A method and apparatus control blanking of a display (106) in a communication device (100) such as a battery powered radiotelephone. The communication device (100) includes a clock operated blanking timer 317. When the blanking timer 317 elapses, the communication device (100) blanks the display (106)...http://www.google.de/patents/US5881377?utm_source=gb-gplus-sharePatent US5881377 - Communication device and display blanking control method therefor
