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Amazon patents spoilage-sniffing refrigerator

7 Aug 2019, 17:59 UTC
Amazon patents spoilage-sniffing refrigerator
(200 words excerpt, click title or image to see full post)

A diagram indicates the location of chemical sensors in a proposed spoilage-detecting refrigerator. (Amazon Illustration via USPTO)
Years after making its application, Amazon has won a patent for a refrigerator that uses cameras and chemical sensors to sniff out spoiled food.
But if you’re waiting to get one-day shipping for a fridge that knows your fruit has gone bad before you do, you might want to put those hopes on ice. Or look to similar spoilage-detecting gizmos that are already out there.
The concept is suited to our foodie age, as well as the age of the Internet of Things.
In the newly approved patent application, Amazon inventor Simon Kurt Johnston starts with the obvious: “Food or drinks in the refrigerator will eventually spoil.”
It almost sounds as if Johnston is speaking from experience when he explains why a spoilage-sensing fridge is needed: “A user may not notice that food or drinks within the refrigerator are spoiling because these items may be stored out of sight (e.g., at the back of the refrigerator, in a drawer or bin, or behind another item).”
The solution? Seal off every bin, and put cameras and sensors inside. The camera system could be programmed ...

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