Computer hardware and software for use in proximity sensing using GPS navigation sensors and receivers and for providing visual and audible alerts to operators of heavy mobile equipment regarding potential conflict with other objects for use with proximity radar and cameras to increase blind spot visibility; Computer hardware and software for tracking and mapping routes using GPS navigation sensors and receivers for assisting operators of heavy mobile equipment in mitigating collisions with s...

radio frequency identification equipment, namely, proximity tag readers and proximity tags

apparatus for reading encoded identification cards used in controlled access applications

radio frequency identification tags