Method for adjusting quality of a pantograph background pattern Void pantographs and methods for generating the same Tools to embed information into digital visual works Priority Applications (1) Application NumberĪpplications Claiming Priority (4) Application Numberįamily ID=49484193 Family Applications (1) Application Numberįamilies Citing this family (1) * Cited by examiner, † Cited by third party Publication numberįamily Cites Families (4) * Cited by examiner, † Cited by third party Publication number US13/851,302 Method of generating void pantographs The method of claim 19 wherein the generating a pantograph foreground and a pantograph background comprises combining two different dot patterns selected from the multiple combinations of dot size and dot placement on an X-Y grid. originals that are designed not to allow faithful reproductionĢ0.