Data processing: measuring – calibrating – or testing – Measurement system – Orientation or position
Reexamination Certificate
2008-04-23
2010-12-28
Kundu, Sujoy K (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system
Orientation or position
C702S145000, C702S150000, C702S153000, C073S001790, C073S054330, C073S854000, C356S482000, C356S486000, C356S492000, C356S493000, C356S614000
Reexamination Certificate
active
07860681
ABSTRACT:
Combination is disclosed for deriving and displaying the full complement of nine dynamic parameters associated with a mechanical motion transmission system; the parameters comprise: (1) angular displacement, (2) angular velocity, (3) angular acceleration, (4) moment of force (i.e. torque), (5) kinetic energy, (6) work, (7) power, (8) momentum and (9) impulse. Quasi-instantaneous, absolute measurements are derived from elapsed-time measurements between successive sensing of fixed, equal, position events such as electric pulses generated by an incremental shaft encoder. The parameters are displayed on the X and Y axes of a Cartesian or other suitable graph where the X-axis (i.e. the independent axis) indicates the angular displacement of the encoder expressed as a succession of fixed, equal position events in the units of radians. The Y-axis (i.e. the dependent axis) indicates the absolute value of the parameters.
REFERENCES:
patent: 4320662 (1982-03-01), Schaub
patent: 2004/0047036 (2004-03-01), Baun et al.
patent: 2008/0134783 (2008-06-01), Jeng et al.
Schaub Stanley R.
Van Vliet Pieter
Bright Patrick
Kundu Sujoy K
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