发明名称 |
INFRARED TYPE HANDWRITING INPUT APPARATUS AND SCANNING METHOD |
摘要 |
An infrared type handwriting input apparatus and scanning method are disclosed. The input apparatus comprises a plurality of light emitters and a plurality of light receivers aligned along one side of a sensing area of the input apparatus, a control device and a signal processing device. The control device controls the light emitters to emit light and to control the light receivers to receive the light reflected from a pointer in the sensing area. The signal processing device processes the signals generated from the light receivers and transmits the processed signals to the control device. |
申请公布号 |
US2011304586(A1) |
申请公布日期 |
2011.12.15 |
申请号 |
US20100814944 |
申请日期 |
2010.06.14 |
申请人 |
CHIA-JUI YEH;CHUNG-FUU MAO;HSIU-FENG CHENG |
发明人 |
CHIA-JUI YEH;CHUNG-FUU MAO;HSIU-FENG CHENG |
分类号 |
G06F3/042 |
主分类号 |
G06F3/042 |
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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