Embodiments of the present invention include systems and methods that relate to pulse oximetry. Specifically, one embodiment includes an oximeter sensor comprising a light emitting element configured to emit light, a light detector configured to detect the light, and a memory storing values of skin temperature...http://www.google.de/patents/US8112137?utm_source=gb-gplus-sharePatent US8112137 - Method and circuit for storing and providing historical physiological data
