Patent 8929964 was granted and assigned to Cercacor Laboratories, Inc. on January, 2015 by the United States Patent and Trademark Office.
A physiological sensor has light sources arranged in one or more rows and one or more columns. Each light source is activated by addressing at least one row and at least one column. The light sources are capable of transmitting light of multiple wavelengths and a detector is responsive to the transmitted light after attenuation by body tissue.