Hewlett-packard Development Company, L.p.

Xuejue Huang

Norman H Chang

Osamu Samuel Nakagawa

Shen Lin

Weize Xie

A method reduces noise resulting from a current surge in a circuit. A plurality of loading elements, parallel with the circuit being protected, are connected sequentially and disconnected. The connection of the loading elements results in a ramping up of current through the circuit without a sudden surge. In a preferred embodiment, an apparatus for slowing a current change in a circuit is described. The apparatus comprises a plurality of loading elements placed in parallel with the circuit, each of the elements providing a path for current flow, and a control circuit for selectively opening or closing at least one of said paths to prevent or enable current flow through the at least one of the paths.

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Richmond, CA, United States of America

Xuejue Huang