Patent ID: 8482518
Filing Date: 2013-07-09
Classification: G03G,G06F,H04N

Abstract:
1. An input apparatus for a user to input an instruction into a body apparatus, comprising: a projection unit configured to project images of a plurality of virtual keys onto a projection area on a floor surface; a position detection unit configured to detect position information of a foot of the user put on the projection area; and a key detection unit configured to detect a virtual key corresponding to a position of the foot of the user from among the virtual keys based on information on the images of the virtual keys and a result of detection by the position detection unit, wherein the projection unit changes the size of the projection area on the floor surface according to an instruction by the user, the virtual keys include function control keys for controlling functions of the input apparatus, and the projection unit changes the function control keys that are projected in response to a change of the size of the projection area.