A retractable electronic pen pad for a keypad is provided including a keyboard having a plurality of alphanumeric keys adapted to generate character signals upon the depression thereof. Further included is a sliding bracket coupled to a bottom face of the keyboard. An electronic pen pad is slidably coupled...http://www.google.co.uk/patents/US5864490?utm_source=gb-gplus-sharePatent US5864490 - Retractable electronic pen pad assembly for a keyboard