76640640
Jun 9, 2005
Jan 23, 2007
Slope and land movement monitoring system for use with mining sites, excavation sites and similar land sites comprised of sensing devices in the nature of extensometers, radio transmitters and receivers for transmitting data from sensing devices to a remote location and associated apparatus used to detect motion between connected sensor units, namely, cables, pulleys, cable anchors, cable reels, magnetic clutches and weighted pulley supports, and related data processing and transmission software
Electrical and Scientific Apparatus