REMOTE CONTROL UNIT USING VISIBLE LIGHT
Original Publication Date: 1998-Sep-01
Included in the Prior Art Database: 2002-Jul-12
Visible light is used to control different electron- ic devices in a room. The user aims a hand-held transmitter at the device and presses a button on the transmitter. trolled. The detector decodes the modulation and generates an electrical signal. The signal can be used to change the status of a Flip-Flop.