Patent ID: 8346295

Claim:
A keypad comprising: a keypad surface; one or more toggle keys that protrude through the keypad surface, each toggle key comprising a first key surface and a second key surface that are separated by the keypad surface, both key surfaces being rigidly adjoined together as portions of a single toggle key such that pressing both key surfaces simultaneously will lower a middle section of the toggle key, the middle section being between the two key surfaces and being covered by a portion of the keypad surface, and configured for a single finger to press both key surfaces simultaneously; a first switch beneath the first key surface; a second switch beneath the second key surface; and a middle switch beneath the toggle key's middle section, configured such that pressing solely the first key surface activates the first and middle switches, pressing solely the second key surface activates the second and middle switches, and pressing both key surfaces simultaneously activates all three switches, wherein pressing the first key surface inputs a first character, pressing the second key surface inputs a second character, and pressing both key surfaces simultaneously outputs a third character different than the first and second characters.