A method of displaying relative information which uses special segments in a liquid crystal display within the electronic price label. The system includes the electronic price label and a number of computers. In addition to the liquid crystal display, the electronic price label includes a memory. The...http://www.google.com/patents/US20010000406?utm_source=gb-gplus-sharePatent US20010000406 - System and method of graphically displaying relative information by an electronic price label
