System and method for optically communicating information...

Details System and method for optically communicating information... System and method for optically communicating information...

2004-06-25

2008-08-12

Hannett, James M (Department: 2622)

Television

Camera, system and detail

Remote control

C348S211800, C348S211200, C348S211990, C348S207100

Reexamination Certificate

active

07411609

ABSTRACT:
A system and a method for optically communicating information between a display and a camera that is observing the display. In general, the transmission of information is unidirectional in a direction from the display to the camera. The display transmits information to the camera that is observing the display by displaying a series of symbols and images (such as an alphabet) on the display. Information (such as a network address of the display or camera) may be transmitted to the camera without any prior shared knowledge between the two. The present invention also is capable of determining a spatial location (or pose) of the display (relative to a camera observing the display) by observing a pattern presented on the display and using well-known correlation techniques.

REFERENCES:
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patent: 5835388 (1998-11-01), Helm
patent: 5850304 (1998-12-01), Elmers et al.
patent: 5852615 (1998-12-01), Holo et al.
patent: 6281820 (2001-08-01), Fields
patent: 6677990 (2004-01-01), Kawahara
patent: 2005/0091695 (2005-04-01), Paz et al.

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