A method that allows one to mark information with a pencil on a material equipped with a RFID type circuit, and have the marked information stored in a RFID circuit that is a component of a personal identification system and/or a document identification system. The marked entered information may be corrected...http://www.google.com.tw/patents/US6805291?utm_source=gb-gplus-share專利 US6805291 - Method for field programmable radio frequency document identification devices
