| 摘要 |
The present invention relates to a monitoring camera (10). The monitoring camera (10) includes a camera lens (16), an image sensor (12), and a housing (20) enclosing the image sensor. The housing (20) further encloses a volume of Phase Changing Material (40), PCM, having the characteristic of not begin phase changing until its temperature rises above a predetermined phase changing temperature (Tp), wherein the phase changing temperature (Tp) is in the range of 20-80 degrees Celsius. |
