{TAIL ~ The device} possesses the ergonomic benefits of a a card, yet can scan a wide angle moving beam across an information bearing target in one or two dimensional scan patterns such as lines, {HEAD ~ rasters} or other patterns in order to read information therefrom 
{ TAIL ~ The device } possesses the ergonomic benefits of a a card , yet can scan a wide angle moving beam across an information bearing target in one or two dimensional scan patterns such as lines , { HEAD ~ rasters } or other patterns in order to read information therefrom
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