A dedicated paging system having single button paging, requiring only a single press of a dedicated button on a page base to automatically page a pager associated with the page base. Information associating the page base with the pager is stored in the page base and/or a database maintained by a paging...http://www.google.de/patents/US5839054?utm_source=gb-gplus-sharePatent US5839054 - Automatic registration paging system
