发明名称 |
Input device for foldable display device and input method thereof |
摘要 |
An input apparatus including an electronic pen and a terminal having a foldable display unit is provided. An electronic pen generates an ultrasonic signal and an infrared signal. A terminal detects the ultrasonic signal and the infrared signal and calculates coordinate information of the electronic pen based on the received ultrasonic signal and the infrared signal. The terminal determines coordinate information of the electronic pen with respect to the foldable display unit by measuring a folding angle of the foldable display unit.
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申请公布号 |
US8564551(B2) |
申请公布日期 |
2013.10.22 |
申请号 |
US20090604962 |
申请日期 |
2009.10.23 |
申请人 |
PARK YONG GOOK;KIM HYUN JIN;PARK MIN KYU;SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
PARK YONG GOOK;KIM HYUN JIN;PARK MIN KYU |
分类号 |
G06F3/041;G06F3/033 |
主分类号 |
G06F3/041 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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