Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Dalian University filed Critical Dalian University Priority to CN201310718675.5A priority Critical patent/CN103631382A/en Publication of CN103631382A publication Critical patent/CN103631382A/en Status Pending legal-status Critical Current Links ![]() Original Assignee Dalian University Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Inventor 孙文安 赵立娟 Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Pending Application number CN201310718675.5A Other languages Chinese ( zh) ![]() Google Patents CN103631382A - Laser projection virtual keyboard CN103631382A - Laser projection virtual keyboard
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