Abstract
A tracking device for transported grain. A tracking device for grain comprises a radio-frequency identification (RFID) tag dimensioned to have a size approximating surrounding grain. The tag comprises a memory and an RF communication channel. Data is stored in the memory, comprising at least a time when the RFID tag was handled with surrounding grain and information sufficient to determine a location of handling at the time when the RFID tag was handled with the surrounding grain.
Original language | English (US) |
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U.S. patent number | 7162328 |
Filing date | 12/9/05 |
State | Published - Jan 9 2007 |