Method of correcting signals for encoder and apparatus for same

Details Method of correcting signals for encoder and apparatus for same Method of correcting signals for encoder and apparatus for same

1996-09-25

1998-03-03

Gaffin, Jeffrey A.

Coded data generation or conversion

Converter calibration or testing

341116, H03N 106

Patent

active

057240353

ABSTRACT:
The encoder provided by the present invention computes an obtains a difference value between a maximum value and a minimum value of a simulated sinusoidal signal from the signal detecting section, computes an amplitude of said simulated sinusoidal signal in the amplitude computing section according to the difference value, decides an optimal reference voltage for an A/D converter or an optimal amplification factor and an optimal reference voltage for a signal amplifier for simulated sinusoidal signals, and sets a reference voltage for the A/D converter or an amplification factor and a reference voltage for the signal amplifier according to the optimal values.

REFERENCES:
patent: 4472669 (1984-09-01), Denham et al.
patent: 5052021 (1991-09-01), Goto et al.
patent: 5179379 (1993-01-01), Allen et al.
patent: 5182558 (1993-01-01), Mayo
patent: 5210712 (1993-05-01), Saito
patent: 5365190 (1994-11-01), Yu et al.

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