US Patent 7628551 Security surveillance system and method of operating same

A security surveillance system having a support, a surveillance device mounted on the support, and a cover assembly. The cover assembly is movable selectively relative to the support between an access state and an operative state. In the access state, at least a first operating state of the surveillance device can be changed by an operator at or in the vicinity of the surveillance device. In the operative state, the cover assembly blocks access by an operator. The cover assembly has a first component and the support has a second component. The first and second components are mutually attracted to each other.