| Patent Number |
Title Of Patent |
Date Issued |
| 5982170 |
Rotary position sensor with improved bearing tolerance |
November 9, 1999 |
| An angular sensor has a shaped dual magnet structure carried upon a pole piece having a generally "c" shaped cross-section. The magnet and pole piece define a generally circular linear field which is concentric about the axis of rotation of the complete rotor. A Hall effect device is |
| 5798639 |
Rotary position sensor with improved bearing tolerance |
August 25, 1998 |
| A rotary position sensor having a dual magnet structure interconnected by a pole piece forming a varying dimension air gap. The magnets, the pole piece and the air gap between the magnets define a closed magnetic circuit. A Hall effect sensor is fixedly mounted in the air gap and is |
| 5757179 |
Position sensor with improved magnetic circuit |
May 26, 1998 |
| A rotary position sensor connected to the butterfly valve of an internal combustion engine, the sensor having a dual magnet structure interconnected by a pole piece having a generally C-shaped cross section forming a varying dimension air gap. The magnets, the pole piece and the air |