Patent ID: 6337709
Filing Date: 2002-01-08
Classification: H04N

Abstract:
In an image display device for displaying an image from a camera on a display screen, the improvement which comprises:whole image memory means for memorizing a whole image of a whole area that is larger than a sub-area capable of being taken in by the camera; whole image display means for displaying the memorized whole image; area image display means for displaying a current image of the sub-area that the camera is taking in; camera position detecting means for detecting a present position in the whole image, of the sub-area of the current image that the camera is taking in; camera position display means for displaying a mark on the whole image displayed by said whole image display means showing said present position detected by said camera position detecting means; and whole image renewal means for renewing the whole image that is memorized in said whole image memory means in response to an input of a whole image renewal command.