A camera system includes a display monitor which displays an image of an object, taken by an optical unit, on a screen of the monitor. A reading unit reads a preceding image and a current image among a plurality of partially overlapping images, from a memory device, the preceding image and the current...http://www.google.com.au/patents/US6466701?utm_source=gb-gplus-sharePatent US6466701 - System and method for displaying an image indicating a positional relation between partially overlapping images
