Patent ID: 6922211

Claim:
A scanning device for a monitoring apparatus, the scanning device comprising: first and second bodies movable with respect to one another; a first rotatable coupling mechanism coupling the first and second bodies; a first drive mechanism for rotating one of the first and second bodies with respect to the other about a first axis of rotation; at least one first connection cable connecting between the first and second bodies, the first rotatable coupling mechanism being provided with a first housing for the at least one first connection cable to pass through, the at least one first connection cable passing through the first housing substantially along the first axis of rotation; a casing for the monitoring apparatus, the casing including a transparent element through which the monitoring apparatus monitors; a cleaning device for the transparent element, the cleaning device comprising a transparent film moveably disposed outside the casing and a transport mechanism for moving the film along a predetermined path tangential to the transparent element to carry the film in front of the transparent element.