Optical: systems and elements – Lens – Including a nonspherical surface
Reexamination Certificate
2007-02-13
2007-02-13
Harrington, Alicia M (Department: 2873)
Optical: systems and elements
Lens
Including a nonspherical surface
C362S511000
Reexamination Certificate
active
11039436
ABSTRACT:
Described is a light pipe having a first end receiving light beams from a light source, a light pipe body through which the light beams travel and a second end including a dispersion structure with a light emitting surface, the dispersion structure being a substantially conical shaped depression in the second end, the light beams being emitted from the light emitting surface of the dispersion structure at a plurality of angles.
REFERENCES:
patent: 3439157 (1969-04-01), Myles
patent: 4750797 (1988-06-01), Mori
patent: 4826273 (1989-05-01), Tinder et al.
patent: 5897201 (1999-04-01), Simon
patent: 6586756 (2003-07-01), Kopperl et al.
Lim Hui-Leng
Vinogradov Igor
Wallace Patrick
Fay Kaplun & Marcin LLP
Harrington Alicia M
Symbol Technologies Inc.
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