Multiplexed voltage and current signaling

Details Multiplexed voltage and current signaling Multiplexed voltage and current signaling

2011-03-22

2011-03-22

Chang, Joseph (Department: 2817)

Modulators

Frequency modulator

Including measuring or indicating

C324S234000

Reexamination Certificate

active

07911286

ABSTRACT:
Circuitry and methods are provided. Voltage and current of an electrical load are scaled, biased and alternately sampled to derive a multiplexed signal. The multiplexed signal is used to control an oscillator so as to provide a multiplexed frequency-modulated signal. The multiplexed frequency-modulated signal is processed to improve linearity and to time-correlate signal content with discrete samplings of the load voltage and current. Control of a printer or other device is performed using the processed signal.

REFERENCES:
patent: 6597159 (2003-07-01), Yang
patent: 2009/0243564 (2009-10-01), Kajita
patent: 2009/0309510 (2009-12-01), Liu

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