In some embodiments, a method comprises: sensing at least one of movement and position of an identification token; determining if a criteria is satisfied; and enabling operation of the identification token if the criteria is satisfied; wherein determining if the criteria is satisfied comprises determining...http://www.google.com.au/patents/US7992779?utm_source=gb-gplus-sharePatent US7992779 - Method for use in association with identification token and apparatus including identification token
