Method and apparatus for calibrating an interactive touch...

Details Method and apparatus for calibrating an interactive touch... Method and apparatus for calibrating an interactive touch...

2008-05-13

2008-05-13

Eisen, Alexander (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

C178S018010

Reexamination Certificate

active

10885236

ABSTRACT:
A method of calibrating an interactive touch system includes moving a pointer along at least one path on a touch surface over a calibration image presented on the touch surface. Pointer coordinates are generated generally continuously during the tracing representing pointer contact locations on the touch surface. The coordinate system of the touch surface is mapped to the coordinate system of the calibration image using the pointer coordinates and the calibration image.

REFERENCES:
patent: 3906190 (1975-09-01), Light
patent: 6747636 (2004-06-01), Martin
patent: WO 96/24923 (1996-08-01), None
patent: WO 02/03316 (2002-01-01), None

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