A method and apparatus for conserving power in a medical diagnostic apparatus by using a sleep mode during a monitoring state. The sleep mode allows not only the processor to be put to sleep, but other detection circuitry as well. This is accomplished by not relying on detecting events to awaken the...http://www.google.fr/patents/US5924979?utm_source=gb-gplus-shareBrevet US5924979 - Medical diagnostic apparatus with sleep mode
