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BEVERAGE MAKER WITH COMPACT OPTICAL CODE READER
BEVERAGE MAKER WITH COMPACT OPTICAL CODE READER
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机译:带紧凑型光学读码器的饮料制造商
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摘要
A compact barcode reader is provided in which the imaging lens and a linear sensor are in a straight line path with the barcode (no bend in path). By using a wide angle lens with a short back focus, it is possible to reduce the distance between the barcode and linear sensor to a fraction of what it was in the prior art. In addition, the maximum image height and the downward projection of the sensor are reduced to a fraction of what they were in the prior art. As a result, despite the straight line optical path, compact barcode reader becomes so small that it does not interfere with the operation of the beverage maker.
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