Use of a known common-mode voltage for input overvoltage...

Details Use of a known common-mode voltage for input overvoltage... Use of a known common-mode voltage for input overvoltage...

2004-11-12

2008-11-25

Jackson, Stephen W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific voltage responsive fault sensor

Reexamination Certificate

active

07457090

ABSTRACT:
A method and apparatus are provided for protecting elements of a receiver from overvoltages in a pseudo-differential signal having a true signal and a reference voltage. The method and apparatus limit the true signal to a protection voltage, which is correlated to the reference voltage, to produce a protected true signal. The protected true signal and the reference voltage are applied to inputs of the receiver.

REFERENCES:
patent: 5159260 (1992-10-01), Yoh et al.
patent: 7233201 (2007-06-01), King et al.
patent: 2005/0195543 (2005-09-01), Lundberg
patent: 06237124 (1994-08-01), None

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