Ground difference compensating system

Details Ground difference compensating system Ground difference compensating system

2005-10-25

2005-10-25

Tra, Quan (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C327S545000

Reexamination Certificate

active

06958642

ABSTRACT:
A method of ground level compensation includes measuring a voltage of at least one signal with respect to a primary ground potential and measuring, with respect to the primary ground potential, a voltage level associated with a secondary ground potential. A difference between the voltage level associated with the secondary ground potential and an expected value is calculated. The measured voltage of the at least one signal is adjusted by an amount corresponding to the calculated difference.

REFERENCES:
patent: 4721957 (1988-01-01), Buttle
patent: 5513218 (1996-04-01), Moller
patent: 5841308 (1998-11-01), Nagata
patent: 5869909 (1999-02-01), Silverberg et al.

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