SET OF MARKING ARRAYS, METHOD FOR SORTING OBJECTS, AND SET OF OBJECTS THUS OBTAINED
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United States of America Patent
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Issued Date -
Dec 24, 2020
app pub date -
Mar 27, 2019
filing date -
Mar 28, 2018
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Abstract
A marking system comprises a set of markings which distinguish themselves by different brightness grades. In this system, different brightness grades are also expressed by different colors (30), based on the different brightness impression of the colors to the bare eye and an additional convention where such an order is not clearly apparent. By combining different colors (30) and different brightness levels (35) within colors, the required number of grades can be obtained. The markings are advantageous in particular for manual sortation since they are recognizable without positioning the marking in a particular orientation, e.g. the reading direction of the sortation employees. Preferred applications of the markings are in the delivery of postal items, in particular parcels.
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