Patent ID: 9223008
Filing Date: 2015-12-29
Classification: B66C,G01S,G05D

Abstract:
1. A method for controlling movement of a suspension member such as a rope, cable, sling, net or the like, said suspension member connected at one end to a load lifting and transporting apparatus and having an opposite end configured to connect to and carry a load, said method comprising: providing a suspension member beacon generally at said opposite end of said suspension member, providing a beacon location sensor on said load lifting and transporting apparatus, using said beacon location sensor to observe said suspension member beacon and detect location of said suspension member beacon in a field of view of said beacon location sensor, using an electronic processor, calculating a difference in location between an instant location of said suspension member beacon in said field of view of said beacon location sensor and a desired location of said suspension member beacon in said field of view of said beacon location sensor.