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DPM BARCODE READER HAVING A PARTIALLY POLARIZED WINDOW COUPLED TO DIFFUSIVE, POLARIZED AND BRIGHT FIELDS OPPORTUNELY TUNED TO PARTICULAR WAVELENGTHS
DPM BARCODE READER HAVING A PARTIALLY POLARIZED WINDOW COUPLED TO DIFFUSIVE, POLARIZED AND BRIGHT FIELDS OPPORTUNELY TUNED TO PARTICULAR WAVELENGTHS
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机译:DPM条码读取器具有部分偏光的窗口,该偏光窗口耦合到了特定波的适当调整的扩散,偏光和明场上
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摘要
A system and method process for imaging DPM codes by a handheld barcode reader may include outputting a polarized light beam from an exit window of the handheld barcode reader to illuminate a direct part marking (DPM) code positioned on an object over a first time period. A non-polarized light beam may be output via from the exit window of the handheld barcode reader over a second time period. Reflected light from the object including polarized light from the DPM code received via a partially polarized receiving window may be sensed. The DPM code may be decoded by the handheld barcode reader.
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