What you need to know Huawei patented a 3D fingerprint sensor for its smartwatches for both biometric ID and gesture controls. The patent suggests you'd be able to twist your finger (counter-)clockwise to adjust watch settings like volume and brightness. Smartwatches would also recognize multiple fingerprints in order to register different actions to specific fingers. Samsung and Apple previously patented smartwatch fingerprint sensors in 2018 and 2022, respectively. Smartwatches with contactless payments universally rely on clunky PIN systems for security. We've seen Galaxy and Apple Watch patents for in-display fingerprint sensors or Touch ID built into a button, but neither…