CARROLLTON, TX (December 21, 2009) — TT electronics OPTEK Technology's OPB810L51 wide gap slotted optical switch has been employed in BigBelly® Solar trash compactors. The OPB810L51 device functions ...
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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