A digital thermometer, having a sensing tip that is integral with a heater, a display, and a microcontroller which samples for rise time and proportionally operates the heater to increase the temperature of the sensing tip in an alternating control sequence that includes a post-heating delay and, thus,...http://www.google.de/patents/US6146015?utm_source=gb-gplus-sharePatent US6146015 - Fast response digital thermometer
