Method for manufacturing lens using opaque or semi-opaque...

Details Method for manufacturing lens using opaque or semi-opaque... Method for manufacturing lens using opaque or semi-opaque...

2011-03-29

2011-03-29

Font, Frank G (Department: 2872)

Optical: systems and elements

Glare or unwanted light reduction

Barrel end or lens mount shade

C359S900000, C264S001700, C264S001320

Reexamination Certificate

active

07914159

ABSTRACT:
An exemplary lens (50) includes a central transparent portion (44) and a peripheral portion (35). The central transparent portion is configured for converging or diverging the light beams transmitted therethrough. The peripheral portion surrounds and extends from the central transparent portion. The peripheral portion is comprised of a shading material.

REFERENCES:
patent: 6426839 (2002-07-01), Dou et al.
patent: 6469832 (2002-10-01), Yotsuya et al.
patent: 7354536 (2008-04-01), Hiranuma
patent: 7602678 (2009-10-01), Takeo et al.
patent: 7639435 (2009-12-01), Chiang
patent: 2005/0018280 (2005-01-01), Richardson
patent: 1836183 (2006-09-01), None
patent: 02226102 (1990-09-01), None

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