Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682241 | Method and apparatus for overcoming cross-coupling in a fiber optic gyroscope employing overmodulation | John G. Mark, Amado Cordova | 1997-10-28 |
| 5604308 | Data interface for closed-loop accelerometer | John G. Mark, Daniel Perrine McLane, Stanley F. Wyse | 1997-02-18 |
| 5576534 | Error reduction by quasi non-multiplexed signal processing in a multiplexed fiber optic rotation sensor loop | Juergen K. P. Flamm | 1996-11-19 |
| 5570304 | Method for thermal modeling and updating of bias errors in inertial navigation instrument outputs | John G. Mark | 1996-10-29 |
| 5521555 | Ultra low noise optical receiver | John E. Higbee, Jacque A. Tazartes, Juergen K. P. Flamm, John G. Mark | 1996-05-28 |
| 5485273 | Ring laser gyroscope enhanced resolution system | John G. Mark, Robert EBNER, NEAL JOSEPH DAHLEN, Nibir K. Datta | 1996-01-16 |
| 5422817 | Strapdown inertial navigation system using high order | John G. Mark | 1995-06-06 |
| 5374990 | Active magnetic field tuning for dispersion equalization of a multi-oscillator | Tae W. Hahn, John G. Mark | 1994-12-20 |
| 5331401 | Method and apparatus for controlling dither in a multiple gyro system | John G. Mark, Ray D. Dykeman, William B. Ware | 1994-07-19 |
| 5325173 | Apparatus for compensating for change in laser gyro dither pickoff scale factor | John G. Mark | 1994-06-28 |
| 5208653 | Multioscillator ring laser gyroscope adaptive digitally controlled cavity length control system | John G. Mark, Tae W. Hahn | 1993-05-04 |
| 5189488 | Fiber optical gyroscope utilizing orthogonal sequences | John G. Mark, George A. Pavlath | 1993-02-23 |
| 5189487 | Multioscillator ring laser gyroscope local oscillator-based output optics detection system | John G. Mark, Tae W. Hahn | 1993-02-23 |
| 5074664 | Computer generated cavity length control with automatic gain control for ring laser gyros | John G. Mark | 1991-12-24 |
| 5004344 | Apparatus and method for correcting ring laser gyroscope phase errors at turnaround | John G. Mark, Anthony Mathews | 1991-04-02 |
| 4981359 | Ring laser gyroscope dither drive system and method | John G. Mark, Robert EBNER | 1991-01-01 |
| 4875774 | Apparatus and method for determining ring laser gyroscope phase at turnaround | John G. Mark, Anthony Matthews | 1989-10-24 |