Apparatus and method for indicating a difference between first and second voltage signals

An apparatus for indicating a difference between a first voltage input signal and a second voltage input signal;

• the apparatus comprising:
• (a) an input unit;
• said input unit receiving said first voltage input signal at a first input locus and receiving said second voltage input signal at a second input locus;
• said input unit quanitifying said difference;
• (b) an output unit coupled with said input unit;
• said output unit and said input unit cooperating to generate an output signal;
• said output signal effecting said indicating;
• (c) a signal treating unit coupled with said output unit, coupled with said first input locus and coupled with said second input locus;
• said signal treating unit employing at least one algorithmic relation with at least one of said first voltage input signal and said second voltage input signal to generate at least one bias current for effecting a substantially balanced response by said output section in said generating said output signal as said difference varies;
• said at least one bias current having nonnegative values as said difference varies;
• and
• d) a symmetrical signal treating unit connected with said signal treating and said output unit to provide a first bias current and a second bias current for said output unit, said first bias current being symmetrically balanced with said second bias current.

A method for indicating a difference between a first voltage input signal and a second voltage input signal;

• the method including the steps of:
• (a) in no particular order:
• (1) providing an input unit for receiving said first voltage input signal at a first input locus and receiving said second voltage input signal at a second input locus;
• said input unit being configured for quanitifying said difference;
• (2) providing an output unit coupled with said input unit;
• said output unit being configured for cooperating with said input unit to generate an output signal;
• said output signal effecting said indicating;
• and
• (3) providing a signal treating unit coupled with said output unit, coupled with said first input locus and coupled with said second input locus;
• (b) operating said signal treating unit employing at least one algorithmic relation with said first voltage input signal and with said second voltage input signal to generate at least one bias current for effecting a substantially balanced response by said output section in said generating said output signal as said difference varies;
• said at least one bias current having nonnegative values as said difference ranges in value;
• and
• (c) operating a symmetrical signal treating unit connected with said signal treating unit and said output unit to provide a first bias current and a second bias current for said output unit, said first bias current being symmetrically balanced with said second bias current.