JFYI, around 1993 there was a (not overly successful/common, as it was not cheap) device that essentially was that, the Compaq Concerto: https://en.wikipedia.o

JFYI, around 1993 there was a (not overly successful/common, as it was not cheap) device that essentially was that, the Compaq Concerto: https://en.wikipedia.org/wiki/Compaq_Concerto https://en.wikipedia.org/wiki/Compaq_Concerto The design was clever, the "tablet" part had a metal bracket that was used to support it when on a desk and the (small but not bad at all) keyboard was detachable and was connected by a short cable with a "normal" PS/2 connector, here is a photo where you can see the detail of the detachable keyboard: https://www.pinterest.com/pin/780952391606611051/ https://www.pinterest.com/pin/780952391606611051/