| 摘要 |
a) Video monitoring installation. b) Installation characterised by a camera 9 which can be steered and which can move autonomously and has variable focal length, a rail 1, 2, 3, 4, 5, distributed within the zones to be monitored and fitted with remotely controlled routing means A-E, A1-E1, a remote-control unit 6, 7, 8 with link by cable 7 and a video transceiver 12, 15, 16. c) The invention relates to video monitoring installations. <IMAGE>
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