Methods, systems, and apparatuses for an ingestible sensor device are described. The ingestible sensor devices may be swallowed by an animal to diagnose one or more conditions of the animal. The ingestible sensor device may include a sensor configured to receive a stimulus inside the gastrointestinal...http://www.google.ca/patents/US20080146871?utm_source=gb-gplus-sharePatent US20080146871 - Ingestible Low Power Sensor Device and System for Communicating with Same
