Method and apparatus for verification of ingestion
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United States of America Patent
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Sep 23, 2008
Grant Date -
Jun 16, 2005
app pub date -
Dec 15, 2003
filing date -
Dec 15, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus keeps track of ingestible objects (such as pills or food items) ingested by humans or animals. The objects are supplied with radio frequency identification (RFID) tags encoding data describing the objects. The humans or animals ingesting the objects are equipped with RFID sensors for detecting, decoding, and archiving the data encoded in the tags. A user may scan the body of the human or animal subject with a sensor to determine if a tagged object has been ingested. The tags may be covered with substances or contain elements that dissolve upon entering a digestive system. This allows detection of ingestion and also allows the RFID tag encoding to change in the course of digestion.
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