发明名称 |
EXTENDED INFRARED-SOURCED MULTI-TOUCH SCREEN |
摘要 |
This invention provides an extended infrared-sourced multi-touch screen, comprising: a display module; at least an infrared (IR) source set in adjacent to a display module as the light source of the multi-touch screen; at least a beam expander optical apparatus being responsive to the at least an IR source to form an IR flat-field line pattern; at least an IR receiver set corresponding to said at least a beam expander optical apparatus to receive IR light emitted by the at least an IR source and to receive IR light from an object when said display module being touched; and a positioning module being responsive to said at least an infrared receiver to process coordinate positioning after the touch action is detected by the at least an IR receiver.
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申请公布号 |
US2011025646(A1) |
申请公布日期 |
2011.02.03 |
申请号 |
US20090533241 |
申请日期 |
2009.07.31 |
申请人 |
WU XIN-MIN;LI JIAN-GUO;MA XIAO-QIANG;GUO QING |
发明人 |
WU XIN-MIN;LI JIAN-GUO;MA XIAO-QIANG;GUO QING |
分类号 |
G06F3/042 |
主分类号 |
G06F3/042 |
代理机构 |
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地址 |
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