A communication device (100) operates in first and second modes of operation including a dispatch mode of operation and a telephone mode of operation. The device (100) includes a main body (124) having a top surface (126) and a cover (102). The cover 102 selectively moves between at least a first position...http://www.google.fr/patents/US6141540?utm_source=gb-gplus-shareBrevet US6141540 - Dual mode communication device
