Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6946833 | Polar coordinates sensor having an improved flux suspension system and excitation method | Stephen John Logue | 2005-09-20 |
| 6580267 | Method of extending the utility of an integral driving-sensing pot-core half eddy current probe | Stephen John Logue | 2003-06-17 |
| 6271664 | Polar coordinates sensor utilizing an integrated driver-resonator for increasing oscillatory signal build-up | — | 2001-08-07 |
| 6265871 | Device for generating eddy current induction and detection by means of the axes of permeability within a toroid/torus core | Stephen John Logue | 2001-07-24 |
| 6229305 | Method of increasing flux helicity in a polar sensor by means of stacked driving toroids | — | 2001-05-08 |
| 5939880 | Polar coordinate sensor driven by a poly-phase stator core | — | 1999-08-17 |
| 5909118 | Combination of a flux coupling coefficient, a resonant pick-up coil circuit and a driving frequency spectrum for increasing the spatial resolution of polar coordinates sensors | — | 1999-06-01 |
| 5793204 | Method or generating a rotating elliptical sensing pattern | — | 1998-08-11 |
| 5754043 | Driving cores for polar coordinates sensors | — | 1998-05-19 |
| 5574367 | Polar coordinates sensor array with rotating magnetic field driven pickup elements | — | 1996-11-12 |
| 5559432 | Joystick generating a polar coordinates signal utilizing a rotating magnetic field within a hollow toroid core | — | 1996-09-24 |
| 5554933 | Polar coordinates sensor probe for testing material surrounding fastener holes | — | 1996-09-10 |
| 5548212 | Thickness and hardness measurement apparatus utilizing a rotating induction vector | — | 1996-08-20 |
| 5532591 | Apparatus for detecting surface flaws in cylindrical articles by means of asymmetric magnetic detection | — | 1996-07-02 |
| 5404101 | Rotary sensing device utilizing a rotating magnetic field within a hollow toroid core | — | 1995-04-04 |