The retail giant aims to use biometric shopping handles to track customers' heart rates, temperatures, and stress levels.
The filing describes how a camera and built-in sensors can work together to track blood hydration, body fat content, oxygen saturation and other health data.
The wall-mounted system, called WiGait, sends out low amounts of radiation and measures how it reflects off the subject.
Two new Benchmark biometric sensor systems are smaller, more power efficient, and deliver Valencell's market-leading biometric accuracy.
As a result, EarlySense users can access doctors through American Well's consumer telehealth service for help with sleep and overall health.
Potential mHealth applications utilize earbuds and other devices to sense stress levels, help prevent dehydration and avoid altitude sickness.
Called SpiroCall, it targets people who have asthma, cystic fibrosis, or other lung disease, and have no way to measure how well their lungs are functioning.
The firm anticipates that body sensors will represent approximately 70% of the total market, with smart clothing accounting for about 30%.
The two companies aim to develop technology that will make it possible for non-invasive body monitoring devices to provide accurate physiological data.
The company will use the new capital to advance fabric research and improve fabric production facilities, as well as to produce numerous prototypes.