US Patent 10339832 Keyboard with integrated refreshable braille display

A hybrid keyboard and associated systems and methods. A disclosed hybrid keyboard includes a set of interactive keys, each having an integrated refreshable braille display, wherein each interactive key includes a momentary switch for detecting a keystroke and includes a actuator system for selectively extending pins through a surface of the interactive key; and a keyboard controller that includes a keystroke input handler for receiving and processing signals associated with detected keystrokes and includes a braille display handler that processes received messages and transmits message signals to selected interactive keys to output braille characters.