07042440 is referenced by 513 patents and cites 13 patents.

Affordable methods and apparatus are disclosed for inputting position, attitude (orientation) or other object characteristic data to computers for the purpose of Computer Aided Design, Painting, Medicine, Teaching, Gaming, Toys, Simulations, Aids to the disabled, and internet or other experiences. Preferred embodiments of the invention utilize electro-optical sensors, and particularly TV Cameras, providing optically inputted data from specialized datum's on objects and/or natural features of objects. Objects can be both static and in motion, from which individual datum positions and movements can be derived, also with respect to other objects both fixed and moving. Real-time photogrammetry is preferably used to determine relationships of portions of one or more datums with respect to a plurality of cameras or a single camera processed by a conventional PC.

Man machine interfaces and applications
Application Number
Publication Number
7042440 (B2)
Application Date
July 21, 2003
Publication Date
May 9, 2006
Peter Smith
Ann Arbor, 48108
Timothy R Pryor
Tecumseh, Ontario, N8N 3S8
Stites & Harbison PLLC
Douglas E Jackson
G09G 5/08
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