Issued Patents All Time
Showing 51–75 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6591027 | Bi-stable micro-actuator and optical switch | Robert E. Stewart, Agop Hygasov Cherbettchian, Samuel N. Fersht | 2003-07-08 |
| 6496264 | Fiber optic acoustic sensor with specifically selected flexural disks | Eric Lee Goldner, Michael J. Tweedy, Samuel N. Fersht | 2002-12-17 |
| 6434283 | In-line fiber-optic polarizer | Donald A. Frederick | 2002-08-13 |
| 6384919 | Fiber optic seismic sensor | Samuel N. Fersht, Carl Bathelt, Jr. | 2002-05-07 |
| 6346985 | Optical method for the transduction of remote arrays of electromechanical sensors | — | 2002-02-12 |
| 6317213 | Unbalanced fiber optic Michelson interferometer as an optical pick-off | Samuel N. Fersht | 2001-11-13 |
| 6211982 | Remote sensor with waveguide optics telemetry | Eric Lee Goldner | 2001-04-03 |
| 6154308 | Two step discrete phase shift demodulation method for fiber optic sensor arrays | — | 2000-11-28 |
| 6134015 | Normalization method for fiber optic sensor system | — | 2000-10-17 |
| 6122057 | Four step discrete phase shift demodulation method for fiber optic sensor arrays | — | 2000-09-19 |
| 6072921 | Method of operating a fiber-optic acoustical sensor, apparatus for practicing the method, and in-line fiber-optic polarizer usable in such apparatus | Donald A. Frederick | 2000-06-06 |
| 6064630 | Sensor with an optical interferometric pick-off | Samuel N. Fersht | 2000-05-16 |
| 6038926 | TDM array of optical non-acoustic pressure sensors | Donald A. Frederick | 2000-03-21 |
| 5995207 | Method for determining the phase difference of light waves propagated over two paths | Donald A. Frederick, James Brett Bunn, James S. Bunn | 1999-11-30 |
| 5949740 | Unbalanced fiber optic Michelson interferometer as an optical pick-off | — | 1999-09-07 |
| 5929990 | Fabry-perot pressure sensing system with ratioed quadrature pulse detection | — | 1999-07-27 |
| 5917597 | Noise suppression apparatus and method for time division multiplexed fiber optic sensor arrays | James S. Bunn | 1999-06-29 |
| 5852507 | High efficiency polarization diversity receiver system | — | 1998-12-22 |
| 5751425 | Apparatus and method for detecting rotation rate, Faraday bias and cavity length in a ring laser gyroscope | Donald A. Frederick, John G. Mark, Daniel A. Tazartes, Tae W. Hahn | 1998-05-12 |
| RE35366 | Apparatus and method for optical signal source stabilization | — | 1996-10-29 |
| 5504579 | Multioscillator with combined optical and electronic signal processing | — | 1996-04-02 |
| 5469256 | Multipole magnetic geometry for a ring laser gyroscope | Leo Lam | 1995-11-21 |
| 5463652 | Combining optics for ring laser gyro | — | 1995-10-31 |
| 5428700 | Laser stabilization | — | 1995-06-27 |
| 5420683 | Multioscillator ring laser gyro beam combining optics | — | 1995-05-30 |