Hybrid lens system and mobile phone employing the same

Details Hybrid lens system and mobile phone employing the same Hybrid lens system and mobile phone employing the same

2007-02-27

2007-02-27

Thompson, Timothy (Department: 2873)

Optical: systems and elements

Lens

Multiple component lenses

C359S784000, C359S774000

Reexamination Certificate

active

11321193

ABSTRACT:
A hybrid lens system includes, in order from an object side to an image side: a first positive lens, a second negative lens, and a third positive lens. The first lens is made of glass material. The second and second lenses are both made of plastic material and respectively have two aspheric surfaces. The hybrid lens system is capable of resisting scraping and providing high imaging quality.

REFERENCES:
patent: 3944337 (1976-03-01), Ruben
patent: 4531815 (1985-07-01), Konno et al.
patent: 2004/0090685 (2004-05-01), Chen
patent: 2004/0094825 (2004-05-01), Onishi et al.
patent: 2004/0218285 (2004-11-01), Amanai

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