Electrical resistors – Mechanically variable – Resistance value varied by removing or adding material
Patent
1991-01-02
1993-02-02
Lateef, Marvin M.
Electrical resistors
Mechanically variable
Resistance value varied by removing or adding material
338260, 338277, 338 20, 338 21, 296101, H01C 1010
Patent
active
051841088
ABSTRACT:
Conductive material is applied to a resistor to provide controlled shunting of current from localized regions of the resistor that would otherwise destructively fail during surge. Various embodiments are disclosed having varying resistance, dimension and placement. The continuity of the original resistor material is not altered, nor is the current diverted in such as way as to create a new localized regions that might destructively fail. The resistors so designed have application in lightning surge environments, power supply and power input circuitry and other applications where potential short duration surges might otherwise cause destructive failure of standard resistors.
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Bloom Terry
Ernsberger Craig
CTS Corporation
Lateef Marvin M.
Watkins Albert W.
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