Multi-pass document scanner and multi-pass scanning method

摘要: An improved document or ID card scanner for imaging documents and decoding coded indicia such as bar codes magnetic strips is disclosed. The incorporates an internal motor automatic multi-pass scanning function to quickly accurately capture all data on a document. During these passes the imaged under number of different lighting conditions strip read multiple times. can perform scans moves in forward reverse directions; each scan occurs at speed optimized particular method direction current pass. passes, scanned varying speeds reliability purposes detailed herein.