Patent ID: 7919045

Claim:
An auto-calibration circuit or label adapted to be used with a first instrument and a second instrument, the first instrument being different from the second instrument, the auto-calibration circuit or label comprising: a first plurality of electrical connections operable by the first instrument to auto-calibrate and operable by the second instrument to auto-calibrate, the first plurality of electrical connections including a first plurality of contact areas; and at least one electrical connection operable solely by the second instrument to auto-calibrate, the at least one electrical connection including at least one contact area, the at least one electrical connection being distinct from the first plurality of electrical connections, wherein the first plurality of electrical connections is operable to be routed directly from each of the first plurality of contact areas to a respective first common connection or a second common connection, wherein the at least one electrical connection is operable to be routed directly from the at least one contact area to the first common connection, the second common connection or a no-contact area.