HEAD MOUNTED VIDEO DISPLAY SYSTEM WITH PORTABLE VIDEO INTERFACE UNIT

摘要

A portable video display system (fig. 1) includes a head-up display unit (12) that includes optics for projecting an enlarged virtual image of video information depicted on a video display wherein the virtual image is viewable by a user wearing the head-up display unit. The video display system also includes a portable device (14) that may be carried on a user's clothing for receiving video signals and audio signals. The portable device (14) (fig. 3) couples the video signals to the video display of the head-up display unit and couples the audio signals to earphones. The portable device (14) includes a power supply (96) and, combines the audio, video and power signals so that they may be coupled to the video display unit (12) via a single lead (18). Further, in one embodiment, the portable device (14) includes a receiver for receiving radio frequency modulated video and audio signals that are coupled from the portable device (14) to the head-up display unit (12), wherein the portable device (14) may be mounted on a frame of the head-up display unit (12).