To display information about an image sensing apparatus on a display when the display is OFF, the display is turned ON for only a predetermined time and displays the information in the image sensing apparatus having an image sensor and the display for displaying an image obtained by the image sensor...http://www.google.com.hk/patents/US20020054232?utm_source=gb-gplus-share專利 US20020054232 - Information display control in image sensing apparatus