Lens unit and compact image pickup module

Details Lens unit and compact image pickup module Lens unit and compact image pickup module

2007-06-12

2007-06-12

Ben, Loha (Department: 2873)

Optical: systems and elements

Lens

With support

C359S819000, C359S826000, C359S823000, C359S701000, C396S072000, C396S075000

Reexamination Certificate

active

11393709

ABSTRACT:
The lens unit includes an imaging lens including lenses, each of which includes a lens portion having an optical function and a flange portion on a periphery of the lens portion, and a ring-shaped lens holding member provided between the lenses and holds at least one of the lenses and a cylindrical-shaped lens-barrel including a lens holding portion that holds the imaging lens. The flange portion of each of the lenses is fittable to the flange portion of the other lens of the lenses, or the lens holding portion or an inner surface of the lens-barrel, and the lenses combined with each other through fitting to the flange portion of the other lens, the lens holding portion or the inner surface of the lens-barrel have respective shapes in which optical axes of the lenses coincide each other under a fitting state. The compact image pickup module includes the lens unit.

REFERENCES:
patent: 2240827 (1941-05-01), Bangert et al.
patent: 2918842 (1959-12-01), Smith
patent: 4525050 (1985-06-01), Ohashi
patent: 4791441 (1988-12-01), Nishi et al.
patent: 5177641 (1993-01-01), Kobayashi et al.
patent: 5712734 (1998-01-01), Kanno
patent: 5900992 (1999-05-01), Kodaka et al.
patent: 7129474 (2006-10-01), Kobayashi
patent: 2005/0168846 (2005-08-01), Ye et al.
patent: 2002-82272 (2002-03-01), None

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