Patent ID: 6144417
Filing Date: 2000-11-07
Classification: A63F,H04N

Abstract:
A window frame for a screen of a display unit comprising:a frame structure being capable of covering over said screen of said display unit at a prescribed distance away from said screen; andsaid frame structure enclosing a window space having a size smaller than a size of said screen of the display unit, said frame structure covering parts of the display unit other than said screen, whereby only said screen is visible through the window space from a plurality of view points within a prescribed range, said frame structure including:a front wall having an aperture therein for defining said window space, said front wall being arranged in a first plane substantially parallel to said screen, said aperture forming inner edges of said front wall; anda plurality of inner walls extending from said inner edges of said front wall toward said screen, said inner walls being arranged substantially perpendicular to said first plane, whereby said inner walls are visible as inner faces of said window frame.