In a camera provided with a photographing element to convert image information into electric image data, and a memory mounting section on which a memory is mounted; a sensor detects a condition that the memory is being demounted from the memory mounting section and ouputs a demounting detecting signal...http://www.google.com/patents/US20030011690?utm_source=gb-gplus-sharePatent US20030011690 - DIGITAL CAMERA WITH DETACHABLE MEMORY MEDIUM