US Patent 10934113 Pedestrian-vehicle safety systems for loading docks

Pedestrian-Vehicle safety systems for loading docks are disclosed herein. An example safety system includes a first sensor to monitor a first area adjacent a dock, a bi-directional sensor to signal both incoming movement and outgoing movement of a vehicle relative to the dock, and an incoming sensor to signal only incoming movement of the vehicle relative to the dock. A signaling device is responsive to outputs of at least one of the first sensor, the bi-directional sensor, and the incoming sensor.