Method and apparatus for preventing corrosion of contact

Details Method and apparatus for preventing corrosion of contact Method and apparatus for preventing corrosion of contact

2005-03-01

2008-08-12

Bell, Bruce F (Department: 1795)

Electrolysis: processes, compositions used therein, and methods

Electrolytic material treatment

Metal or metal alloy

C205S726000, C205S727000, C204S196020, C204S196050, C204S196060, C204S196110, C204S196260

Reexamination Certificate

active

07410563

ABSTRACT:
A method for preventing corrosion of a contact, includes comparing a potential of a signal line connected to the contact with a predetermined potential corresponding to the corrosion of the contact; flowing a corrosion-prevention current into the contact when a result of the comparing shows that the contact is corroded; inputting into the signal line a signal used for judging a logical value of a connection state of the contact; and in the magnitude relation, setting the predetermined potential on another side of a threshold level used in the judging of the logical value of the connection state of the contact.

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