Patent ID: 6487456
Filing Date: 2002-11-26
Classification: H01C,H03H

Abstract:
A portable device having a variable output electrical characteristic, the device comprising:an integrated input device configured to accept an input from a user corresponding to a desired value of the output electrical characteristic; first and second output terminals; a plurality of switching circuits, each switching circuit having two states, wherein one of said states produces a first electrical effect between said first and second output terminals, and wherein the other of said states produces a second electrical effect between said first and second output terminals; and a processor configured to generate a plurality of control signals in response to said input from said integrated input device, wherein each of said plurality of control signals is applied to a different one of said plurality of switching circuits to individually place said one of said plurality of switching circuits into one of said two states to set said variable output characteristic between said first and second terminals at the desired value.