The disclosed inventions relate to a method and apparatus for creating scramble signals. The disclosed inventions further relate to a method and apparatus for creating scramble signals from data signals. The disclosed inventions also relate to a method and apparatus for creating minimum-energy scramble...http://www.google.com.hk/patents/US7889054?utm_source=gb-gplus-share專利 US7889054 - Method and apparatus for creating scramble signals in RFID
