| Wednesday, January 17, 2007 |
| Bar-code Reading |
Bar codes are read by sweeping a small spot of light across the printed bar code symbol. Human naked eyes can only see a thin red line emitted from the laser scanner.
Source:http://www.material--handling--system.com/barcode.htm |
posted by ..WaReHoUsE mOnKeYs.. @ 10:59 PM  |
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