Lens Assembly

Details Lens Assembly Lens Assembly

2005-10-31

2008-07-22

Thompson, Timothy J (Department: 2873)

Optical: systems and elements

Lens

Multiple component lenses

C359S778000, C359S686000, C359S687000

Reexamination Certificate

active

07403344

ABSTRACT:
A lens assembly suitable for use in miniature cameras is disclosed. The lens assembly can have a plurality of glass lenses having spherical surfaces and a single plastic lens having aspheric surfaces, for example. Optionally, all of the lenses can be disposed within a common lens barrel. A pupil plane can be located just in front of the first lens to provide a small chief ray angle. Both the cost of the lens assembly and alignment sensitivity are advantageously mitigated.

REFERENCES:
patent: 5142318 (1992-08-01), Taniguchi et al.
patent: 6259508 (2001-07-01), Shigematsu
patent: 7110188 (2006-09-01), Matsui et al.
patent: 7283315 (2007-10-01), Noguchi
patent: 2002/0036832 (2002-03-01), Schultz et al.
patent: 2003/0161054 (2003-08-01), Sato
patent: 2004/0228009 (2004-11-01), Kamo et al.
patent: 2005/0280904 (2005-12-01), Wang et al.

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