| http://www.w3.org/ns/prov#value | - Agent: Kramer Levin Naftalis & Frankel LLP20090322677 - Light guide plate for system inputting coordinate contactlessly, a system comprising the same and a method for inputting coordinate contactlessly using the same: Disclosed are a light guide plate for a non-contact type coordinate input system, a system including the same, and a non-contact type coordinate input method using the same.
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