| 摘要 |
A wireless system for monitoring food safety having a monitor adapted to be disposed within a refrigerator. The monitor has a thermometer for 5 measuring the temperature of the food within a refrigerator and a clock operatively communicating with the thermometer. The clock counts a time interval during which the thermometer detects at least a predetermined temperature communicating with the monitor. A communication signal, broadcasts an occurrence of the elapsed time exceeding a predetermined 10 value. A receiving station within the broadcast area of the monitor, receives the broadcast elapsed time data and causes the occurrence of the elapsed time data to be transmitted across a cellular network to a remote device. 'o C") iN 0 20 0 U_ a_00 L) cr -0cr N _ 0) r z0 ,: >- L |
