Optical system for alternative or simultaneous direction of light originating from two scenes to the eye of a viewer
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United States of America Patent
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Jun 10, 2003
Grant Date -
N/A
app pub date -
Apr 29, 1999
filing date -
Nov 12, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An optical system for alternative or simultaneous direction of light from two scenes to the eye of a viewer comprising (a) a first lens (42) having a first focal length; (b) a second lens (44) having a second focal length, the first and second lenses being positioned aside one another in front of one of the eyes of the viewer, such that a single light beam from any of the scenes (48, 50) passes only through one of the first and second lenses; and (c) an optical arrangement for directing incident light originating from the first scene and passing through the first lens into the eye of the viewer, and at the same time, for directing incident light originating from the second scene and passing through the second lens into the eye of the viewer, the optical arrangement being positioned between the first and second lenses and the eye of the viewer.
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Cited Art Landscape
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