SELF-ADJUSTING PORTALS WITH MOVABLE DATA TAG READERS FOR IMPROVED READING OF DATA TAGS

摘要

The invention concerns moving data tag readers in a portal responsive to a moving article said article moving relative to said data tag reader to improve reading of a data tag on the article. Position sensors determine position information for the moving article. A controller module translates a positioning device having a data tag reader mounted thereon responsive to the determined position information. Moving the data tag reader provides improved reading of the data tag on the moving article.