Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Reexamination Certificate
2004-05-11
2008-07-22
Epps, Georgia (Department: 2873)
Optical: systems and elements
Single channel simultaneously to or from plural channels
By partial reflection at beam splitting or combining surface
C345S008000
Reexamination Certificate
active
07403337
ABSTRACT:
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.
REFERENCES:
patent: 6307526 (2001-10-01), Mann
patent: 6349001 (2002-02-01), Spitzer
Epps Georgia
Harrington Alicia M
Universal vision biotechnology Co., Ltd.
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