Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11831237 | Power supply with power factor correction bypass | Chee Kiong Fong, Michael Roy VOLKMAN, Geoffrey Jason SHEW, Suet Fong Tin | 2023-11-28 |
| 10178374 | Depth imaging of a surrounding environment | Joshua Mark Hudman, Andrew K. Juenger | 2019-01-08 |
| 10048780 | Adjustment of an optical tracking device | David M. Lane, Stephen C. Klein, Brian L. Hastings, David D. Bohn | 2018-08-14 |
| 10024968 | Optical modules that reduce speckle contrast and diffraction artifacts | Joshua Mark Hudman | 2018-07-17 |
| 10013055 | Eye tracking using optical flow | David R. Perek, Warren Andrew Hunt, Robert Dale Cavin | 2018-07-03 |
| 9754415 | Display relative motion compensation | Rod G. Fleck, David D. Bohn | 2017-09-05 |
| 9462253 | Optical modules that reduce speckle contrast and diffraction artifacts | Joshua Mark Hudman | 2016-10-04 |
| 9456201 | VCSEL array for a depth camera | Prafulla Masalkar, Zhaoming Zhu, Sridhar Canumalla, Eric Filer, Blair M. Kent +1 more | 2016-09-27 |
| 8730168 | Contaminant-resistant optical mouse and cradle | Vincent C. Moyer, Mark Melvin Butterworth, Michael J. Brosnan, Roopinder Singh Grewal, Paul Michael Welch +1 more | 2014-05-20 |
| 8570194 | Clutch-height adjustment in an optical tracking device | David M. Lane, Stephan C Klein, Brian L. Hastings, David D. Bohn | 2013-10-29 |
| 8264461 | Apparatus for controlling the position of a screen pointer with low sensitivity to particle contamination | Michael J. Brosnan, Ramakrishna Kakarala, Roopinder Singh Grewal, Mark Melvin Butterworth, Vincent C. Moyer +1 more | 2012-09-11 |
| 7738733 | Systems and methods for 3-D imaging | Tong Xie | 2010-06-15 |
| 7737947 | Tracking motion using an interference pattern | Dale W. Schroeder, Ramakrishna Kakarala, Tong Xie, Gregory D. VanWiggeren | 2010-06-15 |
| 7633633 | Position determination that is responsive to a retro-reflective object | Douglas M. Baney, Tong Xie | 2009-12-15 |
| 7583821 | Apparatus for classifying a material by analyzing the material's surface, and related systems and method | Tong Xie | 2009-09-01 |
| 7474297 | Contaminant-resistant optical mouse and cradle | Vincent C. Moyer, Mark Melvin Butterworth, Michael J. Brosnan, Roopinder Singh Grewal, Paul Michael Welch +1 more | 2009-01-06 |
| 7446756 | Apparatus for controlling the position of a screen pointer with low sensitivity to particle contamination | Michael J. Brosnan, Ramakrishna Kakarala, Roopinder Singh Grewal, Mark Melvin Butterworth, Vincent C. Moyer +1 more | 2008-11-04 |
| 7427981 | Optical device that measures distance between the device and a surface | Dale W. Schroeder, Tong Xie | 2008-09-23 |
| 7423633 | Apparatus for controlling the position of a screen pointer with low sensitivity to fixed pattern noise | Tong Xie | 2008-09-09 |
| 7359041 | Method and system for optically tracking a target using a triangulation technique | Tong Xie, Douglas M. Baney | 2008-04-15 |
| 7321359 | Method and device for optical navigation | Tong Xie, Douglas M. Baney | 2008-01-22 |
| 7189985 | Tracking separation between an object and a surface using a reducing structure | Tong Xie, Susan Hunter | 2007-03-13 |
| 7184022 | Position determination and motion tracking | Tong Xie, Douglas M. Baney | 2007-02-27 |
| 7166831 | Optical mouse with replaceable contaminant barrier | Tong Xie | 2007-01-23 |
| 7161682 | Method and device for optical navigation | Tong Xie | 2007-01-09 |