Disclosed herein are systems and methods for a continuous analyte sensor, such as a continuous glucose sensor. One such system utilizes first and second working electrodes to measure additional analyte or non-analyte related signal. Such measurements may provide a background and/or sensitivity measurement(s)...http://www.google.com.au/patents/US7467003?utm_source=gb-gplus-sharePatent US7467003 - Dual electrode system for a continuous analyte sensor
