| 摘要 |
The device has sensors (7a, 7b) for detecting movements and/or acoustic waves and/or heat radiation and/or an X-ray sensor in a closed area (4), which is a part of an electrical appliance (1) such as freezer. A device (8) determines health-hazardous conditions of an animal (5) e.g. cat, which stands in effective connection with a door (3) of the closed area, in order to open the door during detection of the health-hazardous condition or to enable an opening of the door. |
