Force measurement system correcting for inertial interference

Details Force measurement system correcting for inertial interference Force measurement system correcting for inertial interference

2006-09-05

2006-09-05

Lao, Lun-yi (Department: 2673)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

C345S173000, C345S156000, C073S865700, C702S041000, C702S098000

Reexamination Certificate

active

07102621

ABSTRACT:
A method and apparatus is disclosed, particularly, though by no means exclusively, useful in touch-screen computer CRT display systems and the like, and more generally in other force and/or torque measurement systems, as in weighing and the like, in which (1) lineal and/or rotational acceleration of the system is sensed in response to inertial interference effects such as tilt or movement that introduce errors into the force and/or torque measurements, and/or (2) inertial error correction from the force data itself is obtained, such as derivative order corrections; and such data is used to correct the force and/or torque measurements. A novel calibration technique for deriving appropriately descriptive coefficients to the particular system for the correcting data, is also disclosed.

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