MEMBER FOR CREATING LATENT IMAGE USED TO PREVENT COUNTS, CREDIT CARDS ETC FROM FORGERY AND METHOD FOR MANUFACTURE LATENT IMAGE

摘要

FIELD: protection of documents from falsification. SUBSTANCE: member has base with ridges and slots formed on base for displaying various types of patterns having straight lines of image, which define blurred pattern or embossed pattern or combination of such patterns. Straight lines are printed on top surface of ridges and slots in spaced relation, with space between lines having predetermined value. Straight lines have color different from that of base. Patterns are defined by letters, figures etc and may be visually identified only when member is looked at corresponding angle of vision. Method for manufacture of such member is described in Specifications. EFFECT: increased efficiency, wider operational capabilities and enhanced reliability in operation. 12 cl, 7 dwg