Seed sensor with lightpipe photodetect assembly
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United States of America Patent
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Mar 13, 2018
Grant Date -
Dec 29, 2016
app pub date -
Aug 27, 2013
filing date -
Aug 27, 2012
priority date (Note) -
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Abstract
In one example embodiment, a seed sensor is disclosed adapted to fit a conventional mounting location in existing seed tubes that provides improved performance by providing a wide light source (more LEDS), a wide photodetector and a current profiling scheme for the LEDs that provides more light at the opposite ends of the LED array. A result of such an arrangement is to improve seed resolution and to reduce seed spatial variability within the seed tube.
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