The human error prevention system is realized by 3-point collation using a barcode reader. A new optical device consisting of Littrow prism and cylindrical lens, which are optically aligned with a built-in camera and an LED in a smartphone, has realized the smartphone with the same usability as the conventional barcode reader.
CITATION STYLE
Kuriyama, T., & Murakami, T. (2018). Optical design of a smartphone adaptor for barcode reader function in an application of human error prevention. IEEJ Transactions on Sensors and Micromachines, 138(10), 455–460. https://doi.org/10.1541/ieejsmas.138.455
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