Patent ID: 8179367
Filing Date: 2012-05-15
Classification: G06F,H04N

Abstract:
1. An electronic appliance comprising: a display; a video camera configured to photograph an operator who is in front of the display; a mirror converter configured to form a mirror image of the image photographed by the video camera; an operational image generator configured to generate an operational image containing at least one control button; a mixer configured to mix the mirror image with the operational image into a mixed image; a detector configured to generate a detection signal representative of an operation conducted by the operator with an item of the operator with respect to the control button contained in the mixed image displayed on the display; and a controller configured to carry out a control operation according to the detection signal, the detector including: wherein the write controller stops writing the image of the detection zone to the first memory before the item enters the detection zone when the values of the first data exceed the prescribed value, and wherein the first memory stores a background image of the detection zone without having an image of the item before the item enters the detection zone, and wherein the first subtracter determines the difference between the present image of the detection zone having an image of the item and the background image stored in the first memory.