Methods and apparatus to detect and warn proximate entities of interest

A signal generation system for a vehicle capable of different modes of movement, the generation system comprising:

• a detector to determine a property of vehicle movement and to produce an output representative of the property, the property of vehicle movement being a dynamic property including a forward direction and a rearward direction;
• and
• a signal generator including an input to receive the output representative of the property of vehicle movement from the detector, the signal generator to generate a first selected signal that provides a first warning zone that is directed toward a front of the vehicle when the detector detects the vehicle is moving in the forward direction and a second selected signal that provides a second warning zone that is directed toward a rear of the vehicle when the vehicle is moving in the rearward direction, the signal generator to dynamically modify a size and shape of the first and second warning zones based on the property of vehicle movement as the vehicle moves along a travel path, the signal generator to select between the first selected signal and the second selected signal based on a detected change in direction of the vehicle, the first and second selected signals to communicate with a device separate from the vehicle and within the first and second warning zones.

A signal generation system for a vehicle capable of different modes of movement, the generation system comprising:

• a detector to determine a property of vehicle movement and to produce an output representative of the property, the property of vehicle movement being a dynamic property including at least one of a forward direction and a rearward direction;
• and
• a signal generator including an input to receive the output representative of the property of vehicle movement from the detector and, responsively, to generate a selected signal based on the received output, wherein the selected signal provides a warning zone that is directed toward a front of the vehicle when the vehicle is moving in the forward direction and directed toward a rear of the vehicle when the vehicle is moving in the rearward direction, the selected signal to communicate with a device separate from the vehicle and within the warning zone, wherein the dynamic property is a rotational direction in which a vehicle steering wheel is being rotated, and wherein the selected signal projects the warning zone in a direction opposite the rotational direction in which the vehicle steering wheel is rotated.