Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific voltage responsive fault sensor
Reexamination Certificate
2001-12-26
2004-05-04
Vu, Bao Q. (Department: 2838)
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific voltage responsive fault sensor
C361S091100, C361S118000
Reexamination Certificate
active
06731484
ABSTRACT:
CROSS REFERENCE TO RELATED APPLICATION
There are no related applications.
TECHNICAL FIELD
This invention generally pertains to an integrated high voltage transient surge suppression with an automatic transfer switch for switching to an alternative source of electricity such as a generator.
BACKGROUND OF THE INVENTION
The use of electronic, electrical and communications equipment of all types continues to accelerate. The electronic circuitry, analog circuits, solid state and other component devices which are more predominantly used today are much more vulnerable and sensitive to damage from inconsistent or unpredictable variations in the power supply voltage. The need for transient voltage surge suppression has therefore likewise been increasing.
The increased need for alternative sources of electricity is growing and it is preferable to switch to the alternative source of electrical power automatically in the event the primary source of electrical power is interrupted. The primary source of electrical power will typically be an electrical utility.
It is an object of this invention to provide an integrated transient voltage surge suppression system and automatic transfer switch to provide the combined features of surge suppression and automatic transfer between two sources of electrical power.
REFERENCES:
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patent: 4760278 (1988-07-01), Thomson
patent: 5416416 (1995-05-01), Bisher
patent: 5646458 (1997-07-01), Bowyer et al.
patent: 5784240 (1998-07-01), Przywozny
patent: 5811960 (1998-09-01), Van Sickle et al.
patent: 5914467 (1999-06-01), Jonas et al.
patent: 6304006 (2001-10-01), Jungreis
McDonald, Jr. James Neil
Pebles Marlis Jean
Northern Technologies, Inc.
Vu Bao Q.
Wells St. John P.S.
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