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Reducing Specular Reflection Problems in a Holographic Scanner Disclosure Number: IPCOM000035794D
Original Publication Date: 1989-Aug-01
Included in the Prior Art Database: 2005-Jan-28

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Dickson, LD [+details]


This article describes a relatively simple method of eliminating the most common specular reflection problem in a holographic bar code scanner by making use of the capability of separating the outgoing portion and the return portion of the holographic facet while retaining the advantageous features of retro-collection scanning.