Front rear switchable keyboard

摘要

A keyboard with a more standard qwerty key pattern on a top surface where an operators hands approach the keyboard from a front side for use as a standard keyboard for front data input and then the same keyboard electronically switches to two separate more 90 degree key patterns on the same top surface where an operators hands approach the keyboard from the two ends of the keyboard and then place the keyboard on the rear of a PDA or other host for rear key input. To also incorporate a cradle or attachment means for PDA's and the like on the opposite side from the keyboard. To also be a PDA or held computer with fixed rear keyboard, and to allow more ergonomic key input.