| 发明名称 |
WIRELESS TRACKING SYSTEM |
| 摘要 |
A tracking system for tracking one or more wireless input devices includes a receiver to receive wireless signals from the input devices and a tracking circuit to detect movements of the wireless input devices. The input devices may be either infrared (IR) or radio-frequency (RF) input devices.
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| 申请公布号 |
US2001015717(A1) |
申请公布日期 |
2001.08.23 |
| 申请号 |
US19980222087 |
申请日期 |
1998.12.29 |
| 申请人 |
MISHRA ANIMESH;SHI JUN;MAURITZ KARL H. |
发明人 |
MISHRA ANIMESH;SHI JUN;MAURITZ KARL H. |
| 分类号 |
G06F3/038;G06F3/042;(IPC1-7):G09G5/00 |
主分类号 |
G06F3/038 |
| 代理机构 |
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