TUSTIN, Calif.--(BUSINESS WIRE)--With more than 50 years of innovation and linear lighting leadership, Tivoli Lighting introduces Trace Vertical and Horizontal flexible (SMD) LED strips with zero ...
Figure 1a shows a slotted optical switch. An LED is mounted in a plastic housing, facing a phototransistor, but separated by a gap. If something moves into the gap, it blocks the light path between ...
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