| http://www.w3.org/ns/prov#value | - E 3,092,402 6/1963 Reed 235/61.11 E Primary ExaminerDaryl W. Cook Att0rneySchmidt, Johnson, I-Iovey and Williams ABSTRACT: A combined optical and magnetic transducer for sensing both optical and magnetic properties of an article, for example, a piece of paper currency or other document having both visible and magnetic markings to be tested or read, an information-bearing medium such as a data-reco
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