signals which are a function of the angle of rotation | — | 1989-03-21 |