Method and apparatus for detecting credit/debit cards in connection with the processing of bulk mail

摘要: Envelopes with unspecified contents are inspected by a “magnetic imaging” device which operates to identify magnetic indicia associated the of envelopes in order orientation within and/or indicative stripe credit/debit card or its remnants, addition second detection (e.g., thickness measuring metal detecting device) can then verify whether signify presence some other stimulus such as paper clip like. Similar assurances be provided employing and device, operative combination (with without imaging device). Alternatively, may deleted favor which, through additional processing, remove subsequent analyses from time domain achieve more reliable determination an envelope, less time. Such techniques applicable cards contained processed, well articles might contain, folded documents