Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5902994 | Apparatus for calibrating a linear image sensor | Jerold B. Lisson, Kenneth L. Mason | 1999-05-11 |
| 5835267 | Radiometric calibration device and method | Kenneth L. Mason | 1998-11-10 |
| 5659168 | Radiometric calibration system | Kenneth L. Mason | 1997-08-19 |
| 5573446 | Abrasive air spray shaping of optical surfaces | Matthew F. Walsh | 1996-11-12 |
| 5552594 | Focus detecting system using a beam splitter to form an image at nominal best focus, slightly in front of best focus and slightly behind best focus | Donald E. Vandenberg, James R. Olson | 1996-09-03 |
| 5402238 | Assembly suitable for determining a surface topology of a workpiece | Philip F. Marino | 1995-03-28 |
| 5361129 | Method of assessing a surface figure of an optical element | Jennifer A. LeBaron | 1994-11-01 |
| 5309375 | A method for determining a surface topology of a workpiece | Philip F. Marino | 1994-05-03 |
| 5283629 | Method for assessing a vertex radius of curvature | Jennifer A. LeBaron | 1994-02-01 |
| 5155544 | Foucault method for testing an optical surface | Donald E. Vandenberg, William D. Humbel, John G. Pitek | 1992-10-13 |
| 5150256 | Optical reticle projector | — | 1992-09-22 |
| 5146072 | Method for determining large petal piston in a segmented imaging assembly | Alan L. Wertheimer | 1992-09-08 |
| 5120948 | Method for simultaneously determining coarse and fine petal piston in a segmented imaging assembly | Alan L. Wertheimer | 1992-06-09 |
| 5118935 | Composite imaging mask | Alan L. Wertheimer | 1992-06-02 |
| 5117305 | Modified retroreflector | — | 1992-05-26 |
| 5107370 | Astronomical data collection method employing a novel optical reticle projector | — | 1992-04-21 |
| 5083866 | Method for monitoring alignment using a modified retroreflector | — | 1992-01-28 |
| 5069528 | Remote optical alignment method | — | 1991-12-03 |
| 5054929 | Optical alignment method using arbitrary geometric figures | — | 1991-10-08 |
| 5022753 | Modified Foucault method for uniquely profiling an imaging device | — | 1991-06-11 |
| 5020905 | Application of the Foucault knife-edge test to a segmented optic | Edward M. Granger, Donald E. Vandenberg, John G. Pitek, William D. Humbel | 1991-06-04 |
| 5004337 | Modified Foucault for testing an imaging device in terms of the encircled energy test | — | 1991-04-02 |
| 4993831 | Closed loop Foucault knife-edge test | Donald E. Vandenberg, William D. Humbel, John G. Pitek | 1991-02-19 |
| 4979819 | Foucault knife-edge test for quantitatively determining a wavefront aberration over the entire surface of an optical imaging device | William D. Humbel, Donald E. Vandenberg, John G. Pitek | 1990-12-25 |
| 4969737 | Expanded foucault knife-edge test for quantitatively testing an optical imaging device | William D. Humbel, Donald E. Vandenberg, John G. Pitek | 1990-11-13 |