Rear view mirror unit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 1, 1997
Grant Date -
N/A
app pub date -
Oct 27, 1995
filing date -
Apr 10, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rear view mirror unit of the type in which light from a region behind an observer is directed to the observer's eye by an optical system including a reflecting component and a refracting component in which the refracting component of the optical system includes a plurality of refracting interfaces inclined to one another and including first and second interfaces of an objective refractor, which converge towards a first side of the longitudinal median plane of the unit and third and fourth interfaces of an ocular refractor which converge towards a second side of the longitudinal median plane of the unit opposite the first. The ocular retractor is transversed twice by the light in its path to the observer's eye from the object, and the refractors may be formed as Fresnel prisms.
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Cited Art Landscape
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