Patent ID: 7475814

Claim:
A system for tracking a shipping container or a trailer within a monitored environment, comprising: a tag mounting device adapted to be temporarily mounted to a container or trailer within the monitored environment, said tag mounting device comprising a mounting frame having a support leg with opposing ends, a clamp mechanism comprising a latch member carried by an end of the support leg and comprising a tongue member for extending into a rim on the container and lever carried by the latch member and adapted for clamping the support leg onto a rim of the container or trailer such that the support leg extends against a surface of the container or trailer, a tag support member extending outward from the other end of the support leg opposing the clamp mechanism, and a tag transmitter carried by the tag support member and operative for transmitting wireless signals; at least one receiver positioned at a known location within the monitored environment that receives the wireless signals from the tag transmitter; and a processor in communication with the at least one receiver for locating the tag transmitter and determining the location of the shipping container or trailer.