System and method for automatically calibrating control devices

Details System and method for automatically calibrating control devices System and method for automatically calibrating control devices

1997-12-04

2000-07-11

Grant, William

Boots, shoes, and leggings

3645281, G05B 1302

Patent

active

06086236&

ABSTRACT:
A control device provides software applications with a set of calibrated axis values that are indicative of a minimum, a center, and a maximum value on an axis. These values are continuously tracked and corrected while the control device is in use. As the user manipulates the control device, input axis values are monitored for calibration drift. When such calibration drift is detected, the minimum and the maximum axis values are automatically adjusted, while the center axis value is adjusted only when such center axis value remains substantially constant for a given time. If the operating system of the computer has default axis values for an uncalibrated axis, the adjusted axis values are scaled accordingly so as not to interfere with such default axis values.

REFERENCES:
patent: 4710758 (1987-12-01), Mussler et al.
patent: 4903012 (1990-02-01), Ohuchi
patent: 5216622 (1993-06-01), Kibblewhite et al.
patent: 5325315 (1994-06-01), Engel et al.
patent: 5551701 (1996-09-01), Bouton et al.
patent: 5555060 (1996-09-01), O'Brien et al.

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