Compact image steering and focusing device

Details Compact image steering and focusing device Compact image steering and focusing device

1996-05-15

1998-02-10

Phan, James

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359225, 359877, 382291, G02B 2608

Patent

active

057175128

ABSTRACT:
A compact image steering and focusing device has a generally rectangular frame containing a pan/tilt mirror and at least one lens. There is a tilt plane bisecting the frame. A mirror drive motor is attached to the frame on one side of the tilt plane and a lens motor is attached to the frame on the other side of the tilt plane. The frame is rotatably attached to a stand and connected to a frame drive motor mounted on the stand. 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.

REFERENCES:
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patent: 3533684 (1970-10-01), Stark et al.
patent: 3598107 (1971-08-01), Ishikawa et al.
patent: 3600098 (1971-08-01), Mohrman
patent: 4620318 (1986-10-01), Hill
patent: 4641349 (1987-02-01), Flom et al.
patent: 5016282 (1991-05-01), Tomono et al.
patent: 5276546 (1994-01-01), Palm et al.
patent: 5291560 (1994-03-01), Daugman
patent: 5359674 (1994-10-01), van der Wal
patent: 5430809 (1995-07-01), Tomitaka
Provisional application Serial No. 60/007,906, filed Dec. 4, 1995.

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