Calibration method and system that generates an error signal...

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Calibration

Reexamination Certificate

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Reexamination Certificate

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11224642

ABSTRACT:
A system and method of calibration develops a function from which is generated a monotonic time response; a gating period is defined from the monotonic time response and any error in the frequency of a reference signal is determined during the gating period; from that error an error signal is generated for adjusting the time constant of a circuit to be calibrated.

REFERENCES:
patent: 5625288 (1997-04-01), Snyder et al.
patent: 6801045 (2004-10-01), Hamm et al.
patent: 6946848 (2005-09-01), Tauber et al.
patent: 7030625 (2006-04-01), Boudiaf et al.
patent: 7107170 (2006-09-01), Jamneala et al.
patent: 2003/0020488 (2003-01-01), Grebner et al.
patent: 2004/0178997 (2004-09-01), Gillespie et al

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