Fitbit recently filed a patent application (pdf) for a force-sensitive display that would enable blood pressure readings on wearables. But even if patents did guarantee success — which they don’t — the past few months make it hard to be confident in the future of Fitbit smartwatches.
First things first, you shouldn’t read too hard into any patent filing. While it can give you a sense of what a company’s working on, it’s a legal tool for companies to effectively call dibs on a particular innovation. In the claims section of this filing (via Wareable), Fitbit outlines a force-sensitive screen combined with a photoplethysmography (PPG) sensor that, when pressed, can estimate your blood pressure.
What’s neat about this concept is that it’s…
