Optical: systems and elements – Lens – Multiple component lenses
Reexamination Certificate
2010-12-17
2011-12-06
Sugarman, Scott J (Department: 2873)
Optical: systems and elements
Lens
Multiple component lenses
C359S714000, C359S763000
Reexamination Certificate
active
08072695
ABSTRACT:
An imaging lens includes plastic-made first, second, third, fourth, and fifth lens elements arranged in the given order from an object side to an imaging side, each having object-side and imaging-side surfaces facing toward the object and imaging sides, respectively. The first lens element has a positive focusing power, and the object-side surface thereof is a convex surface. The second lens element has a negative focusing power, and the imaging-side surface thereof is a concave surface. The third lens element has a positive focusing power, and each of the imaging-side and object-side surfaces thereof is a convex surface. The fourth lens element is a meniscus lens, and the imaging-side surface thereof is a convex surface. The imaging-side surface of the fifth lens element has a concave area in a vicinity of an optical axis of the fifth lens element.
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patent: 2010/0277605 (2010-11-01), Nozaki et al.
Chang Kuo-Wen
Lee Poche
Liao Long-Sheng
Dickstein & Shapiro LLP
Genius Electronic Optical Co. Ltd.
Sugarman Scott J
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