A method of communicating information between a host device and a potentially portable module device which measures thermal accumulation over time via a temperature controlled counter. The temperature controlled counter may operate using substantially Arrhenius' law. The host device communicates with...http://www.google.com/patents/US6112275?utm_source=gb-gplus-sharePatent US6112275 - Method of communicating over a single wire bus between a host device and a module device which measures thermal accumulation over time
