| http://www.w3.org/ns/prov#value | - Considering the factors of the cost, the size, and the resolution needed for scanning the business card, CIS is good enough for being chosen as the photoelectric sensing device 112 of the invention, liner CIS especially. [0027] As to the material of the casing 102, it could be made of plastics, rubbers, or metals such as alloy of magnesium (Mg) and aluminum (Al) for making the scanning apparatus p
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