Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6516131 | Structures and methods for aligning fibers | — | 2003-02-04 |
| 6472887 | Capacitive sensor for sensing the amount of material in a container | Carl E. Picciotto, Jun Gao | 2002-10-29 |
| 6362573 | Apparatus and method for monitoring the life of arc lamp bulbs | Rene Helbing, Ken Nishimura | 2002-03-26 |
| 6291829 | Identification of recording medium in a printer | Ross R. Allen | 2001-09-18 |
| 6259111 | System for tracking movement of an object | — | 2001-07-10 |
| 6249591 | Method and apparatus for control of robotic grip or for activating contrast-based navigation | — | 2001-06-19 |
| 6246050 | Optical encoders using non-patterned targets | Mark T. Smith, Larry McColloch | 2001-06-12 |
| 6246067 | System for measuring the tilt of an object | — | 2001-06-12 |
| 6222174 | Method of correlating immediately acquired and previously stored feature information for motion sensing | Larry McColloch | 2001-04-24 |
| 6188058 | System for taking displacement measurements having photosensors with imaged pattern arrangement | — | 2001-02-13 |
| 6118132 | System for measuring the velocity, displacement and strain on a moving surface or web of material | — | 2000-09-12 |
| 6102552 | Laser-array based digital illuminator | — | 2000-08-15 |
| 5987269 | Toner quantity measuring technique in an electrophotographic printer | Ross R. Allen, Jun Gao | 1999-11-16 |
| 5825044 | Freehand image scanning device which compensates for non-linear color movement | Ross R. Allen, David C. Beard, Mark T. Smith | 1998-10-20 |
| 5686720 | Method and device for achieving high contrast surface illumination | — | 1997-11-11 |
| 5644139 | Navigation technique for detecting movement of navigation sensors relative to an object | Ross R. Allen, David C. Beard, Mark T. Smith | 1997-07-01 |
| 5578813 | Freehand image scanning device which compensates for non-linear movement | Ross R. Allen, David C. Beard, Mark T. Smith | 1996-11-26 |
| 5144524 | Light trap for blocking reflection and scattering of light | James B. Kruger | 1992-09-01 |
| 5140537 | Modeling a factory with human operators and validating the model | — | 1992-08-18 |
| 5076691 | Non-reflecting structures for surface scanners | James B. Kruger | 1991-12-31 |
| 5004340 | Calibration target for surface analysis scanner systems | James B. Kruger | 1991-04-02 |
| 4923353 | Apparatus for automated cassette handling | John S. Bailey, D. R. Gunawardena, Ulrich Kaempf | 1990-05-08 |
| 4875825 | Method for automated cassette handling | John S. Bailey, D. R. Gunawardena, Ulrich Kaempf | 1989-10-24 |
| 4872835 | Hot chuck assembly for integrated circuit wafers | Richard G. Baer | 1989-10-10 |
| 4705444 | Apparatus for automated cassette handling | John S. Bailey, D. R. Gunawardena, Ulrich Kaempf | 1987-11-10 |