VISION MASK
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United States of America Patent
Stats
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N/A
Issued Date -
May 17, 2012
app pub date -
Jul 19, 2010
filing date -
Jul 21, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a vision screen having a continuous convex surface (2) that is cylindrical, toroidal, or spherical, and that presents a trace in a binocular plane of sight that forms an outer circular arc of determined radius (R), the vision screen having a concave surface presenting a trace in the same plane of sight that forms, at least in a region around a point of intersection of each line of sight (AD, AG) with the concave surface, an inner circular arc (3, 4) having a specific radius of curvature (R1), and having a center (C1, C2) that is different from the center of the circular arc intersected by the other line of sight, wherein the radius (R1) specific to each inner circular arc is different from the radius (R) of the outer circular arc.
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