Method and electronic circuit for regenerating an electrical...

Details Method and electronic circuit for regenerating an electrical... Method and electronic circuit for regenerating an electrical...

2006-09-19

2006-09-19

Deb, Anjan (Department: 2858)

Electricity: measuring and testing

Electromechanical switching device

Relay

C307S137000

Reexamination Certificate

active

07109721

ABSTRACT:
A method and an electronic circuit for regenerating an electrical contact are provided in order to remedy the problem of electrical contacts becoming highly resistive over time. Electrical contacts become highly resistive over time, particularly when the contacts are thermally highly stressed and/or exposed to corrosive gases. To remedy this undesired effect and to reestablish the low resistance of the contacts, an electrical regenerating signal is applied to these contacts.

REFERENCES:
patent: 3417323 (1968-12-01), Williamson
patent: 3794850 (1974-02-01), Hirose
patent: 3996514 (1976-12-01), Brown et al.
patent: 4173735 (1979-11-01), Merchant
patent: 4178543 (1979-12-01), Wrinn et al.
patent: 4491797 (1985-01-01), Velsher
patent: 5091698 (1992-02-01), Grabs
patent: 5258654 (1993-11-01), Roberts et al.
patent: 2004/0130331 (2004-07-01), Frederick et al.

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