Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650612 | Optical sensor using swept wavelength light source | Tommy L. Criswell, Mahesh C. Reddy | 1997-07-22 |
| 5543627 | Method for maximizing the solar cell OPTO-electronic conversion efficiency in optically controlled hydraulic actuators | — | 1996-08-06 |
| 5493393 | Planar waveguide spectrograph | Mark W. Beranek, Barbara A. Capron, David M. Griffith, Darrell L. Livezy, Timothy G. Traynor | 1996-02-20 |
| 5424535 | Optical angle sensor using polarization techniques | Nicholas Albion, Romeal F. Asmar, Glen E. Miller, Charles R. Porter | 1995-06-13 |
| 5237391 | Multitrack multilevel sensing system | — | 1993-08-17 |
| 5212749 | Optical fiber mount | Omer C. Helfer | 1993-05-18 |
| 5069547 | Multitrack multilevel sensing system with error detecting | Charles R. Porter | 1991-12-03 |
| 5029967 | Optical source for optical sensing system | Darrell Livezey, David M. Griffith | 1991-07-09 |
| 4999489 | Optical sensor using concave diffraction grating | — | 1991-03-12 |
| 4964727 | Multi-track analog optical sensing system and method | — | 1990-10-23 |
| 4931636 | Two wavelength optical sensor and sensing system | — | 1990-06-05 |
| 4930117 | Wavelength division multiplexing system using optical switch | — | 1990-05-29 |
| 4928008 | Variable light transmission filter and optical analog position sensor | Bruce Van Deventer, Glen E. Miller | 1990-05-22 |
| 4908510 | Optical fiber coupled resolver having a reference signal | Glen E. Miller | 1990-03-13 |
| 4899042 | Integrated optic field sensor consisting of an interferometer formed in substrate | Robert A. Falk | 1990-02-06 |
| 4866698 | Multiplexed optical communication system | Robert A. Falk | 1989-09-12 |
| 4849624 | Optical wavelength division multiplexing of digital encoder tracks | — | 1989-07-18 |
| 4833317 | Optically powered resolver | — | 1989-05-23 |
| 4799797 | Coherence multiplexing of optical sensors | — | 1989-01-24 |
| 4687925 | Belt speed measurement using an optical fiber reflectometer | — | 1987-08-18 |
| 4638986 | Feedability sensor for a vacuum corrugated feeder | Ralph A. Shoemaker | 1987-01-27 |
| 4597570 | Feedability sensor for a vacuum corrugated feeder with movable backstop | — | 1986-07-01 |
| 4546262 | Isolated high voltage controller | — | 1985-10-08 |
| 4513404 | Acoustic reflectometer for sheet feed sensing | — | 1985-04-23 |
| 4391842 | Method of development | — | 1983-07-05 |