Patent ID: 6196455
Filing Date: 2001-03-06
Classification: G06G

Abstract:
An apparatus, useable with a telescopic sight having a mildot reticle, for determining the distance to a target of a known dimension, the apparatus comprising:a first rule member;a second rule member controllably moveable adjacent to said first rule member;a mildot scale, comprising mil value marks, on said first rule member;a range scale, comprising range value marks, on said first rule member;at least one index point on said second rule member proximate to said range scale;a target dimension scale substantially parallel to said mildot scale, said target dimension scale comprising dimension value marks on said second rule member; andwherein when said second rule member is moved to align a dimension value mark corresponding to the known dimension with a selected mil value mark on said mildot scale, one of said at least one index points is substantially aligned with a range value mark corresponding to the distance to the target.