US Patent 9367146 Input device with multiple touch-sensitive zones

An input device includes a housing for supporting a user's hand and a displacement sensor, mounted in the housing, for providing a displacement signal. The input device also includes a first portion of the housing operable to receive a first digit of the user and a first solid-state touch sensor disposed in the first portion and operable to detect movement of the first digit along the first portion. The input device further includes a second portion on the housing operable to receive a second digit of the user and a second solid-state touch sensor disposed in the second portion and operable to detect movement of the second digit along the second portion.