发明名称 |
Tablet of battery-free wireless pointing device |
摘要 |
A tablet of a battery-free wireless pointing device has a battery-free wireless pointing device and a tablet. The wireless pointing device includes a power supply circuit and a sensing circuit. The tablet includes a signal processing unit, a first antenna loop, and a second antenna loop. The sensing circuit receives electric energy generated by the power supply and generates a sensing signal. The second antenna loop receives the sensing signal. The signal processing circuit generates a frequency signal and determines a current coordinate position of the pointing device according to the sensing signal.
|
申请公布号 |
US2010276214(A1) |
申请公布日期 |
2010.11.04 |
申请号 |
US20090457997 |
申请日期 |
2009.06.29 |
申请人 |
KYE SYSTEMS CORP. |
发明人 |
LIU CHIH-MIN;LIU CHIH-MING |
分类号 |
G06F3/041;G06F3/033;G06F3/0354 |
主分类号 |
G06F3/041 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|