Miniature digital camera lens

Details Miniature digital camera lens Miniature digital camera lens

2007-04-03

2007-04-03

Schwartz, Jordan M. (Department: 2873)

Optical: systems and elements

Lens

Multiple component lenses

C359S755000

Reexamination Certificate

active

11023821

ABSTRACT:
Miniature camera lenses (100, 300) include in order an object side (116, 302) to the image side (118, 304) a first double concave lens (102, 306), a lens group including first convergent meniscus lens (104, 318), a first double convex lens (106, 312), a second convergent meniscus lens (108, 318), a second double concave lens (110, 330), a second double convex lens (112, 336), and a divergent meniscus lens (114, 342). The lenses (100, 300) feature a field of view of about fifty six degrees, low distortion, a relatively long back focal distance, and a relatively low F-number.

REFERENCES:
patent: 1792917 (1931-02-01), Merle
patent: 2117252 (1938-05-01), Lee
patent: 3504961 (1970-04-01), Hoogland et al.
patent: 3924934 (1975-12-01), Grey
patent: 4304466 (1981-12-01), Betensky
patent: 5796528 (1998-08-01), Mihara
patent: 5798874 (1998-08-01), Yamamoto
patent: 2003/0161054 (2003-08-01), Sato
patent: 2004/0042087 (2004-03-01), Takato

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