Internal red dot sight

Details Internal red dot sight Internal red dot sight

2007-06-26

2007-06-26

Carone, Michael J. (Department: 3641)

Firearms

Implements

Sight devices

C042S131000, C042S132000

Reexamination Certificate

active

11164853

ABSTRACT:
An internal red dot sight includes an objective lens formed of a convex lens, a planar eye lens set in a tilt angle relative to the objective lens and facing the concave surface of the objective lens, and a light emitting device set in between the planar eye lens and the objective lens and controlled to emit a point light source onto the eye lens for enabling the eye lens to reflect the point light source and to further produce a virtual point light source on the focal point of the objective lens for viewing by the user.

REFERENCES:
patent: 5493450 (1996-02-01), Ekstrand
patent: 5594584 (1997-01-01), Kay et al.
patent: 5724181 (1998-03-01), Negishi
patent: 6373628 (2002-04-01), Gunnarsson et al.
patent: 6967775 (2005-11-01), Millett

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