Modulation method for signal crosstalk mitigation in...

Details Modulation method for signal crosstalk mitigation in... Modulation method for signal crosstalk mitigation in...

2005-09-06

2005-09-06

Young, Brian (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Increasing converter resolution

C073S504160

Reexamination Certificate

active

06940433

ABSTRACT:
A method of distinguishing an analog drive signal from a pickoff signal for attenuating the effect of electrical cross-coupling between the analog drive signal and the pickoff signal. The method may include receiving a periodic digital signal at a first frequency in the form of a stream of digital data values, randomly inverting at least one of the digital data values and converting the stream of digital data values to a stream of analog data values to form an analog drive signal. The method may also include driving a sensor, physically coupled to a resonant member configured to oscillate at a second frequency, using the analog drive signal and sensing changes in the movement of the resonant member detected by the sensor for producing a pickoff signal.

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patent: 2002/0020219 (2002-02-01), DeRoo et al.
patent: WO 01/22094 (2001-03-01), None

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