ARRANGEMENT FOR AND METHOD OF ELECTRO-OPTICALLY READING TARGETS OF DIFFERENT TYPES BY IMAGE CAPTURE
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United States of America Patent
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Issued Date -
Dec 1, 2016
app pub date -
May 28, 2015
filing date -
May 28, 2015
priority date (Note) -
Abandoned
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Abstract
Different types of targets are illuminated by first and second illuminating assemblies. A solid-state imager is exposed during a first exposure period, and not exposed during a first non-exposed period, during a first frame. The first illuminating assembly produces a first light pulse during the first exposure period to capture return light from a first target type. The imager is exposed during a second exposure period, and not exposed during a second non-exposed period, during a second frame. The second light assembly produces a second light pulse during the second exposure period to capture return light from a second target type. During the non-exposed periods, a plurality of light pulses are produced with a combined illumination light output power that is substantially the same for each frame and at an illumination rate that enables a human eye to perceive the illumination light pulses as substantially continuous in illumination.
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