Partial color-corrected projection lens system
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United States of America Patent
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-
Oct 2, 2001
Grant Date -
N/A
app pub date -
Oct 27, 1998
filing date -
Apr 29, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Projection lens systems (13) for use in projection televisions are provided. The systems are characterized by a screen side lens unit (U1) which: (1) has a weak optical power; (2) has a negative, aspherical lens element composed of a high dispersion material; and (3) has a positive lens element which is composed of a low dispersion material.
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Cited Art Landscape
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