US Patent 9354446 Modular heads-up display system removable from a headgear frame

A Heads-Up Display (HUD) system comprises a processor, a power source, and one or more sensors coupled to a frame connector. The processor is configured to receive signals from the one or more sensors and output image data. A display is mounted on a display arm extending from the frame connector. The display is configured to display images based on the image data. A goggles frame is configured to releasably receive the frame connector. The display is located within a field of view of a user wearing the goggles frame when the frame connector is received by the goggles frame.