Patent Application: Edible RFID tags

Kodak has filed a patent application for edible RFID tags, or more specifically,

"A system for monitoring ingestion of medicine comprising: forming an antenna comprised of metal segments and said medicine; forming a digestible radio frequency identification (RFID) tag comprised of at least one of said antennas; ingesting said RFID tag; receiving signals and power from an external transmitter; transmitting signals from said RFID tag to an external receiver; and monitoring a signal from said RFID tag."

» New Scientist