Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7729515 | Optical navigation apparatus using fixed beacons and a centroid sensing device | Michael J. Mandella, Hector H. Gonzalez-Banos, Marek Alboszta | 2010-06-01 |
| 7474809 | Implement for optically inferring information from a jotting surface and environmental landmarks | Stewart R. Carl, Marek Alboszta, Michael J. Mandella, Hector H Gonzalez | 2009-01-06 |
| 5883962 | Method and apparatus for spatially enhancing stereo and monophonic signals | — | 1999-03-16 |
| 5850454 | Method and apparatus for spatially enhancing stereo and monophonic signals | — | 1998-12-15 |
| 5744956 | Low power magnetometer circuits having zero offset compensation | — | 1998-04-28 |
| 5692050 | Method and apparatus for spatially enhancing stereo and monophonic signals | — | 1997-11-25 |
| 5642046 | Low power magnetometer circuits requiring a single switching cycle | — | 1997-06-24 |
| 5239264 | Zero-offset magnetometer having coil and core sensor controlling period of an oscillator circuit | — | 1993-08-24 |
| 4851775 | Digital compass and magnetometer having a sensor coil wound on a high permeability isotropic core | Nam-hyong Kim | 1989-07-25 |