Anamorphic lens for digital projection
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 28, 2003
Grant Date -
Aug 29, 2002
app pub date -
May 8, 2001
filing date -
Dec 1, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An anamorphic lens for a digital projection display system comprising a projection lens and an optical axis has an anamorphic factor between 1.3 and 2.0. The anamorphic lens includes a first afocal part placed in front of the projection lens and a second part placed behind the projection lens. The first part comprises a plurality of lens elements configured for magnification in a first direction transverse to the optical axis. The second part comprises at least one element configured for magnification in a second direction perpendicular to the first direction.
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