| 6314056 |
Fiber optic sensor system and method |
J. Brett Bunn, Mikko Jaaskelainen, Steven J. Maas |
2001-11-06 |
| 5995207 |
Method for determining the phase difference of light waves propagated over two paths |
David B. Hall, Donald A. Frederick, James Brett Bunn |
1999-11-30 |
| 5917597 |
Noise suppression apparatus and method for time division multiplexed fiber optic sensor arrays |
David B. Hall |
1999-06-29 |
| 5355216 |
Optical fiber sensor having digital integrating detection system utilizing electronic phase lock loop |
Byoung Y. Kim, Kenneth A. Fesler |
1994-10-11 |
| 5283625 |
Interferometer phase modulation controller apparatus using ratios of two pairs of harmonic signals |
— |
1994-02-01 |
| 5039221 |
Interferometer calibration for fiber optic sensor arrays |
Michael R. Layton |
1991-08-13 |
| 4819689 |
Head-guided poppet valve member and valve assembly |
Herbert B. Owsley |
1989-04-11 |
| 4737080 |
Valve assembly |
Herbert B. Owsley, Lauren D. Sperry |
1988-04-12 |