Imaging lens assembly having multiple lenses with positive...

Details Imaging lens assembly having multiple lenses with positive... Imaging lens assembly having multiple lenses with positive...

2011-07-19

2011-07-19

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Lens

Multiple component lenses

C359S715000

Reexamination Certificate

active

07982977

ABSTRACT:
An imaging lens, which can be suitable for small-size information terminals, such as mobile phones equipped with cameras, or Personal Digital Assistants (PDAs). The imaging lens includes an iris, a first lens having a positive refractive power, a second lens, having a negative refractive power, a third lens having an aspherical shape and a positive refractive power, and a fourth lens having an aspherical shape and a negative refractive power.

REFERENCES:
patent: 7355801 (2008-04-01), Chen et al.
patent: 7535659 (2009-05-01), Sano
patent: 2007/0188890 (2007-08-01), Jo et al.

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