Patent ID: 8339358
Filing Date: 2012-12-25
Classification: G03G,G06F,H04N

Abstract:
1. An input apparatus for enabling a user to enter an instruction into a main apparatus, the input apparatus comprising: a table device connected to a front side of the main apparatus having a table configured to expand and contract in a horizontal direction and being operable in both an expanded and a contracted state; a projector unit configured to project an image of plural virtual keys that is adapted to the size of the table onto the table; a position detecting device configured to contactlessly detect position information about a finger of the user that is placed on the table; and a key detecting device configured to detect one of the plural virtual keys that corresponds to the position of the finger of the user detected by the position detecting device, based on information about the image of the plural virtual keys and a result of the detection made by the position detecting device, wherein a size of the table is changed in accordance with information identifying the user.