A radio paging system for transmitting address signals and messages, as well as information common to a plurality of receivers, and a receiver applicable to such a system. The radio paging system includes: an encoder which produces a first code, followed by a string of address codes each of which is...http://www.google.ca/patents/US4783654?utm_source=gb-gplus-sharePatent US4783654 - Radio paging system capable of transmitting common information and receiver therefor
