TWI528227B

A ring for identify a gesture is provided. A user wears a ring on a first finger, in which the ring has a first contact region facing a second finger adjacent to the first finger, and a second contact region facing a third finger adjacent to the first finger. The first contact region is configured to detect a touch or proximity input from the second finger, and the second contact region is configured to detect a touch or proximity input from the third finger. Each of the first and second contact regions has one or more touch or proximity sensors. The user moves the first, second, and third fingers relative to each other. In response to a first finger and hand gesture, a touch or proximity input is detected at the first contact region but not at the second contact region. In response to a second finger and hand gesture, a touch or proximity input is detected at the second contact region but not at the first contact region. In response to a third finger and hand gesture, touch or proximity inputs are detected a