ALEXANDRIA, Va., June 2 -- United States Patent no. 12,647,705, issued on June 2, was assigned to Ciena Corp. (Hanover, Md.).
"PON out-of-band signaling" was invented by Edward Wayne Boyd (Gilbert, Ariz.), Mark Edward Laubach (Redwood City, Calif.) and James Harley (Richmond, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "An Optical Line Terminal (OLT) system configured to operate in a Passive Optical Network (PON) includes a transmitter configured to communicate with a plurality of Optical Network Units (ONUs) on a downstream channel that is shared by all of the plurality of ONUs; and one or more receivers configured to communicate with the plurality of ONUs on an upstream channel and on an out-of-ba...