Focus adjustable head mounted display system and method and device for realizing the system

摘要

A focus adjustable head mounted display system used in a head mounted display device has an image capturing device for capturing environment images; an image processing unit for receiving image signals from the image capturing device and processing the received image signals; a focus adjustment unit for adjusting an input image from the image capturing device according an input focus adjustment signal so that the adjusted display image responses the focus adjustment signal; an image display unit installed at a head mounted display device for displaying the adjusted display image; a focus input unit being a manually operation device for generating a focus adjustment signal to the image processing unit; and the focus input unit providing a focus value to the focus adjustment software. A head mounted display device and a method for realizing the focus adjustable head mounted display system are also disclosed.