US Patent 7372451 Industrial augmented reality

This invention includes a system and method for displaying a data including detecting visual markers (18) within view of a wearable camera (14) worn by a human worker, determining the environmental status and displaying data associated with at least one of those visual markers and based on the environmental status on a see-through wearable display (12) worn by the operator. Another aspect of the invention provides a system and method for coordinating the movement of human workers comprising detecting one or more visual markers (18) within view of a camera (14) worn by the worker, and determine the location of the worker from the stored location of the visual marker within view of the camera.