A selective call receiver (100) operating from a battery (102), includes a battery monitor (114), a radio receiver (108), a regulator (104), a capacitor (105) coupled to the regulator and the radio receiver, and a processor (116) for controlling the foregoing elements. The processor is adapted to determine...http://www.google.de/patents/US6160490?utm_source=gb-gplus-sharePatent US6160490 - Apparatus for improving the battery life of a selective call receiver
