| 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 |