Patent ID: 7314171
Filing Date: 2008-01-01
Classification: G07C

Abstract:
1. A ballot marking apparatus for recording on a pre-printed paper ballot voter selections from one or more election contests, comprising: a housing; a plurality of paper guide members forming a paper path for the ballot within said housing; a paper drive for advancing the ballot along said paper path; a print head disposed along said paper path for printing on the ballot; a print head control circuit for controlling the operation of said print head; a scanner disposed along said paper path for generating an output signal indicative of the position of the ballot; a skew compensation circuit responsive to said scanner output signal for developing an error signal indicative of the skew of the ballot within said paper path; and said print head control circuit being responsive to said error signal for adjusting the printing location of said print head on the ballot to compensate for said skew within said paper path.