Group keys and image group names of image groups to which the owner of a digital camera belongs are transmitted from a server to the digital camera. The image group names are displayed in list form and an image group name is selected from the list. The group key of the selected image group is transmitted...http://www.google.com/patents/US7742074?utm_source=gb-gplus-sharePatent US7742074 - Image file sharing method, and digital camera and center server used in image file sharing system
