Patent ID: 8390573
Filing Date: 2013-03-05
Classification: G06F

Abstract:
1. A data input device comprising: (a) a body having a rearward face and a forward face; (b) a display located on the forward face of the body; (c) a first key located on the rearward face of the body; (d) a first map point displayed on the display, the first map point configured to indicate the location of the first key; (e) a second key located on the rearward face of the body; (f) a second map point displayed on the display, the second map point configured to indicate the location of the second key; (g) a an input field displayed on the display; (h) wherein the first map point is a ghost image; (i) wherein the first key is depressible to a first position, in which the first key is not fully depressed, and a second position, which is more depressed than the first position; (j) a non-transitory computer readable program code, encoded in a computer-readable medium executed by the data input device, the program code comprising: (k) wherein the ghost image is adjustable in intensity.