The wrist-worn device would determine your emotions to make helpful suggestions and sell you products.
In addition, the device is also reported to offer suggestions on how to better interact with other people in your surrounding by tracking your day-to-day behavior with others.
It's unclear how far along the project is, or if it will ever become a commercial device.
A beta testing program is underway, but it is still not evident whether the trial includes prototype hardware, the emotion-detecting software or both.
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It is one of the many hardware projects Amazon is working on that might expand its Alexa-infused product line.
Amazon's voice activated gizmo comes with built-in microphones created to work with a smartphone app. There are other technology companies too, like Google, IBM and Microsoft working on machines reading human emotions.
Prompts on how to use Amazon's Alexa personal assistant are seen in an Amazon "experience centre" in Vallejo, California, U.S., May 8, 2018. An illustration that accompanied the patent application shows a woman with the sniffles telling Alexa that she is hungry. While the patent filing appears to be harmless and only intends to make the voice assistant more efficient and convenient to use, several groups are concerned on the considerable privacy consequences of the device's ability to record audio. Already, Alexa has gained a popular presence in senior care homes.
The patent's abstract describes a system for capturing and processing portions of a spoken command that may occur before the word that wakes Alexa. It's been rumoured to be developing a robot for homes, for instance. It's also the same group reportedly working on the home robot that we first heard about a year ago.
The company, which just this week announced a bipedal delivery android called Digit with arms able to carrying 40-pound loads.