Patent ID: 6992695
Filing Date: 2006-01-31
Classification: F16M,G08B,H04B,H04N

Abstract:
1. A surveillance system comprising: an electrical conducting track; two or more carriages movable on said track; a driving means mounted on each said carriage for moving each said carriage to different locations along said track; a power supply providing power to each said carriage; at least one monitoring device mounted on each said carriage providing an output signal for a monitored location; a modulation means receiving said output signal; a transmission means for transmitting modulated output signals on said track; a means for receiving and demodulating said transmitted modulated output signals; a viewing means to view said demodulated output signal at a remote location; and a control means for controlling movement of each said carriage on said track, said control means including means for avoiding collisions between said carriages.