... optical bandpass filter 光带通滤光器 optical beam scanner 光束扫描器 optical beam splitter 光束分光镜 ...
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optical l beam scanner 光束扫描器
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With mobeam's technology, the Galaxy S4 can "beam" traditional 1D barcode data to any laser scanner with no new equipment, such as optical scanners or backend systems, required by the retailer.
ENGADGET: Samsung partners with Mobeam to offer scannable bar codes on the Galaxy S 4
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