Users interact with electronic devices via a variety of input devices, such as buttons, touchpads, touchscreens, keyboards, styluses, and mice. Touchpads allow users to provide the electronic devices with a variety of commands and instructions because of their flexibility in receiving many types of input, including touches, swipes, gestures, taps, and holds from one or more fingers or other input devices. Touchpads also allow for robust construction and ergonomic variability in environments in which other input devices may not function as effectively. In particular, a micro touchpad sized for wearable devices, such as watches, activity trackers, or headphones, that retains the functionality of larger touchpads allows users to interact with electronic devices in ways normally reserved for larger devices. The micro touchpad includes multiple sensor pads arranged in small form factor and configured to receive a variety of inputs from a user of an electronic device.
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Li, Chun Yat; Cui, Guangzhe; and Mukherjee, Debanjan, "Micro Touchpad for Wearables", Technical Disclosure Commons, (December 20, 2018)