Patent ID: 6832044
Filing Date: 2004-12-14
Classification: A61B

Abstract:
An iris imaging apparatus comprising:a telephoto camera for imaging an enlarged image of an eye of a person to be authenticated; a first iris lighting device controlled to emit light when the telephoto camera images the enlarged image; a iris lighting motor for rotating the first iris lighting device to set direction of light emitted from the first iris lighting device to a position of the eye of the person to be authenticated; a platform; a turning stage rotatably mounted on the platform, with which the telephoto camera, the first iris lighting device and the iris lighting motor are mounted; a rotating mirror for reflecting an incident light from the eye of the person to be authenticated to the telephoto camera; a rotating mirror motor for rotating the rotating mirror; and a range sensor for measuring distance to the person to be authenticated being provided to a position below the rotating mirror, wherein the rotating mirror and the rotating mirror motor are mounted with the turning stage, and the telephoto camera is disposed transversely so that the rotation axis of the turning stage is coaxial with an optical axis of the telephoto camera.