ALEXANDRIA, Va., March 26 -- United States Patent no. 12,262,159, issued on March 25.

"Presetting equalizer for burst mode optical receiver" was invented by Doutje Van Veen (New Providence, N.J.) and Vincent Houtsma (New Providence, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A technique for presetting the tap values of the equalizer component of an OLT burst mode receiver is used to eliminate (or at least shorten) the conventional equalizer training period, which is known to delay the ability to transmit useful data from the ONU to the OLT. The disclosed technique is based on a collection of three known frequency responses: (1) the ONU transmitter response FT(f); (2) the OLT receiver response FR(f);...