The graphical indicators and main information, i.e. text or pictures, co-exist...http://www.google.com/patents/US7328845?utm_source=gb-gplus-sharePatent US7328845 - Method for producing indicators and processing apparatus and system utilizing the indicatorsAdvanced Patent SearchPublication numberUS7328845 B2Publication typeGrantApplication numberUS 10/189,244Publication dateFeb 12, 2008Filing date