Cable driven image steering and focusing device

Details Cable driven image steering and focusing device Cable driven image steering and focusing device

1997-11-28

1999-12-21

Phan, James

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359212, 359223, 359225, 359226, G02B 2608

Patent

active

060057041

ABSTRACT:
A compact image steering and focusing device has a generally rotatable platform that carries a pan/tilt mirror. The rotatable platform, at least one motor driven lens and a camera are mounted on a housing. Two drive motors each with an associated cable are provided to rotate the rotatable platform and tilt the mirror. Light reflected from a subject is captured by the mirror and directed through the lens to the camera. The device can fit behind the cover plate of an automated teller machine. This system is preferably used with a narrow field of view camera and two wide field of view cameras. Images from the wide field of view cameras are used to focus the narrow field of view camera on one eye of the automated teller machine user to identify the user by iris analysis and comparison to an iris image on file.

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Provisional application Serial No. 60/007,906, filed Dec. 4, 1995.

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