Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8618999 | Microwave motion sensor with a reflector | Xiaodong Wu, James N. Helland | 2013-12-31 |
| 8199012 | Microwave curtain sensor | James N. Helland, Xiaodong Wu | 2012-06-12 |
| 8169356 | Anti-mask motion sensor | Xiaodong Wu, James N. Helland | 2012-05-01 |
| 7982606 | Microwave motion detector with target angle detection | Xiaodong Wu | 2011-07-19 |
| 7852257 | Anti-interference microwave motion sensor | Xiaodong Wu, James N. Helland | 2010-12-14 |
| 7796033 | System and method for calibrating a microwave motion detector | Xiaodong Wu, James N. Helland | 2010-09-14 |
| 7777624 | Direction of travel motion sensor | Xiaodong Wu, James N. Helland | 2010-08-17 |
| 7760089 | Microwave direction of travel detector by parallel sampling | Xiaodong Wu, James N. Helland | 2010-07-20 |
| 7679547 | Direction of travel motion detector with automatic gain control | Xiaodong Wu, James N. Helland | 2010-03-16 |
| 7616148 | Microwave smart motion sensor for security applications | Xiaodong Wu, Harold L. Holvick, James N. Helland | 2009-11-10 |