A Research of Optical Tag System : Attaching Audio Data to Real World Object

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In this research, a novel optical communication device, which enables a user to select a transmitter by his/her pointing action, is presented. The aim of this system is to provide a user to large amount of data, triggered with his/her pointing to real world object. Several experiment with implemented system prove this system has enough special resolution and temporal resolution to 1) select optical transmitter with user's pointing, 2) transmit sound data with pulse width modulated optical signal. Implemented system is attached to cell phone, and user's natural eye, and both systems performing almost same spatial and temporal resolution.